Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1995-09-07
1997-06-10
Wong, Peter S.
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 59, 320DIG2, H02J 710
Patent
active
056379838
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The sector involved in this parent's technique is that of chargers for electrical accumulators or batteries of the sort that are known as rechargeable as well as the non-rechargeable ones, which accept and keep the recharge by means of this type of charger.
ES P9101267 for a circuit and device for recharging accumulators or batteries and other specific use, by the same applicants as this present one, is made up of a circuit which uses direct current to provide for consumption on one part of the circuit and a charging terminal. The content of this patent was extended with the same essence by PCT ES9200044.
U.S. Pat. No. 3,391,321 for a battery (cell) charger in series consists of a battery holder box linked to a circuit in series, having a resistance and a diode on one branch of the circuit, an operation pilot light and a switch.
DE D9100421 for an electrical device with a direct current low frequency motor, consists of a circuit with two alternative branches connected to one of the poles, provided with a resistance, alternative switch and rectifier.
DE A3810397 for a current supplier for a device is, characterized by having a circuit made up of an external branch connected in series to batteries and an internal circuit provided with diodes in one or two directions.
SUMMARY OF THE INVENTION
The aim of this invention is a charger of electrical accumulators which produces a flow of input current of greater voltage than the rated output voltage of the battery, being provided with a circuit which determines regulation of the charge, in accordance with the specific use involved, for batteries of any kind.
A traditional battery charger carries out the charging process by providing a flow of current of stable voltage and a amperage that goes down in accordance with said battery's level of charge. The charging system proposed by this patent carries out the charging process by providing a flow of current whose voltage is higher than that of the battery to be charged and which regulates the amperage.
In the case of small electrical batteries of the kind considered not rechargeable, for example the button type ones, traditional chargers give rise to an explosion, which does not occur with this one, through its own particular system.
It is well-known that at present a 6 V battery is charged with a charger whose output transformer is 6 V; a 12 V one with a charger whose output transformer is 12 V and the 24 V ones with a charger whose transformer output is 24 V and so on according to each voltage in the corresponding way.
This charger consists of a circuit in which the transformer's output voltage is greater than the voltage of the battery to be charged, for example from 5 to 10 volts greater than the voltage of the battery to be charged, and from the battery voltage, the increase in this voltage brings about a great reduction in the charging time, with this increase being optimum from 10 volts, producing a constant charge, stemming from the voltage drop arising from inserting a circuit, either before the transformer or after this, such as for example one or more reactances, a transformer, a set of diodes, a resistance, whose consumption will be in accordance and in relation with the voltage and amperage of the transformer.
This system also carries out its functions because it works in a different way to the traditional type of chargers known today in the following cause-effect system:
A conventional charger which is connected to a more or less discharged battery marks a current input of 10 A. If another charger is connected to the same battery, with the same characteristics, the latter will not give a 10A input reading as the first did, but both will considerably lower the input of current to the battery, by spreading the load of the first between the two, with a minimum increase of the initial 10A.
Using the system proposed in this patent, in the aforementioned case the two would charge at 10 A so that between the two the current input would be 20 A, which is the sum of the 10 A plus th
REFERENCES:
patent: 3848173 (1974-11-01), Hase
patent: 4311952 (1982-01-01), Mabuchi et al.
patent: 4460863 (1984-07-01), Conforti
patent: 4621225 (1986-11-01), Birk
Borja Baixauli Salvador
Planells Almerich Francisco
Cargadores Pla-Bor Sociedad Limitada
Goldberg Richard M.
Law Patrick B.
Wong Peter S.
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