On June 11th, Maoshuo Power | Regulators launched a number of LED lighting power products at the 2009 Light Asia Exhibition. The highly reliable high-power LED street light (tunnel light) drive power is one of the more attractive ones.
It is reported that the use conditions of indoor lighting and outdoor lighting are very different, and the technical difficulty is also different. Power requirements for outdoor lighting:
1. High power, high efficiency requirements, and the overall lighting efficiency requirement per watt of lumens. The overall lighting efficiency requirement of street lamps is above 68lm/W;
2. Directly related to the light effect of the luminaire is the efficiency of the power supply, the power efficiency is high, and the whole lighting efficiency requirement can be achieved;
3. LED driving power supply for LED street light and tunnel light, the power is generally 100W, 150W, 200W, 300W, and the cost accounts for 8%-10% of the total lamp cost;
4. The greater the power of the LED driver, the more difficult it is to design and manufacture.
At the beginning of the promotion of high-power LED lighting such as LED street lights and tunnel lights, LED drive power has many problems, mainly because it is not designed according to the harsh environment where LED street lights and tunnel lights are located. The operating temperature range is narrow, only -40 ° C - 70 ° C Low waterproof rating; low lightning protection rating; low efficiency, long life, only 20,000 hours, or even 10,000 hours.
Maoshuo set up a research and development center in Hangzhou in 2006, and hired experienced international power supply design experts to lead the development of LED street lights and tunnel lights. In 2 years, it invested more than 25 million. In March 2008, it officially launched LED street lamp and tunnel lamp series power supply. The power covers 30W, 50W, 75W, 100W, 150W, 200W, 300W. Border=0 Maoshuo Power High Reliable High Power LED Street Light Driver
According to reports, the product has the following five characteristics:
1. High reliability: It is applied to military patent technology to achieve high precision and constant current, small harmonics, and truly achieve stable and reliable quality, and the defect rate is less than 5/10,000;
2, ultra high efficiency: standby power is small, power up to 95%, power factor up to 0.99, truly achieve high efficiency and energy saving;
3, long life: working life of up to 50,000 hours or more, and normal work between -40 degrees Celsius to +70 degrees Celsius;
4, waterproof and lightning protection: waterproof level up to IP68 standard, anti-radar to 4KV or more, with over-voltage, over-current, over-temperature and other multiple protection;
5, light and beautiful: the application of new materials, new technology, product modularization, standardization, easy to install and maintain, to achieve the characteristics of small size, light weight, green and environmental protection;
6, intelligent control: temperature control, time control, PWM carrier control.
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