COOKING DEVICE HAVING MULTI-POWER STRUCTURE
    1.
    发明公开

    公开(公告)号:US20230209663A1

    公开(公告)日:2023-06-29

    申请号:US18113824

    申请日:2023-02-24

    Abstract: A cooking device that includes a controller configured to, after being activated, control an operation of the cooking device; a communication unit configured to, after being activated, transmit data to a wireless power transmission device; a pickup coil configured to wirelessly receive power from a transmitting coil of the wireless power transmission device; a rectification unit configured to rectify the an alternating current (AC) of the pickup coil corresponding to the power received by the pickup coil, to produce a direct current (DC); a first capacitor configured to be charged in accordance with the DC current produced by the rectification unit to activate the communication unit; and a second capacitor, having a capacitance greater than a capacitance of the first capacitor, configured to be charged in accordance with the DC current produced by the rectification unit to activate the controller, so that the communication unit is activated before the controller.

    COOKING APPARATUS AND DRIVING METHOD THEREOF

    公开(公告)号:US20210127460A1

    公开(公告)日:2021-04-29

    申请号:US17079351

    申请日:2020-10-23

    Abstract: A cooking apparatus is disclosed. The cooking apparatus includes a cooking plate including a plurality of heating areas, a plurality of induction coils in locations corresponding to each of the plurality of heating areas in the lower part of the cooking plate, a driver supplying currents to each of the plurality of induction coils, and a processor. The processor is configured to, based on a user instruction for turning on a second heating area among the plurality of heating areas being received while a first heating area among the plurality of heating areas is turned on, stop the supply of a current to a first induction coil corresponding to the first heating area among the plurality of induction coils during a threshold time.

    WIRELESS POWER TRANSMISSION DEVICE, METHOD FOR CONTROLLING WIRELESS POWER TRANSMISSION DEVICE, AND WIRELESS POWER SYSTEM

    公开(公告)号:US20230402883A1

    公开(公告)日:2023-12-14

    申请号:US18457014

    申请日:2023-08-28

    CPC classification number: H02J50/80 H02J50/12 H02J50/402

    Abstract: An example wireless power transmission apparatus includes a plate; a first communication module configured to perform wireless communication with an electronic device positioned on the plate; a power transmitting coil configured to transmit wireless power to the electronic device; a driving circuit configured to apply a current to the power transmitting coil; and a processor electrically connected to the first communication module, and the driving circuit. The processor is configured to control the driving circuit to periodically transmit the wireless power through the power transmitting coil, control the first communication module to acquire control information stored in a second communication module of the electronic device for a first time period during which transmission of the wireless power is stopped, and control the driving circuit to adjust the wireless power based on the control information.

    WIRELESS POWER TRANSMISSION APPARATUS AND CONTROL METHOD THEREOF

    公开(公告)号:US20220329112A1

    公开(公告)日:2022-10-13

    申请号:US17697349

    申请日:2022-03-17

    Abstract: A wireless power transmission apparatus includes: a housing; a plate coupled with an upper portion of the housing; a power transmitting coil positioned inside the housing and configured to transmit wireless power to an electronic device put on the plate; a printed circuit board positioned between the plate and the power transmitting coil, and comprising at least one layer in which an antenna and a plurality of Foreign Object Detection (FOD) coils are formed; a processor electrically connected to the power transmitting coil and the printed circuit board; and a switch device configured to perform switching to a connection between the antenna and the processor or a connection between the plurality of FOD coils and the processor.

    HOME APPLIANCE AND COOKING APPLIANCE

    公开(公告)号:US20220117047A1

    公开(公告)日:2022-04-14

    申请号:US17518227

    申请日:2021-11-03

    Abstract: A home appliance includes a case having a first seating portion and a second seating portion, a first coil arranged in the first seating portion and configured to generate induced current to the first seating portion, a second coil arranged in the second seating portion and configured to generate induced current to the second seating portion and having a height lower than a height of the first seating portion, a first inverter arranged in the first seating portion and to supply driving current to the first coil to cause the first coil to generate the induced current, and a second inverter arranged in the first seating portion and to supply driving current to the second coil to cause the second coil to generate the induced current.

    INDUCTION COOKING DEVICE ADOPTING NOISE REDUCTION METHOD

    公开(公告)号:US20250119986A1

    公开(公告)日:2025-04-10

    申请号:US18934539

    申请日:2024-11-01

    Abstract: An induction heating device including a first burner; a first working coil for the first burner; a second burner; a second working coil for the second burner; an inverter including a plurality of switches, the plurality of switches being configured to perform switching so that a current flows through the first working coil and the second working coil; and a processor configured to control the switching by the plurality of switches so that the first working coil has a first operating frequency due to an inductance value of the first working coil and the current flowing through the first working coil, the second working coil has a second operating frequency due to an inductance value of the second working coil and the current flowing through the second working coil, and the first operating frequency differs from the second operating frequency by a predetermined frequency value or more.

    WIRELESS POWER TRANSMISSION DEVICE AND CONTROL METHOD OF THE SAME

    公开(公告)号:US20240195223A1

    公开(公告)日:2024-06-13

    申请号:US18536913

    申请日:2023-12-12

    Abstract: A wireless power transmission device is provided. The wireless power transmission device includes a wireless power transmitter configured to wirelessly transmit power to a cooking appliance, a communication interface configured to establish a wireless communication connection to the cooking appliance, memory storing one or more programs including instructions and transmission frequency information for each of a plurality of cooking appliances including a load, and one or more processors, wherein instructions, when executed by the one or more processors, cause the wireless power transmission device to control the communication interface to receive identification information related to a type of the cooking appliance, determine a limited frequency corresponding to the identification information, based on the transmission frequency information, and set an operation frequency range of first power being transmitted to the cooking appliance in a low-load state in which an operation of a main load of the cooking appliance is stopped, based on the limited frequency.

Patent Agency Ranking