Electromagnetic Drawer Lock with Fingerprint Sensor
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Solution Overview
Problem
Traditional drawer locking mechanisms are prone to picking, breaking, and key-related issues, offering inadequate security and ease of use for both home and business applications.
Innovation Solution
An electromagnetic locking system integrated with a fingerprint recognition module, comprising a fingerprint sensor, electromagnetic lock, sliding plate, mechanical lock, and spring paddle assembly, which allows secure and easy access by recognizing authorized fingerprints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional cam locks or deadbolt locks are used in the front face of the drawer, then the locking mechanism is simple and inexpensive, but the lock is highly prone to being picked or broken
Solution Approach 1:
The patent replaces the traditional mechanical lock mechanism with an electromagnetic lock system controlled by a fingerprint sensor. The electromagnetic lock uses magnetic fields to secure the drawer, eliminating the mechanical components (keys, tumblers, bolts) that are susceptible to picking or breaking. This substitution maintains simplicity and low cost while significantly improving security reliability.
Solution Approach 2:
The patent introduces a fingerprint sensor as an intermediary between the user and the locking mechanism. Instead of direct mechanical interaction with keys or locks, the system uses biometric verification to control the electromagnetic lock. This intermediary layer enhances security by preventing unauthorized access through traditional mechanical means while maintaining ease of use.
2Ease of operation
If traditional mechanical lock mechanisms are positioned in the front face of the drawer, then the lock is easily accessible, but the lock mechanism is exposed to hazards of lost keys and malfunctioning
Solution Approach 1:
The patent replaces the mechanical key-based locking system with an electromagnetic lock controlled by fingerprint recognition. This eliminates the vulnerability to lost keys while maintaining ease of operation through biometric authentication. The electromagnetic actuator provides reliable electronic control without mechanical wear or key dependency.
Solution Approach 2:
The fingerprint sensor enables self-service authentication, where the user's own biometric data serves as the key. This eliminates dependency on external keys that can be lost or duplicated, while the electromagnetic lock provides reliable automated control. The system serves itself by using the user's fingerprint as both authentication and access control.
3Reliability
If a fingerprint recognition system is integrated with the electromagnetic lock, then security is enhanced, but the device complexity increases
Solution Approach 1:
The patent merges the fingerprint sensor, control circuitry, and electromagnetic lock into a single integrated assembly mounted on the drawer's backboard. This consolidation reduces overall system complexity by combining multiple components into one unit, while maintaining enhanced security through biometric authentication and electromagnetic locking.
Solution Approach 2:
The integrated assembly serves multiple functions: fingerprint capture, biometric verification, electromagnetic actuation, and mechanical locking. This multi-functionality reduces the need for separate components and simplifies the overall system architecture while providing enhanced security through coordinated operation of sensing and actuation elements.
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
The system provides enhanced security and ease of use by ensuring only authorized individuals can access the drawer contents, offering a cost-effective and reliable alternative to traditional locking mechanisms.
Implementation Method 1
an electromagnetic lock assembly
Data Source
AI summary
An electromagnetic drawer lock system includes a fingerprint sensor module assembly; an outer shell assembly having a front opening, four sides, and a backboard; a drawer having a front, a back, two sides, and a bottom; an electromagnetic lock assembly; a lock catch; a sliding plate; a mechanical lock assembly; a grooved pulley; and a spring paddle assembly. A method of operation includes a user placing a fingerprint on a fingerprint sensor, the sensor capturing a fingerprint image; storing the captured fingerprint image in memory; capturing subsequent fingerprint images; comparing subsequent fingerprint image to images stored in memory; disengaging the electromagnetic lock upon successful recognition of captured fingerprint image; and engaging electromagnetic lock upon successful recognition of captured fingerprint image. A mechanical lock assembly can be used to open and close the drawer if using the fingerprint sensor module assembly is unsuccessful.