Abstract: A charging apparatus is provided. The charging apparatus includes a plug supplying electrical energy to an electric vehicle (EV) through a plurality of plug pins; a plurality of temperature sensors disposed in the plug and measuring the temperatures of the plurality of plug pins; and a control unit determining the presence or absence of the overheating of the plug based on the temperatures measured from the plurality of temperature sensors.

Abstract: A cable installment type charging control device for charging an electric vehicle (EV) by using power of a grid-side is provided. The cable installment type charging control device includes a first relay delivering power of the grid-side to an EV-side, a second relay delivering power of the grid-side to the EV-side, a first sub fusion detecting unit for detecting whether the first relay is fused through an-EV side terminal of the first relay and a grid-side terminal of the second relay, and a second sub fusion detecting unit for detecting whether the second relay is fused through an-EV side terminal of the second relay and a grid-side terminal of the first relay.

Abstract: Provided is a charger for an electric vehicle. The charger for an electric vehicle includes a light emitting unit displaying charging operation information of the charger, a communication unit performing near-field wireless communication with an external device, a guide guiding visible light of the light emitting unit, and a control unit controlling operations of the light emitting unit and the communication unit. The guide includes a reflective layer surrounding a portion of the outside of the guide to reflect the visible light toward the inside of the guide.

Abstract: Provided is a portable charger connected to a wall electric power source and configured to supply an electric power from the wall electric power source to a load. The portable charger includes a plug, an electric wire, a switch, a first detection unit, a second detection unit, and a control unit. The control unit is configured to supply an electric power through the electric wire to the load when the plug is plugged in the socket and to cut off the supply of the electric power flowing through the electric wire by controlling the switch on the basis of the user's approach that is detected by the first detection unit, and the tensile force that is detected by the second detection unit while the electric power is being supplied.

Abstract: An electric charging apparatus is provided. The electric charging apparatus includes a ground determination signal generating unit measuring a current signal or voltage signal that is generated from power applied from a power supply unit, the ground determination signal generating unit generating a signal for determining whether the power supply unit is normally grounded on the basis of the current or voltage signal, a power control unit generating a power control signal on the basis of a ground determination detecting signal generated from the ground determination signal generating unit, and a power cutoff unit cutting power supply to a target device to be charged on the basis of the power control signal.

Abstract: A vehicle charging device is provided. The vehicle charging device is connected between an external power source and a vehicle and provides power for vehicle charging. The vehicle charging device includes: a sensing unit sensing whether a current to be provided to the vehicle is in a normal range, a relay unit selectively cutting off a current passing through the sensing unit from being supplied to a vehicle side, a bypass unit connected to the relay unit in parallel and selectively configuring a bypass circuit for the current passing through the sensing unit, and a controller controlling operations of the bypass unit and relay unit according to a current value measured through the sensing unit.

Abstract: A charging apparatus is provided. The charging apparatus includes a plug supplying electrical energy to an electric vehicle (EV) through a plurality of plug pins; a plurality of temperature sensors disposed in the plug and measuring the temperatures of the plurality of plug pins; and a control unit determining the presence or absence of the overheating of the plug based on the temperatures measured from the plurality of temperature sensors.

Abstract: An electric charging apparatus and a failure determination method therefor are provided. In the electric charging apparatus, a relay allows a current to flow inside the electric charging apparatus by switching of a switch. An acceleration sensor detects a vibration of the relay and generating an acceleration sensing signal. A control unit receives the acceleration sensing signal from the acceleration sensor and detects failure of the electric charging apparatus.

Abstract: A cable installment type charging control device for charging an electric vehicle (EV) by using power of a grid-side is provided. The cable installment type charging control device includes a first relay delivering power of the grid-side to an EV-side, a second relay delivering power of the grid-side to the EV-side, a first sub fusion detecting unit for detecting whether the first relay is fused through an-EV side terminal of the first relay and a grid-side terminal of the second relay, and a second sub fusion detecting unit for detecting whether the second relay is fused through an-EV side terminal of the second relay and a grid-side terminal of the first relay.

Abstract: Provided is a portable charger connected to a wall electric power source and configured to supply an electric power from the wall electric power source to a load. The portable charger includes a plug, an electric wire, a switch, a first detection unit, a second detection unit, and a control unit. The control unit is configured to supply an electric power through the electric wire to the load when the plug is plugged in the socket and to cut off the supply of the electric power flowing through the electric wire by controlling the switch on the basis of the user's approach that is detected by the first detection unit, and the tensile force that is detected by the second detection unit while the electric power is being supplied.

Abstract: Provided is a charger for an electric vehicle. The charger for an electric vehicle includes a light emitting unit displaying charging operation information of the charger, a communication unit performing near-field wireless communication with an external device, a guide guiding visible light of the light emitting unit, and a control unit controlling operations of the light emitting unit and the communication unit. The guide includes a reflective layer surrounding a portion of the outside of the guide to reflect the visible light toward the inside of the guide.

Abstract: An electric charging apparatus and a failure determination method therefor are provided. In the electric charging apparatus, a relay allows a current to flow inside the electric charging apparatus by switching of a switch. An acceleration sensor detects a vibration of the relay and generating an acceleration sensing signal. A control unit receives the acceleration sensing signal from the acceleration sensor and detects failure of the electric charging apparatus.

Abstract: An electric charging apparatus is provided. The electric charging apparatus includes a ground determination signal generating unit measuring a current signal or voltage signal that is generated from power applied from a power supply unit, the ground determination signal generating unit generating a signal for determining whether the power supply unit is normally grounded on the basis of the current or voltage signal, a power control unit generating a power control signal on the basis of a ground determination detecting signal generated from the ground determination signal generating unit, and a power cutoff unit cutting power supply to a target device to be charged on the basis of the power control signal.

Abstract: Disclosed is a location tracking system and the method thereof for storing location information. The location tracking system includes at least one beacon apparatus arranged to transmit a beacon signal to a tag; a tag at any position respectively measuring a signal intensity of beacon signals received from surrounding at least one beacon apparatus, and transmitting a measured per-beacon signal intensity to a specific beacon apparatus; and a server arranged to determine if at least any one of signal intensities exceeds a set maximum value by analyzing a per-beacon signal intensity input from the specific beacon apparatus, and store a location-based signal intensity into a database by equally dividing a distance between corresponding beacon apparatuses and then distributing a measured signal intensity into a divided each position in multiple cases the signal intensity exceeds a set maximum value.

Abstract: Disclosed is a location tracking system and the method thereof for storing location information. The location tracking system includes at least one beacon apparatus arranged to transmit a beacon signal to a tag; a tag at any position respectively measuring a signal intensity of beacon signals received from surrounding at least one beacon apparatus, and transmitting a measured per-beacon signal intensity to a specific beacon apparatus; and a server arranged to determine if at least any one of signal intensities exceeds a set maximum value by analyzing a per-beacon signal intensity input from the specific beacon apparatus, and store a location-based signal intensity into a database by equally dividing a distance between corresponding beacon apparatuses and then distributing a measured signal intensity into a divided each position in mutiple cases the signal intensity exceeds a set maximum value.