170 results about "Magnetic heating" patented technology

The present disclosure relates to an active graded magnetic compensation system and method for an unshielded SERF magnetometer. The system comprises: a detection laser, a half-wave plate, a magnetic field compensation coil, a magnetic field modulation coil, a non-magnetic heating assembly, an alkali-metal atomic vapor cell, a polarizing beam splitter prism, a balanced photodetector, a graded feedback control module, a pump laser, a quarter-wave plate, a focusing lens and a photodetector. By means of the present disclosure, a graded compensation system is used to realize high-precision compensation for a magnetic field within a large dynamic range in a geomagnetic environment, thereby ensuring that an instrument carries out high-sensitivity magnetic field measurement under geomagnetic conditions.

The well mouth electromagnetic heating device comprises a shell, the shell is of a hollow structure, an insulating layer is fixedly installed on the inner wall of the shell, a spiral electromagnetic induction coil is fixedly installed on the inner wall of the insulating layer, an inner ring of the electromagnetic induction coil is installed on a heat preservation layer in a winding mode, and a heating tank is fixedly installed on the inner wall of the heat preservation layer. The stirring column and the metal rod rotate along with the rotating rod to stir liquid in the heating tank, so that different parts of the liquid are fully mixed, the metal rod generates induction heat under the action of a magnetic field, the heat can be diffused in the liquid more quickly and uniformly, the phenomenon of temperature stratification is avoided, and the heating uniformity is further improved. Cleaning liquid is injected into the first channel of the rotating rod through the connector, the cleaning liquid is sprayed out of the nozzle through the second channel, the sprayed cleaning liquid comprehensively cleans the interior of the heating tank, meanwhile, the scraping plate can scrape the inner wall of the heating tank in the stirring process, and impurities or precipitates in the liquid are prevented from being attached to the inner wall.

The present application relates to the technical field of hydrogel, in particular to an injectable temperature-responsive enhanced composite double-network magnetic particle gel, a preparation method and application thereof, the hydrogel is composed of a particle gel network formed by gelatin nanoparticles and Fe3O4 nanoparticles through electrostatic interaction and a poly-N-isopropyl acrylamide (PNIPAM) based temperature-sensitive polymer gel network. At room temperature, the hydrogel has excellent shear thinning and self-healing properties, and can be easily injected through a needle and a microcatheter. When the temperature rises to human body temperature (37 DEG C), the temperature-sensitive polymer phase transition crosslinking enhances the mechanical properties of the gel network. The hydrogel is injectable in vitro, temperature-responsive in vivo, meets the requirements of vascular interventional embolization materials, and can be magnetically heated under an alternating magnetic field, and is used for liver cancer embolization combined with magnetic heating treatment. The preparation method is simple, has high biocompatibility, and has great clinical application potential.

The present invention discloses an electromagnetic heating smoking device and an electromagnetic heating system, which relate to the field of electromagnetic heating technology. The electromagnetic heating smoking device includes a shell, an electromagnetic coil, a parameter acquisition module, a drive device, and a control module. When alternating current is applied to the electromagnetic coil, a changing alternating magnetic field is generated. The parameter acquisition module acquires the magnetic field strength in the heating chamber. When the magnetic field strength is less than a preset magnetic field strength, the control module controls the electromagnetic coil to move in the shell through the drive device until the new magnetic field strength reaches the preset magnetic field strength. It can be seen that the present application controls the electromagnetic coil to move in the shell through the drive device when the magnetic field strength at the position where the ferromagnetic element in the cigarette is located is less than the preset magnetic field strength, until the new magnetic field strength reaches the preset magnetic field strength. At this time, the ferromagnetic element in the cigarette is at the center of the alternating magnetic field, so as to achieve the maximum heating efficiency of the electromagnetic heating smoking device and improve the user's experience satisfaction.

The utility model relates to a milk warmer which comprises a base and a milk bottle placed on the base, an electromagnetic heater is arranged on the base, and an electromagnetic heating matching piece used for being matched with the electromagnetic heater and heating an inner cavity of the milk bottle when the electromagnetic heater is started is arranged in the milk bottle. According to the electromagnetic induction principle, an alternating magnetic field is generated through alternating current, and the electromagnetic heater is an electromagnetic coil panel. When the electromagnetic heater is started, an alternating magnetic field is generated, the electromagnetic heating matching piece directly conducts heat to the inner cavity of the feeding bottle under the action of the alternating magnetic field, liquid in the inner cavity of the feeding bottle directly absorbs heat, the heating efficiency is high, heating is uniform, and the heat conversion rate is high.

This utility model relates to the field of life science technology, and in particular to a nucleic acid extraction device. The device includes a frame, a sample loading and waste liquid treatment mechanism, a oscillating magnetic heating mechanism, a control device, and a screen interaction system. The sample loading and waste liquid treatment mechanism achieves precise three-dimensional positioning through horizontal and vertical motion guides and vertical moving components. It includes parallel large and small pistons, allowing for flexible switching between different volume pipetting and sharing a common connector. The oscillating magnetic heating mechanism integrates oscillation, heating, and magnetic attraction functions, and works with various sizes of pipette tips and reagent kits to complete sample processing. The extraction process is automated through the control device, linking all mechanisms to automatically complete the entire process, including sample lysis, solid-liquid separation, magnetic bead purification, and elution. This application automates nucleic acid extraction, improving operational efficiency and extraction results, and is suitable for nucleic acid extraction from plant tissues, animal tissues, blood, plasmids, and other samples.

The application discloses an electromagnetic heating cooking appliance. It comprises a control device, an electromagnetic heating module, a cooking container, and a working condition display component. The electromagnetic heating module comprises at least one electromagnetic coil for generating an alternating magnetic field under the control of the control device, and the magnetic field area of the alternating magnetic field is non-uniformly distributed in the circumferential direction of the electromagnetic heating module; the cooking container comprises a ferromagnetic material, which is arranged in the magnetically inducible area of the electromagnetic heating module, and the central axis of the cooking container is substantially coincident with the central axis of the electromagnetic heating module; the working condition display component is electrically connected to the control device. The control device is configured to simultaneously perform the following operations during at least part of the cooking process: relatively rotating the cooking container and at least part of the electromagnetic heating module around the central axis to relatively rotate the alternating magnetic field and the cooking container; and making the working condition display component output at least a first visual signal representing the relative rotation.

The utility model discloses an electromagnetic heating humidifier which comprises a shell, an electromagnetic heating device, an electromagnetic heating device, an electromagnetic heating device, an electromagnetic heating device and an electromagnetic heating device. The middle of the shell is provided with a containing box, and the bottom of the containing box is provided with a plurality of hanging pins and connecting pins. The electromagnetic heating assembly is arranged in the shell and located below the containing box. The water tank is detachably arranged in the accommodating box; the base plate is arranged at the bottom of the shell, the weight of the humidifier acts on the base plate through butt joint and fixation of the connecting columns and the connecting feet, the base plate is provided with a weighing sensor, and the weighing sensor is electrically connected with the circuit board. According to the utility model, the weighing sensor is used for indirectly monitoring the water quantity, the signal interference of a magnetic conductive material to the sensor is avoided, the compatibility problem of the detachable water tank and electromagnetic heating is solved, the balance between the convenient cleaning of the detachable water tank and the electromagnetic heating efficiency is realized, and the installation limitation of the sensor is avoided through indirect weight detection; the rigid connection structure ensures the pressure measurement precision and effectively reduces the risk of dry burning.

This application discloses an electromagnetic heating method for tire vulcanization, comprising the following steps: Step one, dividing the tire mold into multiple regions corresponding to the tire crown, bead, and sidewall; applying heating power to each region using an electromagnetic heating device, the heating power matching the heat required by each region during the vulcanization process; Step two, dividing the tire vulcanization process into at least two dynamic control stages, including a rapid heating stage and a constant-temperature vulcanization stage; and calling an independent, pre-set set of control parameters for each dynamic control stage to perform real-time closed-loop feedback adjustment of the heating power. This electromagnetic heating method for tire vulcanization enables efficient, energy-saving, and intelligent precise temperature control throughout the entire tire vulcanization process, thereby achieving high-quality, low-energy, and intelligent tire manufacturing.

The utility model provides a multifunctional electromagnetic heating device which comprises a device body, an electromagnetic heating main circuit board and an output capacitor used for filtering are arranged in the device body, and the output end of the electromagnetic heating main circuit board is connected with an induction coil used for being wound on a coupling. The output capacitor is connected between the electromagnetic heating main circuit board and the induction coil, a control circuit board and a temperature control displayer are arranged on the side face of the device body, the input end of the control circuit board is connected with temperature sensors fixed to a coupling and a traction motor driving shaft, and the output end of the control circuit board is connected with the temperature control displayer. A cooling fan is arranged on the outer wall, close to one side of the output capacitor, of the device body. The device is simple in structure and reasonable in design, has the functions of temperature self-control, overload protection, current limitation and the like, can ensure the safety during use, and greatly improves the disassembly efficiency of the coupling.

The utility model discloses a close winding coil panel and an electromagnetic heating appliance, the close winding coil panel comprises an insulation board, the upper surface of the insulation board is connected with an electromagnetic coil, and the center of the insulation board is provided with a positioning hole; the center and the edge of the fixing support are provided with a center flange and a boundary flange respectively, the center flange penetrates through the positioning hole and is in close fit with the positioning hole, and a containing space is jointly formed between the center flange and the boundary flange; the number of the magnetic cores is multiple, a plurality of containing grooves are formed in the bottom face of the fixing support, and each magnetic core is connected into the corresponding containing groove; the bottom plate is provided with a plurality of groups of mounting holes, the fixing support is provided with at least two limiting buckles, and each limiting buckle is connected to the corresponding mounting hole. In the assembling process, the insulation heat insulation plate is positioned and installed in the containing space through the center flange, the fixing support and the bottom plate are connected in a buckled mode through the limiting buckles and the installation holes, the fixing support has the advantages of being simple in structure, convenient to install and reliable in connection, and the loosening and falling-off problems in a traditional fixing mode are avoided.

The invention discloses an alkali metal gas chamber non-magnetic heating method based on double-sided laser temperature control, which can eliminate magnetic interference introduced by traditional electric heating from a physical source and more effectively realize uniform, stable and continuous heat source temperature field distribution through double-sided laser closed-loop control. Comprising the steps that diamond sheets used for photo-thermal conversion are attached to the top face and the bottom face of a heat conduction layer defining an alkali metal air chamber, a first laser heating surface and a second laser heating surface are formed on the heat conduction layer respectively, the thickness of each diamond sheet ranges from 4 mm to 6 mm, the heat conductivity of each diamond sheet is 2000 W / m.K, a first temperature sensor is arranged on the first laser heating surface, and a second temperature sensor is arranged on the second laser heating surface. And a second temperature sensor is arranged on the second laser heating surface. The laser heating material has the main differences that the laser heating material has ultra-low material magnetic noise and ultra-high thermal conductivity; uniform heating of a large-size air chamber is realized through double-sided temperature control; a heating laser light path is separated from a pumping and detecting light path, and laser temperature control can be independently adjusted.

The utility model relates to an incineration closestool which comprises a sewage receiving cavity, an incineration cavity and an ash receiving cavity which are arranged on a closestool body. A sewage inlet and an ash outlet are formed in the incineration cavity, the sewage receiving cavity in the open state communicates with the incineration cavity through the sewage inlet, and the incineration cavity in the open state communicates with the ash receiving cavity through the ash outlet; a magnetic heating part and an electromagnetic coil are arranged on the incineration cavity and correspond to each other, and a magnetic field generated by electrifying the electromagnetic coil enables the magnetic heating part to generate high temperature for incinerating excrement. According to the incineration closestool, excrement is heated and incinerated in an electromagnetic heating mode, the incineration area and the ashing matter collecting area are separated from each other, and therefore the incineration closestool has the advantages of being high in heating efficiency, low in energy consumption, easy and convenient to use and the like.

The invention relates to the technical field of water heater control, and particularly discloses an air heating water heater control system which comprises a master control module, an electromagnetic heating module, a detection module, a safety protection module, a man-machine interaction module and a power module. The electromagnetic heating module comprises a high-frequency inverter, a self-adaptive coupling coil group and the like, and can convert power frequency alternating current into 20-50kHz high-frequency alternating current to realize 0-3000W stepless regulation non-contact air heating; the detection module feeds back operating parameters in real time through dual temperature measurement, capacitive water level and Hall magnetic field detection; the safety protection module integrates multiple protection mechanisms, and safety risks are avoided in an all-around mode. The main control module realizes closed-loop control, the man-machine interaction module supports parameter setting and state checking, and the power supply module provides stable power supply. The device is high in magnetic field transmission efficiency, high in heating speed, free of scale, accurate in temperature control, comprehensive in safety protection, convenient to operate, small in equipment abrasion and long in service life.

The application provides an electromagnetic heating device and a control method thereof. The electromagnetic heating device comprises K groups of induction heating units. Each group of induction heating units comprises two first induction coils located above a slab passage and two second induction coils located below the slab passage. In a first direction, the two first induction coils and the two second induction coils of each group of induction heating units are arranged correspondingly. The two first induction coils are arranged adjacently on the slab, and the two second induction coils are arranged adjacently below the slab. The coil plane of each induction coil is perpendicular to the first direction. The control units of the induction coils located at the same relative position in each group of induction heating units are the same control unit, and the control units of the induction coils located at different relative positions in each group of induction heating units are different control units, or the control units of the induction coils are independently arranged.

The present invention relates to the technical field of electromagnetic heating. Disclosed are an electromagnetic heating cigarette device and an electromagnetic heating system. The electromagnetic heating cigarette device comprises: a housing, an electromagnetic coil, a parameter acquisition module, a driving device and a control module; when an alternating current is applied to the electromagnetic coil, a varying alternating magnetic field is generated, the parameter acquisition module acquires the magnetic field strength in a heating cavity, and when the magnetic field strength is less than a preset magnetic field strength, the control module controls, by means of the driving device, the electromagnetic coil to move in the housing until a new magnetic field strength reaches the preset magnetic field strength. It can be seen that in the present application, when the magnetic field strength at the position where a ferromagnetic element in a cigarette is located is less than the preset magnetic field strength, the control module controls, by means of the driving device, the electromagnetic coil to move in the housing until the new magnetic field strength is the preset magnetic field strength, and at this time, the ferromagnetic element in the cigarette is located at the center position of the alternating magnetic field, so as to achieve the maximum heating efficiency of the electromagnetic heating cigarette device and improve the satisfaction of the user experience.

The application discloses a pot detection circuit and method of a global heating electromagnetic range and the electromagnetic range, and relates to the technical field of electromagnetic heating. The circuit comprises multiple groups of LC resonance circuits and an MCU control unit. Any group of LC resonance circuit is connected with a coupling feedback circuit and an inverter circuit. The first output end of the MCU control unit is connected with the input end of the coupling feedback circuit. The first output end of the coupling feedback circuit is connected with the LC resonance circuit. The second output end of the coupling feedback circuit is connected with the input end of the MCU control unit. The second output end of the MCU control unit is connected with the LC resonance circuit. The third output end of the MCU control unit is connected with the input end of the inverter circuit. The output end of the inverter circuit is connected with the LC resonance circuit. The application can detect whether the induction coil of the multiple LC resonance circuits of the global heating has a pot without interruption, can effectively improve the heating efficiency of the global heating electromagnetic range, and further improves the user experience.

The invention discloses an electromagnetic heating method and system and an intelligent electric appliance. The method comprises the steps that target temperature field data, initial heating frequency data and initial magnetic field intensity data corresponding to a to-be-heated object are acquired; determining first target heating frequency data based on first voltage data and first current data corresponding to the magnetic field generation unit under the initial heating frequency data; determining a position with the temperature data meeting a first preset condition in the temperature field as a target position; based on distance data and angle data between the magnetic field generation unit and the target position and area data of the magnetic field generation unit, optimizing the initial magnetic field intensity data to obtain first target magnetic field intensity data; and based on the first target heating frequency data and the first target magnetic field intensity data, controlling a magnetic field generation unit to generate a magnetic field so as to heat the to-be-heated object. According to the embodiment of the invention, the uniformity of electromagnetic heating can be improved, and the energy efficiency of electromagnetic heating can be improved.

The utility model relates to the technical field of electromagnetic heating, in particular to an electromagnetic induction heating device, which adopts the technical scheme that the electromagnetic induction heating device comprises a bottom plate and a shell, an electromagnetic induction coil is movably arranged in the shell, a cover plate is movably inserted into the front surface of the shell, and the electromagnetic induction heating device further comprises a protective sleeve; the protective sleeve is movably inserted into the shell; wherein the bottom of the protective sleeve penetrates through the electromagnetic induction coil. According to the utility model, the problem that the electromagnetic coil is damaged due to the fact that metal liquid drops on the electromagnetic coil when fusing operation is carried out on a metal piece through the electromagnetic coil at the present stage is solved.

The invention discloses a control method of a cooking utensil and the cooking utensil, and relates to the technical field of electromagnetic heating, the control method of the cooking utensil comprises the following steps: when a cooking instruction is received, obtaining cooking parameters in the cooking instruction, the cooking parameters comprising bottom size parameters of a pot; according to the bottom size parameters of the cookware, the driving mechanism and the electromagnetic heating units are controlled to work, so that the positions of the electromagnetic heating units correspond to the bottom size of the cookware. The bottom size parameters of the cookware are obtained according to the received cooking instruction, so that the size condition of the needed heating range can be determined, the driving mechanism is controlled to drive the multiple electromagnetic heating units to move, then the optimal magnetic pole position is matched, and therefore the heatable range is adjusted, and the heating efficiency is improved. The heating range can be matched with the size of the bottom of the cookware to heat the cookware, so that the problem that a plurality of pairs of magnetic pole wire coils are poor in adaptability to the cookware and only suitable for heating the cookware with the proper size is solved.

The invention provides an aerosol generating device electromagnetic heating method, an electromagnetic heating circuit and an aerosol generating device.The aerosol generating device comprises a sensing body and a resonance circuit, and the electromagnetic heating method comprises the steps that under the condition that the aerosol generating device is in a preheating stage after heating is started, a PWM signal works at a first preset frequency, the PWM signal is used for driving the resonance circuit to generate an alternating magnetic field, so that the sensing body is heated, and then the aerosol generating substrate is heated to generate aerosol; determining whether the real-time temperature of the sensing body is greater than a preset preheating threshold; under the condition that the real-time temperature of the sensing body is determined to be larger than the preset preheating threshold value, the PWM signal works at a second preset frequency, and the second current of the resonance circuit at the second preset frequency is smaller than the first current of the resonance circuit at the first preset frequency. The electromagnetic heating power is controlled in a frequency hopping mode, so that the loss of the coil and / or other parts can be reduced while the rapid temperature rise of the susceptor is ensured.

The invention relates to the technical field of medical instruments, and discloses a fire needle heating device for thermal therapy, which comprises a gun-type shell, a fire needle pushing mechanism and a ceramic heating element, a rack is mounted on the gun-type shell, a non-magnetic sleeve is mounted on the rack, an electromagnetic heating unit is mounted in the non-magnetic sleeve, and the ceramic heating element is mounted in the non-magnetic sleeve. A stainless steel sleeve containing heat conduction oil is further installed in the non-magnetic sleeve, an annular disc frame is arranged on one side of the non-magnetic sleeve, a plurality of limiting type sleeves are installed on the annular disc frame, limiting type shaft bodies are installed on the limiting type sleeves, positioning sleeves are installed at one ends of the limiting type shaft bodies, and needle bodies are installed in the positioning sleeves. According to the fire needle heating device for thermal therapy, the stainless steel sleeve and heat conduction oil in the stainless steel sleeve are heated through the electromagnetic heating unit, the needle tip end of the needle body is preheated through the stainless steel sleeve and a heat conduction coating on the stainless steel sleeve, the needle body is heated through the ceramic heating element, and therefore in the needle retaining process, the needle tip end of the needle body is heated; and the heating time can be effectively shortened by preheating the plurality of needle bodies.

This invention provides an atomizing component, an atomizer, and an electronic atomizing device. The atomizing component includes: a support with a centrally located atomizing channel and at least one liquid inlet channel on its side connecting the atomizing channel and the outside of the support; a magnetic heating tube made of porous metal, disposed within the atomizing channel and used to draw in liquid matrix entering the atomizing channel from the liquid inlet channel; an electromagnetic coil made of porous metal, disposed within the support and used to heat the magnetic heating tube to atomize the heated liquid matrix introduced into the magnetic heating tube; and an electromagnetic shielding tube made of porous metal, located within the support and surrounding the outer periphery of the electromagnetic coil. The use of a porous metal magnetic heating tube in this invention facilitates heat concentration, improves heating efficiency, and enables rapid heating, while the electromagnetic shielding tube prevents outward propagation of magnetism, reduces electromagnetic radiation, and also provides noise reduction.

The invention relates to the technical field of umbilical cables, and discloses a polar umbilical cable which comprises a basic function unit module, an electromagnetic heating system and a temperature monitoring control system, the electromagnetic heating system is composed of an induction coil, a function driving unit and an electromagnetic shielding layer, and the induction coil is arranged between outer armor layers in a penetrating mode; the induction wire is a copper-based alloy enameled wire which is high in conductivity, resistant to high temperature and corrosion and appropriate in magnetic conductivity, and electromagnetic shielding layers are arranged on the inner side of the induction coil and the outer side of the armor layer to prevent stray magnetic fields generated in the electromagnetic heating process from leaking outwards. The cable is integrated with a real-time monitoring and control system, temperature data of part of point positions can be collected in real time and transmitted to a central controller through a temperature sensor embedded in the cable body, overall temperature distribution is restored based on an umbilical cable temperature distribution model, and the system adjusts a heating strategy according to the temperature distribution state to stabilize the temperature of the umbilical cable within a set interval. And the operation and maintenance cost and the fault risk are greatly reduced.

The utility model relates to electromagnetic heating technical field discloses series connection type helical coil array's electromagnetic heating coil disc, including support board, the top fixed connection of support board has a plurality of coil framework combinations, the inside installation of coil framework combination has heating assembly, the bottom mounting of support board has supplementary assembly, heating assembly includes helical coil, helical coil installs in the inside of coil framework combination, and it is series connection between a plurality of helical coils, supplementary assembly includes magnetic stripe combination, and the bottom mounting of magnetic stripe combination in support board, in the utility model, when heating, the utensil is placed on the isolation mica piece, and the helical coil that starts series connection and close arrangement can rapidly produce uniform magnetic field, realizes wide -range uniform heating, reduces local overheating or deficiency. The magnetic stripe combination can increase coil inductance, gather magnetic force line, reduce leakage magnetism, improve efficiency and reduce interference, and can also supplement energy and increase output.

A magnetic suction heating type movable oil filtering device comprises a box body, an oil filter, a bracket, an oil pumping pipe and an oil filtering pipe, the box body and the oil filter are arranged on the bracket, a dirty oil inlet is formed in the top of the box body, and a clean oil outlet is formed in the bottom of the box body; an oil inlet of the oil filter is communicated with the bottom of the box body through an oil pumping pipe, and an oil outlet of the oil filter is communicated with the top of the box body through an oil filter pipe; a magnet is arranged at the bottom of an inner cavity of the box body, a heating device is fixed to the bottom face of the box body, a clamping hole is formed in the bracket, and the heating device is embedded into the clamping hole. According to the utility model, the magnetic suction device is additionally arranged, so that fine metal impurities contained in dirty oil are regularly removed after being adsorbed, and the cleanliness of a filtered oil product is improved; the electric heating device is additionally arranged, so that the flowability of sump oil in a cold environment is ensured, and the device can normally work in a low-temperature environment; and meanwhile, the device is matched with the dryer to remove moisture in the oil, so that the replacement period of hydraulic oil and lubricating oil is prolonged, and the cost is saved.

The application relates to an electromagnetic wave absorbing filament and a preparation method thereof, and belongs to the technical field of functional fibers. The preparation method of the application takes a magnetic stretching spinning system as an occurrence device, and comprises a double-screw extruder, a magnetic heating device and a multi-stage magnetic stretching device. The preparation method comprises the following steps: S1, marine plastic, nano inorganic magnetic material, nano modifier, filler, additive and silane coupling agent are added into the double-screw extruder and uniformly mixed, and functional masterbatch is obtained through granulation; the marine plastic is selected from PP plastic and / or PET plastic; S2, the functional masterbatch is subjected to magnetic heating through the magnetic heating device, and molten masterbatch is obtained; S3, the molten masterbatch passes through a pinhole plate, and nascent fibers are obtained; and S4, the nascent fibers are stretched through the multi-stage magnetic stretching device, and the electromagnetic wave absorbing filament with uniform distribution and excellent electromagnetic shielding capacity and other performances is obtained.

The invention discloses a combined electromagnetic heating coil structure, and relates to the technical field of electromagnetic heating coils, the combined electromagnetic heating coil structure comprises a machine barrel, an annular strip is arranged on the outer wall of the machine barrel, positioning rings which are symmetrically distributed left and right are arranged on the outer side of the annular strip, and a plurality of supports and a wiring terminal are arranged between the positioning rings which are symmetrically distributed left and right in the circumferential direction; the plurality of supports and the wiring terminal are evenly distributed along the annular strip in the circumferential direction, a plurality of high-frequency wires are wound between the plurality of supports and the wiring terminal in the horizontal direction, and a wire connector is arranged between the starting end and the tail end of the high-frequency wires. The high-frequency wire is accurately positioned and wound through the mounting groove, the coil density can be flexibly adjusted to achieve power step control, the interval error caused by manual winding is avoided, it is ensured that a magnetic field is evenly distributed, local overheating or cold areas are reduced, equipment vibration and abrasion are reduced, the process stability is improved, and meanwhile energy consumption waste is reduced.

An electromagnetically heated glass kettle includes an electromagnetic heating body, a glass kettle body, a lid, a magnetically conductive metal plate, a heat insulation plate, a kettle base, a fastening ring with an opening, and a handle. The electromagnetic heating body includes a shell, a panel, a coil, a fan, a main control board, and a base. The magnetically conductive metal plate is fixedly attached to the bottom plate of the glass kettle body. An inner support base supports the heat insulation plate, and a radial pin is inserted into the inner support base. The glass kettle body is embedded in the kettle base, and a latch and a bottom annular groove are fitted together. The magnetically conductive metal plate is supported and cooperated with a right-angled bracket. The fastening ring is fitted into an upper annular groove, and the handle is connected to the fastening ring and the shell base. The kettle support base supports the kettle base, and there is a heat dissipation gap between the kettle base and the panel. Air is discharged through a group of heat dissipation vents, and the air is dissipated through the gap between the shell base and the panel. The heat insulation plate and the shell base adopt this structure, and a heat dissipation channel is formed between the shell base and the electromagnetic heating body, effectively reducing the temperature rise of the panel and the shell base.

The utility model discloses an electromagnetic cooling and heating device, which belongs to the technical field of electromagnetic heating and comprises a coil, the coil is an electromagnetic coil formed by spirally winding a hollow pipe, two ends of the coil are respectively provided with a coil liquid inlet and a coil liquid outlet, the coil liquid inlet is communicated with a liquid supply end, and the coil liquid outlet is communicated with a magnetized heating pipe. And the magnetized heating pipe is a hollow pipe and is wound in the coil. According to the structure, liquid entering the coil can dissipate heat of the coil so as to reduce the temperature of the coil during working and preheat the liquid at the same time, the magnetized heating pipe located in the coil can greatly receive the magnetic force of the magnetic field of the coil and generate heat, and the liquid entering the magnetized heating pipe can be comprehensively and uniformly heated; the magnetic heating pipe can discharge high-temperature steam or high-temperature liquid, heat resources are effectively utilized, resource waste is reduced, the liquid heating speed is high, the efficiency is high, and the magnetic heating pipe can be widely applied to household or commercial liquid heating equipment.