Yuanyeled-Outdoor led lighting manufacturer in China, supply outdoor architecture lights products.
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Yuanyeled-Outdoor led lighting manufacturer in China, supply outdoor architecture lights products.
What is Dimming？
Dimming refers to the process of adjusting the intensity or brightness of a light source. It allows users to control the amount of light emitted by a lighting fixture, creating desired lighting levels for different purposes and ambiance.
How they dimming?
To understand the difficulties of dimming LED lamps, it is important to understand how they work. LED lamps use semiconductor chips that move electrons through a semiconductor crystal to produce light. Unlike incandescent lamps, which produce light by burning through a tungsten filament, LED lamps require a constant power supply to operate.
Therefore, while dimming incandescent or halogen lamps simply works by reducing voltage, dimming or brightening light-emitting diodes is a bit more difficult. Basically, it is not the LED lamp itself that is dimmed, but the intermediate electronics that convert the AC voltage from the mains into DC voltage.
Which Lights can be dimmed？
With the development of technology, there are more and more types and multi functions of Led lights. Do you know which lights can be dimmed? Are all LED lights dimmable? Following are some lights that can be made with a dimming function.
LED lighting is energy-efficient, long-lasting, and eco-friendly compared to traditional lighting sources such as incandescent and fluorescent bulbs. LED lights consume less power, emit less heat, and have a longer lifespan, making them a popular choice for residential, commercial, and industrial lighting applications. LED lighting can also be dimmable, color customizable, and available in different shapes and sizes to suit various lighting needs. However, not all LED lamps are dimmable. Here are some common dimmable LED fixtures:
· Indoor Lighting (Ceiling lights, Chandeliers, Recessed spotlights, Light strips/bars, Wall lights, Bulbs and tubes, Desk lamps, Panel lights, Ceiling fan lights)
· Outdoor Lighting (LED streetlights, Garden lighs, In-ground lights, Tunnel lights, Landscape lights, Lawn lights, Wall lights, Underwater lights, Fountain lights, Stage lights, Light strips/bars, Traffic lights)
· LED Safety Lighting and Fire Emergency Lighting Fixtures
· LED Specialty Lighting (Medical tungsten filament bulbs, Helium-neon lasers, Digital tubes, Large screen digital displays, Shadowless lamps, Infrared lamps, Far-infrared lamps)
· LED Special Lighting (Photosynthetic lighting, Automotive lighting, Medical lighting)
The dimming methods
Traditionally, light bulbs were dimmed by reducing the amount of electrical current flowing to the bulb, thereby decreasing its brightness. However, with the advent of LED technology and advanced lighting control systems, dimming is now achieved through different methods, including:
· Pulse-Width Modulation (PWM)
PWM is a digital dimming technique used with LED lighting fixtures. It involves rapidly switching the light source on and off at a high frequency. By varying the ratio of on-time to off-time, the perceived brightness is adjusted. PWM dimming is often used in LED drivers or integrated lighting control systems.
· 0-10V Dimming
This method is commonly used in commercial and architectural lighting systems. It involves sending a low-voltage signal (0-10V) from a dimming control device to the lighting fixture. The voltage level determines the brightness level, with 0V usually indicating off and 10V indicating maximum brightness.
· Triac
Triac is a type of dimmer used for dimming LED lights and other electrical equipment. Triac dimmers can adjust the brightness of the light by controlling the phase of the voltage waveform. The Triac dimmer works as follows: When the Triac dimmer is connected to an LED light, the brightness of the light can be adjusted through a controller such as a knob, remote control or smart home system.The Triac dimmer controls the current by changing the voltage of the waveform to achieve the dimming effect of the light. By controlling the phase of the voltage waveform, the Triac dimmer can achieve a brightness range from 0% to 100%, allowing the LED lamp to be fine-tuned as needed.
· Zigbee/Smartphone App control
Zigbee is a wireless communication protocol commonly used in smart home systems. Through Zigbee technology, it is possible to achieve remote control and dimming of LED lights and other equipment. When dimming with Zigbee technology, the following steps are usually required: Pair LED lights or other devices with Zigbee gateways to ensure they are in the same Zigbee network. Use the Zigbee app on your smartphone, tablet, or other smart control device to select the device you want to control. The dimming effect of LED lights can be achieved by adjusting the parameters of light brightness and color temperature through the application. The instructions are transmitted to the device through the Zigbee gateway to control the brightness changes of the device. Through Zigbee technology to achieve LED light dimming, users can remotely control the light, intelligent lighting management, improve the convenience and comfort of life.
· Remote controller
Dimming with a remote controller usually requires the following steps:
1. Ensure the pairing between the remote controller and the lamp: Usually the remote control and the lamp need to be paired, and follow the instructions or use instructions provided by the manufacturer.
2. Dimming operation: Most remote controls will have a special button or option for dimming. Adjust the brightness of the light by pressing the appropriate button or using the slider on the remote control.
3. Adjust the brightness range: The remote control usually provides multiple brightness options, and the user can choose the appropriate brightness level according to their needs.
Remote dimming provides a convenient and fast lighting control method, so that users can adjust the brightness of the light at any time according to their needs, and improve the adaptability and comfort of the light.
In conclusion, Dimming has vatiety functions for led lights and it is very convenient to our daily life. It is commonly used in residential, commercial, and hospitality settings, as well as in theatres, museums, restaurants, and various other environments where lighting control and ambiance are important.
Shenzhen Yuanyeled Co.,Ltd. is a professional company, was established in 2011 based in Shenzhen, China with over 10-year experience in LED lighting industry starting with LED encapsulation.
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