Elevator Security Panel Credential Verification
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Solution Overview
Problem
Integrating building security into elevator systems, particularly those using destination dispatching, is complex and costly due to the absence of TCP/IP communications and requires significant software development and testing.
Innovation Solution
A security panel connected to the elevator control system at public areas of a building, where passengers present credentials via card readers or keypads to initiate elevator car calls, ensuring secure access to private floors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If building security is integrated into destination dispatching elevator systems using TCP/IP communications, then security functionality is achieved, but system complexity and cost increase significantly
Solution Approach 1:
The patent introduces a security panel as an intermediary device that bridges building security systems and elevator control systems. The security panel includes a card reader for credential verification and a contact output that interfaces with the elevator control system, eliminating the need for complex TCP/IP communications and software integration between security and elevator systems.
Solution Approach 2:
The system is segmented into distinct functional modules: the security panel handles credential verification and access authorization, while the elevator control system handles elevator dispatching. This segmentation allows each subsystem to operate independently with simple interfaces, reducing overall system complexity and integration costs.
2Reliability
If building security is integrated into elevator systems, then secure access control is achieved, but integration cost increases
Solution Approach 1:
The security panel serves as a cost-effective intermediary that provides secure access control functionality through hardware-based credential verification. By using a contact output rather than TCP/IP communications, the integration cost is significantly reduced while maintaining security effectiveness.
Solution Approach 2:
The security panel performs self-service credential verification by reading credentials from the card reader and automatically controlling the contact output based on verification results. This eliminates the need for expensive centralized security system integration and reduces overall implementation costs.
Data Source
AI summary
A method of operating an elevator system includes presenting a credential at a security panel disposed at an elevator system landing of a public area of a building. If the presented credential is correct a contact between the security panel and an elevator control system is opened. Opening of the contact allows for placement of a call via the elevator control system for an elevator car to the landing. An elevator system includes one or more elevator cars located in one or more hoistways. An elevator control system controls movement of the elevator cars. A security panel is operably connected to the elevator control system and located at an elevator system landing. Presenting a correct credential at the security panel opens a contact between the security panel and the elevator control system thus initiating a call of an elevator car of the one or more elevator cars to the landing.