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TOMSK, July 29 – RIA Tomsk. Student of Tomsk Polytechnic
University (TPU) developed heating insoles for footwear which unlike all
analogs will be charged when walking, work without wires, and temperature of
insoles will be easily regulated, the press service of the higher education
institution reported.
"The
device is charged from body energy of a person thanks to piezo elements. Piezo
elements react to foot pressure arising while a person takes a step. The device
"removes" capacity appearing from pressure. <…> The innovation
is convenient for polar explorers, tourists, shift workers", - it is told
in the message.
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It is
specified that PowerInsole 2.0 created by the student of TPU Nikolay Volokhov
is not the first in the world. However it is unique because piezo elements are
used for its charging. Now the first experimental prototype of PowerInsole is
created. The author of the project works on creation of the second, more
advanced sample.
According
to TPU, similar devices are produced abroad, however they have a last of
shortcomings: they require replaceable accumulators (they aren't charged during
walking), have wires connecting an insole and a battery, control panels.
Besides, their temperature can't be regulated, and it is necessary to pull them
out from footwear to recharge.
"The
device is inexpensive and resource efficient, solves these problems. Batteries
are placed in an insole, and it isn't necessary to wear them in a pocket. It
will be possible to control the device with a special application in a
smartphone", - is marked by the higher education institution.
It is added
that it isn't necessary to derive an insole from footwear as widespread and
popular standard of the inductive wireless charging of Qi is used there. And
that energy, which collects in the device when walking, will be enough for
charging of a cell phone.