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公开(公告)号：EP4401272A1
公开(公告)日：2024-07-17
申请号：EP22887367.5
申请日：2022-09-23
发明人： LEE, Hojoon
摘要： A processor of a battery device performs precharge by closing a precharge switch during a precharge duration, and closes a positive main switch after the precharge duration, and diagnoses the precharge operation on the basis of the voltage of a positive connection terminal measured immediately before the positive main switch was closed and the voltage of the positive connection terminal measured immediately after the positive main switch was closed.
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12.发明公开
公开(公告)号：EP4398441A1
公开(公告)日：2024-07-10
申请号：EP22944195.1
申请日：2022-05-31
发明人： WANG, Haijiang , NI, Ming , LI, Haili
摘要： This application provides a charging control method, a charging control device, an electronic device, and a storage medium. The charging control method includes: obtaining fastest-charge data, where a charging time in the fastest-charge data is less than or equal to a minimum charging time for a same state-of-charge SOC increment section in historical charging processes; and performing charging control on a battery based on the fastest-charge data. By obtaining the fastest-charge data and performing charging control on the battery based on the fastest-charge data, the charging control method according to this application can ensure that the charging time is close to or equal to the minimum charging time in historical charging processes, thereby effectively increasing the charging speed.
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公开(公告)号：EP4398427A1
公开(公告)日：2024-07-10
申请号：EP23212678.9
申请日：2023-11-28
CPC分类号： H02J7/00 , H01R24/60 , H01R13/74 , H01R2201/0620130101 , H01R2201/1620130101 , H05K5/00 , A45C11/00 , A45C11/24
摘要： Aspects of the present disclosure are directed to a USB-C or other port connector assembly for providing data transfer and charging connections in an electronic device. The port connector assembly can include a data connector and a contact charging bezel. The port connector can include: a body member; and a connector tongue mounted in the body member and configured to connect to a plug for either one or both of data transfer and power delivery. The contact charging bezel can include: charging contacts configured to be placed in contact with conductive contact elements of a charging device; and an arm structure connected to the charging contacts and configured to be mounted on the port connector.
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公开(公告)号：EP4395118A1
公开(公告)日：2024-07-03
申请号：EP22867313.3
申请日：2022-09-02
申请人： Softbank Corp.
CPC分类号： Y02E60/10 , B64C27/08 , B64C39/02 , B64D27/24 , H01M10/44 , H01M10/48 , H02J7/00 , H02J7/34 , H02J7/35
摘要： Provided is a system comprising: a management unit that manages a plurality of battery packs, which are connected in parallel to a bus to which a power generation unit and a load are connected, to have the plurality of battery packs being alternately discharged so that a voltage difference between a battery pack with a highest voltage and a battery pack with a lowest voltage among the plurality of battery packs is not greater than a voltage threshold. Provided is a management method of a plurality of battery packs performed by a computer, the plurality of battery packs being connected in parallel to a bus to which a power generation unit and a load are connected, the method comprises: managing the plurality of battery packs to have the plurality of battery packs being alternately discharged so that a voltage difference between a battery pack with a highest voltage and a battery pack with a lowest voltage among the plurality of battery packs is not greater than a voltage threshold.
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公开(公告)号：EP4395110A1
公开(公告)日：2024-07-03
申请号：EP22942021.1
申请日：2022-05-18
发明人： LI, Zhiqiang , ZENG, Chao , LUO, Shaohua , WANG, Shengwei
IPC分类号： H02J7/00
CPC分类号： H02J7/00
摘要： Disclosed in the present application are a charging method and apparatus, and an electronic device and a storage medium. The method comprises: acquiring a charging parameter of each battery module in a battery pack in the current charging mode, wherein the battery pack has a plurality of battery modules, and the current charging mode comprises a series charging mode; and if it is determined, on the basis of the charging parameters of the battery modules, that any two battery modules meet a charging conversion condition, then controlling the plurality of battery modules to be switched from the series charging mode to a parallel charging mode. In this way, conversion from series charging to parallel charging is realized before charging and discharging currents of a battery pack become excessive, such that the risk of lithium precipitation of a battery is reduced, and the charging safety of the battery pack is improved.
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公开(公告)号：EP4394408A1
公开(公告)日：2024-07-03
申请号：EP22918466.8
申请日：2022-12-28
发明人： HE, Zehong , DU, Qiang , HUANG, Caixia , XIAO, Zhongxing
IPC分类号： G01R31/385 , G01R1/073 , H01M10/42 , H02J7/00
CPC分类号： Y02E60/10 , H02J7/00 , G01R31/385 , G01R1/073 , H01M10/42
摘要： A battery test assembly (10), a battery (20), a charging assembly (60) and an electric device (70). The battery test assembly (10) comprises: a positive electrode probe (11), wherein a first end (11a) of the positive electrode probe (11) is used for electrically connecting to a positive electrode (21) of a battery (20); a negative electrode probe (12), wherein a first end (12a) of the negative electrode probe (12) is used for electrically connecting to a negative electrode (22) of the battery (20); and a test piece (13), wherein both a second end (11b) of the positive electrode probe (11) and a second end (12b) of the negative electrode probe (12) are electrically connected to the test piece (13), and the test piece (13) tests the voltage between the positive electrode (21) and negative electrode (22) of the battery (20) by means of testing the voltage between the second end (11b) of the positive electrode probe (11) and the second end (12b) of the negative electrode probe (12). By means of the battery test assembly (10), the battery (20), the charging assembly (60) and the electric device (70), the problem of the safe use of the battery being affected due to an unstable test process of the battery (20) can be avoided.
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公开(公告)号：EP4391255A1
公开(公告)日：2024-06-26
申请号：EP22909609.4
申请日：2022-11-18
申请人： BYD Company Limited
发明人： GAO, Jian , E, Congji , ZHAO, Xiaopeng , PENG, Qingbo , WU, Zhenhan , WANG, Chengzhi
IPC分类号： H02B1/24 , H01M50/519
CPC分类号： Y02E60/10 , B60L3/00 , B60L50/64 , H01M10/42 , H01M10/48 , H01M50/249 , H01M50/519 , H02B1/24 , H02J7/00
摘要： The present disclosure provide a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, a high-voltage connection part and a low-voltage connection part being fixed on the base; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop being electrically connected to the high-voltage connection part, the high-voltage loop having a module positive-electrode connection end and a module negative-electrode connection end, and the high-voltage loop including a main disconnecting switch core fixed on the base; a circuit board, the circuit board being arranged on the base; a low-voltage loop, the low-voltage loop being integrated into the circuit board and being electrically connected to the low-voltage connection part; and a plurality of high-and-low-voltage tabs, an end of each high-and-low-voltage tab being connected to the high-voltage loop for electrical connection, and another end of the high-and-low-voltage tab being plugged into the circuit board for electrical connection with the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure, high space utilization, a small volume, a light weight, and low costs.
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公开(公告)号：EP4390422A1
公开(公告)日：2024-06-26
申请号：EP22858541.0
申请日：2022-08-19
IPC分类号： G01R31/392 , H01M10/48 , H02J7/00
CPC分类号： Y02E60/10 , H02J7/00 , H01M10/48 , G01R31/392
摘要： In a secondary battery state of health estimation method, which estimates the state of health (SOH) of a secondary battery by use of a Weibull law, the total capacity retention rate of the secondary battery, obtained from at least one of data on the secondary battery in operation and a cycle test, is separated into a float capacity retention rate ascribed to deterioration dependent on a use period, and a cycle capacity retention rate ascribed to deterioration dependent on the number of charges/discharges; Weibull coefficients mf, ηf corresponding to the float capacity retention rate, and the float capacity retention rate represented by the following formula (1) are obtained; Weibull coefficients mc, ηc corresponding to the cycle capacity retention rate, and the cycle capacity retention rate represented by the following formula (2) are obtained; and the state of health in a period t or at a cycle number N is estimated from the following formula (A): Floatcapacityretentionrate=exp−tηfmf1Cyclecapacityretentionrate=exp−Nηcmc2StateofhealthSOH=exp−tηfmf×exp−NηcmcA
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公开(公告)号：EP4389533A1
公开(公告)日：2024-06-26
申请号：EP21957128.8
申请日：2021-09-17
发明人： SUN, Jian , WANG, Hui , YANG, Lulu , SONG, Tianzhu
摘要： A vehicle starting method, a power supply, and a vehicle are provided. The method includes: obtaining a voltage of a first battery of the vehicle by an external power supply; and when the voltage of the first battery is lower than a first voltage threshold, controlling a second battery of the external power supply to supply power to the vehicle, to start the vehicle. In this way, whether the first battery has an insufficient voltage may be determined by obtaining the voltage of the first battery of the vehicle, and after it is determined that the first battery has the insufficient voltage, electrical energy for starting the vehicle is provided by the second battery of the external power supply, to start the vehicle. In embodiments of this application, the vehicle starting method and the external power supply can provide low voltage electrical energy for starting the vehicle when a vehicle-mounted low voltage storage battery of a battery electric vehicle or a hybrid electric vehicle is an insufficient voltage state.
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公开(公告)号：EP4389495A1
公开(公告)日：2024-06-26
申请号：EP22909614.4
申请日：2022-11-18
申请人： BYD Company Limited
发明人： E, Congji , GAO, Jian , PENG, Qingbo , WU, Zhenhan , WANG, Chengzhi
CPC分类号： Y02E60/10 , B60L3/00 , B60L50/64 , H01M10/42 , H01M10/48 , H01M50/249 , H01M50/519 , H02B1/24 , H02J7/00
摘要： The present disclosure provides a power distribution apparatus, a battery pack, and a vehicle. The power distribution apparatus includes: a base, the base being configured with an interface area, a high-voltage connection part and a low-voltage connection part being fixed in the interface area; a high-voltage loop, at least a portion of the high-voltage loop being arranged on the base, the high-voltage loop overlapping with the high-voltage connection part for electrical connection, the high-voltage loop having a battery positive-electrode connection end and a battery negative-electrode connection end, components connected in the high-voltage loop being electrically connected through overlapping, the high-voltage loop including a main disconnecting switch core, and the main disconnecting switch core being fixed on the base and the main disconnecting switch core and the base jointly forming a first module; a circuit board, the circuit board being arranged on the base; and a low-voltage loop, the low-voltage loop being integrated into the circuit board and the low-voltage loop and the circuit board jointly forming a second module, and the high-voltage loop and the low-voltage connection part being respectively plugged into the circuit board and electrically connected to the low-voltage loop. The power distribution apparatus in the embodiments of the present disclosure has advantages such as a simple and compact structure space utilization, a small volume, a light weight, low costs, versatility and high production efficiency.
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