Partial Electronics Integration in Vehicle Pads for Wireless Power Transfer
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electrically chargeable vehicles incorporating inductive power transfer systems face challenges due to limited space for installing charging and control circuitry, necessitating partial electronics integration in vehicle pads for wireless power transfer applications.
Innovation Solution
The implementation of a system where a first enclosure generates an alternating current under an alternating magnetic field, modifies it to produce a direct current, and outputs this direct current to a controller circuit located in a disparately situated second enclosure, facilitating efficient power transfer and thermal load distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If all charging and control circuitry is integrated in a single location within the vehicle, then the system structure is simplified, but the available space becomes insufficient and thermal management becomes difficult
Solution Approach 1:
The patent divides the electronics into two separate locations: (1) charging and control circuitry installed in the vehicle's battery compartment, and (2) a receiver system installed in the ground-based charging station. This segmentation allows each component to be optimally positioned without space constraints, while maintaining functional integration through wireless power transfer.
Solution Approach 2:
The patent introduces a wireless power transfer system as an intermediary between the vehicle's battery system and the ground-based charging system. This intermediary enables power transmission without physical connection, allowing spatial separation of components while maintaining system functionality.
2Device complexity
If all charging and control circuitry is integrated in a single location within the vehicle, then the system structure is simplified, but thermal load management becomes difficult
Solution Approach 1:
The patent segments the electronics to separate heat-generating components from the battery compartment. The receiver system is installed in the ground-based charging station, away from the vehicle's thermal environment, while the transmitter remains in the battery compartment. This spatial segmentation enables independent thermal management of each subsystem.
Solution Approach 2:
The patent extracts the receiver system from the vehicle and relocates it to the ground-based charging station. This extraction removes the thermal burden of the receiver electronics from the vehicle's battery compartment, allowing the vehicle's thermal management system to focus solely on battery temperature control.
3Extent of automation
If electronics are completely integrated in the vehicle pad, then wireless power transfer is achieved, but the system reliability decreases due to thermal and space constraints
Solution Approach 1:
The patent segments the wireless power transfer system into separate vehicle-mounted and ground-based components. This segmentation allows each component to operate in its optimal environmental conditions, improving overall system reliability. The vehicle's transmitter operates in a controlled battery compartment environment, while the ground-based receiver operates in a dedicated charging station with appropriate cooling and space.
4Extent of automation
If electronics are completely integrated in the vehicle pad, then wireless power transfer is achieved, but the interconnect complexity increases
Solution Approach 1:
The patent uses wireless electromagnetic field coupling as an intermediary to transfer power between the vehicle's transmitter and the ground-based receiver. This wireless intermediary eliminates the need for complex physical interconnects, reducing mechanical complexity while maintaining power transfer functionality.
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
This solution enables efficient wireless charging of electric vehicles by allowing for the separation of thermal loads and reducing the complexity of interconnects, while improving the reliability and flexibility of the charging system.
Implementation Method 1
a first enclosure including at least a receive coupler configured to generate an alternating current under the influence of an alternating magnetic field
Data Source
AI summary
Systems, methods, and apparatus for partial electronics integration in vehicle pads for wireless power transfer applications are provided. In one aspect, an apparatus for wirelessly receiving charging power is provided. The apparatus comprises a first enclosure including at least a receive coupler configured to generate an alternating current under the influence of an alternating magnetic field in a first enclosure. The first enclosure further includes a rectifier circuit configured to modify the alternating current to produce a direct current for output from the first enclosure to a controller circuit in a disparately located second enclosure. The apparatus further comprises at least one direct current inductor configured to receive the direct current from the rectifier circuit. In some implementations, the apparatus further comprises the controller circuit in the second enclosure. The controller circuit is configured to selectively provide the direct current to a battery.