Magnetic Charging Device for Electric Motorized Carts
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Solution Overview
Problem
Standard charging methods for electric motorized carts often result in damage to cords and plugs due to improper removal from power outlets, leading to repair downtime and safety hazards.
Innovation Solution
A magnetic charging device with a polarized plug unit and microprocessor controller that ensures a safe, easily releasable connection by using magnetic attraction and feedback loops to control electricity flow, preventing reverse polarity and minimizing force required for plug removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a standard frictional plug connection is used in a power outlet, then the plug fits snugly and provides stable electrical connection, but the cord and plug can be damaged when pulled for removal
Solution Approach 1:
The patent replaces the traditional mechanical friction-based plug connection with a magnetic connection system. The magnetized plug engages with the magnetic receptacle through magnetic attraction force, providing stable electrical connection during charging. For removal, a release mechanism overrides the magnetic force, allowing clean disconnection without cord damage. This substitutes mechanical friction engagement with magnetic field-based engagement and controlled release.
2Ease of operation
If a magnetic connection is used between plug and receptacle, then the plug can be easily removed with minimal force, but additional magnetic components are required
Solution Approach 1:
The patent incorporates magnetized materials in the plug and magnetic materials in the receptacle to create magnetic attraction for connection. The release mechanism uses a simple actuator that overrides the magnetic force, enabling easy plug removal. This replaces complex mechanical interlocking with simpler magnetic attraction and controlled release.
3Reliability
If a microprocessor controller with feedback loop detection is implemented, then reverse polarity connection is prevented and electrical safety is improved, but device complexity increases
Solution Approach 1:
The patent implements feedback loop detection that monitors the electrical connection status between plug and receptacle. The microprocessor controller detects whether the connection is proper before enabling power flow, preventing reverse polarity connections. This feedback mechanism ensures electrical safety by verifying correct polarity engagement before allowing charging to proceed.
Solution Approach 2:
The system performs preliminary detection of connection status and polarity verification before enabling electrical power flow. The microprocessor controller checks the feedback loop signals to confirm proper engagement, and only then activates the charging circuit. This preliminary verification prevents unsafe operating 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
The magnetic charging device reduces damage to cords and plugs during removal, ensures safe electrical connections, and prevents reverse polarity, thereby minimizing maintenance costs and safety risks.
Implementation Method 1
The polarized plug is magnetized and the plug receptacle is magnetic so that the polarized plug and the plug receptacle are magnetically attracted to one another
Data Source
AI summary
A magnetic charging device for charging the battery batteries of an electric motorized cart has a plug unit a a charger unit. When the battery or batteries are charging, the plug unit and charger unit are releasably engaged with each other by a magnetic connection. A microprocessor controller provides a safety feature that ensures the plug unit is fully engaged with the charger unit before electricity is allowed to flow from the power source to the batteries.