Charging Pile Electronic Lock Jamming Prediction From Switching Time

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Solution Overview

Problem

Existing charging piles cannot pre-determine the lock jamming critical state, leading to frequent lock jamming issues during the charging process, which hinders effective charging and maintenance.

Innovation Solution

A method and system for pre-determining lock jamming in socket-type charging piles by acquiring time distribution data on switching operations, generating lock jamming features, and determining the critical state of the electronic lock, allowing for proactive maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the charging pile uses traditional lock monitoring methods, then the lock status can be detected, but lock jamming cannot be pre-determined and occurs frequently during charging operations

Engineering Contradiction:
Improvelock operation reliabilityVSAvoidcharging operation interruption time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary detection of lock jamming critical states by analyzing time distribution data of switching operations before actual lock jamming occurs. The controller generates lock jamming features from historical switching time data and pre-determines potential jamming states, enabling proactive maintenance before the lock fails during charging operations.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system establishes a feedback mechanism that continuously monitors switching operation times, compares them against learned normal patterns, and generates alerts when deviations indicate potential lock jamming. The controller uses the generated lock jamming features to provide feedback on lock health status, enabling timely intervention to prevent charging interruptions.

Inventive Principle:
Principle #23Feedback

2Measurement precision

If the charging pile implements real-time lock monitoring, then lock status can be tracked, but the system complexity increases and cannot predict jamming before it occurs

Engineering Contradiction:
Improvelock state detection precisionVSAvoidmonitoring system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system uses the electronic lock's own switching operation time data to self-diagnose potential jamming issues. The controller analyzes the lock's operational characteristics and generates lock jamming features from its own historical data, eliminating the need for additional external monitoring sensors or complex monitoring hardware.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system transforms the raw switching operation time parameter into meaningful lock jamming features through analysis and comparison. By changing the parameter representation from simple time stamps to derived features (such as switching frequency, duration patterns, and deviation from normal behavior), the system achieves precise jamming prediction using simple existing hardware.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If the charging pile performs frequent maintenance checks, then lock jamming can be prevented, but charging productivity decreases due to maintenance interruptions

Engineering Contradiction:
Improvelock operation reliabilityVSAvoidcharging service availability
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system performs preliminary identification of lock jamming critical states through automated analysis of switching time data, allowing maintenance to be scheduled only when necessary. By detecting potential issues before they cause failures, the system enables condition-based maintenance rather than frequent preventive maintenance, maximizing charging service availability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system autonomously monitors and assesses lock health status without requiring manual inspection or intervention. The controller automatically generates lock jamming features and determines maintenance needs, enabling the charging pile to self-diagnose and self-report issues, thereby reducing unnecessary maintenance visits and maximizing productivity.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250023297A1Method for pre-determining lock jamming of electronic lock of socket-type charging pile, charging pile and charging apparatus
Publication Date: 2025.01.16 AUTEL DIGITAL POWER CO LTD
  • US20250023297A1 patent drawing
  • US20250023297A1 patent drawing
  • US20250023297A1 patent drawing

AI summary

Provided are a method for pre-determining lock jamming of an electronic lock of a charging pile, a charging pile and a charging apparatus. The charging pile is provided with a socket, an electronic lock is installed on the socket for performing switching operation on a charging gun which is inserted into the socket. The method includes acquiring time distribution data including one or more switching time during which the electronic lock performs the switching operation on the one or more charging guns, generating one or more lock jamming features corresponding to the one or more switching time according to the time distribution data, and pre-determining whether the electronic lock is in a lock jamming critical state according to the one or more lock jamming features.