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公开(公告)号：US20240322473A1
公开(公告)日：2024-09-26
申请号：US18579504
申请日：2022-07-15
IPC: H01R13/11 , H01R4/62 , H01R11/05 , H01R13/03 , H01R13/627 , H01R13/629 , H01R13/66
CPC classification number: H01R13/111 , H01R4/625 , H01R11/05 , H01R13/03 , H01R13/6277 , H01R13/629 , H01R13/6683 , H01R2201/26
Abstract: A plug-in terminal, a mating plug-in connection structure and a plug-in terminal assembly. The plug-in terminal includes: a connecting end and a plug-in end; the plug-in end includes: a fixing unit and an elastic unit; the fixing unit is configured to be provided on a coupling device; the connecting end includes one end electrically connected to a cable, and the other end connected to the fixing unit, in which the elastic unit is provided with an expansion and contraction insertion hole for plugging in and electrical connection with a mating terminal. The plug-in terminal having the elastic unit with the expansion and contraction insertion hole ensures that the plug-in terminal is in full contact with the mating terminal, and satisfies mechanical requirements and temperature rise requirements.
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12.发明公开公开(公告)号：US20240319238A1
公开(公告)日：2024-09-26
申请号：US18578260
申请日：2022-07-21
Inventor： Chao WANG , Dongping CHEN
CPC classification number: G01R19/2506 , G01R19/10
Abstract: A voltage filtering method for a detecting point in a circuit, a switch state detection method and a related apparatus, which may be used in the technical field of new energy, the voltage filtering method for a detecting point in a circuit including: continuously collecting multiple voltage data of a detecting point in a target circuit; respectively obtaining a plurality of voltage filtering values corresponding to the detecting point by preforming filter modes based on the multiple voltage data; comparing the plurality of voltage filtering values, and if the corresponding comparison result meets a preset condition, determining a voltage target value of the detecting point based on the plurality of voltage filtering values. The present disclosure effectively verifies the validity of the voltage filtering for the detecting point in the circuit, and then ensures the reliability of the voltage filtering for the detecting point, thereby effectively improving the accuracy and reliability of subsequent control or detection according to the filtered voltage.
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13.发明公开公开(公告)号：US20240212885A1
公开(公告)日：2024-06-27
申请号：US18561551
申请日：2022-04-25
IPC: H01B13/012 , G01R31/58 , H01B7/00 , H01B7/28
CPC classification number: H01B13/01209 , G01R31/58 , H01B7/0045 , H01B7/2813
Abstract: The present disclosure provides an insulation withstand voltage detection method and detection device for a wiring harness, and an automobile wiring harness assembly line. The insulation withstand voltage detection method for the wiring harness includes: step S10: placing a to-be-detected wiring harness in an enclosed cavity, in which a conductive electrode plate is disposed in the enclosed cavity, and the to-be-detected wiring harness has one end insulated and enclosed, and the other end connected to a power supply; step S20: reducing air pressure in the enclosed cavity; step S30: providing a test voltage by the power supply; and step S40: detecting a voltage of the to-be-detected wiring harness, and/or detecting a leakage current of the to-be-detected wiring harness. Through the present disclosure, it alleviates the technical problem in the prior art that the dielectric insulation detection of a high-voltage wiring harness cannot realize the in-line detection of finished products.
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公开(公告)号：US20240154336A1
公开(公告)日：2024-05-09
申请号：US18413060
申请日：2024-01-16
Inventor： Chao WANG , Zijian WANG
Abstract: A plug-in terminal, including a connection unit and an elastic unit that are arranged and connected to each other in an axial direction of the plug-in terminal. The elastic unit includes a plurality of elastic sheets arranged at intervals in a circumferential direction of the plug-in terminal. One ends of the plurality of elastic sheets away from the connection unit form a free end of the elastic unit. The plurality of elastic sheets enclose a cavity for receiving a mating terminal inserted from the free end. The plug-in terminal further includes conductive wear-resistant layers located in the cavity and fixed to inner walls of the elastic sheets, respectively. The conductive wear-resistant layers protrude from inner wall surfaces of the elastic sheets respectively for being in contact with an outer wall of the mating terminal.
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15.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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Patent Agency Ranking
公开(公告)号：US20250105540A1
公开(公告)日：2025-03-27
申请号：US18847666
申请日：2023-03-14
IPC: H01R13/00 , H01R13/52 , H01R13/6591 , H05K7/20
Abstract: A connector assembly having a liquid cooling function and a vehicle. The connector assembly includes at least one electrical connection framework and a connector that includes a connection terminal. Two ends of the electrical connection framework are electrically connected to the connection terminal respectively. The electrical connection framework is provided with a hollow inner cavity, and an outer periphery of the electrical connection framework is sleeved with a protective shell. A cavity is formed between the outer periphery of the electrical connection framework and an inner wall of the protective shell, and a cooling liquid flows through the hollow inner cavity and the cavity. The present disclosure can reduce an electrical high-temperature failure and a diameter of the electrical connection framework, and shield the electromagnetic interference.
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17.发明申请公开(公告)号：US20250065737A1
公开(公告)日：2025-02-27
申请号：US18724980
申请日：2022-12-21
Inventor： Chao WANG , Shengxu ZHAO
IPC: B60L53/16 , H01R13/713
Abstract: A high-voltage interlock structure for an electric vehicle charging socket, and a charging apparatus include: a charging socket body, a connector, a rear cover, a control device, and high-voltage interlock connectors; in which the connector is detachably connected to the charging socket body; the rear cover is detachably connected to the charging socket body; the control device is disposed in the charging socket body; one of the high-voltage interlock connectors is disposed between the charging socket and the connector, and/or one of the high-voltage interlock connectors is disposed between the charging socket and the rear cover, and the high-voltage interlock connector is connected to a circuit where the control device is located; when any of the high-voltage interlock connectors is disconnected, the control device controls the charging socket to be disconnected from a power source.
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公开(公告)号：US20250058666A1
公开(公告)日：2025-02-20
申请号：US18706693
申请日：2022-11-02
Abstract: This disclosure relates to the field of electric vehicles, and in particular to a fault feedback method and apparatus of an electric vehicle charging device, and a device. The method includes: acquiring charging device information of an electric vehicle charging device; determining fault information of the charging device based on the charging device information; acquiring, based on an original communication frequency of the charging device information and the fault information, an adjustment frequency higher than the original communication frequency, and the original communication frequency of the charging device information is set by an electric vehicle controller; and sending the charging device information to the electric vehicle controller according to the adjustment frequency, so that the electric vehicle controller determines a fault of the charging device based on the charging device information. In embodiments of this disclosure, a transmission speed of the charging device information is increased, so that the electric vehicle controller quickly determines and deals with the fault based on the charging device information, thereby reducing potential safety risks in charging.
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公开(公告)号：US20250027820A1
公开(公告)日：2025-01-23
申请号：US18714857
申请日：2022-11-23
Inventor： Chao WANG , Chunpeng LI
Abstract: A new energy vehicle, a vehicle-mounted charging device, a temperature measurement circuit, and a temperature measurement method. The circuit comprises: a first temperature sensor (TH1), which acquires a first analog quantity temperature signal of a positive electrode connection terminal; a second temperature sensor (TH2), which acquires a second analog quantity temperature signal of a negative electrode connection terminal; a third temperature sensor (TFH), which is provided in a housing of the vehicle-mounted charging device of the new energy vehicle and acquires an analog quantity ambient temperature signal of the vehicle-mounted charging device of the new energy vehicle; an analog-to-digital conversion module (10), which correspondingly converts the first analog quantity temperature signal, the second analog quantity temperature signal, and the analog quantity ambient temperature signal into a first digital quantity temperature signal, a second digital quantity temperature signal, and a digital quantity ambient temperature signal; and a micro-control unit (20), which corrects the first digital quantity temperature signal and the second digital quantity temperature signal according to the digital quantity ambient temperature signal. The accuracy of measuring the charging temperature of the vehicle-mounted charging device of the new energy vehicle can be improved.
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公开(公告)号：US20250018820A1
公开(公告)日：2025-01-16
申请号：US18714551
申请日：2022-11-23
Abstract: A charging and discharging control system, including a charging control box and a charging gun. The charging control box includes a control module, a communication module, a charging port, a discharging port, and a first controllable switch circuit. The charging gun includes a charging resistor, a discharging resistor, and a second controllable switch circuit. The control module is signal-connected to the first controllable switch circuit, the second controllable switch circuit, and the communication module, and the control module is configured to, in a state where the charging port is connected to the power grid and based on battery status information of the electric automobile, control the first controllable switch circuit to switch to be connected to the charging port, and control the second controllable switch circuit to switch to be connected to the charging resistor.
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