Battery Swapping Positioning Using Lock Base Image Feedback
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Solution Overview
Problem
Current battery swapping equipment lacks closed-loop control for accurate positioning, leading to potential swapping failures due to inaccurate positioning.
Innovation Solution
Incorporation of an image collection module to capture actual and standard images of the lock base and lock linkage, with positioning judgement and locking judgement modules to ensure precise alignment and locking of the battery pack on the fast swapping bracket.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If battery swapping equipment uses traditional positioning mode without image recognition, then the device complexity is lower, but the positioning precision and reliability are insufficient leading to swapping failures
Solution Approach 1:
The patent replaces traditional mechanical positioning systems with an image recognition-based positioning system. The image collection module captures images of the lock base, and the positioning judgment module uses image processing algorithms to determine positioning accuracy, substituting mechanical measurement methods with optical and computational approaches to achieve higher precision without significant mechanical complexity increase
Solution Approach 2:
The patent uses image copying and comparison techniques where the actual image of the lock base is captured and compared against a standard reference image. This copying approach allows for precise positioning judgment by analyzing image features and comparing them against predetermined standards, achieving high measurement precision through information replication rather than complex physical measurement systems
2Reliability
If battery swapping equipment implements closed-loop control with image recognition, then the positioning reliability improves, but the device complexity and cost increase
Solution Approach 1:
The patent implements closed-loop control through a feedback mechanism where the image collection module continuously monitors the positioning status of the battery pack, the positioning judgment module evaluates the image data to determine whether positioning criteria are met, and the system adjusts accordingly. This feedback loop ensures high positioning reliability by constantly verifying positioning accuracy and making real-time corrections
Solution Approach 2:
The system performs self-verification of positioning accuracy through automatic image capture and analysis. The positioning judgment module autonomously evaluates whether the battery pack is correctly positioned by comparing image features against standards, enabling the system to self-correct positioning errors without external intervention, thereby improving reliability while keeping the control logic integrated within the existing equipment
3Manufacturing precision
If the equipment uses image collection module for positioning judgment, then the positioning accuracy improves, but the measurement and detection difficulty increases
Solution Approach 1:
The patent extracts and focuses on specific key features from the captured images, such as the position and orientation of the lock base relative to the battery pack. By isolating and analyzing only the critical positioning features rather than processing the entire image, the system achieves high locking position accuracy while reducing the computational complexity of image processing
Solution Approach 2:
The patent utilizes visual feature detection in images, where specific visual characteristics of the lock base and battery pack interfaces are identified and measured. The system detects positional accuracy by analyzing visual cues in the captured images, such as alignment features and geometric relationships, converting visual information into precise positioning measurements without requiring complex processing of the entire image dataset
Data Source
AI summary
Battery swapping equipment for an electric vehicle and a positioning method for battery swapping equipment. The battery swapping equipment includes: an unlocking mechanism configured to unlock a battery pack locked onto a fast swapping bracket of the electric vehicle; an image collection module to collect a first actual image containing the lock base during an unlocking process of the battery pack; a storage module configured to store a first standard image collected by the image collection module when the battery swapping equipment is located in a battery swapping position, the first standard image including the lock base; a positioning judgement module to judge whether the battery swapping equipment is located in the battery swapping position according to the first actual image and the first standard image; if not, generating a first moving instruction according to a judged result; a moving mechanism to move according to the first moving instruction.