Elevator Landing Door Unlocking via Non-Contact Access
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Solution Overview
Problem
Current elevator systems rely on easily replicable mechanical keys for maintenance access, leading to potential unauthorized entry into the hoistway, compromising safety and security.
Innovation Solution
A landing floor door access system utilizing a door lock connected to a controller for non-contact communication with an access device, such as an NFC chip in a smartphone, to deactivate the lock, eliminating the need for physical keys and enhancing security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mechanical keys are used for door lock access, then ease of operation is improved, but security and reliability deteriorate due to easy replication
Solution Approach 1:
The patent replaces the mechanical key system with an electronic access control system using RFID cards, proximity cards, or biometric scanners. This substitution eliminates the security vulnerability of easily replicable mechanical keys while maintaining ease of operation through contactless or automated authentication methods.
Solution Approach 2:
The invention changes the authentication parameter from physical key shape to electronic identification parameters such as RFID signals, proximity detection, or biometric data. This parameter change fundamentally improves security by making replication difficult while preserving user convenience through automated recognition.
2Reliability
If contactless access devices are implemented, then security is improved, but device complexity increases
Solution Approach 1:
The access control system is designed to accept multiple types of access devices (RFID cards, proximity cards, biometric scanners) through a single unified controller. This multi-functionality approach manages complexity by consolidating various access methods into one standardized system rather than implementing separate mechanisms for each device type.
Solution Approach 2:
The patent introduces an electronic controller as an intermediary between the access device and the door lock mechanism. This intermediary manages the complexity of contactless communication protocols and authentication logic, isolating the complexity from both the user interface and the mechanical locking system.
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 reduces unauthorized access by enabling secure, contactless entry for authorized personnel, enhancing both passenger and technician safety within the elevator system.
Implementation Method 1
The door lock controller is configured for non-contact communication with an access device such that communication between the access device and the door lock controller initiates a signal from the door lock controller to the door lock to deactivate the door lock
Data Source
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AI summary
A landing floor door access system for an elevator system includes a door lock operably connected to a landing floor door, and a door lock controller operably connected to the door lock. The door lock controller is configured for non-contact communication with an access device such that communication between the access device and the door lock controller initiates a signal from the door lock controller to the door lock to deactivate the door lock. A method of accessing a hoistway of an elevator system, includes approaching a landing floor door of the elevator system, the landing floor door positioned at the hoistway, and initiating communication between an access device and a door lock of the landing floor door via non-contact interaction between the access device and the door lock. The door lock is deactivated via the non-contact interaction between the access device and the door lock.