Inductive Charging System Automatic Power Coupling
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Solution Overview
Problem
Existing inductive charging systems suffer from vampiric power loss, where energy is consumed by the charging unit even when the battery is fully charged, leading to unnecessary power generation and associated environmental and financial waste.
Innovation Solution
An inductive battery charging system that automatically couples and decouples the inductive power apparatus and alternating current power source based on the battery's charge level, using a connection module, monitoring module, and separation module with an opto-coupled relay to prevent continuous power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the inductive charging unit remains coupled to the alternating current power source to ensure continuous charging capability, then the charging readiness is improved, but vampiric power loss increases
Solution Approach 1:
The system performs preliminary coupling of the inductive charging unit to the AC power source to ensure charging readiness is available before needed. The coupling is established in advance, and the system then monitors battery status to determine when to decouple, preventing energy waste while maintaining operational readiness when required.
Solution Approach 2:
The coupling state between the inductive charging unit and AC power source is made dynamic rather than static. The system automatically transitions between coupled and decoupled states based on real-time monitoring of battery charge levels and charging status, optimizing the balance between charging readiness and energy conservation.
2Loss of energy
If the inductive charging unit is decoupled from the alternating current power source to prevent vampiric power loss, then energy waste is reduced, but charging capability is lost
Solution Approach 1:
The system continuously monitors battery status, charge level, and charging current to provide feedback about the charging state. Based on this feedback, the control circuit intelligently determines when to maintain coupling for charging capability and when to decouple to prevent energy waste, ensuring reliable charging when needed while minimizing vampiric loss.
Solution Approach 2:
The charging system automatically manages its own coupling and decoupling operations without requiring external control. The monitoring circuit and control circuit work autonomously to detect charging completion and execute decoupling, making the system self-regulating and eliminating the need for manual intervention while maintaining charging reliability.
3Device complexity
If manual control is used to couple and decouple the charging unit, then system complexity is reduced, but user convenience decreases
Solution Approach 1:
The system automatically performs coupling and decoupling operations based on monitored charging conditions without requiring user intervention. The control circuit executes decoupling when charging is complete or unnecessary, making the system operate itself and eliminating manual control requirements while maintaining simplicity.
Solution Approach 2:
The system monitors changes in charging parameters such as current, voltage, and battery status to automatically trigger coupling or decoupling actions. When parameters indicate charging completion or insufficient battery power, the system automatically adjusts its coupling state, providing convenient automatic operation without complex user interfaces.
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 system effectively limits vampiric power consumption by disconnecting the power source when the battery reaches a desired charge level, reducing energy waste and environmental impact while optimizing battery charging efficiency.
Implementation Method 1
a transformer of the inductive power apparatus to inductively generate an electric current
Implementation Method 2
The separation module may include an opto-coupled relay
Data Source
AI summary
Several methods and systems to perform automatic coupling of an alternating current power source and an inductive power apparatus to charge a target device battery are disclosed. In an embodiment, an inductive battery charging system includes a connection module to determine when a target device is coupled to a charging apparatus comprised of an inductive power apparatus. The system further includes a monitoring module to determine when a target device battery is below a charging threshold while using power from a supplemental power source. In addition, the system includes an activation module to automatically couple the inductive power apparatus and an alternating current power source when a power level of the target device battery is below the charging threshold.