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At present, there are about 1500 universities in China, of which about 80% of the university dormitories adopt a double-layer design. At night, when students on the upper layer want to get down, They have to look for the iron handrail first, and then step down the ladder.
The light is designed to install to the ladder of the bed, and it's device uses LED lights that will only light when students touch the handrail. In each junction of the ladder, there are small springs, which can transform the energy of stepping up and down the ladder into the electrical energy.
Zhejiang University of Science and Technology
Hangzhou, China
Yizhou Lu
Zhejiang University of Science and Technology
Hangzhou, China
Liang Chen
Hangbing Luo
Yi Hu
Jia Wu
Jianwei Shen