Abstract
Nowadays, with the improvement of people’s material and spiritual living standards, there are all kinds of musical fountain in public plazas, units and resident regions in many cities in China. Musical fountain, as its name suggests, the water of fountain plays in rule basic of the music’s melody and rhythm, along with the changes of light, laser or other media. It forms a harmonious unity in people’s vision and audition, making them feel pleasant. In addition, due to the rapid development of science and technology and the continuous improvement of people’s living standard, people’s requirement of environment is getting higher and higher， especially fountain which plays an important role in building urban and communities’ environment.
Today’s fountain engineering combined with high and new technology is the necessity of historical development. Because of using much high-tech, the fountain become more colorful, pretty and charming, so it always makes people forget to leave.
Keywords musical fountain controller PLC inverter
