Shenzhen Ouyi Lighting Development successfully replaces the DLT solution of thyristor dimming bulbs and dimmers, supports arbitrary depth dimming, no stroboscopic, no dimmer compatibility issues, no dimming noise, power efficiency More than doubled, the market outlook is worth looking forward to.
The thyristor dimming solution for LED luminaires has been plaguing China's LED driver power supply design engineers for years of compatibility with dimmers and dimming. No matter how good you are, this problem has not been able to be obtained due to inherent physical properties. solve it completely.
DLT digital cable dimming scheme based on power line carrier communication protocol bypasses the thyristor from the physical mechanism, which can perfectly solve the compatibility problem between LED lamps and dimmer switches (or dimmers). LED DLT dimming The compatibility between lamps and different brands of DLT dimmer switches can reach 100%, and there is no stroboscopic, smooth dimming and no noise, the minimum dimming depth can be 1%, the most critical is the cost and thyristor The program is completely comparable and the market development potential is worth looking forward to.
Li Jinxing, general manager of Ouyi Lighting, said: "The stroboscopic dimming strobe is difficult to solve due to its inherent phase-cut dimming mechanism, and it is impossible to implement any thyristor dimming solution on the market. 100% compatible with thyristor dimmers on the market, the DLT solution is the solution for the deficiencies of thyristor dimming solutions. The dimming depth can be up to 1%, and the dimming curve is very smooth, completely Strobe, no noise, and no compatibility with the dimmer."
Ma Li, executive director of Ouyi Lighting, also pointed out: "SCR dimming has many shortcomings, such as 100Hz power frequency flicker, poor stability, load overheating, and inconsistent dimming range of different thyristor dimmers. The future of the program will definitely be phased out by the market."
The DLT solution was first proposed by Osram, the leading supplier of lighting fixtures in Europe. It can theoretically escape the traditional thyristor (TRIAC) dimming and must adopt the tangential technology to achieve a more convenient and low-cost digital control solution. Its excellent performance has already attracted the attention of the market.
At present, the only LED driver supplier on the market that claims to provide support for DLT dimming is Dialog (iWatt), which is the first in China to develop a complete DLT dimming solution using Dialog chip (DLT dimmer + DLT power supply). The manufacturer, Hangzhou Silan Microelectronics Co., Ltd. is the first chip supplier in China to publicly announce the development of LED drivers supporting the DLT standard, but has not been publicly released yet.
Li Jinxing, general manager of Ouyi Lighting, said: "The LED driver that supports DLT standard is iW6401. This is a digital programmable LED driver. There are hundreds of registers in it. It needs to be adjusted according to the specific application requirements. The development threshold is still a bit. We also spent a few years trying to finally develop it."
Compared with other wired dimming solutions on the market (such as PWM dimming and 0-10V linear dimming), the biggest advantage of the DLT solution is that it can achieve any dimming depth. Ou Yi Li said: "It is impossible to achieve a dimming depth of less than 1% for both PWM and 0-10V dimming schemes, but the DLT scheme is fine."
Of course, the various wireless dimming solutions on the market today are becoming more mature and stable. However, more and more people in the industry agree that the switch in the future will still be a must-have product. May be replaced by a wireless control terminal.
Mr. Li pointed out that “Mobile phone tablet control APP, remote control, infrared or radar sensor lamps still have poor user experience, easy to lose, easy to mix or reliability issues. I don’t think they can replace fixed positions. It is suitable for all ages and uses simple and clear wall switches, which can only be used as a supplementary option."
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