Patents by Inventor Jong Hu Yoon
Jong Hu Yoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10075004Abstract: The battery jump-starting method includes determining whether a vehicle is available for jump-start, turning off a switch controlling a relay when the vehicle is available for jump-start, and temporarily driving the vehicle in a state in which the switch is maintained in an OFF state when the vehicle is started. The battery jump-starting method enables a vehicle to temporarily drive when starting in a situation in which it is not possible to replace or charge a battery, upon determining whether the vehicle is available for jump-start.Type: GrantFiled: August 18, 2016Date of Patent: September 11, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Hee Tae Yang, Yu Seok Kim, Jong Hu Yoon, Ho Joong Lee
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Publication number: 20180086220Abstract: A system for charging a vehicle battery includes a relay configured to establish/interrupt electrical connection between the vehicle battery and a vehicle system supplied with power from the vehicle battery, and a controller. The controller is configured to monitor a voltage of the battery, control the relay to interrupt the electrical connection when a voltage of the battery is less than or equal to a first predetermined reference value, and control the relay to establish the electrical connection when a predetermined condition is satisfied while the relay is electrically disconnected. The controller controls the relay to be electrically connected to charge the battery through an external power source while the electrical connection is interrupted, and then control a connection state of the relay based on the voltage of the battery, a voltage and current of the relay at a side of the vehicle system, and whether a vehicle is started.Type: ApplicationFiled: December 9, 2016Publication date: March 29, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Hui Tae Yang, Kyung Ho Kim, Woo Sung Kim, Kyung In Min, Do Sung Hwang, Jae Hoon Choi, Beom Joo Kwon, Dong Gil Ha, Beom Gyu Kim, Jong Hu Yoon, Bo Ram Yang, Hee Sung Moon, Yu Seok Kim, Jung Je Woo, Suk Hyung Kim, Hyun Soo Park
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Patent number: 9919666Abstract: A method for diagnosing leakage of electronic parts and servicing guide of a driving state for a vehicle in a battery management system is provided. The method includes normally driving the vehicle or stopping the vehicle by cutting off a relay based on whether electronic parts broken due to insulation resistance breakdown are required for the driving of the vehicle. In addition, the method includes services a guide required for each broken electronic part about a driving state of the vehicle, by stepwise measuring insulation resistance of vehicle key on, engine starting, an operation of load parts such as a driving motor in the vehicle, an air conditioner, and a low-voltage DC-DC converter, and the like.Type: GrantFiled: August 9, 2015Date of Patent: March 20, 2018Assignee: Hyundai Motor CompanyInventors: Mi Ok Kim, Jong Hu Yoon, Beom Gyu Kim
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Publication number: 20180009317Abstract: An apparatus for preventing overcharge of a battery in an eco-vehicle includes: a detector detecting the overcharge of the battery; and a signal processor controlling a high voltage relay according to an output signal output from the detector to block a charge of the battery.Type: ApplicationFiled: December 1, 2016Publication date: January 11, 2018Inventors: Tae Hwan CHUNG, Jong Hu YOON, Beom Gyu KIM, Mi Ok KIM
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Publication number: 20180013297Abstract: A battery management system for a vehicle is provided. The system is capable of preventing vehicle malfunction by preventing overcharge and over-discharge of a low-voltage battery by providing a controller that is configured to receive power transmitted from a first connection line and power transmitted from a second connection line. The battery management system includes a relay configured to electrically connect and disconnect power that is supplied from a battery to loads. The system also includes a controller configured to receive a first regular power transmitted through a connection line between the battery and the relay and a second regular power transmitted through a connection line between the relay and the loads. The controller is further configured to turn the relay on and off.Type: ApplicationFiled: December 12, 2016Publication date: January 11, 2018Applicant: HYUNDAI MOTOR COMPANYInventors: Jong Hu Yoon, Mi Ok Kim, Kyung In Min, Do Sung Hwang, Jae Hoon Choi, Kyung Ho Kim, Beom Gyu Kim, Hee Tae Yang, Yu Seok Kim, Hyo Sik Moon, Suk Hyung Kim, Beom Joo Kwon
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Patent number: 9851388Abstract: Disclosed is a method and system for detecting faults of a battery heating system and relays. In particular, a method for detecting welding of each relay such as a main relay, a precharge relay or a heater relay and a method for detecting a fault of a battery heating system such as a short circuit, disconnection or damage of each heater are provided by sensing a voltage. In the methods, the on/off state of the heater relay and the high voltage relays is controlled through a predetermined process to detect a fault of the heater relay or the high voltage relay, and welding of the heater relay or the high voltage relay is then detected from a voltage for fault detection which is sensed through a voltage sensing circuit unit for fault detection.Type: GrantFiled: December 14, 2014Date of Patent: December 26, 2017Assignee: Hyundai Motor CompanyInventors: Beom Gyu Kim, Mi Ok Kim, Jong Hu Yoon
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Publication number: 20170361791Abstract: A battery management system of a vehicle is provided to prevent a lithium battery from being overcharged and over-discharged and to safely protect the lithium battery from various conditions degrading the lithium battery when the lithium battery is used as a low-voltage battery in the vehicle. The battery management system includes a relay that electrically connect and disconnects power supplied to a load from a battery and a reconnection switch that determines a connection state based on user manipulation and generates a signal for turning the relay on and off based on the connection state. Additionally, a controller turns the relay on and off based on the connection state of the reconnection switch.Type: ApplicationFiled: November 10, 2016Publication date: December 21, 2017Inventors: Jong Hu Yoon, Mi Ok Kim, Beom Gyu Kim
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Publication number: 20170149261Abstract: The battery jump-starting method includes determining whether a vehicle is available for jump-start, turning off a switch controlling a relay when the vehicle is available for jump-start, and temporarily driving the vehicle in a state in which the switch is maintained in an OFF state when the vehicle is started. The battery jump-starting method enables a vehicle to temporarily drive when starting in a situation in which it is not possible to replace or charge a battery, upon determining whether the vehicle is available for jump-start.Type: ApplicationFiled: August 18, 2016Publication date: May 25, 2017Inventors: Hee Tae YANG, Yu Seok KIM, Jong Hu YOON, Ho Joong LEE
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Publication number: 20170120754Abstract: A battery control system includes a main battery and an auxiliary battery, a direct current DC-DC converter for converting a high voltage output from the main battery into a low voltage between the main battery and the auxiliary battery and supplying the converted low voltage to the auxiliary battery or an electronic load, a relay for intermitting a voltage of the auxiliary battery, and a battery management system for controlling the relay to be turned off in a state in which the DC-DC converter is operated in a constantly ON state, comparing an output voltage of the DC-DC converter and a summation of cell voltages of the auxiliary battery, and detecting a fusion state of the relay according to a comparison result.Type: ApplicationFiled: July 26, 2016Publication date: May 4, 2017Inventors: Jong Hu YOON, Mi Ok KIM, Beom Gyu KIM
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Patent number: 9482713Abstract: A method and system of diagnosing a breakdown during pre-charging are provided. The method includes detecting, by a controller, an output voltage of a battery and pre-charging a capacitor of an inverter using energy from the battery. In addition, the controller is configured to measure a voltage applied to the capacitor of the inverter and detect an output current of the battery. A breakdown may then be detected by the controller by collating the detected output voltage, the voltage applied to the capacitor, and the detected output current.Type: GrantFiled: September 9, 2014Date of Patent: November 1, 2016Assignee: Hyundai Motor CompanyInventors: Mi Ok Kim, Jong Hu Yoon, Hyun Soo Park, Myeong S. Choi, Beom Gyu Kim
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Publication number: 20160163127Abstract: A method for diagnosing leakage of electronic parts and servicing guide of a driving state for a vehicle in a battery management system is provided. The method includes normally driving the vehicle or stopping the vehicle by cutting off a relay based on whether electronic parts broken due to insulation resistance breakdown are required for the driving of the vehicle. In addition, the method includes services a guide required for each broken electronic part about a driving state of the vehicle, by stepwise measuring insulation resistance of vehicle key on, engine starting, an operation of load parts such as a driving motor in the vehicle, an air conditioner, and a low-voltage DC-DC converter, and the like.Type: ApplicationFiled: August 9, 2015Publication date: June 9, 2016Inventors: Mi Ok Kim, Jong Hu Yoon, Beom Gyu Kim
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Patent number: 9276397Abstract: A drive control method based on detected dielectric breakdown is provided. The drive control method includes individually determining whether dielectric breakdown of high voltage components occurs according to whether a switch for electrically connecting a high voltage battery and other high voltage components is opened and a condition of each of the high voltage components when dielectric resistance of a vehicle is measured to determine that dielectric breakdown of a high voltage system occurs. An operation of the high voltage components, the dielectric breakdown of which occurs, is stopped according to a determination result, when dielectric breakdown of high voltage components, which do not affect vehicle driving among the high voltage components, occurs.Type: GrantFiled: July 14, 2014Date of Patent: March 1, 2016Assignee: Hyundai Motor CompanyInventors: Jong Hu Yoon, Mi Ok Kim
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Publication number: 20150323603Abstract: Disclosed is a method and system for detecting faults of a battery heating system and relays. In particular, a method for detecting welding of each relay such as a main relay, a precharge relay or a heater relay and a method for detecting a fault of a battery heating system such as a short circuit, disconnection or damage of each heater are provided by sensing a voltage. In the methods, the on/off state of the heater relay and the high voltage relays is controlled through a predetermined process to detect a fault of the heater relay or the high voltage relay, and welding of the heater relay or the high voltage relay is then detected from a voltage for fault detection which is sensed through a voltage sensing circuit unit for fault detection.Type: ApplicationFiled: December 14, 2014Publication date: November 12, 2015Inventors: Beom Gyu Kim, Mi Ok Kim, Jong Hu Yoon
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Publication number: 20150185271Abstract: A method and system of diagnosing a breakdown during pre-charging are provided. The method includes detecting, by a controller, an output voltage of a battery and pre-charging a capacitor of an inverter using energy from the battery. In addition, the controller is configured to measure a voltage applied to the capacitor of the inverter and detect an output current of the battery. A breakdown may then be detected by the controller by collating the detected output voltage, the voltage applied to the capacitor, and the detected output current.Type: ApplicationFiled: September 9, 2014Publication date: July 2, 2015Inventors: Mi Ok Kim, Jong Hu Yoon, Hyun Soo Park, Myeong S. Choi, Beom Gyu Kim
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Publication number: 20150155702Abstract: A drive control method based on detected dielectric breakdown is provided. The drive control method includes individually determining whether dielectric breakdown of high voltage components occurs according to whether a switch for electrically connecting a high voltage battery and other high voltage components is opened and a condition of each of the high voltage components when dielectric resistance of a vehicle is measured to determine that dielectric breakdown of a high voltage system occurs. An operation of the high voltage components, the dielectric breakdown of which occurs, is stopped according to a determination result, when dielectric breakdown of high voltage components, which do not affect vehicle driving among the high voltage components, occurs.Type: ApplicationFiled: July 14, 2014Publication date: June 4, 2015Inventors: Jong Hu YOON, Mi Ok KIM
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Patent number: 9048660Abstract: A short-circuit detecting apparatus and method of a heating system for a high voltage battery that includes a plurality of heaters, a short-circuited detection resistor, an A/D converter, and a Battery Management System (BMS). The plurality of heaters are connected to a high voltage battery to heat the high voltage battery. The short-circuit detection resistor is connected between the heaters to detect whether the heaters are short-circuited. The A/D converter is configured to sense a voltage applied across the short-circuit detection resistor. The BMS is configured to calculate a final operation value using the voltage applied across the short-circuit detection resistor and compare the final operation value with the value of battery pack voltage to detect whether the heaters are short-circuited.Type: GrantFiled: May 14, 2013Date of Patent: June 2, 2015Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Jong Hu Yoon
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Publication number: 20140153141Abstract: A short-circuit detecting apparatus and method of a heating system for a high voltage battery that includes a plurality of heaters, a short-circuited detection resistor, an A/D converter, and a Battery Management System (BMS). The plurality of heaters are connected to a high voltage battery to heat the high voltage battery. The short-circuit detection resistor is connected between the heaters to detect whether the heaters are short-circuited. The A/D converter is configured to sense a voltage applied across the short-circuit detection resistor. The BMS is configured to calculate a final operation value using the voltage applied across the short-circuit detection resistor and compare the final operation value with the value of battery pack voltage to detect whether the heaters are short-circuited.Type: ApplicationFiled: May 14, 2013Publication date: June 5, 2014Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventor: Jong Hu Yoon