Emergency Lighting Driver Commissioning via Test Switch Patterns
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Solution Overview
Problem
Current commissioning methods for emergency lighting systems are costly and cumbersome, often requiring external devices or dedicated smartphone applications, and involve additional complexity due to the need for extra communication interfaces like NFC, which increases the cost and complexity of the luminaire.
Innovation Solution
A driver for emergency lighting systems with output terminals and a test switch that can be set to a commissioning mode by a predefined operation pattern, allowing for efficient commissioning without external devices, using a visual status indicator to signal mode activation and inputting commissioning data through the test switch, with the ability to form a mesh network for centralized data storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If dedicated handheld instruments or smartphones with dedicated applications are used for commissioning wireless emergency luminaires, then commissioning functionality is achieved, but device cost and operational complexity increase
Solution Approach 1:
The luminaire commissions itself by detecting a predefined operation pattern on its existing test switch and automatically entering commissioning mode, eliminating the need for external commissioning devices or applications. The system serves its own commissioning needs using already-present components.
Solution Approach 2:
The existing test switch is given an additional function: it serves both as a test activation switch and as a commissioning mode entry interface. By detecting specific operation patterns (e.g., prolonged pressing or repeated sequences), the same physical switch enables commissioning without requiring separate dedicated commissioning hardware.
2Adaptability or versatility
If NFC interfaces are added to luminaires for commissioning, then wireless commissioning capability is improved, but additional ICs and energy storage requirements increase cost and complexity
Solution Approach 1:
The commissioning capability is extracted from the luminaire's internal structure by using external manual input patterns on the test switch rather than embedding NFC or other wireless communication interfaces. This removes the need for additional ICs, antennas, and energy storage components while maintaining commissioning functionality.
Solution Approach 2:
The test switch acts as an intermediary interface between the user and the luminaire's commissioning system. Instead of requiring direct wireless communication interfaces like NFC, the mechanical switch translates user intent into commissioning mode activation through predefined operation patterns, serving as a simple yet effective mediator.
3Adaptability or versatility
If multiple operation modes are implemented in the driver, then functionality is improved, but control complexity increases
Solution Approach 1:
Different driver functions are activated by periodic or sequential operation patterns on the test switch. For example, pressing the switch once activates test mode, while pressing it twice or holding it for a specific duration enters commissioning mode. This temporal coding of operations allows multiple functions to be controlled through a single switch without increasing physical complexity.
Solution Approach 2:
The test switch's operational parameters (pressing duration, number of presses, timing intervals) are varied to differentiate between test activation and commissioning mode entry. By changing these temporal parameters rather than adding physical switches, the system achieves multi-functionality while keeping the hardware simple.
Data Source
AI summary
The invention relates to a driver (100) for emergency lighting means (101), comprising output terminals (111a-b) for electrically supplying at least one emergency lighting means (101), and a test switch (103) for starting a test routine controlled by a controller (109) of the driver (100), wherein the driver (100) is settable to a commissioning mode if the test switch (103) is activated according to a predefined operation pattern defined by time durations and/or repetition criteria of the operation pattern.