Multi-Channel Dimmer Synchronization via Isolated Measurement
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Solution Overview
Problem
Multi-channel dimmers face challenges in synchronization due to component tolerances and aging, leading to non-synchronous switching and increased development and production costs, as well as potential operational disruptions and damage.
Innovation Solution
A dimmer system with a measuring dimmer channel and additional dimmer channels, where the measuring dimmer channel's information about electricity behavior is transmitted via a channel communication connection with electrical isolation, allowing precise synchronization of zero crossings across channels, reducing the need for direct communication with the main control device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If each dimmer channel has its own measuring device and control unit, then the dimmer can detect phase-cut or phase-angle control locally, but the complexity of the measuring devices leads to high development and production costs
Solution Approach 1:
The patent combines the measuring functions of all dimmer channels into a single measuring device located in one channel. This measuring device detects the current behavior and transmits this information to other channel control units via communication links, eliminating the need for separate measuring devices in each channel while maintaining local detection capability.
Solution Approach 2:
The patent introduces communication links as intermediaries to transmit current behavior information from the single measuring device to all channel control units. This allows each channel to access local current behavior data without having its own measuring device, reducing complexity while preserving measurement precision.
2Reliability
If component tolerances and aging are not compensated, then the system is simpler, but inaccuracies in zero-crossing detection lead to asynchronous switching and potential damage
Solution Approach 1:
The patent implements a feedback mechanism where the measuring device continuously monitors current behavior and transmits this information to all channel control units. Each channel control unit uses this feedback to adjust its switching timing, compensating for component tolerances and aging effects that would otherwise cause asynchronous switching.
Solution Approach 2:
The patent performs preliminary synchronization by having the measuring device detect current behavior and transmit this information to all channel control units before switching operations occur. This allows each channel to pre-calculate its switching timing based on accurate current behavior data, ensuring synchronous operation despite component variations.
3Productivity
If direct communication links are used between main control unit and all channel control units, then control commands can be transmitted efficiently, but the overall communication delays increase
Solution Approach 1:
The patent segments the communication function by introducing intermediate channel control units that can communicate with each other via communication links. This allows current behavior information to be distributed in a segmented manner, reducing the communication burden on the main control unit and decreasing overall communication delays.
Solution Approach 2:
The patent adds a new communication dimension by enabling direct communication between channel control units in addition to the existing main control unit to channel control unit links. This creates a multi-dimensional communication network that reduces bottlenecks and overall communication delays.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach ensures synchronized switching with minimal delay and cost, even with component aging, reducing overheating and failure risks while lowering overall communication delays and operational disruptions.
Implementation Method 1
The information is transmitted via a channel communication connection, in particular via an optocoupler, with the dimmer channels being electrically isolated from one another
Data Source
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AI summary
The invention relates to a dimmer for controlling the power consumption of a connectable load, in particular of an integrated or connectable lighting device, comprising at least two dimmer channels (K1, K2, Kx), each having a channel control device (S1, S2, Sx). Of the dimmer channels (K1, K2, Kx), at least one measurement dimmer channel (K1) comprises a measuring device (M1), which is at least suitable for producing information about the behavior of the electricity at a point in the measurement dimmer channel. The dimmer also comprises a main control device (HS), which is at least suitable for producing control commands for the dimmer channels, and a communication connection (V), which is at least suitable for transferring such control commands from the main control device (H) to the channel control device (S1) of a dimmer channel (K1). The dimmer (D) also comprises at least one channel communication connection (V12, V23, V(x-1)x), which is at least suitable for transferring information from a first dimmer channel (K1, K2) to a second dimmer channel (K2, Kx), in particular information about the behavior of the electricity at the point in the measurement dimmer channel (K1).