Abstract: A method for producing a lead-free X-ray shielding material using bismuth iodide is provided, the method including a first step of producing porous PDMS (Polydimethylsiloxane); a second step of producing a mixed solution of BiI3 and THF; and a third step of immersing the porous PDMS into the mixed solution such that the BiI3 is loaded into the porous PDMS to produce a BiI3-PDMS composite material.

Abstract: A system for diagnosing an in-cable control box (ICCB) is installed in a vehicle, electrically connected, at one side thereof, to a low-speed charging cable having the ICCB, electrically connected, at another side thereof, to an on-board diagnostics (OBD) device, and is configured to diagnose the ICCB. The system includes a Control Pilot (CP) data conversion unit configured to receive charging situation data produced from the ICCB; a Controller Area Network (CAN) communication unit configured to receive diagnosis initiating data for the ICCB produced from the OBD device; and a control unit configured to receive the charging situation data from the CP data conversion unit, convert the charging situation data into data recognizable by the OBD device, receive the diagnosis initiating data from the CAN communication unit, and convert the diagnosis initiating data into data recognizable by the ICCB.

Abstract: A power relay assembly is provided and includes a first relay that is connected to a positive end of a battery and a second relay that is connected to a negative end of the battery and connected to the first relay via a DC capacitor. A first Field Effect Transistor (FET) is connected in parallel with the first relay and a second FET is connected in parallel with the first relay and connected in series with the first FET. A voltage control circuit is configured to adjust a voltage of the first FET with a first voltage or adjust a voltage of the first FET with a second voltage lower than the magnitude of the first voltage.

Abstract: The present disclosure proposes an apparatus for detecting an error in a coupling between charging devices and a method of detecting an error in a coupling between charging devices. The apparatus includes a voltage generation unit generating voltages that correspond to resistance values, respectively, of a plurality of charging devices that are hooked up to a connector; a comparison unit comparing magnitudes of voltage values of the generated voltages; and a control unit performing control in such a manner that, among the plurality of charging devices, a charging device preset to be matched based on results of comparing the magnitudes of the voltage values is operated only when hooked up to the connector.

Abstract: The present invention includes a CP monitoring unit configured to monitor a CP voltage applied through a CP line from the controller of the slow charging cable when the slow charging cable is connected to an inlet, a mode switching request unit configured to request mode switching to the controller of the slow charging cable by converting the monitored CP voltage to a preset mode switching voltage; a communication switching unit configured to connect a LIN transceiver for LIN communication to the CP line when the controller of the slow charging cable is switched to a LIN communication mode for software update, and a control unit configured to control the LIN transceiver to transmit a pre-stored software update file to the controller of the slow charging cable, so that the controller's software can be updated without disassembling or damaging the controller of the slow charging cable.

Abstract: A charging cable includes: a plurality of pins; a storage configured to store software, which controls communication with a communication device connected through at least one of the plurality of pins, controls communication with a charging object connected through the plurality of pins, controls charging of the charging object and monitors the charging; and a controller configured to: when a first voltage is applied to the at least one pin of the plurality of pins, control to output a pulse width modulation (PWM) signal having a predetermined first duty ratio corresponding to a communication enabled state with the communication device through the at least one pin; and when a second voltage is applied to the at least one pin, change to an update mode and control to output the PWM signal having a predetermined second duty ratio corresponding to the change to the update mode through the at least one pin.

Abstract: A power relay assembly for an electric vehicle and a driving method thereof according to an embodiment of the present invention connect the first switching unit and the second switching unit connected in series with each other in parallel with the relay switch, and by allowing the first switching unit and the second switching unit to include semiconductor switching elements and diodes therein, not only when power is supplied from the battery to the load side, but also when charging is performed by supplying a charging current to the battery, it is possible to supply or cut off power while preventing sparks and arcs at the relay contact point.

Abstract: A system for diagnosing an in-cable control box (ICCB) is installed in a vehicle, electrically connected, at one side thereof, to a low-speed charging cable having the ICCB, electrically connected, at another side thereof, to an on-board diagnostics (OBD) device, and is configured to diagnose the ICCB. The system includes a Control Pilot (CP) data conversion unit configured to receive charging situation data produced from the ICCB; a Controller Area Network (CAN) communication unit configured to receive diagnosis initiating data for the ICCB produced from the OBD device; and a control unit configured to receive the charging situation data from the CP data conversion unit, convert the charging situation data into data recognizable by the OBD device, receive the diagnosis initiating data from the CAN communication unit, and convert the diagnosis initiating data into data recognizable by the ICCB.

Abstract: A power relay assembly is provided and includes a first relay that is connected to a positive end of a battery and a second relay that is connected to a negative end of the battery and connected to the first relay via a DC capacitor. A first Field Effect Transistor (FET) is connected in parallel with the first relay and a second FET is connected in parallel with the first relay and connected in series with the first FET. A voltage control circuit is configured to adjust a voltage of the first FET with a first voltage or adjust a voltage of the first FET with a second voltage lower than the magnitude of the first voltage.

Abstract: Disclosed is a charging apparatus including a first power source connector connectable to a charging station power source, a second power source connector connectable to a commercial power source, a cable connected to the first power source connector and the second power source connector, and a. controller including a power source terminal connected to the first power source connector or the second power source connector via the cable and controlling the intensity of a charging supply current when the first power source connector or the second power source connector is connected to the power source terminal.

Abstract: A power relay assembly for an electric vehicle and a driving method thereof according to an embodiment of the present invention connect the first switching unit and the second switching unit connected in series with each other in parallel with the relay switch, and by allowing the first switching unit and the second switching unit to include semiconductor switching elements and diodes therein, not only when power is supplied from the battery to the load side, but also when charging is performed by supplying a charging current to the battery, it is possible to supply or cut off power while preventing sparks and arcs at the relay contact point.

Abstract: The present invention includes a CP monitoring unit configured to monitor a CP voltage applied through a CP line from the controller of the slow charging cable when the slow charging cable is connected to an inlet, a mode switching request unit configured to request mode switching to the controller of the slow charging cable by converting the monitored CP voltage to a preset mode switching voltage; a communication switching unit configured to connect a LIN transceiver for LIN communication to the CP line when the controller of the slow charging cable is switched to a LIN communication mode for software update, and a control unit configured to control the LIN transceiver to transmit a pre-stored software update file to the controller of the slow charging cable, so that the controller's software can be updated without disassembling or damaging the controller of the slow charging cable.

Abstract: A charging cable includes: a plurality of pins; a storage configured to store software, which controls communication with a communication device connected through at least one of the plurality of pins, controls communication with a charging object connected through the plurality of pins, controls charging of the charging object and monitors the charging; and a controller configured to: when a first voltage is applied to the at least one pin of the plurality of pins, control to output a pulse width modulation (PWM) signal having a predetermined first duty ratio corresponding to a communication enabled state with the communication device through the at least one pin; and when a second voltage is applied to the at least one pin, change to an update mode and control to output the PWM signal having a predetermined second duty ratio corresponding to the change to the update mode through the at least one pin.

Abstract: A light-emitting diode (LED) light fixture with a channel-type heat dissipation system is provided. The LED light fixture includes a plurality of light-emitting devices including LEDs, a heat dissipation unit connected with the plurality of light-emitting devices and having the plurality of light-emitting devices mounted thereon, a casing accommodating the heat dissipation unit and the light emitting devices, a cover connected with the casing, disposed above the plurality of light-emitting devices, and that is light-transmissive, and a ventilation channel through which ambient air passes. The casing has one open surface. The cover is connected to cover the open surface. The heat dissipation unit has an upper surface exposed through the open surface and a lower surface. The plurality of light-emitting devices are connected to the upper surface of the heat dissipation unit and exposed through the open surface.

Abstract: A light-emitting diode (LED) light fixture with a channel-type heat dissipation system is provided. The LED light fixture includes a plurality of light-emitting devices including LEDs, a heat dissipation unit connected with the plurality of light-emitting devices and having the plurality of light-emitting devices mounted thereon, a casing accommodating the heat dissipation unit and the light emitting devices, a cover connected with the casing, disposed above the plurality of light-emitting devices, and that is light-transmissive, and a ventilation channel through which ambient air passes. The casing has one open surface. The cover is connected to cover the open surface. The heat dissipation unit has an upper surface exposed through the open surface and a lower surface. The plurality of light-emitting devices are connected to the upper surface of the heat dissipation unit and exposed through the open surface.