At present, the ordinary mains street light component is eliminated because it does have a few problems in the practical application, some products have no technology content, low level repeated construction, application there are some problems is not suitable for use again. That LED street light products now into independent innovation, and realize leap-forward development, to solve the ordinary street lamp no advantage. LED technology matures, under the premise of constantly improve the luminous efficiency, through the life of the LED, energy saving advantages to compensate for the disadvantages in ordinary street lamp. Constantly in our country energetically in the development of the technology of LED light source and technical level is also rising, from & lsquo; Quality & rsquo; And & lsquo; Quantity & rsquo; On the use of LED lights to meet the demand of the market, the LED street light price has been reduced. Drive power is an important part of a LED street lamp, its failure will lead to the failure of the whole lamp. Due to the bad environment outdoor work, including the power part of the life of the components become driven power even street lamp life span of the bottleneck. With the development of led technology, led street lamp installation easy, simple maintenance, use a stable power supply led street lamps use effect is better.