Charging device for charging a plurality of batteries based on parameter priority
First Claim
1. A charging device for charging a plurality of rechargeable batteries, said charging device comprising:
- a plurality of battery chambers, each of said battery chambers including means for holding one of said rechargeable batteries;
at least two sensors associated with each of said rechargeable batteries, each of said at least two sensor devices including means for measuring a measurable parameter of said rechargeable battery associated therewith;
switchable means for electrically connecting at least one of said rechargeable batteries at a time for charging;
control means for selecting said rechargeable batteries for charging in an order determined by measured values of said measurable parameters obtained from said at least two sensors associated with each of said rechargeable batteries,wherein said control means includes means for weighting said measured parameters of each of said rechargeable batteries according to a predetermined priority factor to obtain weighted combined values, means for comparing said weighted combined values of said measured parameters to at least one predetermined limiting value to determine said order in which said rechargeable batteries are selected for charging and means for controlling said switchable means to connect said rechargeable batteries for charging according to said order.
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Accused Products
Abstract
The charging device for charging a plurality of rechargeable batteries according to the invention includes at least two sensors associated with each rechargeable battery for measuring a measurable parameter, e.g. voltage, temperature, etc, of the rechargeable battery associated therewith; switchable devices for electrically connecting one or more rechargeable batteries at a time for charging; a control device for selecting rechargeable batteries for charging in an order determined by measured values of the measurable parameters obtained from the sensors associated with each rechargeable battery. The control device includes a device for weighting the measured parameters of each of the rechargeable batteries according to a priority factor to obtain weighted combined values, a device for comparing said weighted combined values to at least one predetermined limiting value to determine the order in which the rechargeable batteries are selected for charging and a device for controlling the switchable device to connect the rechargeable batteries for charging according to that order.
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Citations
9 Claims
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1. A charging device for charging a plurality of rechargeable batteries, said charging device comprising:
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a plurality of battery chambers, each of said battery chambers including means for holding one of said rechargeable batteries; at least two sensors associated with each of said rechargeable batteries, each of said at least two sensor devices including means for measuring a measurable parameter of said rechargeable battery associated therewith; switchable means for electrically connecting at least one of said rechargeable batteries at a time for charging; control means for selecting said rechargeable batteries for charging in an order determined by measured values of said measurable parameters obtained from said at least two sensors associated with each of said rechargeable batteries, wherein said control means includes means for weighting said measured parameters of each of said rechargeable batteries according to a predetermined priority factor to obtain weighted combined values, means for comparing said weighted combined values of said measured parameters to at least one predetermined limiting value to determine said order in which said rechargeable batteries are selected for charging and means for controlling said switchable means to connect said rechargeable batteries for charging according to said order. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification