POWER SUPPLY DEVICE FOR ELECTRIC APPLIANCES Russian patent published in 2019 - IPC H02M7/10 H05K5/00 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electric engineering, in particular to the power supply structures and arrangements. Technical result is achieved by the fact that in power supply device for electric appliances, comprising board, on which power supply unit is arranged, which includes rectifier and input filter and transformer, as well as an input unit used for connection to an external alternating current source and an output unit used for connection to an external DC consumer, a rectifier, an input filter and a transformer are each made as separate modules and detachably installed in the sockets on the board, and the device is equipped with a passive cross-circuit board with a communication bus and slots or sockets for installation on it of electrical assemblies or expansion cards made in the form of separate modules for separate modules of electrical units.

EFFECT: design of a power supply device with possibility of increasing its functions owing to use of a cross-board and modular design of electrotechnical devices and elements placed on it.

9 cl, 5 dwg