Color Temperature Lighting Fixture With Shared Dimming Drive
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Solution Overview
Problem
Conventional color temperature control lighting fixtures require multiple independent driving circuits for each LED module, leading to complex circuits and higher costs.
Innovation Solution
A color temperature control lighting fixture that uses a single dimming drive module to control multiple light-emitting components of different color temperatures by switching their conduction paths through a color temperature control module, simplifying the circuit and reducing the need for multiple driving chips.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple independent driving circuits are used to control each LED module separately, then color temperature control is achieved, but circuit complexity increases and cost rises
Solution Approach 1:
The patent merges multiple independent driving circuits into a single shared dimming drive module. The color temperature control module selectively connects different LED modules to the shared dimming drive module based on control signals, allowing one driving circuit to control multiple LED modules with different color temperatures, thereby reducing circuit complexity while maintaining color temperature control capability
Solution Approach 2:
The dimming drive module is designed with universal functionality to drive multiple types of LED modules with different color temperatures. By adding the color temperature control module that dynamically configures connections, the single dimming drive module becomes multi-functional, capable of controlling various LED modules without requiring separate dedicated driving circuits for each
2Adaptability or versatility
If multiple independent driving circuits are used to control each LED module separately, then color temperature control is achieved, but manufacturing cost increases
Solution Approach 1:
The patent merges multiple independent driving circuits into a single shared dimming drive module. The color temperature control module selectively connects different LED modules to the shared dimming drive module based on control signals, allowing one driving circuit to control multiple LED modules with different color temperatures, thereby reducing circuit complexity while maintaining color temperature control capability
Solution Approach 2:
The dimming drive module is designed with universal functionality to drive multiple types of LED modules with different color temperatures. By adding the color temperature control module that dynamically configures connections, the single dimming drive module becomes multi-functional, capable of controlling various LED modules without requiring separate dedicated driving circuits for each
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
Simplifies circuit complexity and reduces costs by using a single dimming drive module to adjust both color temperature and light intensity, while minimizing high-frequency interference.
Implementation Method 1
when the color temperature control signal is a first voltage value, the color temperature control module conducts between the first connection terminal and the conduction control terminal, and cuts off between the second connection terminal and the dimming drive module; when the color temperature control signal is a second voltage value, the color temperature control module cuts off between the first connection terminal and the conduction control terminal, and conducts between the second connection terminal and the dimming drive module
Implementation Method 2
the dimming drive module controls the conduction time ratio between the conduction control terminal and a ground terminal based on the dimming control signal
Implementation Method 3
a first light-emitting component, connected to the power supply terminal and the first connection terminal; a second light-emitting component, connected to the power supply terminal and the second connection terminal, wherein the color temperature of the first light-emitting component differs from that of the second light-emitting component
Data Source
AI summary
A color temperature control lighting fixture includes a first and a second light-emitting component with different color temperatures, the light-emitting components each respectively connected to a first and a second connection terminal of a color temperature control module. The color temperature control module is also connected to a conduction control terminal of a dimming drive module. The color temperature control module selectively conducts between the first or the second connection terminal and the conduction control terminal, thereby switching between different color temperature light sources. The dimming drive module controls the conduction time ratio between the conduction control terminal and the ground terminal, thus controlling the total light intensity of the first and second light-emitting components. The circuit complexity is simplified and the cost is reduced by using the color temperature control module and a single dimming drive module which replaces the originally independent light source drive modules.