Door Lock Elevator Calling System
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Solution Overview
Problem
Existing elevator control systems require users to physically walk to the elevator and press a call button, resulting in long wait times before the elevator arrives.
Innovation Solution
A method and system that utilize a door lock and a remote device, such as a user mobile device, to detect status parameters like door and lock states, determine if an elevator should be called, and adjust the elevator's movement based on estimated arrival times, allowing for remote elevator calling and optimized arrival times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If users physically walk to the elevator and press a call button, then the elevator control system operates with simple direct control, but the wait time before the elevator arrives becomes long
Solution Approach 1:
The system performs preliminary actions by detecting door status and user presence before the user actually reaches the elevator. The door lock detects when a door is opened and closed, and the remote device determines whether to call the elevator in advance, so the elevator is already moving toward the floor by the time the user arrives at the elevator bank.
Solution Approach 2:
The patent introduces intermediary devices (door lock with sensors and remote device) that mediate between the user and the elevator control system. These intermediaries detect user intent through door status parameters and transmit calls automatically, eliminating the need for direct user interaction with the elevator call button while reducing wait time.
2Loss of time
If the system uses door lock and remote device to detect status parameters and automatically call the elevator, then the wait time is reduced, but the device complexity increases
Solution Approach 1:
The door lock is given multiple functions: it serves as both a security device and a sensor that detects door status parameters (open/closed states, duration). This multi-functionality allows the system to reduce wait time without adding separate dedicated sensors, thereby limiting the increase in overall system complexity.
Solution Approach 2:
The system performs self-service by automatically detecting door status and transmitting elevator calls without requiring user intervention. The remote device autonomously determines whether to call the elevator based on detected parameters, reducing the need for complex user interfaces and control mechanisms.
3Productivity
If the remote device determines estimated time of arrival and adjusts elevator movement, then the elevator arrival is optimized, but the control complexity increases
Solution Approach 1:
The system implements feedback by having the remote device determine an estimated time of arrival (ETA) based on door status parameters and user movement. This ETA information is fed back to the controller, which adjusts the elevator's movement in real-time to arrive optimally. This closed-loop control improves efficiency while keeping complexity manageable through algorithmic rather than mechanical solutions.
Solution Approach 2:
The elevator control system becomes dynamic by continuously adjusting its operation based on real-time data. The controller modifies the elevator's speed and timing based on the estimated time of arrival calculated from door status and user movement patterns, allowing the system to adapt to varying conditions and optimize performance.
Data Source
AI summary
A method of calling an elevator is provided. The method comprising: detecting, using a door lock, at least one status parameter of a door and the door lock operably associated with the door; transmitting, using the door lock, the at least one status parameter to a remote device; determining, using the remote device, whether to call an elevator in response to the at least one status parameter; transmitting, using the remote device, an elevator call request to a controller when it is determined to call an elevator; and moving, using the controller, an elevator to a floor where the door lock is located.