| 摘要 |
<p>Improvements in electronic systems for automatic connection and/or disconnection of electric circuits, specially in lighting, characterized by comprising two modules, a programming module and a basic module, said programming module including a) a keyboard (1) through which the data are introduced in the basic module, b) an alphanumeric display (2) in which are shown the data requests and the introduced values, c) an interface/drive (3) of the display for connection thereof to the basic module with the corresponding decodifier, said basic module including A) a microprocessor (4) consisting of a central processing unit, a random access memory and a read-only memory that performs the task of carrying out the program contained in the latter, calculating the connection/disconnection according to instructions introduced and stored in the other memory, B) a time-base (5) controlled by a quartz crytsal which generates oscillations in square wave and frequency for measurement of the time elapsed, C) an output exciter (6) actuated by said central unit of said microprocessor that acts upon an independent relay in an output circuit of astronomic programming which follows the solar curves of sunrises and sunsets according to the graphic coordinates of the place of installation and to the time of the year, and D) a series of voluntary programming output exciters which, by each one acting upon an independent relay, allow daily and seasonal adjustements.</p> |
