Trampling floor can generate electricity?! Last year in the Shanghai Expo, Japanese pavilion exhibited a magic "power floor” which appeared in Shanghai first commercial street - Nanjing road pedestrian street. Recently, the 2011 Shanghai Huangpu District Science Activities witness his opening ceremony in the Bailian Trade International Plaza, Henceforth, the "power floor” in the square will become a standing technology project for tourists to experience.
Along with the rhythmic trample sound, scentists and residents all together feel the surprise that the "power floor” brings to them. A resident said excitedly that he have seen the "magical" power floor last year in Japanese pavilion, while unexpectedly, he could try it at home so soon. Some parents specially take children to come there and some even on the floor playing hopscotch. Organizers said it is through such kind of intuitive demonstration that the application of the achievements in scientific research could be transmitted widely. Therefore, the communication of low carbon environmental protection scientific concept to the public could be possible.
It is introduced that this " power floor” was reasearched by Shanghai Institute of Ceramics, R&D, Chinese Academy of Sciences, totaling 24 small pieces of floor, which adopted altogether 2.1 square meters. The scientific principle utilizes piezoelectric effect: After using the characteristics of electric field changes, mechanical deformation of piezoelectric materials can be formed, which directly turn people’s walking, trampling and jumping mechanical energy into electrical energy. There are 432 single LED lamp, on the ball. After receiving electricity, they will light up like a number of stars shining out. While all of these depends on citizens trample, jumping the energy.
Xu LuoHao, a scientist in the Shanghai Silicate Institute introduces that the "power floor" is the first one in China. Although its power generation principle is the same with the one that of the Shanghai world expo Japanese pavilion, the material structure is totally different. "The heavier a person and the greater the big jump is, the electricity a man can produce, which even can achieve a maximum capacity of 1 watts."
It is reported that the"power floor" will be widely applicated in industry, environment, transport, energy and many other high technology fields. Recently, China manufacturers are sparing their efforts to manufacture this kind of “power floor”, which, I believe could bring a “spring” into the lighting market. ECVV, the online marketplace will also endeavor to follow the tracks of China suppliers’ improvement in this field.
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