1111 results about "Induction cooking" patented technology

An outdoor multi-method cooker for preparing a wide variety of different foods at the same time using selective convection, radiant, or conduction cooking operations with or without smoke, or combinations thereof, using a single heat source. The cooker has a horizontal central longitudinal chamber with a firebox at one end and a pair of stacks at the opposed end, a main oven, a pair of lateral smokeless ovens, a warming compartment, and a griddle above the firebox, all disposed transversely on the longitudinal chamber in parallel spaced relation, and a steam table along the upper portion of the longitudinal chamber. The cooker operates on the principle of equalization of natural differential pressures caused by rising warmer air, similar to the draw created by the upper portion of a fireplace, for drafting hot gases or smoke laden hot gases from the combustion source and selectively routing it through passageways into and around the various components.

An induction cook top with a heat management system is disclosed. The heat management system controls heat produced both internally by the electronic components within the cook top as well as heat produced above the cook top when cooking. The heat management system provides improved air flow past and around the internal electronic components. The cook top features an efficient removal of generated heat and may optionally provide a vented housing and direct airflow into and out of the housing or provide a thermoelectric cooling device which permits a ventless housing.

The invention discloses a temperature measuring device and a temperature measuring method of an electromagnetic oven cooker. The temperature measuring device comprises an electromagnetic oven, a cooker, a temperature sensor, a temperature detecting circuit, an electromagnetic oven control circuit and a direct current power supply for providing electricity for the temperature sensor and the temperature detecting circuit; the temperature sensor, the temperature detecting circuit and the direct current power supply are all arranged on the cooker; the temperature sensor is electrically connected with the temperature detecting circuit. The temperature measuring device also comprises a first radio receiving and transmitting device and a second radio receiving and transmitting device; the first radio receiving and transmitting device is arranged on the cooker and respectively electrically connected with the temperature detecting circuit and the direct current power supply while the second radio receiving and transmitting device is arranged in the electromagnetic oven and electrically connected with an electromagnetic oven control circuit. Because the radio receiving and transmitting devices are arranged on the cooker and the electromagnetic oven respectively, the cooker and the electromagnetic oven are accurately matched; therefore, the problem of confused information transmission of radio devices for the multiple cookers or ovens is solved, immediate and accurate property for temperature measurement is improved, and phenomena of oil smoke and food burning caused by overhigh temperature are prevented.

An induction heating cooker includes a surface, a heating coil for inductionally-heating a load pan, an inverter for supplying a high-frequency current to the heating coil, an infrared detector which detects infrared radiation emitted from the load pan and is located under a top plate, a first temperature detector for detecting a temperature of the load pan based on an output of the infrared detector, a heating controller for controlling a power output from the inverter, a thermo-sensitive element for receiving heat from the top plate, and a second temperature detector for detecting a temperature of the load pan based on an output of the first thermo-sensitive element. This induction heating cooker detects a temperature change of the load pan accurately by detecting an infrared radiation from the load pan, and detects the temperature of the load pan by the heat conduction from the pan even if ambient light enters.

The invention discloses an electric cooker comprising a double-layer boiler body with a handle and an electromagnetic oven body, wherein the boiler body comprises a first temperature sensor, a first temperature measuring circuit, a wireless signal transmitting circuit and a direct-current power supply, and the electromagnetic oven body comprises a wireless signal receiving circuit, a temperature control circuit, a drive circuit, an electromagnetic coil and a power circuit. The invention adopts the technical scheme that the temperature sensor is arranged on the boiler body, the temperature control circuit receives temperature signals on the boiler body and controls the output power of the drive circuit according to the temperature signals of the boiler body so as to control the heating temperature of an electromagnetic oven, and then the precise temperature control on heated foods can be realized. In addition, the electromagnetic oven body also comprises a second temperature sensor and a second temperature measuring circuit; and the temperature control circuit can also receives the temperature signals of the electromagnetic oven body and controls the output power of the drive circuit according to the temperature signals of the electromagnetic oven body, thereby realizing the control on the heating temperature of the electromagnetic oven.

The invention provides a pot, an induction cooker, a stove assembly and an information indicating method. The pot comprises at least one temperature probe arranged in a pot interlayer of the pot, and a pot control circuit; the pot control circuit is used for receiving first temperatures detected by the temperature probes from the temperature probes according to a preset period, obtaining a second temperature according to the first temperatures through a preset algorithm, and sending the second temperature to the induction cooker. The temperature probes are arranged in the pot interlayer, so that the accuracy of temperature detection is improved; meanwhile, the second temperature for indicating the pot is obtained by obtaining the first temperatures according to the first temperatures, the accuracy of temperature detection can be further improved, and the problems that a plurality of first temperatures are sent to the induction cooker, accordingly the calculation amount of the induction cooker for calculating the temperature of the pot according to the first temperatures is large, and the response speed is low are avoided. Meanwhile, the transmission data amount between the pot and the induction cooker is reduced, and the transmission efficiency is improved.

An indoor or outdoor induction cook top with a heat management system is disclosed. The cook top controls heat generated by various components, including the electronic controller, mechanical controls, and the induction generators. The heat management system provides precise temperature control and an efficient way of removing heat from the cooktop. The cook top construction provides the ability to incorporate a smooth ceramic glass cook top and a number of induction hobs in multiple arrangements. The cook top also features a reduction in the number of components, the efficient removal of generated heat, the reduction of noise, an increase in performance and a barrier airflow director. Consequently, the cook top may be installed in a countertop without the need for venting above the counter.

The invention discloses an induction cooker heating device. A main control chip module (10) connected with a heating control circuit is arranged in a cooker body (1), and the cooker body is provided with a circuit coupling interface A (3) of the heating control circuit. A sensor module (40) is arranged in a pot body (2), and a circuit coupling interface B (3) electrically connected with the sensormodule is arranged in the bottom of the pot body. When the bottom seat of the pot body is on the top of the cooker body, the circuit coupling interface B is jointed with the circuit coupling interface A, so that the main control chip module can be electrically connected with the sensor module so as to control heating. An induction cooker of the induction cooker heating device can be used alone orconduct combined use, the functions are complete, and the individual placement space of the induction cooker is saved. The assembly structure is consistent with user usages. During assembly, whetherthe pot body is assembled in place or not can be detected and short-circuit protection can be realized through a pot assembly detection module and a switching circuit module. Thus, the damage of a main control chip is prevented, and the equipment safety and reliability is high.

An indoor or outdoor induction cook top system with integrated downdraft or telescoping ventilator uses cross flow or centrifugal blower technology. The system is controlled by an electronic or mechanical controller through a touch device, a slide, or knob. These provide precise control and an efficient way of removal of gases / fumes. A smooth glass cook top incorporates the induction hobs and a downdraft. The ventilator's blower assembly has a fan and a filter. The system uses sensors to detect temperature, fire, effluent, filter change requirements, fan speed, power, and voltage. The system has programmable operations and numerous set points.

The invention discloses a control circuit for cookware material judgment and a method thereof. The method comprises the following steps: when an electromagnetic heating device works, a control unit controls an IGBT (Insulated Gate Bipolar Transistor) so as to enable a heating unit to heat; a signal generating unit outputs pulse signals to an MCU (Micro Controller Unit) of the control unit correspondingly according to the on / off state of the IGBT; the MCU records the input pulse signals and converts the pulse signals into frequency M; the frequency M is compared with preset frequency threshold N, and the type of cookware is determined to be A when the frequency M is higher than the preset frequency threshold N; the type of the cookware is determined to be B when the frequency M is less than or equal to the preset frequency threshold N; and the MCU adjusts related heating parameters according to the determined type of the cookware, so as to enable the electromagnetic heating device to adjust a heating state. The control circuit and the method have the advantages that an electromagnetic oven can be adjusted into a working state corresponding to the material of the cookware, the material of the cookware is judged in good time so as to carry out error check, and the like; and the material of the cookware is accurately updated so as to adjust the heating state and increase the heating efficiency.

The invention relates to the technical field of electromagnetic oven heating and provides electromagnetic heating equipment. The electromagnetic heating equipment comprises an electromagnetic heating unit, an infrared heating unit and an MCU. The MCU is connected with the electromagnetic heating unit and the infrared heating unit and is used for controlling the electromagnetic heating unit and the infrared heating unit to conduct heating separately or simultaneously. The electromagnetic heating equipment comprises the electromagnetic heating unit and the infrared heating unit, therefore, heating appliances with different materials can be heated, and application of the electromagnetic heating equipment is wide and not limited. In addition, the electromagnetic heating equipment comprises the infrared heating unit, and hence the maximum heating power of the electromagnetic heating equipment is not limited by the maximum heating power of a coil disc.

The invention relates to a one-key intelligent cooking induction cooker comprising a cooker body. The one-key intelligent cooking induction cooker is characterized in that the cooker body is providedwith a function key; the cooker body is internally provided with a power unit, a temperature detection unit, a timing unit, a behavior judgment unit, a cooking control unit and a temperature compensation unit, and the signal output end of the function key is connected to the control signal input end of the power unit and the signal input end of the timing unit; the signal output end of the temperature detection unit and the signal output end of the timing unit are each connected to a signal input end of the behavior judgment unit, and the signal output end of the behavior judgment unit is connected to the input end of the cooking control unit and the input end of the temperature compensation unit; the output end of the cooling control unit is connected to the feedback input end of the power unit, so that a close control loop is formed; the behavior judgment unit is provided with a logical judgment structure for sensing cooking behaviors, types of cooking ingredients and food cooking degree, so that a one-key intelligent cooking structure is formed. The one-key intelligent cooking induction cooker has the characteristics of the simple structure, easy operation, various dishes and the like.

Embodiments of an exemplary induction cooktop apparatus or system, may include an induction cooking unit; an interface adapted to receive, store, and execute a plurality of instructions of a multistage programmable recipe using said induction cooking unit; a power supply adapted to be coupled to a power source; a controller coupled to said power supply, said interface, and said induction cooking unit adapted to control said induction cooking unit according to said plurality of instructions of said multistage programmable recipe. An embodiment may include a system, method, and computer program product comprising: an induction cooking unit; receiving at an interface a plurality of instructions of a multistage programmable recipe; storing instructions in a memory; executing instructions in a controller coupled to the memory and induction cooking unit, so as to control the induction cooking unit in accordance with instructions of the multistage programmable recipe.

PCT No. PCT / JP97 / 00792 Sec. 371 Date Sep. 11, 1998 Sec. 102(e) Date Sep. 11, 1998 PCT Filed Mar. 13, 1997 PCT Pub. No. WO97 / 34446 PCT Pub. Date Sep. 18, 1997A high-frequency inverter having a simple circuit construction capable of executing a constant-frequency operation and a zero-volt switching operation and an induction heating cooker using the high-frequency inverter are disclosed. The high-frequency inverter is comprised of an inverter circuit for converting a direct current from a DC power source into a high-frequency current and a control circuit for controlling the inverter circuit. The inverter circuit is comprised of: a one-transistor inverter constructed of a heating coil whose one terminal is connected to one terminal of a DC power source, a first switching element connected in series between the other terminal of the heating coil and the other terminal of the DC power source, and a first resonance capacitor connected so as to form a resonance circuit with the heating coil; and a series circuit connected in parallel with the heating coil and constructed of a second switching element and a second resonance capacitor.

The invention relates to an induction cooker control circuit suitable for cookers of different materials. The induction cooker control circuit comprises an IGBT (Insulated Gate Bipolar Translator), an IGBT driving module, an LC (Launch Control) resonance circuit, a central processing unit, a synchronous sampling circuit and a sampling circuit, wherein the LC resonance circuit is connected with the IGBT, and the central processing unit is connected with the IGBT driving module; the synchronous sampling circuit is electrically connected with the LC resonance circuit; and the sampling circuit is connected with the central processing unit and provides current and voltage signals. The control circuit also comprises a resonance frequency sampling circuit which is used for sampling a resonance frequency generated when the cookers of different materials work. The sampling point of the resonance frequency sampling circuit is arranged at the output end of the synchronous sampling circuit, and the output end of the resonance frequency sampling circuit is connected with the central processing unit. The output power and a power preset value are compared and the collected resonance frequency and a resonance frequency preset value are compared to judge whether the resonance frequency is beyond the resonance frequency range of safe working of an induction cooker or not. The output power of an electromagnetic coil is adjusted through the IGBT, so that a main loop working current works in a rated range, and therefore the safe working of the induction cooker is protected.

An electric conductor provided for decreasing a lifting force exerted on an object being heated has an aperture of a small diameter in the center thereof, which leaves a large surface area to enhance reduction of the lifting force. The electric conductor is also provided with a comb section around the aperture for preventing a circling current induced in the electric conductor from flowing into an area around the aperture. This structure can thus alleviate excessive heating around the aperture, and allow the heating coil to produce a high output power for a long duration of time even when an inwardly concaved pan is used.

The invention discloses a convection heating control method of an electromagnetic oven, which is realized on the basis of a heating control device. The heating control device comprises a temperature detecting member, a heating member and a control member, wherein the heating member comprises at least two independent control electromagnetic coils, and the control member comprises a main controller, a timer and a presetting memory. The convection heating control method includes a heating-up stage A and a convection heating stage B. In addition, the invention aims to provide the heating control device for realizing the convection heating control method of the electromagnetic oven. Compared with the prior art, the invention controls the heating power proportioning of electromagnetic trays to drive a plurality of electromagnetic coils to alternatively and circularly heat a pot through distinguishing the volumes of heated foods and controls the heating coils in different positions to alternatively heat to enable the heated points of the pot to be changed along with the heating coils so that liquid in the pot is promoted to boil and convect, the foods are heated without blind angles and are uniformly heated, the nutriments of the foods can also be fully mixed, and the foods can be fully seasoned.

The invention discloses a synchronization control method for an electromagnetic oven and a circuit thereof. The circuit includes a rectification filter circuit, a resonance circuit, a switch device, a drive circuit, a synchronizing signal circuit and a MCU control unit. The synchronization control method is: a synchronizing signal circuit detects the resonance voltage of a resonance circuit; when the resonance voltage decreases to a set value, the synchronizing signal circuit generates a synchronizing interrupt pulse signal; the MCU control unit detects the synchronizing interrupt pulse signal and outputs a high level continuity signal with specific width to a drive circuit, which controls the conduction of the switch device; after the high level continuity signal finishes, the switch device intercepts and the resonance circuit generates a resonance; and repeats the process. The invention adopts the MCU control unit to output the high level continuity signal to the drive circuit, in order to directly control the conduction and interception of the switch device, exerts the advantage of MCU stable working frequency and improves the synchronization course precision, with the advantages of simple circuit, convenient debugging and low cost.

Provided are a converter circuit which can be made compact and lightweight while reducing switching loss, and a motor drive controller equipped with the converter circuit, an air conditioner, a refrigerator, and an induction cooking heater. The converter circuit comprises a rectifier (2), a step-up converter (3a) having a step-up reactor (4a), a switching element (5a) and a reverse current prevention element (6a), a step-up converter (3b) having a step-up reactor (4b), a switching element (5b) and a reverse current prevention element (6b) and being connected in parallel with the step-up converter (3a), a switching control means (7) for controlling the switching elements (5a, 5b), and a smoothing capacitor (8) provided at the output of the step-up converters (3a, 3b), wherein the switching control means (7) switches the current mode of a current flowing through the step-up reactors (4a, 4b) to any one of a continuous mode, a critical mode or a discontinuous mode based on predetermined conditions.

A ceramic pot for electromagnetic over is composed of pot body and pot bottom, and features that on the lower surface of said pot bottom there is a film layer of 0.3-0.9 mm in thickness, which contains Ag, Cr and Fe. Its advantages are high thermal efficiency and high insulating performance.

The invention discloses a method for thermal spraying of a composite bottom layer of an aluminum pan of an electromagnetic oven, which is used in the manufacturing industry of food cookers and is as shown by a drawing appended to the abstract. A magnetic composite layer with a certain thickness is formed by using an automatic spraying method, designing the joint of a coating and the pan bottom into a concave mosaic structure and spraying a magnetic material (pure iron, iron alloy or 430 stainless steel) to the bottom of the aluminum pan so as to meet the operating requirements of the electromagnetic oven. According to the requirements of a product, one or more material (copper, stainless steel, aluminum, nickel, chromium or ceramic) coatings with different thicknesses or functions can be sprayed to realize aesthetic property, practicability and functionality of the electromagnetic oven pan to ensure that the pans for the electromagnetic oven become various middle-grade and high-grade series products.

To reduce the air exhausted to outside a main body after cooling a heat generating component from being taken in again from an intake port. The flow of cooling wind cooled the heat generating component is discharged from an exhaust port 21 at other than a first peripheral wall 19 with the flow bent inside the main body. When rectified inside the main body and discharged from the exhaust port 21, the cooling wind grows to a flow speed of a certain extent to become an exhaust air that a flowing direction is clearly defined, so that it is less likely to be taken in again from the intake port 20, it is less likely to be subjected to the influence of obstacles of the exhaust port, use can be made in a kitchen cabinet of the intake and exhaust air at the back side, and it is satisfactory and is less likely to be damaged without involving sense of unpleasantness by the exhaust air to the user.

In summary, the invention is a method of producing an edible food product. The method includes the step of forming a vessel core with a first material having a first level of susceptibility to heating by induction. The method also includes the step of casting an apron of a second material with a second level of susceptibility to heating by induction lower than said first level around at least a first portion the vessel core in an in situ casting process to form a clad cooking vessel having a cooking surface. An uncooked food product is then disposed on the cooking surface of the clad cooking vessel and heated to produce the edible food product by subjecting the vessel core to a magnetic field.

Methodology, apparatus and computer programming are provide that permit an induction cooking appliance to evaluate a utensil for use with the appliance. A user may manually initiate an evaluation that will prompt the user to place a utensil on the appliance for evaluation. An evaluation is made based on differences between the expected energy and actual energy delivered. A score related to suitability for use of the utensil may then be displayed to the user.

The invention discloses an induction cooker provided with a magnetic induction temperature measuring device, comprising an induction cooker shell, an induction cooker bedplate, a heating coil and a control circuit. The induction cooker is characterized in that a position where a lower side of the induction cooker bedplate is adjacent to the heating coil is also provided with a temperature measuring induction coil which is used for converting a magnetic signal generated by a magnetic temperature induction element which is arranged on the induction cooker bedplate at a set temperature point into an electric signal to output, the induction cooker control circuit is also provided with a temperature measuring circuit which is mainly formed by a temperature measuring induction coil and an electric signal discriminating circuit, wherein the temperature measuring induction coil is connected with the electric signal discriminating circuit, and the electric signal discriminating circuit is again connected with an output control circuit so that a control program of the induction cooker can change correspondingly. The temperature of an electromagnetic pot is detected by adopting non-contact way, thereby realizing automatic, flexible and correct control of multipoint temperature of the induction cooker in the process of cooking.

The invention discloses an induction cooker control method, device and system, and belongs to the field of intelligent home. The induction cooker control method comprises the following steps that wireless connection with a mobile terminal is built; control instructions sent by the terminal are received according to wireless connection, and the control instructions comprise at least one of a power supply control instruction, a mode selection instruction, a temperature regulating instruction and a duration setting instruction; the corresponding operation is executed according to the control instructions. The control instructions sent by the mobile terminal is received, and the corresponding operation is executed according to the control instructions; the induction cooker can be controlled by the mobile terminal, the corresponding operation is executed according to various control instructions issued by the mobile terminal, and a user does not need to operate the induction cooker, so the problem that in the relevant technology, the control efficiency of the user on the induction cooker is lower is solved; the effect capable of improving the control efficiency on the induction cooker is achieved.