Switching power supply, a mains power supply for cordless power tools and battery chargers

摘要

The switching power supply is a power supply that is intended for connecting the cordless power tools to the mains. DOLLAR A This eliminates the work dependency on the capacity or the state of charge of the battery. DOLLAR A The use of a so-called quasi-resonance converter in conjunction with a new type of safety toroidal transformer enables continuous operation, in particular of the intermittently working pressing tools, blind rivet breakers, etc. In this way, the tool is supplied with enormous energy (1000 W and more) and the strict safety regulations are met. DOLLAR A The switched-mode power supply is housed in an empty battery housing and electrically and mechanically connected to the tool via the contacts. DOLLAR A The switching power supply in the battery adapter can also serve as a DC power supply for a battery charger via an additional contact or can be a main component of the new type of charger.