EQUALIZATION SYSTEM FOR ACCUMULATOR BATTERIES
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Abstract
An apparatus comprising a charge equalizing system for batteries has two accumulator stages in series. Each stage has a charging device having an inductance for storing energy, and first and second diodes. The first diode'"'"'s anode links to a negative pole of the accumulator stage. Its cathode links to the inductance'"'"'s first end. The second diode'"'"'s cathode links to a positive pole of the accumulator stage; its anode links to the inductance'"'"'s second end. A first controlled switch links to a battery'"'"'s negative pole and to the second diode'"'"'s anode. A second controlled switch links to the battery'"'"'s positive pole and to the first diode'"'"'s cathode. A control device controls the charging devices. The control device closes the switches of a charging device associated with the accumulator stage to be charged so that the inductance stores energy, and opens the switches to transfer the energy to the associated accumulator stage.
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Citations
28 Claims
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1-14. -14. (canceled)
- 15. An apparatus comprising a charge equalizing system for batteries, said charge equalizing system comprising two accumulator stages connected in series, each accumulator stage comprising one of an accumulator and two accumulators connected in parallel, wherein each accumulator stage comprises an associated charging device comprising an inductance for storing energy, said inductance having a first end and a second end, first and second diodes, wherein said first diode is linked to a negative pole of said accumulator stage by an anode thereof and linked to said first end of said inductance by a cathode thereof, and wherein said second diode is linked to a positive pole of said accumulator stage by a cathode thereof and linked to said second end of said inductance by an anode thereof, and first and second controlled switches, wherein said first switch is linked to a negative pole of a battery and to said anode of said second diode, and wherein said second controlled switch is linked to a positive pole of said battery and to said cathode of said first diode, and a control device for controlling said charging devices, said control device being configured to close said switches of a charging device associated with said accumulator stage to be charged in such a way that said inductance stores energy, and to open said controlled switches so as to transfer said energy to said associated accumulator stage.
Specification