Inductive Charging Lifting Mechanism Deicing
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Solution Overview
Problem
Inductive charging devices for motor vehicles face inefficiencies and operational limitations due to freezing of lifting mechanisms in cold and humid weather conditions, which prevents the primary coil from moving into the optimal charging position, thereby restricting or preventing charging.
Innovation Solution
Incorporating a heating conductor, such as a heating wire, into the lifting mechanism that can be controlled by a device to prevent icing, with sensors and communication systems to monitor and adjust temperature and humidity, ensuring the lifting mechanism remains functional even in winter conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a lifting mechanism is used to move the primary coil between stored and charging positions, then the charging device can achieve optimal charging position alignment, but the lifting mechanism freezes in cold and humid weather, preventing operation
Solution Approach 1:
The heating conductor is activated before the charging process begins to prevent ice formation on the lifting mechanism. The control device detects approaching vehicles or impending charging operations and proactively heats the lifting mechanism components, ensuring they remain operational and ready for use even in freezing conditions.
Solution Approach 2:
The temperature of the lifting mechanism components is actively changed by applying heat through the heating conductor. By controlling the temperature parameter of the lifting mechanism parts, the system prevents phase change of moisture to ice, maintaining operational reliability in cold weather conditions.
2Reliability
If heating conductors are added to prevent icing of the lifting mechanism, then the lifting mechanism remains operational in cold weather, but the device complexity increases
Solution Approach 1:
The heating conductor system is automatically controlled by a control device that monitors weather conditions and charging operation status. The system self-regulates by activating heating only when needed (when temperature is below freezing and charging is imminent), eliminating the need for manual intervention and reducing operational complexity.
Solution Approach 2:
The control device receives feedback about weather conditions (temperature and humidity) and charging operation status to intelligently control the heating conductor. This feedback mechanism ensures heating is applied only when necessary, optimizing energy usage and simplifying system operation by automatically adapting to environmental conditions.
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
Ensures reliable inductive charging by maintaining the lifting mechanism free of ice, allowing for efficient operation even in adverse weather, by proactively deicing the mechanism before charging and adjusting for optimal performance.
Implementation Method 1
the charging device is provided with at least one heating conductor, in particular a heating wire, which is arranged on the lifting mechanism and which can be controlled by means of a control device of the charging device
Implementation Method 2
a primary coil, which is designed to induce a voltage in a secondary coil of the motor vehicle for charging the electrical energy store
Data Source
AI summary
A charging device for inductively charging an electrical energy store of a motor vehicle that is provided with a primary coil which is designed to induce a voltage in a secondary coil of the motor vehicle in order to charge the electrical energy store, and with a lifting mechanism, which is designed to move the primary coil between a stored position and a charging position. The charging device is provided with at least one heating conductor, in particular a heating wire, which is arranged on the lifting mechanism and which can be controlled by a control device of the charging device. The invention further relates to a method for operating a charging device.