The present invention discloses a wok device for a intelligent cooking machine, the wok device has a wok, an electromagnetic heating coil, an electromagnetic heating controlling device, a wok rotating device and a wok working position controlling device; the wok rotating device has a rotating sub-controlling system, a motor and a rotating shaft; the rotating shaft is fixedly connected at one end to the lower part of the wok and is connected at another end to the motor, the rotating shaft is rotated under the control of the motor, thus driving the wok to rotate and realizing 360-degree rotation; the motor is electrically connected with the rotating sub-controlling system and works under the control of the rotating sub-controlling system. The present invention further discloses a programmable controlled intelligent cooking machine and a cooking control method thereof.

Methods for heat treating food products include controlling a temperature of a heating element to a maximum temperature correlated to a desired temperature for the food product. A sensed temperature of the heating element may be used to control the maximum temperature. An oven includes a heating element and a temperature sensor configured to sense the temperature of the heating element, and a controller that limits the temperature of the heating element based on output from the temperature sensor.

A cooking device includes a heating coil having at least two windings. A fixing device is provided to fix the heating coil at least partially mechanically in an assembled state. The fixing device includes a support unit and a retaining unit, which in the assembled state fixes each of the at least two windings separately on the support unit.

A cooking appliance apparatus, in particular an oven apparatus, includes a muffle which defines a cooking chamber, and a heating element to heat the cooking chamber at least partially. A switching unit connects the heating element to a first supply voltage in a first operating state and to a second supply voltage in a second operating state, with the second supply voltage being different from the first supply voltage.

A cooking appliance, in particular an induction oven appliance, includes a cavity having a wall, at least one induction heating element, and at least one electrically conductive screening element for screening an electric and/or magnetic field generated by the induction heating element. The induction heating element can be arranged on the wall of the cavity.

A cooking appliance apparatus includes at least one fan unit having at least one fan wheel which is mounted for rotation about a rotation axis. A heating element is provided to heat the fan wheel in at least one operating state, with the heating element being configured as an induction heating element.

Methods for heat treating food products include controlling a temperature of a heating element to a maximum temperature correlated to a desired temperature for the food product. A sensed temperature of the heating element may be used to control the maximum temperature. An oven includes a heating element and a temperature sensor configured to sense the temperature of the heating element, and a controller that limits the temperature the heating element based on output from the temperature sensor.

A low-frequency heating apparatus is provided. The low-frequency heating apparatus includes a signal generator configured to generate an operation frequency for inducing a current through a coil unit surrounding an internal area of a housing of the heating apparatus, a power amplifier configured to amplify power of the operation frequency to a predetermined level and transmit the amplified operation frequency to the coil unit, the coil unit configured to be energized to heat an object provided inside the housing through a magnetic field generated by the current, and at least one processor configured to monitor an impedance value of the coil unit resonating at the operation frequency and control a resonant operation of the coil unit based on the impedance value of the coil unit and an impedance value of the power amplifier.

A programmable controlled intelligent cooking machine comprises: a housing and a wok arranged inside of the housing, electromagnetic heating coils, a wok rotating device, a wok working position controlling device, a wok lid and a wok lid controlling device, an electromagnetic heating controlling device, an ingredient feeding device, an accessory ingredient adding device, a dish discharging device, a wok washing device and a control device, wherein the electromagnetic heating coils wind around the external wall of the wok and heat the wok under the control of the electromagnetic heating controlling device; the wok working position controlling device is used for driving the wok to rotate to respective working positions to perform respective operations; the electrical control device is used for receiving preset recipe commands and sending corresponding control commands; the other devices are connected with the control device respectively so as to receive control commands.

A cooking appliance device includes a heating unit including an induction coil having an electric conductor, a substrate unit, and a fastening unit configured to fasten the induction coil to the substrate unit. The fastening unit fastens the electric conductor in at least one region on the substrate unit such that the electric conductor is movable relative to the substrate unit.