Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Jung Hwan Na

Tae Hwan Chung

Jae Won Lee

Myoung Seok Lee

Sang Hoon Kwak

Jee Hye Jeong

Hyun Wook Seong

Soung Han Noh

Gun Soo Kang

Tae Hee Jung

A charging system for an electric vehicle that receives electric power from external charging equipment to charge a battery includes an inlet including a plurality of ports. The inlet is connectable to the external charging equipment. A charging management part includes a control pilot (CP) terminal for receiving a charging signal indicating information related to a charging power source of the external charging equipment through the inlet. The CP terminal includes a CP plus terminal connected to a CP port among the plurality of ports of the inlet. The CP plus terminal is configured to receive the charging signal. A CP minus terminal is directly connected to a ground port among the plurality of ports of the inlet. The CP minus terminal is configured to receive a ground potential of the external charging equipment.

Charging system for electric vehicle with reduced noise during charging

A locking mechanism includes a drive motor; a locking member configured to perform a linear reciprocating motion along a predetermined movement path by the drive motor, and selectively locking or unlocking a predetermined object to be locked according to a position of the locking member on the movement path; a position sensor including a sensor gear rotatably driven by the drive motor and a variable resistor of which a resistance value is varied according to a rotation angle of the sensor gear; and a controller configured to determine an operating state of the locking member on the basis of a voltage value applied to the variable resistor.

Locking mechanism for vehicle

A control pilot (CP) signal detection method for a vehicle charger includes: counting CP signals based on signal levels of the CP signals during a set period of time, when an input of the CP signals is detected while an ignition of a vehicle is turned off; determining whether a count of high-level CP signals among the CP signals is within a reference range, when the set period of time elapses; and outputting state information of the CP signals based on the determination of whether the count of high-level CP signals is within the reference range.

Vehicle charger and control pilot signal detection method thereof

An apparatus for detecting a level of a control pilot signal includes: a switch controller configured to output a switch control signal using a control pilot input signal, which was outputted from an electric vehicle supply equipment; and a sample and hold logic unit configured to sample and hold the control pilot input signal, based on the outputted switch control signal, in order to output a control pilot output signal.

Device for detecting level of control pilot signal and charging control system having the same

An analog control system configured to operate a converter in an electric vehicle battery charging system is provided. The analog control system includes a pulse width modulation (PWM) output unit that is configured to output a PWM signal to the converter and an integrated control unit that is configured to sense an input voltage and an output voltage of the converter. The analog control system may be implemented on a printed circuit board having a first ground voltage stage connected to the PWM output unit, a second ground voltage stage separated from the first ground voltage stage by a first predetermined interval and connected to the integrated control unit. A filtering unit is disposed between the first ground voltage stage and the second ground voltage stage to pass an output signal of a predetermined band from the PWM unit to the integrated control unit.

Power module printed circuit board

A voltage sensing circuit of a converter senses input and output voltages of a converter with only one sensing circuit. The voltage sensing circuit is capable of reducing the number of the components for a controller and the volume thereof to save cost, and detecting whether the discontinuous mode (DCM) is entered or not, thereby to apply a separate control algorithm thereto when the DCM is entered.

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Gyeonggi-do, South Korea

Jung Hwan Na