Abstract:
A wireless power reception device can include a first shielding member; a mounting member on the first shielding member; a short-range communication coil on the mounting member; a second shielding member inside the short-range communication coil; a wireless charging coil inside the short-range communication coil; and an alignment hole outside the wireless charging coil, in which the alignment hole penetrates through the first shielding member and the mounting member.
Abstract:
A wireless power transfer system is disclosed. A wireless power transmitting apparatus for wirelessly transmitting power to a wireless power receiving apparatus includes a transmitting coil for transmitting the power, a hall sensor for sensing a change width of flux density caused by the wireless power receiving apparatus, and a controller for comparing the sensed change width of the flux density with a predetermined critical value to determine whether to transmit the power, wherein magnets provided in the wireless power transmitting apparatus and the wireless power receiving apparatus are disposed such that polarities of the magnets are different from each other at opposite faces thereof. In the wireless power transfer system, the magnets having polarities are disposed in the wireless power transmitting apparatus and the wireless power receiving apparatus.
Abstract:
The present invention relates to a magnetic shielding block for a wireless power receiver, and a method of manufacturing same. A method of manufacturing a magnetic shielding block according to an embodiment of the present invention may comprise the steps of: disposing a non-conductive magnetic shielding sheet between a first and second cover tape and laminating same; marking a cutting region on one side of the laminated cover tape; and cutting the marked cutting region.
Abstract:
A wireless power reception device includes an inner coil, a mounting member having the inner coil mounted thereon and a slit formed in an edge of the inner coil, and a first shielding member and a second shielding member laminated on the first shielding member and provided in correspondence with the inner coil, the mounting member being mounted on the first shielding member and the second shielding member. Accordingly, it is possible to improve efficiency of the wireless power reception device.
Abstract:
A wireless power transfer system is disclosed. A wireless power transmitting apparatus for wirelessly transmitting power to a wireless power receiving apparatus includes a transmitting coil for transmitting the power, a hall sensor for sensing a change width of flux density caused y the wireless power receiving apparatus, and a controller for comparing the sensed change width of the flux density with a predetermined critical value to determine whether to transmit the power, wherein magnets provided in the wireless power transmitting apparatus and the wireless power receiving apparatus are disposed such that polarities of the magnets are different from each other at opposite faces thereof. In the wireless power transfer system, the magnets having polarities are disposed in the wireless power transmitting apparatus and the wireless power receiving apparatus. Consequently, the wireless power transmitting apparatus more effectively senses the change width of the flux density to wirelessly transfer power to the wireless power receiving apparatus.
Abstract:
A wireless power receiver is disclosed. The wireless power receiver includes a reception coil for wirelessly receiving AC power, a plurality of shielding members disposed on the reception coil for blocking magnetism, and an adhesive member for adhering the shielding members and the reception coil to each other, wherein the shielding members are made of different materials.
Abstract:
The embodiment relates to an apparatus and a method for receiving wireless power. The apparatus for receiving the wireless power according to the embodiment includes: a coil to receive the power; and a metal member to be detected by the apparatus for transmitting wireless power, wherein the coil has an empty central region, the metal member is disposed in the empty central region of the coil, and the metal member includes a stainless steel plate.
Abstract:
A wireless power receiver includes a coil to receive the power; and a magnet to generate an intensity of a magnetic flux density sensed by a sensor of the wireless power transmitter. The coil has an empty central region. The magnet is disposed in the empty central region of the coil. The magnet includes an electric steel sheet.
Abstract:
A wireless power reception device can include a first shielding member; a second shielding member; a short-range communication coil on the first shielding member; a wireless charging coil on the second shielding member; and a hole outside the wireless charging coil, in which the hole penetrates through the first shielding member.