| 摘要 |
<p>The present invention relates to a unit comprising a photovoltaic solar device associated with a block of rechargeable cells, intended to supply continuously the intercoms, bells, lighting and backup fans of lifts. According to Figure 1 the invention is characterised by a solar module 1 connected to a battery of rechargeable cells 3 by way of a diode 2, a voltage regulator 5 connected to the mains electricity supply. The invention is used in the electromechanical industry applied to the construction of lifts. <IMAGE></p> |
