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公开(公告)号：US11201361B2
公开(公告)日：2021-12-14
申请号：US17068077
申请日：2020-10-12
发明人： Patrick J. Clarke , John S. Whiting
IPC分类号： H01M10/44 , H01M10/46 , H01M10/48 , G01R31/371 , H02J7/04 , G01R31/392 , H02J7/00 , G01R31/3835 , H01M10/42 , G01R31/364 , G01R31/00 , G01R31/378 , G01R31/3842 , G01R31/379 , H01M50/502 , H01M50/543 , G01R1/20 , G01R13/02 , G01R19/00 , H01R13/02 , H01R13/66
摘要： A battery charger and method is disclosed for detecting when a battery has a low state of health while simultaneously charging or maintaining the battery. A battery charger includes a processor; a non-transitory memory device; a power management device to receive an input power and to output a charging current; a pair of electrical conductors to electrically couple with a battery, and a display electrically coupled to the processor. The display being configured to indicate a bad battery indicator when the battery has a low state of health and whether the battery is good to start.
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公开(公告)号：US11112463B2
公开(公告)日：2021-09-07
申请号：US14677529
申请日：2015-04-02
发明人： Ronald J. Dulle
IPC分类号： G01R31/36 , G01R31/396 , G01R31/388 , G01R31/3835 , H01M10/052 , H01M10/06 , H01M10/48 , H01M16/00 , H02J7/00 , G01R31/378 , G01R31/3842 , B60L58/19 , B60L58/20 , G01R31/364 , G01R31/374 , G01R31/392 , H01M10/42 , G01R31/379
摘要： The present disclosure includes a method that includes receiving, via a processor disposed within a lithium ion battery module, a voltage signal associated with a resistor coupled to a negative terminal of the lithium ion battery module. The negative terminal of the lithium ion battery module is coupled to a negative terminal of a lead acid battery module. The method also includes determining, via the processor, one or more properties associated with the lead acid battery module based on the voltage signal.
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公开(公告)号：US20210190869A1
公开(公告)日：2021-06-24
申请号：US17130431
申请日：2020-12-22
发明人： Shoya MORISHIMA , Yuki NAKANISHI
IPC分类号： G01R31/379 , B60L58/15 , H01M10/48
摘要： A method for estimating a state of charge of a valve regulated lead-acid battery includes; an overcharge amount identification step of identifying an overcharge amount when the lead-acid battery is overcharged after an arbitrary reference time; an open circuit voltage acquisition step of acquiring an open circuit voltage of the lead-acid battery after the reference time; and a state-of-charge estimation step of estimating a state of charge of the lead-acid battery based on the acquired open circuit voltage and a correlation between an open circuit voltage and state of charge in which a rate of change of the state of charge with respect to the open circuit voltage is smaller as the overcharge amount from the reference time until an acquisition time of the open circuit voltage is larger.
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公开(公告)号：US10690726B2
公开(公告)日：2020-06-23
申请号：US16154741
申请日：2018-10-09
发明人： Yuki Koizumi , Shigeru Namiki
IPC分类号： G01R31/392 , H02J7/00 , G01R31/379 , H01M10/48 , B60R16/033 , H01M10/44 , H01M10/42 , H02J7/14
摘要： A power supply system includes a lead battery supplying power to the electric load of the vehicle, a battery sensor unit acquiring a value related to a state of the lead battery, and a battery deterioration determination device determining deterioration of the lead battery based on the value acquired by the battery sensor unit. The battery sensor unit acquires a value of a charge amount of the lead battery, a value of a discharge amount of the lead battery, and a value of a discharge depth of the lead battery. An ECU calculates a value of an effective charge/discharge amount of the lead battery based on a charge amount acquisition value, a discharge amount acquisition value and a discharge depth acquisition value acquired by the battery sensor unit and determines deterioration resulting from softening of a positive electrode active material based on the value of the effective charge/discharge amount.
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公开(公告)号：US10684330B2
公开(公告)日：2020-06-16
申请号：US16046791
申请日：2018-07-26
发明人： Don Karner , Frank Fleming , Ulf Krohn , Christer Lindkvist
IPC分类号： G01R31/392 , G01R31/36 , G01R31/374 , G01R31/396 , H02J7/00 , G01R31/367 , G01R31/371 , G06F3/0482 , G06F3/0484 , G01R31/382 , G01R31/379 , H01M10/06 , H01M10/42 , H01M10/48 , F02N11/08 , G01W1/00 , G06Q10/06 , G06Q50/06 , G06F1/28 , G08B13/14 , G08B25/00 , H04W4/021 , G01K3/08 , H04L29/08 , H01M2/34 , H04W4/80
摘要： Disclosed herein are a methods and system for monitoring battery temperature and providing alerts when temperatures are abnormal, comprising: wirelessly receiving temperature measurement data from a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel, wherein a temperature measurement data represent the temperatures inside each of said plurality of monoblocs; calculating a temperature value, TPDAVE, equal to an average of the temperature measurement data wirelessly received from all the plurality of monoblocs in a battery; calculating a high temperature difference, TPDH, as an absolute value of the difference between the highest monobloc temperature in the battery and the TPDAVE; calculating a low temperature difference, TPDL, as an absolute value of the difference between the lowest monobloc temperature in the battery and the TPDAVE; and establishing an alert when the TPDH is greater than a predetermined high temperature threshold.
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公开(公告)号：US20240021891A1
公开(公告)日：2024-01-18
申请号：US18217682
申请日：2023-07-03
发明人： Thomas McDaniel , Marc Radzikowski , James Jones
IPC分类号： H01M10/42 , G01R31/36 , G01R31/379
CPC分类号： H01M10/4285 , G01R31/3648 , G01R31/3646 , G01R31/379
摘要： The present disclosure is a battery capacity testing interface (BCTI) module. The BCTI module may be configured to test capacity of a battery unit, such as an individual battery or string of batteries. In one aspect of the present disclosure, the BCTI module may instruct a battery unit under test to release a controlled electrical discharge that is measured by the BCTI module. Once determined, battery capacity can provide insight into the battery life of the battery, as well as the ability of the battery to deliver a specified amount of current at a constant rate to a specified end voltage for a specified time. Advantageously, the BCTI module may operate with various types of battery monitors and may be employed to test various types of batteries, including lead-acid batteries and lithium-ion batteries.
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公开(公告)号：US20230119619A1
公开(公告)日：2023-04-20
申请号：US17451236
申请日：2021-10-18
发明人： Fang-Chi HSIEH
IPC分类号： G01R31/367 , G01R31/379 , G01R31/387 , G01R31/396
摘要： The present invention provides a classification method and system for rechargeable batteries based on stable charging current or current leakage. A charging current should be zero theoretically when a rechargeable battery is fully charged, however, due to self-discharging effect, there exists a current leakage even after the battery is fully charged. Rechargeable batteries can be classified based on their stable charging current after being fully charged. Different classified rechargeable batteries can be adopted for different purposes.
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公开(公告)号：US20220404426A1
公开(公告)日：2022-12-22
申请号：US17667257
申请日：2022-02-08
发明人： Don Karner , Frank Fleming , Ulf Krohn , Christer Lindkvist
IPC分类号： G01R31/392 , G01R31/36 , G01R31/374 , G01R31/396 , H02J7/00 , H02J13/00 , G01R31/367 , G01R31/371 , G06F3/0482 , G06F3/0484 , G01R31/382 , G01R31/379 , H01M10/06 , H01M10/42 , H01M10/48 , F02N11/08 , G01W1/00 , G06Q10/06 , G06Q50/06 , G06F1/28 , G08B13/14 , G08B25/00 , H04W4/021 , G01K3/08
摘要： A system for determining an operating mode of a battery includes a voltage sensor configured to detect a present voltage across terminals of the battery. The system further includes a non-transitory memory configured to store previously detected voltages across the terminals of the battery, and a previous operating mode of the battery. The system further includes a processor coupled to the voltage sensor and the non-transitory memory and configured to determine the operating mode of the battery by comparing the present voltage across the terminals of the battery to the previously detected voltages of the battery and based on the previous operating mode of the battery.
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公开(公告)号：US20220404420A1
公开(公告)日：2022-12-22
申请号：US17765597
申请日：2020-10-02
IPC分类号： G01R31/379 , G01R31/367 , G01R31/392
摘要： An estimation device includes: a derivation unit (31) configured to derive a derivation history based on a current and a voltage of a lead-acid battery and a temperature of the lead-acid battery; a first specifying unit 31 configured to specify a specific gravity of an electrolyte solution; a second specifying unit (31) configured to specify at least one degree out of: a first degree of softening of a positive electrode material; a second degree of corrosion of a positive electrode grid; a third degree of sulfation of a negative electrode; and a fourth degree of shrinkage of a negative electrode material based on the specified specific gravity, the derived derivation history, and at least one relationship selected from the group consisting of: a first relationship between the specific gravity and a first history, and the first degree; a second relationship between the specific gravity and a second history; and the second degree; a third relationship between the specific gravity and a third history; and the third degree; and a fourth relationship between a fourth history and the fourth degree; and an estimation unit (31) configured to estimate a degree of deterioration of the lead-acid battery based on the specified at least one degree.
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公开(公告)号：US20220137142A1
公开(公告)日：2022-05-05
申请号：US17433181
申请日：2019-06-10
发明人： Hirokazu ITO , Hiroaki SONE , Yuya KIHIRA , Kazuo HARUKI
IPC分类号： G01R31/379
摘要： A lead-acid battery monitoring apparatus includes: sensor units attached to lead-acid batteries connected in series and/or in parallel; and a control unit capable of wireless communication connection with the sensor units. The control unit receives a setting as to whether to prohibit or permit alarm output for each of the lead-acid batteries.
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