46 results about "Induction cooking" patented technology

An induction cooking appliance device includes an independent heating unit including an inductor, and a power supply unit configured to provide an alternating current for the first heating unit. The power supply unit includes a configuration unit configured to provide for a change of configuration of the power supply unit between a half-bridge topology and a full-bridge topology for supplying the first heating unit.

An induction cooking apparatus includes a panel forming a cooking surface and a bottom surface. The cooking surface is configured to support a cooking utensil. A housing is in connection with and disposed beneath the cooking surface. The housing forms an enclosure having an internal cavity. The enclosure includes a first side and a second side opposite the first side. A plurality of induction coils is arranged in at least one linear array beneath the cooking surface. A beam structure includes a first end portion and a second end portion. The beam structure is configured to extend across the housing of the cooking apparatus from the first side to the second side and support the plurality of induction coils. A plurality of spring mechanisms connects the first end portion to the first side and the second end portion to the second side.

The invention relates to an induction-compatible cooking vessel (1) and to a method for producing an induction-compatible cooking vessel (1). The cooking vessel (1) here has a base (2) for arranging the cooking vessel (1) in surface contact with an induction cooking appliance and also has a side wall (4) which rises up from the base (2) and adjoins an edge (3) of the base (2), wherein a partially curved transition region (5) is formed between the base (2) and the side wall (4), wherein at least the base of the cooking vessel (1) is formed from aluminium or an aluminium alloy. In order to provide an induction-compatible cooking vessel (1) which allows maximum possible input of heat by induction and at the same time allows an excellent cooking result on account of a sufficiently high thermal conductivity of the material, while fault codes on an induction cooking appliance are also avoided, provision is made for at least part of the transition region (5) to have an induction-compatible coating (6), which is applied by a solid-coating process and is intended to make the cooking vessel (1) suitable for induction and to allow additional active heating of the side wall (4), and for at least part of the side wall (4) to be free of the induction-compatible coating (6) applied by the solid-coating process.

The utility model discloses an induction cooking utensil, which relates to the technical field of cooking utensils, and is characterized in that the induction cooking utensil comprises a glass panel assembly, an infrared temperature measurement module and a heating wire coil, the heating wire coil is detachably connected with a shading piece, and the shading piece is provided with an upper opening and a lower opening; a through hole communicated with the upper opening and the lower opening is formed in the shading piece, the upper opening faces the direction of the glass panel assembly, the lower opening can at least contain part of the infrared temperature measurement module, and when the infrared temperature measurement module is located in the lower opening, an airflow channel exists between the infrared temperature measurement module and the inner wall of the lower opening. According to the utility model, since the gap exists between the shading piece and the infrared temperature measurement module, the gap can reduce heat transmitted from the heating wire coil to the infrared temperature measurement module, and air circulation is realized through the through holes, so that the heat dissipation efficiency in the sealing cavity can be effectively improved, and the temperature in the cavity can be reduced; the reduction of the temperature in the cavity is helpful for reducing the loss of the infrared temperature measurement module caused by overheating, thereby prolonging the service life of the infrared temperature measurement module.

1. Name of the design product: Intelligent induction cooking stove (FM05 round). 2. Use of the design product: Utensil for cooking. 3. Design points of the design product: The combination of shape and pattern. 4. Picture or photograph that best shows the design points: Perspective view.

Induction cooking appliance (1; 61; 81; 91), comprising at least one IR sensor (32) arranged beneath a cooking surface (15) with an IR sensor element (43) for detecting infrared light (IR) from a piece of cookware (12) placed on the cooking surface (15), wherein at least one IR reflector (49, 54; 82; 92) arranged beneath a cooking surface (15) is optically connected upstream of the IR sensor element (43), wherein at least one IR reflector (49, 54;92) is designed to focus the infrared light (IR) emitted by the cooking utensil (12) onto the IR sensor element (43) or onto an area in the vicinity thereof, wherein at least one IR reflector (49, 54) represents a part of the IR sensor (32), wherein at least one IR reflector (49, 54) has an electrically conductive sleeve (47) laterally surrounding at least the IR sensor element (43), characterized in that at least one IR reflector (49, 54) is plugged onto a housing (42) surrounding the IR sensor element (43), wherein the connection between the at least one IR reflector (49, 54) and the housing (42) is a clamping or pressing connection and / or an adhesive connection.;

A method for controlling a quasi-resonant inverter (13) in an induction cooking appliance (1) provided with an induction heating coil (4) is disclosed. The quasi-resonant inverter (13) comprises a switching device (21) electrically connected to the induction heating coil (4) through a node (20) having a first voltage (VC(t)) indicative of a voltage across the power switching device (21). The method comprises the steps of: providing an enabling signal (K1) comprising a plurality of pulses to the switching device (21) in order to turn on and off said switching device (21) within a turn-on period (tON) and a turn-off period (tOFF); determining a second voltage (VCmin) indicative of a minimum value of the first voltage (VC(t)) during the turn-off period (tOFF); adjusting the turn-off period (tOFF) based on the second voltage (VCmin); and adjusting the enabling signal (K1) based on the adjusted turn-off period (tOFF).

An induction cooking hob (1) for thermally treating a food product (5) comprising a liquid; the induction cooking hob (1) comprises: at least one heating zone (3) configured to receive a cookware (4) containing a food product (5) to be heat treated and comprising an induction coil (9) and a power converter (10) configured to supply electrical power to the induction coil (9) in order to generate a time-varying electric field suitable for heating the cookware (4); a sensor assembly (14) configured to provide an electrical signal relating to at least one physical quantity associated with a thermal treatment of the food product (5); and a control unit (6) operatively connected to the power converter (10) and the sensor assembly (14) and configured to determine when a dry cookware condition occurs due to liquid evaporation during thermal treatment of the food product (5) based on an electrical signal provided by the sensor assembly (14).

To provide a disposable cooking cover for preventing oil stains and the like from scattering around a frying pan or a pot. [Solution] A cooking cover (1) for a circular frying pan (2) or pot, consisting of a cylindrical piece of paper and a notch (6) at the bottom of the cylindrical piece of paper, wherein the cylindrical piece of paper is at least 15 cm high and has a diameter larger than that of the circular frying pan or pot, and furthermore the cylindrical piece of paper is made of ordinary paper that is not coated with a non-flammable material, and the notch is at least 5 cm high enough to accommodate the handle of the circular frying pan or pot, or a notch that allows air to enter to generate an updraft, and can be used with an induction cooking heater.

An induction cooking appliance includes a cooktop that includes a heating element. The heating element includes an induction coil. The induction cooking appliance also includes a cooling fan, a temperature sensor, and a controller in communication with the temperature sensor. A method of operating the induction cooking appliance includes the controller performing a cooking operation. The cooking operation includes activating the heating element of the induction cooking appliance. The method also includes monitoring a temperature with the temperature sensor during the cooking operation. The method further includes operating the cooling fan based on the monitored temperature of the temperature sensor.

The invention relates to an induction cooking device. The induction cooking device comprises: a bearing base provided with a control unit and configured to be arranged below a console; and-a frame connected in use to the carrier base and configured to be placed in an opening arranged in the console, where the frame comprises an induction device comprising an induction coil for heating by induction a pot placeable on the frame, where the induction device is connectable to the carrier base.

A household appliance (10), particularly a cooking appliance, more particularly a cooking hob, even more particularly an induction cooking hob, comprises a first circuit board (22) and a second circuit board (22) or a first circuit board (22) and a mains connection unit (36), particularly a mains terminal block or a power supply box. These pairs of units (22, 36) are electrically connectable by a connection means comprising at least one connection line (40, 60). The first circuit board (22) comprises a first electrical connector (52, 62) for an electrical connection for power and / or information transmission. The first electrical connector (52, 62) of the first circuit board (22) is equippable with the connection line (40, 60) after arrangement of the first circuit board (22) in a housing (12) of the household appliance (10), preferably after arrangement of the first and second circuit boards (22) or of the first circuit board (22) and the mains connection unit (36) in the housing (12). At least the first circuit board (22) is arrangeable or arranged in the housing (12) of the household appliance (10) at a predefined position in a way that also the first electrical connector (52, 62) is arranged at a predefined position and the first electrical connector (52, 62), which is arranged at said predefined position, is accessible for the equipment with the connection line (40, 60) from above, preferably for an automated equipment in a top down movement, particularly by an equipment robot.

The utility model discloses an induction cooking utensil and a shading structure. The induction cooking utensil comprises a cooking body, an infrared temperature measurement module and the shading structure. The cooking main body is provided with a glass panel for placing cookware and a heating wire coil arranged below the glass panel; the infrared temperature measurement module comprises an indium gallium arsenic infrared detection head and a circuit board, and the indium gallium arsenic infrared detection head is installed on the circuit board and electrically connected with the circuit board; the infrared temperature measurement module is installed on the shading structure and used for shielding ambient light for replacing the indium gallium arsenic infrared detection head, and the shading structure is provided with a fixing part connected with the heating wire coil. According to the technical scheme, the infrared temperature measurement module is installed on the shading structure, the shading structure is connected to the heating wire coil through the fixing part of the shading structure, so that the infrared temperature measurement module can be installed on the induction cooking utensil, when an induction cooking utensil manufacturer applies the infrared temperature measurement module, a coil panel and a whole machine shell do not need to be independently opened, and the production cost is reduced. And the installation can be realized only by the original structure.

An induction heating system for an induction cooking appliance is provided. The induction heating system includes an induction coil system operable to inductively heat a load with an induction coil. The induction heating system further includes a noise rejection circuit configured to determine an output signal indicative of one or more induction coil parameters of the induction coil system based at least in part on a measurement signal indicative of a voltage at a first node of the induction coil system, the first node defined between the induction coil and one or more resonant capacitors of the induction coil system, and one or more noise signals indicative of a voltage at one or more second nodes of the induction coil system.

An induction heating system for an induction cooking appliance is provided. The induction heating system includes a plurality of coils operable to inductively heat one or more loads. The induction heating system further includes one or more inverters operable to provide an alternating current. The induction heating system further includes an auxiliary load detection circuit. The induction heating system further includes a plurality of switching devices operable to switch each coil of the plurality of coils from the one or more inverters to the auxiliary load detection circuit. The induction heating system further includes a controller configured to control one or more first switching devices of the plurality of switching devices to operate one or more first coils of the plurality of coils in a test mode, wherein in the test mode, the controller controls the one or more first switching devices to switch the one or more first coils from the one or more inverters to the auxiliary load detection circuit.

1. Name of the Design Product: Intelligent Induction Cooking Stove (FM02 Round). 2. Use of the Design Product: Utensil for cooking. 3. Design Key Points of the Design Product: The combination of shape and pattern. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The present invention relates to a sensor means (11, 35, 49, 71) or module for determining a particularly elastic displacement or deflection or bending of a panel (3), in particular a glass panel, or of a section of a panel or of an insert in relation to the panel (3). The sensor means (11, 35, 49, 71) or module and the panel (3) or said section thereof forming a weighing means, in particular a scale. The sensor means (11, 35, 49, 71) or module is adapted to be integrated in or allocated to a household appliance (1), in particular a cooking hob, more in particular an induction cooking hob, and comprises or is connected to at least one processing and / or interpretation and / or compilation means, preferably for providing a particular high sensor sensitivity and / or evaluation unit accuracy. Further, a household appliance (1) is disclosed which comprises an at least approximately horizontal panel (3), in particular a glass panel. The panel (3) is part of or is in functional connection with a scale for weighing an item (15) placed on the panel (3). Finally, the invention relates to a method for determining the weight of an item (15) on an at least approximately horizontal panel (3) of a household appliance (1), in particular on a top panel (3) of a cooking hob. An acceleration of a panel (3) section or of a panel reference point or reference area, in particular a reference point or a reference area on a panel surface (7), is estimated or determined during a displacement or deflection or bending of the panel section or the panel reference point or reference area due to a placing of the item (15) on the panel.

The invention discloses an induction type cooking device suitable for the hesitant requirement. The induction cooking appliance comprises: a surface (2); a copper coil (3); a generator (4); a dedicated controller (8); a main controller (5); initializing the component (10); and an adapter (11); wherein the generator (4) is configured to receive instructions from the dedicated controller (8) to provide a current to the copper coil (3) during a specific time frame programmed in the dedicated controller (8); wherein the copper coil (3) is adapted to generate magnetic induction as a result of receiving a current from the generator (4); wherein the adapter (11) comprises an iron layer or an iron-containing alloy layer placed above the surface (2) and is designed to receive the magnetic induction from the copper coil (3) and to generate heat due to the magnetic induction, so that within the specific time frame, food in a cooking vessel placed on the adapter (11) can be heated or cooked, the current change is not caused when the cooking container is placed or moved away; and wherein the initialization means (10) is adapted to check, when the current supply of the induction cooking appliance is resumed, whether the dedicated controller (8) is in a "Sunday" state, and to operate the dedicated controller (8) if it is in the "Sunday" state, and wherein the initialization means (10) is adapted to initialize the dedicated controller (8) if it is in the "Sunday" state; wherein the dedicated controller (8) is adapted to, according to an operation plan of the dedicated controller (8), restore the operation of the induction cooking device to the same state as the operation state of the induction cooking device when the current supply is stopped.

The invention relates to a method for operating an induction hob (1). The induction hob (1) comprises at least two cooking zones (4, 6). The method comprises:-providing at least two different pre-programmed cooking schemes (B, G, F, S, W) for selection by a user for controlling a respective cooking zone (4, 6) according to a predefined heating process,-assigning a different priority value to each cooking scheme (B, G, F, S, W), and-assigning a different priority value to each cooking scheme (B, G, F, S, W) when a respective cooking scheme (B, G, F, S, W) is selected for at least two cooking zones (4, 6). The heating power (P) is transferred to the respective cooking zone (4, 6) as a function of the assigned respective priority value.

A method for determining a phase in an induction cooking appliance is provided. The method may include determining a measured phase value indicative of a phase difference between an induction coil current and a voltage across a resonant tank of the induction cooking appliance. The method may further include obtaining a phase error of the measured phase value using a phase error approximation model. The method may further include adjusting the measured phase value based, at least in part, on the phase error approximation model to determine an output signal indicative of the induction cooking appliance.

To provide an induction heating cooker capable of efficiently heating a heating object.SOLUTION: An induction heating cooker according to the present disclosure includes a top plate, a coil unit, and a controller. The coil unit includes a plurality of coil pieces disposed in the heating region. The heating region has a plurality of coil arrangement regions defined by an outer peripheral line defining an outer periphery of the heating region and a plurality of boundary lines extending from a center of the heating region toward the outer periphery. The coil piece is disposed in the coil arrangement region. The controller is capable of switching between a plurality of heating states having different local strength distributions of heating to the object to be heated by controlling a parameter of a current while causing the current to flow through the plurality of coil pieces, has a plurality of heating sequences in which one or more heating states are combined, acquires a cooking mode, and switches between the plurality of heating sequences according to the cooking mode.SELECTED DRAWING: Figure 1

The invention relates to a distance induction control method of a range hood, the range hood and a device, and belongs to the technical field of intelligent kitchen appliances. The method comprises the following steps: obtaining a reference capacitance value of an induction coil key according to a first real-time capacitance value, determining whether to trigger an induction coil key or not according to the second real-time capacitance value, the reference capacitance value and a preset distance capacitance threshold value, and determining whether to release the induction coil key or not according to the second real-time capacitance value and the reference capacitance value; according to the technology, the reference capacitance value is firstly calculated after the range hood is started, and the induction coil key can be triggered or released according to the real-time capacitance value change caused by the distance between the hand and the induction coil key, so that various functions of the range hood can be controlled, and non-contact control of all the functions of the range hood can be realized; and the use experience of the user is effectively improved.

Method to control a quasi-resonant inverter (13) in an induction cooking appliance (1) provided with an induction heating coil (4). A switching device (21) is electrically connected to the induction heating coil (4) by a node (20) having a first voltage (VC(t)) which is indicative of the voltage across the power switching device (21). The method includes: providing to the switching device (21) an enabling signal (K1) comprising a plurality of pulses, in order to switch-on and switch-off the switching device (21) for a switch-on period (tON) and a switch-off period (tOFF), determining a second voltage (VCmin) indicative of the minimum value of the first voltage (VC(t)) during the switch-off period (tOFF), regulating the switch-off period (tOFF) based on the second voltage (VCmin), and regulating the enabling signal (K1) based on the regulated switch-off period (tOFF).

The utility model relates to an induction cooking stove frame which comprises a body, the body is arranged on a supporting panel, and at least an induction module and a flat cover element made of glass or ceramic are arranged in the supporting panel. The flat cover element is designed to receive a container to be heated and to cover the body. According to the invention, a sensing module is arranged inside the body, which sensing module is tightly pressed against the cover element on one side and, on the other side, which sensing module cooperates with the bottom of the body facing away from the cover element by means of a plurality of supports. Each of the plurality of supports includes a removable deformable element and extends substantially perpendicular to the sensing module, a projection holding the deformable element in position, where each of the projections of the plurality of supports is formed with a wedge-shaped section in its longitudinal direction.

The utility model discloses an induction cooking utensil, relates to cooking utensil technical field, its technical scheme key point is: including shell, heating wire coil and infrared temperature measurement module, shell includes lower cover and glass panel subassembly, the lower cover is provided with the baffle rib, the baffle rib encircles the closed or semi-closed area, the infrared temperature measurement module is located in baffle rib encircle area, the infrared temperature measurement module is located in the glass panel subassembly, the infrared temperature measurement module is located in the glass panel subassembly, and the infrared temperature measurement module is located in the glass panel subassembly. A closed or semi-closed area is defined by the blocking ribs, the infrared temperature measurement module is located in the area defined by the blocking ribs, and the height of the blocking ribs is larger than or equal to the height of the installed infrared temperature measurement module. According to the utility model, through the arrangement of the blocking ribs, the blocking ribs can prevent interference light from the heat dissipation holes from the side surface from directly irradiating the detector, thereby reducing interference and ensuring the detection precision of the detector.

The utility model relates to the technical field of cooking utensils, and discloses an induction cooking utensil which comprises a cooking main body, an infrared temperature measurement module and a shading body with a light channel, and the cooking main body is provided with a glass panel used for placing cookware and a heating wire coil arranged below the glass panel; the infrared temperature measurement module comprises an indium gallium arsenic infrared detection head and a circuit board, the indium gallium arsenic infrared detection head is installed on the circuit board and electrically connected with the circuit board, and the circuit board and the heating wire coil are both electrically connected with the control assembly. The shading body on the heating wire coil and the coil panel are integrally formed; according to the utility model, the shading body is arranged on the heating wire coil, so that the influence of external ambient light on the detector is reduced; and an airflow channel is reserved between the infrared temperature measurement module and the shading body of the heating wire coil, so that airflow can pass through the airflow channel, and the heat dissipation effect is improved.

A circuit apparatus for an induction cooktop including at least one induction coil. At least one first circuit board extends along a first plane. At least one second circuit board extends along a second plane and is rigidly connected with the at least one first circuit board. Power circuitry is disposed on the at least one first circuit board and is configured to supply power to the at least one induction coil. Switching circuitry is disposed on the at least one second circuit board and is electrically interposing the power and control circuit and the at least one induction coil. The switching circuitry supplies a drive signal to the at least one induction coil. A control circuit is disposed on the at least one first circuit board and is configured to control the switching circuitry.

A bipolar discharge circuit (1) for sensing a cooking zone (Z) to heat and detect a cookware (W), the bipolar discharge circuit comprising: a line mains supply terminal (T1) for connection to a mains supply line (L) of a mains supply AC power source (2) and a neutral line mains supply terminal (T2) for connection to a mains neutral line (N) of the mains supply AC power source (2); a rectifier (3) connected to the line mains connection (T1) and the neutral mains connection (T2); and a DC bus capacitor (6) connected to the rectifier (3). The DC bus capacitor (6) comprises a positive capacitor terminal (H1) and a negative capacitor terminal (H2) for connection to the induction cooking zone (Z). A switching circuit (9) is provided and is configured to discharge the DC bus capacitor (6) via the line mains terminal (T1) and the neutral mains terminal (T2).

An induction heating system for an induction cooking appliance is provided. The induction heating system includes a bus capacitor configured to receive direct current (DC) power. The induction heating system further includes a first inverter system operatively coupled to the bus capacitor, the first inverter system configured to energize a first coil based at least in part on the DC power. The induction heating system further includes a second inverter system operatively coupled to the bus capacitor, the second inverter system configured to energize a second coil based at least in part on the DC power. The first inverter system is further configured to at least partially discharge the bus capacitor based at least in part on a start-up time of the second inverter system.