[Source: Gaogong LED 's " LED Good Products" magazine January issue ]
I. Introduction
As a new type of light source is gradually entering the field of lighting. In order to make better use of LED digital advantages and make it better to use in lighting and better serve people's lives, LED practitioners have devoted great enthusiasm to the exploration and research of LED application control. energy.
Second, the characteristics of ordinary control devices
At present, the LED controllers on the market are mainly divided into two categories, one is the LED controller, which is mainly based on the principle of RGB three primary colors, and synthesizes light of any color or realizes a colorful change effect through digital circuit control technology.
The other type is the LED dimming controller, which uses digital pulse width modulation (PWM) technology to adjust the gray level (or brightness).
The controller function mainly focuses on decoration, indication, display and so on. The LED dimming controller function is limited to the size or color of the dimming, and does not have intelligent lighting.
Third, the intelligent control system features and implementation methods
In the previous section, we have a simple understanding of the current status of LED controllers. Traditional LED controllers have many advantages, and there are also many shortcomings. Let's take a look at how to solve some of the problems encountered in the design of the new LED intelligent control system to better play the advantages of LED.
(1) Functional characteristics
Based on the research results of modern optics, this product makes full use of the combination of LED and digital circuit, and controls all elements of LED output light to achieve high color rendering, color customization, luminous flux customization, natural light simulation, and intelligence. Control, etc., to meet the various needs of people.
It realizes comprehensive and systematic control of each element of LED light output, achieving color rendering index compensation, natural light simulation, intelligent control, luminous flux customization, tone selection (and customization). Give full play to the digital characteristics of LEDs, and then optimize the optical performance of LEDs to achieve intelligent lighting and healthy lighting.
(2) Technical analysis
The design process of the novel LED intelligent control will be specifically described below by way of example (including the accompanying drawings and description).
1. Conceptual design and logical design
The color rendering index compensation function can effectively improve the color rendering of light and make the output light closer to natural light. In this environment, people can more accurately distinguish the color of objects in the environment, and feel more natural and comfortable.
The natural light simulation function can automatically adjust the output tone over time, and its change track is consistent with the change track of sunlight in the day, so that it can work and live in artificial light environment for a long time (such as subway, underground shopping mall, long-term People who work in night shifts can also experience the natural light environment, which is suitable for people's physical and psychological habits, can effectively alleviate fatigue, and is conducive to people's physical and mental health.
The color temperature selection function can freely select any color temperature range through 8 color temperature code values ​​(corresponding to 8 color temperature values ​​of the US Energy Star lighting standard) as needed, which is convenient and quick to operate. At the same time, the output color tone can be fine-tuned by the color temperature adjustment button to achieve free adjustment of the full color temperature range. To suit people's needs in different environments and occasions. Intelligent control functions, such as manual control and automatic control free selection, timed shutdown, etc., humanized, intelligent, convenient and worry-free and can effectively save energy.
Unfinished
For more information, please refer to the January issue of Gaogong LED 's " LED Good Products" magazine.
I. Introduction
As a new type of light source is gradually entering the field of lighting. In order to make better use of LED digital advantages and make it better to use in lighting and better serve people's lives, LED practitioners have devoted great enthusiasm to the exploration and research of LED application control. energy.
Second, the characteristics of ordinary control devices
At present, the LED controllers on the market are mainly divided into two categories, one is the LED controller, which is mainly based on the principle of RGB three primary colors, and synthesizes light of any color or realizes a colorful change effect through digital circuit control technology.
The other type is the LED dimming controller, which uses digital pulse width modulation (PWM) technology to adjust the gray level (or brightness).
The controller function mainly focuses on decoration, indication, display and so on. The LED dimming controller function is limited to the size or color of the dimming, and does not have intelligent lighting.
Third, the intelligent control system features and implementation methods
In the previous section, we have a simple understanding of the current status of LED controllers. Traditional LED controllers have many advantages, and there are also many shortcomings. Let's take a look at how to solve some of the problems encountered in the design of the new LED intelligent control system to better play the advantages of LED.
(1) Functional characteristics
Based on the research results of modern optics, this product makes full use of the combination of LED and digital circuit, and controls all elements of LED output light to achieve high color rendering, color customization, luminous flux customization, natural light simulation, and intelligence. Control, etc., to meet the various needs of people.
It realizes comprehensive and systematic control of each element of LED light output, achieving color rendering index compensation, natural light simulation, intelligent control, luminous flux customization, tone selection (and customization). Give full play to the digital characteristics of LEDs, and then optimize the optical performance of LEDs to achieve intelligent lighting and healthy lighting.
(2) Technical analysis
The design process of the novel LED intelligent control will be specifically described below by way of example (including the accompanying drawings and description).
1. Conceptual design and logical design
The color rendering index compensation function can effectively improve the color rendering of light and make the output light closer to natural light. In this environment, people can more accurately distinguish the color of objects in the environment, and feel more natural and comfortable.
The natural light simulation function can automatically adjust the output tone over time, and its change track is consistent with the change track of sunlight in the day, so that it can work and live in artificial light environment for a long time (such as subway, underground shopping mall, long-term People who work in night shifts can also experience the natural light environment, which is suitable for people's physical and psychological habits, can effectively alleviate fatigue, and is conducive to people's physical and mental health.
The color temperature selection function can freely select any color temperature range through 8 color temperature code values ​​(corresponding to 8 color temperature values ​​of the US Energy Star lighting standard) as needed, which is convenient and quick to operate. At the same time, the output color tone can be fine-tuned by the color temperature adjustment button to achieve free adjustment of the full color temperature range. To suit people's needs in different environments and occasions. Intelligent control functions, such as manual control and automatic control free selection, timed shutdown, etc., humanized, intelligent, convenient and worry-free and can effectively save energy.
Unfinished
For more information, please refer to the January issue of Gaogong LED 's " LED Good Products" magazine.
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