Bus-Enabled Connection Unit for Electrical Installation Parameterization
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Solution Overview
Problem
Existing bus-oriented programmable electrical installations face challenges in simplifying the design and expansion of bus-capable connection units and reducing the effort required for parameterizing control units, as existing solutions require complex programming and long download times due to separate energy and data transmission lines.
Innovation Solution
A modular bus-capable connection unit with a control unit and control bus that transmits both energy and data via the same bus line, allowing for parallel connection of control units and parameterization via the bus line, utilizing standard KNX technology for energy and data transmission, and incorporating a control circuit with pre-parameterized basic functionality and a programming button for simplified operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If individual configuration of each function module is required, then device functionality is complete, but programming effort and download time increase
Solution Approach 1:
The patent combines the configuration of multiple control units into a single centralized parameterization process. The control unit is designed to parameterize itself and other control units connected via the control bus, eliminating the need for individual configuration of each module. This merging approach reduces programming effort while maintaining complete system functionality.
Solution Approach 2:
The control bus serves as an intermediary medium that enables the control unit to parameterize itself and other control units remotely. This mediator allows configuration data to be transmitted through the existing control bus infrastructure, simplifying the parameterization process without requiring separate configuration connections for each module.
2Reliability
If separate power and data lines are used, then transmission reliability is high, but device complexity and installation effort increase
Solution Approach 1:
The patent merges the power supply and data transmission functions into a single control bus. The control bus is designed to carry both energy and data signals simultaneously, eliminating the need for separate power and data lines. This reduces installation complexity and the number of required connections while maintaining reliable transmission through proper signal differentiation and isolation measures.
Solution Approach 2:
The control bus is designed as a multi-functional medium that performs both power supply and data communication functions. This universal bus structure can handle multiple tasks through a single infrastructure, reducing overall system complexity while ensuring reliable operation through dedicated signal handling protocols.
3Ease of manufacture
If modules are connected in series, then wiring is simple, but module exchange and system flexibility are limited
Solution Approach 1:
The patent implements a dynamic parallel connection architecture where control units can be freely added, removed, or repositioned on the control bus without affecting other modules. This dynamic structure allows hot-swapping of modules and flexible system reconfiguration, enhancing adaptability while maintaining wiring simplicity through the standardized parallel bus interface.
Solution Approach 2:
The system is segmented into independent control units that can operate autonomously yet communicate through the shared control bus. Each module is self-contained with its own control unit, allowing individual module exchange and reconfiguration without disrupting the entire system, thus providing both wiring simplicity and operational flexibility.
4Ease of operation
If multiple parameterization devices are required, then each module can be configured independently, but programming effort and download time increase
Solution Approach 1:
The patent merges multiple parameterization operations into a single centralized process. One control unit can parameterize itself and other control units through the control bus, eliminating the need for multiple independent parameterization devices. This reduces programming effort and download time while maintaining the capability to configure each module independently through the unified parameterization interface.
Data Source
AI summary
The unit (1) has a control unit (9) comprising a bus connection device (3) for connecting the connection unit to a bus line (4) of an electrical installation. A control bus (6) determines energy and data between the control unit and another control unit (5). The control bus is in parallel connection with the latter connection unit. The former control unit is parameterized by the bus line, and the latter control unit is parameterized by the former control unit by the control bus. The control bus is equipped for energy and data transfer according to KNXstandard. An independent claim is also included for a method for parameterizing a control unit for controlling an attached control device in a bus system of an electrical installation.