Light Circuit Driver With Wireless Receiver Power Management
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Solution Overview
Problem
Existing light circuit arrangements require switches and super capacitors for wireless control, which are complex and inefficient, especially when used with electronic ballasts that produce varying output voltages.
Innovation Solution
A light circuit arrangement that eliminates the need for switches and super capacitors by using a supply to feed the receiver during the driver's off-state and having the driver take over feeding during the on-state, with a voltage divider and capacitor circuits to derive and smooth DC signals from AC signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If switches and super capacitors are used for wireless control, then power availability for the wireless controller is ensured, but device complexity increases
Solution Approach 1:
The patent removes the super capacitor and switches from the circuit, extracting the energy storage function and replacing it with a simplified approach where the receiver is powered directly from the driver during operation and from the AC signal during off-state, eliminating complex components while maintaining power availability
Solution Approach 2:
The driver serves multiple functions: it drives the light circuit during on-state and simultaneously powers the receiver during on-state. The supply circuit also serves dual purpose by providing power to the receiver during off-state from the AC signal, creating a multi-functional system that reduces component count
2Use of energy by moving object
If switches and super capacitors are used for wireless control, then power storage capability is provided, but manufacturing cost increases
Solution Approach 1:
The super capacitor is completely removed from the design, eliminating the need for expensive energy storage components while maintaining the ability to power the receiver through direct connection to the AC signal via the supply circuit during off-state
Solution Approach 2:
The patent replaces expensive, long-lived super capacitors with a simpler, cost-effective supply circuit that draws power directly from the AC signal during off-state, using inexpensive components like diodes and resistors to achieve the same functional result
3Adaptability or versatility
If the arrangement is optimized for electronic ballast with varying output voltages, then adaptability to electronic ballast is improved, but circuit design complexity increases
Solution Approach 1:
The patent creates a dynamic power supply system where the power source for the receiver automatically switches between the driver during on-state and the AC signal via the supply circuit during off-state. This dynamic adaptation allows the system to handle varying output voltages from electronic ballasts without requiring complex voltage regulation circuitry
Solution Approach 2:
The system adapts to varying ballast output voltages by changing the power source parameters - using the driver's output during on-state when voltage is stable, and switching to AC signal power during off-state when the driver is not active. The circuit design uses simple voltage division and rectification that automatically adapts to different input voltage conditions
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 solution simplifies the circuit, reduces costs, and optimizes performance with electronic ballasts by minimizing power loss and maximizing efficiency, allowing for seamless integration with both mains and electronic ballast systems.
Implementation Method 1
the first capacitor circuit being configured to limit a current entering the supply for a given frequency of the AC signal
Implementation Method 2
a first element with a diode function for coupling the voltage definition circuit to a feeding input of the receiver
Implementation Method 3
a second capacitor circuit for smoothing the first DC signal
Data Source
AI summary
Arrangements comprise drivers (1) for driving light circuits (5), receivers (2) for in response to receptions of wireless signals controlling the drivers (1), and supplies (3) for providing first feeding signals for feeding the receivers (2) during off-states of the drivers (1). The drivers (1) themselves provide second feeding signals for feeding the receivers (2) during on-states of the drivers (1). Devices (6) such as lamps in the form of retrofit tubes comprise the arrangements and the light circuits (5). The light circuits (5) may comprise light emitting diodes. The arrangements may receive AC signals from ballasts (7), and both feeding signals may be DC signals. The supplies (3) may comprise voltage dividers (31, 32) with first capacitor circuits (31) to limit currents entering the supplies (3) for given frequencies of the AC signals and voltage definition circuits (32) for defining voltage signals present across the voltage definition elements (32). Both feeding signals may be supplied via elements (33, 35) with diode functions.