Switching device for switching on and off computer, has transformer and reception or control module has stand by current drain, which is fifty times smaller than stand by current drain of unregulated power supply unit

摘要

The device has a transformer, permanently supplied with current independent from power supply unit of a current source. The reception or control module is switched between transformer and unit and receives switching signal which switch on and off the regulated unit according to signal, so that the main board of the computer receives current by the unit through bus bar or receives no current. The transformer and the module have stand by current drain, which is 50 times smaller than the stand by current drain of the unregulated power supply unit.