Battery Replacement Apparatus Alignment via Optical Sensing
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Solution Overview
Problem
Existing battery replacement systems face challenges in accurately aligning the battery replacement trolley with electric vehicles, leading to unstable operations and inefficiencies in battery pack removal and installation.
Innovation Solution
A battery replacement system with a walking channel and a battery replacement apparatus equipped with alignment and exchange sensors, deceleration positioning points, and waiting positions, allowing for precise positioning and efficient battery pack exchange, utilizing multiple tracks for simultaneous operations to enhance efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional battery replacement trolley is used without precise positioning system, then the structure is simple, but the alignment accuracy with electric vehicle is poor
Solution Approach 1:
The patent replaces traditional mechanical positioning methods with an optical sensing system. The alignment sensor detects the alignment original point to determine position, substituting mechanical measurement with optical detection to achieve higher precision without proportional increase in mechanical complexity
Solution Approach 2:
The alignment original point serves as an intermediary reference element between the battery replacement apparatus and the electric vehicle. This intermediary provides a detectable reference that enables precise alignment without requiring direct complex interaction between the apparatus and vehicle
2Productivity
If battery replacement apparatus moves quickly to improve efficiency, then productivity increases, but positioning accuracy deteriorates
Solution Approach 1:
The patent implements periodic action through the deceleration process: the apparatus moves at high speed for most of the journey, then periodically decelerates near the target position. This allows rapid transit while ensuring accurate positioning at critical moments
Solution Approach 2:
The alignment sensor detects the alignment original point in advance before the apparatus reaches the final position. This preliminary detection allows the system to prepare for precise stopping, maintaining both speed and accuracy
3Reliability
If multiple battery replacement apparatuses operate simultaneously on single track, then device complexity is reduced, but operation stability deteriorates due to interference
Solution Approach 1:
The patent segments the walking channel into multiple independent tracks. This segmentation allows multiple battery replacement apparatuses to operate simultaneously without interference, as each apparatus has its own dedicated path while the overall system remains modular and manageable
Data Source
AI summary
Disclosed are a battery replacement system and a control method for the battery replacement system. The battery replacement system comprises a walking channel (2) and a battery replacement apparatus (1), wherein a battery replacement position (4) is provided on the walking channel (2), and the battery replacement apparatus (1) is used for moving to the battery replacement position (4) along the walking channel (2). The battery replacement system and the control method for the battery replacement system can realize rapid battery replacement operation and improve the battery replacement efficiency and the stability of the battery replacement operation.