EV Battery Connection System with Position Verification
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Solution Overview
Problem
Existing systems for connecting batteries in electric vehicles lack secure and automated mechanisms for ensuring proper positioning and locking before establishing electrical connections, leading to potential risks of short-circuiting and inefficient energy exchange.
Innovation Solution
A system comprising logic processing units, communication modules, and locking mechanisms in both batteries and vehicles, which use energy from the batteries to verify and authorize connections only when batteries are correctly positioned and locked, employing optical or radio wave communication for secure exchange and mechanical or electrical actuators for safe connection to the electric motor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If batteries are made removable for quick exchange, then battery replacement speed is improved, but electrical connection security deteriorates
Solution Approach 1:
The system performs preliminary detection of locking state and compartment closing state before establishing electrical connection. The control unit receives detection signals confirming proper battery positioning and locking, then authorizes the connection means to establish electrical contact. This preliminary verification ensures connection security while maintaining quick exchange capability.
Solution Approach 2:
The system implements feedback mechanisms where detection means continuously monitor the locking state and compartment closing state, sending signals to the control unit. The control unit processes this feedback and only enables electrical connection when all safety conditions are met, creating a closed-loop control system that balances speed and security.
2Productivity
If electrical connection is established immediately upon battery insertion, then energy exchange efficiency is improved, but short-circuit risk increases
Solution Approach 1:
Before establishing electrical connection for energy exchange, the system performs preliminary safety checks by detecting the locking state and compartment closing state. The control unit only authorizes connection establishment when detection means confirm proper battery positioning and secure compartment closure, eliminating short-circuit risks before energy exchange begins.
Solution Approach 2:
The control unit acts as an intermediary between the battery insertion action and the electrical connection establishment. It receives detection signals, processes safety conditions, and only then permits the connection means to establish electrical contact, serving as a safety mediator that prevents direct unauthorized connection.
3Reliability
If detection means are added to verify battery positioning, then connection security is improved, but system complexity increases
Solution Approach 1:
The detection means are integrated with the existing locking mechanism and compartment structure. The detection signals are merged into the existing control unit, which already manages battery exchange operations. This merging approach adds detection capability without creating separate independent systems, thus limiting the increase in overall system complexity.
Solution Approach 2:
The control unit is designed with multi-functionality, serving both as the original battery exchange controller and as the processor for detection signals. By making the control unit universal, the system avoids adding dedicated separate processing hardware, thereby minimizing complexity increase while achieving enhanced connection security through integrated detection and control.
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a system (20) for connecting a set of batteries (4) intended to supply at least one electric motor for powering a motor vehicle and intended to be accommodated inside a compartment (2) provided on the vehicle. Each battery (5) includes a logic processing unit (24), a communication module (25) and means (27) for connecting to the motor, and is characterized in that the vehicle includes a logic processing unit (30) connected to a stationary auxiliary battery, a communication module (31) capable of communicating with the communication module (25) of each battery (5) and means for locking and blocking the batteries (5) in position.