A method for resetting and locking charging status of serial battery
A technology of connecting batteries in series and state of charge, which is applied in battery circuit devices, current collectors, electric vehicles, etc., and can solve problems such as inability to balance charging of batteries 13
Inactive Publication Date: 2008-02-13
AENEAS ENERGY TECH
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Problems solved by technology
However, the charger 1 cannot achieve balanced charging for each battery 13, so that after each battery 13 is charged, some batteries may be overcharged, and some may be undercharged.
Method used
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[0042] In order to make it easier for your examiner to further understand and understand the purpose, shape, structure, device features and effects of the present invention, the specific examples are given in conjunction with the drawings, and the details are as follows:
[0043] FIG. 2 illustrates a method for resetting and locking the charging state of series-connected batteries according to the present invention with a schematic flow chart. Wherein the method comprises the following steps:
[0044] (1) Multiple batteries (such as lithium batteries or high-capacity capacitors, but not limited to this) are connected in series to form a battery pack, and the battery pack is connected to a power supply (such as a variable voltage source or a variable current source) , but not limited to) in series;
[0045] (2) A plurality of precision voltage detectors are respectively connected in parallel with each battery;
[0046] (3) Connect a plurality of reset locking circuits to the ...
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The utility model provides a method to reset and lock charge state of series connceted cells, which comprises the following steps. (1) A plurality of cells are connnected into a battery in series, and are connected with a power supply unit in series. (2) A plurality of voltage detectors are connected with the cells in parallel. (3) A plurality of resetting and locking circuits are connected with the precise voltage detectors, respectively, and voltage is transmitted to control units, respective. (4) The power supply unit provides a constant current charge source for the battery. (5) When voltage reaches the preset value, the resetting and locking circuits output logic signal to battery switches, and charge stops transitorily. (6) When all of output logic signals are virtual values, the constant current of the power supply unit is reduced, and resetting signals are sent out. (7) All of resetting and locking circuits receive the resetting signals, and voltage is detected again. If the voltage reaches the preset value, charge stops; or else, the step (4) is returned to. By adopting the utility model, each of the cells in the series connceted cells can be charged to the optimal charge effect.
Description
technical field [0001] The present invention relates to a method for resetting and locking the charge state of a battery connected in series, especially to a method for cooperating with a reset lock circuit when a power supply is charging a battery connected in series, so that each battery can The charging method to achieve the best charging effect. Background technique [0002] Press, the serial charger 1 of the prior art, please refer to the first figure, it includes a power supply circuit 11 that outputs a constant current, and multiple sets of series-connected electrical contact groups 12 connected in series with the power supply circuit 11 for supplying Connect the battery 13. Because the charger 1 of this prior art adopts the design connected in series, so when charging, each battery 13 all receives the constant current output from the power supply circuit 11, and can charge with this constant current at the same time, thereby will not follow the battery. The increas...
Claims
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IPC IPC(8): H02J7/02
Inventor 徐登贤郁宗龙蔡文坪
Owner AENEAS ENERGY TECH