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With the popularity of LEDs, systems for energy-saving management of lighting fixtures have also come out one after another. By dimming the lighting devices one by one, up to 70-80% of electricity can be saved. In the United States, there are successful cases where more than 70% of electricity is saved without using LEDs.
If you replace all office fluorescent lighting with LEDs, you can save about 40 to 50%. On this basis, if the "independent control system" is used, optimal lighting for bright windowsides, aisles, and multi-vacant locations can save energy by more than 70%. This kind of system existed before, but because of the need for wiring construction and the like, ease of use was poor. The most recent solution uses wireless LAN and mobile terminals for control, with two major selling points: high ease of use and low cost.
The venture company NetLED has developed a system that can use wireless LAN (Wi-Fi) to control the LED lighting of offices and shops one by one, and began sales in February 2012. Specifically, a small-sized power supply circuit and a wireless communication module are incorporated in each fluorescent lamp type LED lamp, so that switching and dimming can be performed via a personal computer and an "iPhone" via a wireless LAN.
Its characteristic lies in that the lighting management system utilizes the cloud service and is free to users. The user can set the grouping of lighting fixtures, visualization of power consumption, switching, dimming, and timer reservation.
NetLED representative Dewong Long also said that in the office "wired installation of 200 fluorescent-scale control system, a single control panel will be 80 to 120 million yen." The cost of adopting the new system is almost only the cost of LED lights. Even if the office layout changes, there is no need to change the wiring.
Ricoh is also studying the same system. At present, systems for embedding wireless modules in the company's "CLARTE" fluorescent lamp with power supply circuit are being developed. Fluorescent lighting fixtures can be used directly, wireless control through personal computers and tablet terminals. In addition, Iwasaki Electric has also released large-scale LED lighting wireless control systems used in factories and stadiums.
These power saving systems are not limited to LED lighting applications. U.S. dimmer manufacturer Lutron Electronics' wireless dimming system has no restrictions on lighting fixtures. It has been adopted in the new office building of the New York Times in the United States that was completed in 2008, achieving a power saving effect of about 70%, and a reduction of US$ 310,000 per year. The office building did not use LED lighting, and achieved the above-mentioned effects when all the fluorescent lighting was used.
Lutron's products can be used for stabilizing dimming of fluorescent lamps with low power consumption and have been widely used in hotels and art galleries. The company's deputy general manager Brian McKiernan said in a puzzled way: "We cannot understand why Japan only pays attention to high-priced LEDs." The company's system uses a specific low-power wireless remote controller to control the dimming of multiple fluorescent light fixtures. The user can use the "iPad" or the like to self-group lighting fixtures, as well as settings for illumination Sensors and human sensors.