4414results about "Induction heating apparatus" patented technology

The present invention discloses a heating control method for an electromagnetic cooker based on gallium nitride and silicon carbide materials, which relates to the technical field of electromagnetic cooker control, including sampling a current signal; inputting the current signal into a gallium nitride driving circuit to generate a driving waveform; detecting the temperature distribution in the heating area of ​​the electromagnetic cooker and extracting temperature characteristic parameters; establishing a power control model based on the driving waveform and the temperature characteristic parameters and in combination with the conduction loss characteristics of the gallium nitride device; calculating the output power adjustment coefficient through the power control model, adjusting the duty cycle of the driving waveform according to the power adjustment coefficient, and obtaining a corrected driving signal; and controlling the output power of the gallium nitride power device using the corrected driving signal. An objective function is constructed based on the temperature distribution eccentricity, temperature control deviation, and heating uniformity coefficient, and an adaptive weight algorithm is used to dynamically adjust the weight coefficient, so as to achieve multi-objective optimization of temperature control, heating uniformity, and power loss.

A reel includes a core having a first end region, a first flange, a first hub member, and a first bonded joint connecting the first hub member to the first end region of the core. The first bonded joint includes a first susceptor material arranged between the first hub member and the first end region of the core. The first hub member and the first end region of the core are bonded together around the first susceptor material in such a way that the first flange is interposed between the first hub member and the first end region of the core.

A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to calculate an eccentricity degree between the working coil and a reception coil of a target object, and control, in the wireless power transmission mode, the operation frequency based on the calculated eccentricity degree while performing wireless power transmission to the target object.

The present disclosure is related to a system for generating high-temperature fluids, designed to reduce carbon emissions and improve energy efficiency in various industrial processes. The system leverages advanced thermal energy transfer and storage technologies to efficiently utilize diverse energy sources, including grid electricity, renewable energy, and waste heat from industrial processes. Particularly, the system comprises a heating subsystem, a heat transfer and storage subsystem, a post-heating subsystem, and an electrical feeding subsystem, a fluid circulation subsystem and a cooling circulation subsystem. The heat transfer and storage subsystem utilize innovative materials and techniques to efficiently store and release thermal energy, enabling the system to operate with high thermal efficiency and flexibility.The system can be integrated into various industrial processes, and by optimizing energy utilization and reducing reliance on fossil fuels, the system contributes to a more sustainable and environmentally friendly future. Additionally, the system can be integrated with different renewable electricity generation systems such a photovoltaic, wind, hydroelectric, among others. The system can also be integrated with the electrical grid, providing valuable grid services such as load balancing, energy shifting, and frequency regulation. This enhances grid stability and enables the system to contribute to a more resilient and efficient energy infrastructure.Furthermore, this invention offers a promising solution for reducing carbon emissions, improving energy efficiency, and enhancing the flexibility and reliability of industrial processes.

Aerosol provision devices are described. One such device comprises a receptacle configured to receive aerosol generating material, wherein the receptacle comprises a susceptor which is heatable by penetration with a varying magnetic field. The device further comprises an insulating member extending around the susceptor, wherein the insulating member is positioned away from the receptacle to provide an air gap around the susceptor. The device further comprises an inductor coil extending around the insulating member such that the insulating member is positioned between the inductor coil and the susceptor, wherein the inductor coil is configured to generate the varying magnetic field.Another such aerosol provision device comprises: a susceptor configured to receive aerosol generating material, wherein the susceptor is heatable by penetration with a varying magnetic field; an insulating member extending around the susceptor, wherein the insulating member is positioned away from the susceptor; an inductor coil extending around the insulating member such that the insulating member is positioned between the inductor coil and the susceptor, wherein the inductor coil is configured to generate the varying magnetic field; and an outer cover forming at least a portion of an outer surface of the aerosol provision device, wherein an inner surface of the outer cover is positioned away from an outer surface of the susceptor by a distance of between about 4 mm and about 10 mm.

The invention relates to an aluminum bar permanent magnetic induction heating method for extruding an aluminum alloy profile, which mainly solves the problem of poor heating uniformity of an aluminum bar heated by electromagnetic induction in the prior art, and comprises the following steps of: a, placing the aluminum bar on a conveying mechanism for conveying, pushing the aluminum bar into a conveying channel of a heating mechanism through a pushing mechanism, and heating the aluminum bar in the conveying channel; the aluminum bar is arranged in a composite magnetic field generated by the permanent magnet assembly; b, a gradient magnetic field is formed through alternate arrangement of permanent magnet polarities of the permanent magnet assembly, meanwhile, the electromagnet generates a high-frequency alternating magnetic field through alternating current, eddy current is excited on the surface of the aluminum bar through the magnetic field coupling effect, conduction type heating from outside to inside is achieved, and the electromagnet is independently controlled through a sub-power source of the power source system; local magnetic field compensation is realized through independent current control, and the compensation range is + / -0.3 T; c, the temperature of the aluminum bar is detected through an infrared temperature sensor and fed back to a control system, and the distance between the permanent magnet unit and the aluminum bar is dynamically adjusted.

The utility model provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a first heat insulating member; the coil is arranged on the first side of the first heat insulation part and can generate heat radiation and an electromagnetic field after being electrified; the magnetic part is arranged on the second side, away from the coil, of the heat insulation part; and at least part of the second heat insulation component is located between the first heat insulation component and the magnetic part, and the first heat insulation component and the second heat insulation component are made of different materials.

To provide a cooking system which can handle controlling of a kitchen ventilation device in automatic cooking, and to provide the kitchen ventilation device, a heating cooker, and a control method of the cooking system.SOLUTION: A cooking system 400 has a kitchen ventilation device 100, an acquisition unit 510, and a control unit 130. The acquisition unit 510 acquires cooking data including recipe information including cooking procedure and operation contents of the kitchen ventilation device 100 appropriate to the recipe information and used to perform processing selected according to the recipe information. The control unit 130 controls the kitchen ventilation device 100 based on the cooking data so as to perform the processing selected according to each recipe information.SELECTED DRAWING: Figure 5

The invention provides an infrared pulse thermal radiation grinding burn nondestructive testing method and system, and belongs to the technical field of nondestructive testing. Comprising the following steps: inputting an excitation signal to an induction coil, and inducing a pulsed eddy current in a tested part for heating; a thermal infrared imager and a depth camera are used for obtaining a thermal response temperature matrix of a measured area of the part and a three-dimensional point cloud of the measured area; then, constructing a thermal response model of the part; extracting a time sequence temperature curve of the heating stage and the natural cooling stage of the detected area, and establishing a grinding burn discrimination function to judge whether a grinding burn area exists or not; and the thermal infrared imager and the depth camera are calibrated, the grinding burn area under the coordinate system of the thermal infrared imager is projected into the three-dimensional point cloud of the depth camera, the position of the grinding burn area under the world coordinate system is obtained, and detection and positioning of the grinding burn area are achieved.

An induction heater system for manufacturing an electrode for various energy storage devices may include a power generator configured to generate power. The system may also include induction heating coils disposed adjacent to ends of at least one of a first roller or a second roller and configured to generate an electromagnetic field based on the power. The system may further include a heater plate surrounding the ends of at least one of the first or second rollers and configured to receive the electromagnetic field and generate an eddy current that generates heat on the heater plate based on electromagnetic field induction such that the generated heat is transferred to the one or both ends of at least one of the first roller or the second roller via thermal conduction.

To provide an induction heating method and an induction heating device that can save space and reduce costs.SOLUTION: A workpiece W is transported by gravity to a magnetic field B formed by a heating coil 12.SELECTED DRAWING: Figure 2

The invention discloses an electric baking pan heating control circuit and an electric baking pan, and the electric baking pan heating control circuit comprises an eddy current feedback module which comprises a current supply module and a coil used for being arranged on a heating disc of the electric baking pan, and the current supply module is connected with the coil; the coil is used for generating alternating current and outputting the alternating current to the coil to generate an alternating magnetic field to act on the other heating disc of the electric baking pan to form eddy current; the weighing module is used for being arranged on a heating disc of the electric baking pan to detect the weight of the heating disc; and the detection control module is connected to the coil and the weighing module and used for detecting feedback current generated by the feedback action of the eddy current in the coil and adjusting the temperature and the heating time of a heating disc of the electric baking pan according to the feedback current and the weight detected by the weighing module. The heating control circuit of the electric baking pan is applied to the electric baking pan, the heating temperature and the heating time of the heating disc of the electric baking pan can be automatically adjusted according to the weight and the thickness of food, the food cooking effect of the electric baking pan is easier to control, and the taste of the cooked food is better.

A method of attaching a flat flexible cable (FFC) to a plurality of terminals of an electrical connector includes a step of arranging a plurality of terminals within a connector housing, with each terminal defining a weld area adapted to be electrically connected to a conductor of the FFC. The FFC is then positioned proximate the connector housing such that the weld areas of each terminal are arranged directly adjacent a respective one of a plurality of exposed conductors of the FFC. At least the weld areas of the plurality of terminals are heated with an inductive heating source for electrically connecting the plurality of conductors of the FFC to the plurality of terminals.

An apparatus for an aerosol generating device may include a heating circuit to heat a heating arrangement. The heating arrangement is arranged to heat an aerosol generating material to thereby generate an aerosol. The apparatus may include a temperature sensing arrangement to sense a temperature of the device. The apparatus may include a controller to control a supply of energy to the heating circuit. The controller may determine a characteristic that is indicative that energy is being supplied to the heating circuit over a given time period, and a change in temperature sensed by the temperature sensing arrangement. The controller may take a control action if, based on the determined characteristic and the increase in temperature sensed by the temperature sensing arrangement. The controller may determine that one or more predetermined criteria that are indicative of a fault with the temperature sensing arrangement are satisfied.

A heater and / or a reactor system having a conductive medium and a conductor adjacent to the conductive medium is described. The system has a source of electrical energy coupled to the conductor to provide electrical energy and create a magnetic field around the conductive medium. The system produces an eddy current that heats the conductive medium. Also described are methods of heating using the heater and / or a reactor system.

The invention discloses automatic welding equipment for metal workpiece machining, and relates to the technical field of welding, the automatic welding equipment comprises a base, two fixing seats and a welding machine, and further comprises a positioning mechanism; a pretreatment mechanism; the adjusting mechanism is used for driving the turntable to rotate; the interlayer welding auxiliary treatment mechanism comprises rapping assemblies mounted at the top and the bottom of the partition plate correspondingly and a polishing assembly mounted in the center of the top of the base; the positions of the upper thick pipe and the lower thick pipe are adjusted through the adjusting mechanism, an oxidation layer at the welding position is removed in cooperation with the interlayer welding auxiliary processing mechanism, meanwhile, reciprocating knocking is conducted on the welding position of the thick pipes, alternating stress generated by vibration can promote interlayer residual stress to be released, follow-up welding deformation is reduced, and welding quality is improved. By removing the oxide layer and releasing the residual stress in interlayer welding, the thick pipe splicing welding quality is effectively improved, and the thick pipe splicing welding efficiency is guaranteed while the thick pipe splicing welding quality is improved.

A control device, for a water purifier, that dispenses hot water and that includes: an input unit that is configured to receive a command signal; and a controller that is configured to control the water purifier based on the command signal, wherein the controller is configured to: control power output of a heating unit that is configured to heat water stored in a hot water tank of the water purifier, and based on the power output of the heating unit, control temperature of hot water dispensed by the water purifier is disclosed.

The utility model provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a heat insulating member; the winding is arranged on the heat insulation part, the winding is spirally wound on the heat insulation part to form a coil, and the coil comprises a plurality of coil layers in the radial direction of the coil; wherein the distance between two adjacent coil layers is the radial interval of the coil, and the coil comprises a plurality of radial intervals; in the plurality of radial intervals, at least one radial interval is different from the other radial intervals. The coil panel has the electromagnetic heating capacity and the thermal radiation heating capacity at the same time, the universality of the induction type heating cooking utensil is improved, and the technical effects of optimizing the structure of the coil panel, widening the application range of the coil panel, improving the practicability of the coil panel and reducing the production cost of the coil panel are achieved.

A method of determining an operating configuration of a stove having: a cooktop having a plurality of heating regions; a power cord connected to a receptacle; a housing; a battery disposed within the housing, where the obtained stove use data comprises information regarding use of at least one of the heating regions of the cooktop. The method includes determining an operating configuration based at least in part on obtained stove use data and obtained power availability data, the determined operating configuration including one of: a full power configuration where the heating regions operate at a maximum power greater than 120V input voltage based on power from both the receptacle and the battery or power solely from the battery, and a reduced power configuration where the heating regions operate at a reduced power less than the maximum power, based on power solely from the receptacle or power solely from the battery.

To provide an inductor for use in an aerosol provision device.SOLUTION: The inductor includes an electrically conductive element and a secondary coil. The element includes an electrically conductive non-spiral first portion 601 coincident with a first plane, an electrically conductive non-spiral second portion 602 coincident with a second plane that is spaced from the first plane, and an electrically conductive connector 603 that electrically connects the first portion 601 to the second portion 602. The electrically conductive element is configured such that, when a varying electrical current is applied to the electrically conductive element, a corresponding varying electrical current is induced in the secondary coil.SELECTED DRAWING: Figure 6

The utility model discloses a coil panel assembly and an electromagnetic heating device, and relates to the technical field of electromagnetic heating, the coil panel assembly comprises a support and at least one pair of winding units, in the pair of winding units, the current directions of the two winding units are set to be opposite, so that opposite magnetic poles are formed in the middle parts of the two winding units, and the winding units are arranged on the support. In at least one winding unit, a magnetic pole formed in the middle of the winding unit is close to one side of the corresponding second winding ring section, so that the magnetic field can be coupled with the position of the corresponding pot wall from one side close to the edge of the support, and the current directions of the lead sections, close to each other, of the two adjacent first winding ring sections are consistent. The distance d between every two adjacent first winding ring sections is larger than or equal to 5 mm, so that the magnetic field intensity of the wire connecting area between every two adjacent winding units is adjusted, the heating concentration degree of the corresponding pot bottom is weakened, and the heating uniformity of the pot can be further improved.

A method includes providing an LCR circuit including an inductive element and a capacitor, and applying a voltage to the LCR circuit, where the applied voltage induces a response between the capacitor and the inductive element of the LCR circuit; determining a plurality of resonant frequencies of the response at a plurality of time points respectively; a responsive output signal is generated and a resonant frequency is selected from a plurality of resonant frequencies based on the output signal, where the setting of the frequency of the applied voltage depends on the selected resonant frequency, and then the above steps are repeated.

There is provided a cartridge for an aerosol-generating system, the cartridge comprising a container comprising an outer surface and an inner surface, wherein the container outer surface at least partially defines an outer surface of the cartridge. The cartridge also includes a susceptor material comprising a susceptor material inner surface at least partially defining a cartridge cavity, the susceptor material inner surface defining a plurality of interstices. The cartridge also includes an aerosol-forming substrate in the form of a gel at room temperature, plurality of interstices are configured to hold the gel.

A power unit for an induction hob has a component carrier on which components to be cooled and a heat sink device therefor are arranged, a fan in the direction of the heat sink device, and an air duct from the fan to the heat sink device. The heat sink device is elongate and partially limits the air duct, wherein the latter has two or three outer walls and is formed thereby, said walls adjoining one another and being arranged at an angle to one another. The air duct extends along these walls and along the heat sink device, wherein it has at a starting area of the heat sink device a free area outside the heat sink device and between the outer walls. This free area becomes smaller in the longitudinal direction of the air duct away from the fan and in the direction of an end of the air duct, wherein it becomes zero by the end of the air duct. This allows air flowing along in the free area to be diverted into a heat sink further back in the air duct.

The invention provides a coil panel and cooking equipment, and relates to the technical field of cooking equipment. The coil disc includes: a heat insulating member; the winding is arranged on the heat insulation part, the winding is in a strip shape, the winding is spirally wound on the heat insulation part to form a coil, and the electrified coil can generate an electromagnetic field and heat radiation.

Braking system (1) and method aimed to produce a forced increase in a damping layer (7) temperature of a brake pad (3), arranged between a metal support (5) and a friction material block (6) thereof, wherein the damping layer (7) is heated such as to stay at a temperature above a glass transition temperature of rubber components thereof, so assuring a maximum damping behavior; the heating is caused by magnetic induction generated by one or more electrically conducting coils (15) fed in AC by a power source (10) carried by the vehicle and arranged either integrated in the brake pad (3), e.g. carried by the support (5), or in the vicinity thereof.

A removable liner configured to be used with an aerosol provision device is provided. The device includes a chamber for receiving a replaceable consumable and the liner has dimensions to fit within the chamber of the device, between walls of the chamber and the replaceable consumable. The liner is configured to receive the replaceable consumable, in use.

A curb stone or paving stone charging device for charging an energy store of an electrically driven vehicle. The curb stone or paving stone charging device includes a main body, an inner receiving space which is delimited on a plurality of sides by the main body, a cover which closes the receiving space, a charging unit having components which are arranged in the receiving space, a charging socket which is connected mechanically at least indirectly to the cover, and a heating element which heats the cover. The main body is produced from a metal, a concrete, a natural stone, a plastic or a composite material.

The utility model relates to the technical field of high-frequency heating, in particular to a continuous high-frequency heating device for a pipe body. A continuous high-frequency heating device for a pipe body comprises a machine table; the high-frequency heater is arranged on one side of the machine table, and the high-frequency heater comprises a high-frequency coil; the preheating mechanism comprises a first heating block with a heating function, the first heating block is arranged on the axis of the high-frequency coil and fixed to the machine table, a limiting groove is formed in the first heating block, and the limiting groove is in an arc shape and is coaxial with the high-frequency coil. Compared with the prior art, the device has the advantages that the pipe body is preheated in advance according to the waiting time of the pipe body, the waiting time can be fully utilized, the heating time of the high-frequency coil to the pipe body is shortened in an advanced heating mode, and the overall pipe body heating efficiency is improved.