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公开(公告)号：US20240092224A1
公开(公告)日：2024-03-21
申请号：US18117697
申请日：2023-03-06
发明人： Jae Hun JEONG , Kyu Won JEONG , Beom Sik KIM , Mun Soo CHUNG
CPC分类号： B60L58/40 , B60L50/70 , B60L53/22 , B60L2210/10
摘要： A method for controlling a vehicle includes determining the number of driving legs according to an output current target value of a DC-DC converter; selecting one or more legs to be switched as many as the number of the driving legs from among a plurality of legs included in the DC-DC converter based on accumulated operation time for each of the plurality of legs; and controlling an output current value of the DC-DC converter to follow the output current target value by switching the selected one or more legs.
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公开(公告)号：US20240109419A1
公开(公告)日：2024-04-04
申请号：US18195023
申请日：2023-05-09
发明人： Jae Hun JEONG , Mun Soo CHUNG , Kyu Won JEONG , Tae Woo KIM , Jong Dae KIM , Beom Sik KIM , Sang Don LEE
CPC分类号： B60L3/0023 , B60L50/75 , H02M3/158 , B60L2210/10
摘要： The present disclosure relates to a DC-DC converter, a vehicle, and a control method including the same, and more particularly, to a DC-DC converter, a vehicle, and a control method including the same capable of effectively detecting and responding to an interlock failure of a connector. The present disclosure provides a DC-DC converter including: a plurality of terminals having more than two terminals disposed in the inlet corresponding to one DC link; an interlock recognition circuit electrically connected to the plurality of terminals; and a converter controller determining a connector interlock state of the inlet based on an output terminal state of the interlock recognition circuit, wherein the interlock recognition circuit is configured to determine the output terminal state in response to whether a connector having an interlock connection part for short circuiting different two of the plurality of terminals when the inlet is interlocked and the output terminal state corresponding to the type of the interlock connection part.
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公开(公告)号：US20240097566A1
公开(公告)日：2024-03-21
申请号：US18217773
申请日：2023-07-03
发明人： Beom Sik KIM , Kyu Won JEONG , Tae Woo KIM , Jae Hun JEONG , Mun Soo CHUNG , Sang Don LEE
摘要： A DC-DC converter, a vehicle including the converter, and a controlling method thereof are provided. The DC-DC converter includes a first capacitor connected to a first DC terminal, a second capacitor connected to a second DC terminal, a plurality of converting circuits each including at least an inductor and a plurality of switching elements, and connected to each other in parallel between the first capacitor and the second capacitor, and a controller configured to control an ON/OFF state of the plurality of switching elements provided of each of the converting circuits. When external power connection with respect to each of the first DC terminal and the second DC terminal is disconnected, the controller is configured to control states of the plurality of switching elements to sequentially provide a plurality of different discharge paths between opposite terminals of the second capacitor via the plurality of converting circuits.
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公开(公告)号：US20240097168A1
公开(公告)日：2024-03-21
申请号：US18180535
申请日：2023-03-08
发明人： Beom Sik KIM , Kyu Won JEONG , Tae Woo KIM , Jae Hun JEONG , Mun Soo CHUNG , Sang Don LEE
IPC分类号： H01M8/04858 , B60L50/75 , B60L53/20 , H01M8/04223 , H01M8/04302 , H01M8/04303
CPC分类号： H01M8/04858 , B60L50/75 , B60L53/20 , H01M8/04223 , H01M8/04302 , H01M8/04303 , H01M2250/20
摘要： A vehicle is provided that includes a DC converter having a first end connected to a fuel cell, a second end connected to a high-voltage battery, and at least one switching element connected between the first end and the second end, a fuel cell control unit which controls an activation state of a running command for start of the fuel cell based on an on-off state of vehicle start, and a converter controller which controls a running state of the DC converter according to an initial start sequence, a shutdown sequence, or a restart sequence for the fuel cell based on the activation state of the running command.
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