Single-Connection DALI Interface for Non-DALI Device Detection
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Solution Overview
Problem
Existing lighting systems face challenges in efficiently connecting components with multiple functions to a DALI bus while minimizing component size and production costs, often requiring multiple ports which are not cost-effective.
Innovation Solution
A device with a control unit that can selectively connect different components to a data bus line, determining their function through electrical properties or presettings, allowing for a single connection to support multiple functions, including a reset function, and optionally using radio modules for wireless communication to identify components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple ports are provided for connecting different operating devices, then the potential applicability of the control device is improved, but the component size and production costs increase
Solution Approach 1:
The patent implements a universal connection interface that can accept multiple types of operating devices (push buttons, sensors, switches, dimmers) through a single connection point. The control device detects the type of connected device and automatically configures the appropriate signal conversion and protocol handling, eliminating the need for separate dedicated ports for each device type.
Solution Approach 2:
The patent introduces a signal conversion mechanism that acts as an intermediary between the physical operating device and the DALI bus. This converter detects the input device type, converts its specific signal format into the standardized DALI protocol, and transmits it through the single connection interface, enabling multi-device compatibility without requiring multiple physical ports.
2Adaptability or versatility
If multiple ports are provided for connecting different operating devices, then the potential applicability of the control device is improved, but the production costs increase
Solution Approach 1:
The patent implements a universal connection interface that can accept multiple types of operating devices (push buttons, sensors, switches, dimmers) through a single connection point. The control device detects the type of connected device and automatically configures the appropriate signal conversion and protocol handling, eliminating the need for separate dedicated ports for each device type.
Solution Approach 2:
The patent merges the functionality of multiple dedicated ports into a single multi-functional connection interface. By combining the signal conversion capabilities for different device types into one integrated converter module, the design reduces the number of physical components needed, simplifying manufacturing processes and reducing production costs while maintaining full device compatibility.
3Device complexity
If a single connection is used for multiple functions, then the component size is reduced, but the complexity of detecting and measuring the connected component increases
Solution Approach 1:
The control device automatically detects the type of operating device connected to the single interface by analyzing its electrical characteristics and signal patterns. The system performs self-configuration by identifying the connected device and automatically adjusting its internal settings, eliminating the need for manual setup or complex user intervention in the detection process.
Solution Approach 2:
The patent employs electrical property analysis as the detection mechanism. The control device monitors electrical parameters such as resistance, capacitance, and signal waveform characteristics to identify the connected device type. By changing the detection parameters based on the detected device type, the system accurately identifies different operating devices through a single connection interface.
Data Source
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AI summary
The present invention relates to a device for connecting components (2..4) of a lighting system to a data bus line (5), comprising a first connection (6a, 6b) for connecting the data bus line (5), a second connection (7a, 7b) for connecting one component (2) of several components (2..4) of the lighting system, wherein the several components (2..4) are assigned different functions, and a control device (8) for determining the component (2) connected to the second connection (7a, 7b) or its function by determining electrical properties of the component (2), by querying a preset stored in the device and/or by determining the operating state of the device (1), wherein the control device (8) is configured to, for at least one of the several components (2..4) to convert a signal received at the second terminal (7a, 7b) of this component (2) into a control command according to the specified function for transmission via the data bus line (5).