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1.发明公开公开(公告)号：US20240333013A1
公开(公告)日：2024-10-03
申请号：US18684630
申请日：2021-10-18
发明人： Jia Chen , Xiaoyong Liu
CPC分类号： H02J7/00712 , H02J7/00036 , H02J7/0045 , H02J7/0063 , H02J7/06 , H02J2207/20
摘要： Disclosed are a battery power supply adjusting circuit and method, a charging cable and a terminal device. The circuit is configured to charge a double-cell battery (010), and the circuit comprises a Buck circuit module (110), a first charge pump circuit module (120), a second charge pump circuit module (130), a battery charging and discharging control module (140) and a system power supply module (150); and an input of the Buck circuit module (110) and an input of the first charge pump circuit module (120) are externally connected to an AC/DC adapter (020) respectively, a first output of the Buck circuit module (110) is connected to the second charge pump circuit module (130), a second output of the Buck circuit module (110) is connected to the system power supply module (150), the battery charging and discharging control module (140) is connected to a controlled end of the Buck circuit module (110), a controlled end of the first charge pump circuit module (120), a controlled end of the second charge pump circuit module (130) and the double-cell battery (010), the first charge pump circuit module (120) and the second charge pump circuit module (130) are respectively connected to the double-cell battery (010), and the second charge pump circuit module (130) is also connected to the system power supply module (150).
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公开(公告)号：US20240291309A1
公开(公告)日：2024-08-29
申请号：US18583219
申请日：2024-02-21
申请人： Yazaki Corporation
发明人： Ryo GONDO , Michito ENOMOTO , Daisuke MAEZAKI , Yoshiya OHNUMA , Shunsuke TAKUMA , Shohei KOMEDA
CPC分类号： H02J7/06 , H02M3/33573 , H02M3/33584 , H02J2207/20
摘要： A charger is configured such that when an output power value of a DC/DC converter is smaller than a first power value, a switch of the DC/DC converter and a first switch of a power pulsation absorbing circuit are controlled according to a discontinuous current mode during one entire period of an AC voltage inputted from a AC power supply; and wherein when the output power value of the DC/DC converter is equal to or greater than a second power value, the switch of the DC/DC converter and the first switch of the power pulsation absorbing circuit are controlled according to a continuous current mode during one entire period of the AC voltage.
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公开(公告)号：US12040636B2
公开(公告)日：2024-07-16
申请号：US17399114
申请日：2021-08-11
发明人： Yasumichi Onuki
CPC分类号： H02J7/0019 , H02J7/00712 , H02J7/02 , H02J7/06 , H02J7/35 , B60L53/51 , H02J2207/20 , H02J2300/24 , Y02E10/56
摘要： A charging system is provided herein. The charging system includes an alternating current (AC) power source, opening/closing rectifying units composed of rectifying circuits and opening/closing circuits, and a control device. The rectifying circuits are connected to modules formed by dividing a battery into the modules. The rectifying circuits supply direct current (DC) electric power obtained by rectifying AC electric power supplied from the AC power source to the modules. The opening/closing circuits switch between connection and disconnection between the AC power source and each of the modules. The control device controls connection and disconnection of the opening/closing circuits in accordance with a state quantity of at least one of an output voltage of the AC power source and an input voltage of the rectifying circuits or a state quantity associated with at least one of the output voltage and the input voltage.
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公开(公告)号：US20240178691A1
公开(公告)日：2024-05-30
申请号：US18434939
申请日：2024-02-07
申请人： LiveWire EV, LLC
CPC分类号： H02J7/007 , H02J7/0042 , H02J7/06 , H02M3/33592 , H02J2207/20 , H02M7/219 , H02P27/06
摘要： A charger including a charging interface and a converter coupled to the charging interface. The converter includes a first plurality of switching transistors coupled to the charging interface and a transformer including a primary winding, a secondary winding, and an auxiliary winding. The primary winding is coupled to the first plurality of switching transistors. A second plurality of switching transistors is coupled between the secondary winding and a battery interface. An auxiliary system interface is coupled to the auxiliary winding. A controller is configured to control the first plurality of switching transistors and the second plurality of switching transistors to generate a first signal at the battery interface and a second signal at the auxiliary system interface.
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公开(公告)号：US11935681B2
公开(公告)日：2024-03-19
申请号：US18057692
申请日：2022-11-21
IPC分类号： H02J7/06 , B60L53/20 , B60L53/22 , H01F27/22 , H01F27/26 , H01F27/30 , H02M1/42 , H02M1/44 , H02M3/22 , H02M7/00 , H02M7/66 , H05K1/02 , H05K1/11 , H05K1/18
CPC分类号： H01F27/263 , B60L53/22 , H01F27/22 , H01F27/306 , H02M1/4208 , H02M1/44 , H02M3/22 , H02M7/003 , H02M7/66 , H05K1/0204 , H05K1/0207 , H05K1/119 , H05K1/181 , B60L2210/30 , B60L2210/40
摘要： A power converter comprises a chassis and an AC connector, a low-voltage DC connector and a high-voltage DC connector at an exterior surface of the chassis. An AC-DC converter circuit is positioned at least partially within the chassis and is coupled to the AC connector. A first converter circuit is positioned at least partially within the chassis and is coupled to the AC-DC converter circuit and to a high-voltage DC bus. The high-voltage DC bus is connected to the high-voltage DC connector. A second converter circuit is positioned at least partially within the chassis and is coupled to the high-voltage DC bus to a low-voltage DC bus. The low-voltage DC bus is connected to the low-voltage DC connector.
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6.发明公开公开(公告)号：US20230415601A1
公开(公告)日：2023-12-28
申请号：US18039017
申请日：2021-11-19
发明人： Naoki Okada , Shingo Koyama
摘要： Provided are a charging and discharging device, a charging and discharging control method, and a computer readable medium storing a computer program capable of causing a higher-level device to implement appropriate charging and discharging control. The charging and discharging device has a connector for connecting to an in-vehicle storage battery provided in a vehicle, one or more processors that processes to control charging and discharging in the in-vehicle storage battery, a memory, a communication unit that communicates with an in-vehicle control device of the vehicle, and a higher-level communication unit that communicates with a higher-level control device. The processor stores, in advance, stores values for performing charging and discharging, determines the values based on data transmitted to and from the in-vehicle control device for controlling charging and discharging; and notifies the higher-level control device of either the determined values or the values read from the memory.
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公开(公告)号：US11855556B2
公开(公告)日：2023-12-26
申请号：US16794709
申请日：2020-02-19
发明人： Yeunhee Huh , Sang Joon Kim , Seungchul Jung
IPC分类号： H01M6/50 , H02N2/18 , H02J50/15 , H02J7/00 , H02J50/00 , H02J7/06 , H02M7/219 , H10N30/06 , H10N30/30
CPC分类号： H02N2/188 , H02J7/0048 , H02J7/00718 , H02J7/06 , H02J50/001 , H02J50/15 , H02M7/219 , H02N2/181 , H10N30/06 , H10N30/30
摘要： A power providing device is provided. The power providing device includes a first energy harvester element configured to generate power in response to an external energy signal being received, a connection switching element configured to switch a connection between the first energy harvester element and a second energy harvester element; and a first rectifier comprising one or more path switching elements configured to change a rectification path in response to the switching of the connection switching element, wherein the first rectifier is connected to the first energy harvester element to rectify the power generated by the first energy harvester element along the rectification path.
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公开(公告)号：US20230369985A1
公开(公告)日：2023-11-16
申请号：US18361151
申请日：2023-07-28
发明人： Yanfeng Li , Yu Ma , Yongsheng Zhou
CPC分类号： H02M3/33584 , B60L53/22 , H02M3/33573 , H02J7/06 , B60L2210/10 , H02J2207/20
摘要： A bidirectional DC/DC converter includes a first terminal circuit, a transformer, a second terminal circuit, and a reset circuit, and the transformer includes a first winding and a second winding. The first terminal circuit is coupled to the first winding, and the second terminal circuit and the reset circuit are coupled to the second winding. In a first time period in which the bidirectional DC/DC converter is in a second working state, the second terminal circuit transmits a second alternating current to the first terminal circuit by using the second winding and the first winding; and in a second time period in which the bidirectional DC/DC converter is in the second working state, the reset circuit is in a conducted state, to reset the second winding.
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9.发明公开公开(公告)号：US20230369873A1
公开(公告)日：2023-11-16
申请号：US18029299
申请日：2021-09-16
发明人： Xiaojun Zhong
CPC分类号： H02J7/0068 , H02J7/0063 , H02J7/06
摘要： A bidirectional charging circuit of an electricity storage device includes a step-up and step-down switching module, an inversion and rectification module, a switch module, and a main control module, where the step-up and step-down switching module is provided with a battery connection terminal connected to a battery pack, the switch module is provided with a load connection terminal connected to an electrical appliance and a first mains supply connection terminal, and the main control module is provided with a second mains supply connection terminal; the step-up and step-down switching module is connected to the inversion and rectification module, and the inversion and rectification module is connected to the switch module; and the main control module is separately connected to the step-up and step-down switching module, the inversion and rectification module, and the switch module. A bidirectional charging circuit, apparatus, and control method of an electricity storage device are provided.
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公开(公告)号：US11791739B2
公开(公告)日：2023-10-17
申请号：US16964953
申请日：2019-01-25
CPC分类号： H02M5/4585 , B60L53/12 , B60L53/14 , B60L53/22 , H02J7/06 , H02J50/10 , B60L2210/20 , H02J2207/20 , H02M1/14
摘要： The present disclosure relates to a boost active bridge converter, which has particular, but not sole, relevance to a converter for an inductive or capacitive (wireless) power transfer system. According to an embodiment An AC-AC converter is presented. The AC-AC converter comprises a bridge circuit including at least two half-bridge converters, each half bridge converter comprising a first switch at an upper end and a second switch at a lower end, a capacitor connected to each half-bridge converter, the half bridge converters being connected to each other between the respective first switches and second switches thereof, the upper ends of each half bridge converters being connectable to a primary energy source, wherein the converter is operable to provide a controllable AC output.
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