Electronic Lock Hook Vibration Control for Pseudo Lock Prevention

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Solution Overview

Problem

Electronic locks in lockers often enter a pseudo lock state due to improper force application, leading to poor safety performance as the door may appear closed but not be securely locked, compromising the security of stored items.

Innovation Solution

The method involves detecting a locking operation and controlling at least one of the first and second lock hooks to vibrate, ensuring the second lock hook locks the first lock hook in the correct position, thereby preventing pseudo lock states and ensuring the door is securely locked or unlocked.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the electronic lock uses a simple locking mechanism with lock hooks and elastic members, then the device complexity is reduced, but the reliability deteriorates due to pseudo lock states

Engineering Contradiction:
Improvelocking mechanism complexityVSAvoidlocking reliability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent applies mechanical vibration by controlling the lock hooks to vibrate during the locking process. The controller sends vibration control signals to the driving assembly, which drives the lock hooks to vibrate, thereby changing the pseudo lock state to a proper locked or unlocked state. This vibration mechanism increases reliability without significantly increasing overall device complexity.

Inventive Principle:
Principle #18Mechanical vibration

Solution Approach 2:

The patent implements feedback through the controller that monitors the locking operation and adjusts the vibration control signals accordingly. The controller receives feedback about the locking state and modifies the vibration signals to ensure the lock hooks achieve the correct position, preventing pseudo lock states while maintaining relatively simple mechanical structure.

Inventive Principle:
Principle #23Feedback

2Reliability

If the lock hooks are controlled to vibrate during locking operation, then the reliability is improved by preventing pseudo lock states, but the device complexity increases due to additional control mechanisms

Engineering Contradiction:
Improvelocking reliabilityVSAvoidcontrol mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The driving assembly serves multiple functions: it drives the lock hooks to move during normal locking operations and also drives them to vibrate when vibration control signals are received. This multi-functionality allows the system to prevent pseudo lock states through vibration without adding separate dedicated vibration actuators, thereby limiting the increase in device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent changes the motion parameters of the lock hooks from simple translational movement to vibrational movement by modifying the control signals sent to the driving assembly. The controller adjusts the frequency and duration of the vibration signals to achieve the desired locking state, enabling reliability improvement through parameter modulation rather than adding complex mechanical vibration systems.

Inventive Principle:
Principle #35Parameter changes

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

This solution effectively improves the safety performance of electronic locks by preventing pseudo lock states and ensuring the door is properly secured, enhancing the security of stored items.

Implementation Method 1

controlling at least one of the first lock hook and the second lock hook to vibrate

Methodology Applied
Scientific EffectMechanical vibration: Vibration

Data Source

PatentUS11274469B2Control method and control device for electronic lock
Publication Date: 2022.03.15 SHANDONG NEW BEIYANG INFORMATION TECH CO LTD
  • US11274469B2 patent drawing
  • US11274469B2 patent drawing
  • US11274469B2 patent drawing

AI summary

A method and device for controlling an electronic lock are disclosed. The electronic lock includes a lock catch and a lock body that includes a first lock hook and a second lock hook. The first lock hook has a first lock hook locking position where it is engaged with the lock catch and a first lock hook unlocking position where it is separated from the lock catch. The second lock hook has a second lock hook locking position where it locks the first lock hook in the first lock hook locking position and a second lock hook unlocking position where it is separated from the first lock hook. The method includes: detecting whether a locking operation occurs; and when detecting a locking operation, controlling at least one of the first lock hook and the second lock hook to vibrate, allowing the second lock hook to lock the first lock hook in the first lock hook locking position or to be separated from the first lock hook.