Automatic series and parallel changing equalizing charger for electric vehicle accumulator
A technology of balanced charging and storage battery, which is applied in battery circuit devices, secondary battery charging/discharging, electric vehicles, etc., to achieve the effects of safety, obvious economic benefits, and significant promotion and application value
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[0010] Referring to Fig. 1, a fully automatic series-parallel conversion equalizing charging device for electric vehicle batteries, which includes a charging socket 3, a charger 1, a charging plug 2, batteries E1...En+1, batteries E1...En+1 connected in series, and it also Including the converter, the converter is composed of DC relays J1...Jn, the number of DC relays J1...Jn is one less than that of the battery E1...En+1, and the DC relays J1...Jn have double sets of normally open and normally closed contacts, charging plugs 2 Built-in connecting wires, the DC relay wire pack J is powered by the charging plug 2 built-in connecting wires, and the DC relays J1...Jn are connected after being energized, so that the batteries E1...En+1 are switched from mutual series to parallel state.
[0011] In terms of circuit design, the present invention can automatically complete the circuit conversion function only by switching the double sets of normally open and normally closed contacts o...
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