Elevator Data Line Merging Control and Emergency Systems
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Solution Overview
Problem
The installation and assembly of passenger transport systems, such as elevator systems, require significant effort and cost due to the need for extensive cabling for emergency call and control systems, particularly in large building complexes.
Innovation Solution
A passenger transport system where control units, central control units, and telephones are connected via a single data line, utilizing existing telephone lines to eliminate the need for separate network cables, reducing material and installation costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate network cables are used to connect each control unit to the central control unit, then reliable data transmission is ensured, but installation effort and costs increase significantly
Solution Approach 1:
The patent combines the emergency call system and the control system into a single unified data transmission network. Both systems share the same data line infrastructure, eliminating the need for separate network cables for control units. This merging reduces cabling complexity while maintaining functional reliability through protocol differentiation on the shared medium.
Solution Approach 2:
The data line is designed to serve multiple functions simultaneously: it carries both emergency call telephony traffic and control system data transmission. This multi-functional use of a single communication infrastructure reduces the overall cabling requirements while ensuring that both systems operate reliably through appropriate protocol handling.
2Reliability
If separate network cables are installed for each control unit, then functional operation is guaranteed, but material and installation costs increase
Solution Approach 1:
The patent merges the infrastructure requirements of the emergency call system and control system by having both share the same data line. This combination eliminates duplicate cabling material costs and reduces installation labor, while system functionality is maintained through appropriate communication protocols for each function on the shared medium.
Solution Approach 2:
The data line infrastructure is designed with universal functionality to handle both emergency call communications and control system data exchange. This multi-purpose design reduces material costs by eliminating redundant cabling while ensuring both systems remain fully functional through protocol-based service differentiation.
3Ease of manufacture
If existing telephone lines are used as data lines, then installation costs are reduced, but data transmission capacity may be limited
Solution Approach 1:
The existing telephone line infrastructure is utilized for dual purposes: traditional voice communications and digital data transmission for the control system. This universal use of the existing medium reduces installation costs while adequate data transmission capacity is achieved through appropriate modulation techniques and protocol optimization suitable for the medium's capabilities.
Data Source
AI summary
The system has a monitoring system with a set of monitoring units (21-23) for exchanging data with a central control unit (30) and between the units. A data conductor (40) connects the monitoring units, the central control unit, and telephones (11-13) to each other via subscriber lines (41-46). The monitoring unit (21) includes an interface such as a network adapter or modem that enables connection of the unit (21) to the conductor over the line (44). The control unit has a sensor gathering and transmitting data to a processor that stores and transmits the data over the conductor. An independent claim is also included for an elevator installation with an emergency-call system comprising a set of telephones.