LG Innotek

The present invention relates to an electronic device comprising a novel insulation plate cover and a grounding piece. The electronic device including the insulation plate cover comprises a plate-shaped insulation plate in contact with a semiconductor element, a heat sink protruding in a planar manner and including a protrusion in contact with the insulation plate, and an insulation plate cover coupling the insulation plate and the heat sink. The insulation plate cover may include a hollow frame, a first wall formed inside the frame to surround sides of the protrusion of the heat sink, and a second wall formed outside the frame to surround sides of the insulation plate. The electronic device including the grounding piece comprises a case, a mounting body formed of a conductive metal and protruding in a planar manner from the case, and a grounding piece assembled on the mounting body with a bolt. The mounting body may include a mounting groove concavely recessed on a top surface and a tab hole for receiving the bolt.

An electric vehicle charging control apparatus according to the present disclosure comprises a first power conversion unit configured to convert AC power supplied from a grid into DC power; a second power conversion unit configured to convert the DC power output from the first power conversion unit into charging power; and a relay configured to control the charging power output from the second power conversion unit to be supplied to a battery. The second power conversion unit is configured to receive a power application control signal, and when the second power conversion unit receives the power application control signal, the first power conversion unit and the relay may be driven in parallel.

According to an embodiment of the present invention, there is provided an electronic device including a controller, a controller area network (CAN) communication unit connected to the controller, and a switching unit that is disposed between the CAN communication unit and a CAN bus and switches CAN Low and CAN High of the CAN bus connected to the CAN communication unit based on a control signal, in which the control signal is generated by the controller.

A method of operating an electric vehicle (EV) charger including a power module according to embodiments of the present invention includes determining a required charging amount of an EV, determining the number of power modules required for satisfying the required charging amount of the EV when an EV charger operates power modules at maximum load efficiency, determining whether the number of power modules disposed in the EV charger is greater than the number of determined power modules, determining a load factor that becomes the maximum load efficiency of the power modules when the number of power modules disposed in the EV charger is greater than the number of determined power modules, determining whether the power modules are operable at the determined load factor, and when the power modules are operable at the determined load factor, operating the power modules in consideration of heat generation rates of the power modules, wherein the required charging amount is a charging power amount or a charging voltage.

The electric vehicle charging control device according to the present invention may comprise: a power input unit configured to supply an input voltage; a charging control signal generation unit configured to generate a charging control signal based on the input voltage supplied from the power input unit; and a charging control unit configured to determine characteristics of the charging control signal generated by the charging control signal generation unit, wherein the charging control signal generation unit comprises a plurality of voltage conversion units, and each of the plurality of voltage conversion units converts a voltage by a different voltage conversion scheme. According to the electric vehicle charging control device of the present invention, charging between electric vehicles may be controlled, and efficiency of generating a signal for controlling vehicle-to-vehicle charging may be improved.

An electric vehicle battery charging control device for scheduled charging according to the present invention includes: a communication unit for receiving scheduled charging time information; a first control unit for outputting a charging control signal for controlling the start of scheduled charging based on the received scheduled charging time information; and a second control unit for controlling charging of the electric vehicle battery based on the charging control signal, thereby providing an electric vehicle battery charging control device for scheduled charging. According to the electric vehicle charging control device for scheduled charging of the present invention, scheduled charging can be performed through the first control unit without a separate RTC circuit, and manufacturing cost of the electric vehicle charging control device can be reduced.

Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.

A pump comprises: an external gear, a magnet coupled to the external gear; an internal gear disposed inside the external gear; a support having a portion disposed between the external gear and the magnet; and a bearing coupled to the support, wherein the support includes a protruding part coupled to the inner surface of the bearing.

A lens moving apparatus is disclosed. The lens moving apparatus includes a bobbin equipped with at least one lens, a coil and a driving magnet arranged opposite to each other for moving the bobbin in an optical axis direction of the lens through interaction therebetween, a first circuit board for supplying electric current required by the coil, and a cover can and a base coupled to, contacted to, supported at, fixed to, or temporarily fixed to each other for forming a space in which the bobbin, the driving magnet, and the first circuit board are received, wherein the cover can is connected to a second circuit board having an image sensor mounted thereon.

A camera module comprises a fixed unit comprising first, second, third and fourth magnets. A moving unit comprises coil comprising first, second, third and fourth coil units facing respectively the first, second, third and fourth magnets. A position sensor comprising first, second, third and fourth sensors configured to detect a magnetic field of respectively the first, second, third and fourth magnets. A first controller is configured to receive the first output and the third output and to drive the first and third coil units. A second controller is configured to receive the second output and to drive the second and fourth coil units. The moving unit moves in a direction perpendicular to an optical axis or rotates about the optical axis due to interaction between the first to fourth magnets and the first to fourth coil units.