LED Downlight Parallel IDC Wiring for Stable Light Output
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Solution Overview
Problem
Existing LED downlighting systems require complex electrical installations, often necessitating professional assistance due to the need for multiple wire connections and voltage management, especially when adding or removing LED units, which increases costs and installation complexity.
Innovation Solution
The implementation of an LED lighting system that utilizes an insulation displacement connector (IDC) to connect LED downlights in parallel across a low voltage pair of wires, allowing for easy addition or removal of units without affecting the predetermined light output, and incorporating a driver that provides a constant voltage and frequency, eliminating the need for additional discrete component adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If LED downlights are connected directly to high voltage mains with separate low voltage drivers, then reliable power delivery is achieved, but installation complexity increases significantly
Solution Approach 1:
The patent combines the high voltage mains connection and low voltage driver into a single integrated downlight unit. The downlight housing contains both the LED circuitry operating at low voltage and the driver circuitry that converts high voltage mains power to low voltage, eliminating the need for separate driver components and complex wiring arrangements.
Solution Approach 2:
The downlight unit performs multiple functions within a single device: it acts as both the lighting element (LED array) and the power conversion device (driver circuitry that rectifies and regulates mains voltage). This multi-functional integration simplifies the overall system architecture and installation process.
2Reliability
If multiple wire connections are required for each LED downlight, then proper electrical connection is ensured, but installation time and cost increase
Solution Approach 1:
The patent extracts the complex multi-wire connection requirements and replaces them with a simplified single-pair wire connection system. By integrating the driver circuitry within the downlight housing and designing it to accept standard low voltage wiring, the system eliminates the need for electricians to make multiple high voltage connections at each fixture location.
Solution Approach 2:
The patent uses an intermediary approach by employing a standardized low voltage wire pair as the connection medium between the mains power source and the LED downlights. This intermediary wiring system simplifies the connection process while the integrated driver circuitry handles the complex power conversion internally.
3Reliability
If professional electricians are required for installation, then proper high voltage connections are achieved, but installation cost increases
Solution Approach 1:
The patent employs inexpensive, easily installable wiring components and connector systems that can be handled by non-professional installers. The downlight units are designed with user-friendly mounting mechanisms and simplified electrical connections that eliminate the need for expensive professional electrician services while maintaining adequate installation reliability.
4Adaptability or versatility
If LED downlights are added or removed from the system, then lighting configuration is flexible, but light output consistency becomes difficult to maintain
Solution Approach 1:
The integrated driver circuitry incorporates feedback mechanisms that monitor the electrical load and adjust the power delivery to the LED array accordingly. This feedback control ensures that each downlight unit maintains consistent light output regardless of whether other units are present in the system, as each unit independently regulates its own power consumption and light emission.
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 installation process, reduces costs by minimizing the need for professional electricians, and allows for flexible configuration of LED lighting systems without compromising light output, as the system maintains a consistent light output range regardless of unit additions or removals.
Implementation Method 1
The insulation displacement connector is for connecting the LED downlight to the wire system extending from the LED driver
Implementation Method 2
LEDs are semiconductor devices that produce light when a current is supplied to them
Implementation Method 3
LEDs are semiconductor devices that produce light when a current is supplied to them
Implementation Method 4
The LED driver has an input with a first voltage and an output with a second voltage, with the second voltage being lower than the first voltage
Data Source
AI summary
A lighting system includes an LED downlight mountable to a ceiling, a driver, and an insulation displacement connector (IDC). Light from the downlight can be faced downward to project light or upward to reflect light off of the ceiling. The driver has an input with a first voltage and an output with a second voltage, the second voltage being lower than the first and being provided through a wire system extending from the LED driver. The IDC connects the downlight to the wire system. The lighting system can be changed from a first to a second configuration by at least one of adding an additional downlight using a corresponding IDC or removing an existing downlight using a corresponding IDC. The second configuration does not significantly affect a desired output range of light from any downlight or any LED circuit of any downlight that remains or preexists from the first configuration.