| 摘要 |
<p>The present invention relates to emergency warning systems, such as sirens, beacons, and emergency lights, designed to guarantee light or acoustic warning for a control system or device, even in the absence of normal primary energy supply. More inparticular, the invention is a supercapacitor backup system that does not require maintenance, capable of optimizing the life of the supercapacitors in relation to the weather conditions and conditions of use so as to enable supply of electrical or electronic optical and/or acoustic warning apparatuses during absence of primary energy, with an intervention time that can be set according to the application.</p> |
