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1.发明申请公开(公告)号：US20250132582A1
公开(公告)日：2025-04-24
申请号：US18686774
申请日：2022-08-22
Inventor： Chao Wang , Guoqing CAO
Abstract: Disclosed by the present disclosure are a dead time determination method, a charging driving circuit and apparatus, and a device and a medium. The dead time determination method includes: acquiring output current of a charging driving circuit; determining a load status of the charging driving circuit according to the output current of the charging driving circuit; acquiring an output voltage of the charging driving circuit; and determining dead time of the charging driving circuit according to the output voltage and the load status of the charging driving circuit. According to the present disclosure, the dead time of the charging driving circuit in different load statuses can be determined according to the output current and output voltage of the charging driving circuit, so that enables the charging apparatus to output stable voltage or current.
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公开(公告)号：US20240380222A1
公开(公告)日：2024-11-14
申请号：US18688241
申请日：2022-08-15
Inventor： Chao Wang , Guoqing CAO
IPC: H02J7/00
Abstract: The present disclosure provides a circuit and method for suppressing a power supply starting surge, a charging apparatus, and a storage medium. The circuit for suppressing a power supply starting surge includes: a power supply module, a relay, and a variable resistance. The relay is connected in parallel to the variable resistance and then connected between an external power supply and the power supply module. According to the present disclosure, the variable resistance is connected in parallel to both ends of the relay, so that a power supply starting surge can be effectively suppressed, the power supply module is controlled to output an appropriate power supply voltage, and normal operation of components in the circuit can be protected.
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公开(公告)号：US20250135890A1
公开(公告)日：2025-05-01
申请号：US18682899
申请日：2022-08-12
Inventor： Chao WANG , Guoqing CAO
Abstract: The present disclosure discloses a discharge control method and apparatus, an electronic device and a storage medium, which belong to the technical field of automobiles. The discharge control method includes: acquiring battery capacity information of a bidirectional charger connected to the discharge apparatus; determining a load type corresponding to the acquired voltage signal according to a pre-established corresponding relationship between the voltage signal and the load type; and controlling the bidirectional charger to discharge the load according to a preset discharge strategy corresponding to the determined load type and the battery capacity information. In this way, the loads are classified, thereby discharging different types of loads using different discharge strategies, instead of discharging electricity to all the loads using a single discharge control strategy, which is beneficial to making full use of the electric energy of the electric automobile and improving the discharge efficiency thereof.
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