CN1812673A

CN1812673A - Electromagnetic heater and electromagnetic oven with the same electromagnetic heater

Info

Publication number: CN1812673A
Application number: CN 200610009187
Authority: CN
Inventors: 张敬胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-20
Filing date: 2006-02-20
Publication date: 2006-08-02

Abstract

An electromagnetic oven with electromagnetic heater is prepared as assembling electromagnetic heater with electromagnetic oven together to form an unified structure then placing pot, kettle and earthenware pot with magnetic inductive bottom on said structure for cooking by utilizing heat generated by said heater.

Description

Electromagnetic heating device and have the electromagnetic oven of electromagnetic heating device

Technical field

The present invention relates to a kind of technical field of electromagnetic induction heating, particularly a kind of electromagnetic heating device and have the electromagnetic oven of electromagnetic heating device.

Background technology

Existing electromagnetic oven or electromagnetic stove are that electric energy is become magnetic energy, by the heat of the inside at the bottom of the various heating appliances such as the pot at the bottom of the magnetic conductivity, kettle by the electromagnetic induction eddy current generation, heat the interior material of heating appliances etc., it has, and firing rate is fast, energy-saving safety, is widely used.But existing electromagnetic oven or electromagnetic stove also have its limitation, be exactly for various heating appliances such as the pot at the bottom of the non-magnetic material, kettle, earth pots, as: the end of the non-magnetic material of various heating appliances such as pottery, glass, aluminium and aluminium alloy, copper and copper alloy, can not produce electromagnetic induction eddy current and generate heat, and then can't heat use on existing electromagnetic oven.Though the end that existing various technology are made the composite bed that has the magnetic conductive material layer with the end of the non-magnetic material of various heating appliances such as pot, kettle, earth pot, for each family, in order effectively to use existing electromagnetic oven, remove to use various heating appliances such as pot at the bottom of the high composite bed that has the magnetic conductive material layer of a lot of costs, kettle, earth pot, and abandoning existingly such as the various heating appliances at the bottom of the non-magnetics such as aluminum pot, that is unpractical.Especially in the laboratory, the end that the heating vessel of all heating at the bottom of with various non-magnetics such as beaker, evaporating dishes all can not be made the composite bed that has the magnetic conductive material layer.

In order to solve the limitation of existing electromagnetic oven or electromagnetic stove, the present invention is design one assembly, a kind of electromagnetic heating device that can produce heat and/or short circuited inductance electric current generation heat by electromagnetic induction eddy current, that electromagnetic heating device and electromagnetic oven are made as one or the electromagnetic heating device is put on the electromagnetic oven, having at the bottom of the magnetic conductivity or pot at the bottom of the non-magnetic, kettle, beaker, various heating appliances such as earth pot are put on the electromagnetic heating device, the heat of utilizing the electromagnetic heating device to produce heats the food in the various heating appliances, water, the wet goods material is to reach traditional stewing, boil, fried, fry, stewing, steam, roasting, rinse, the purpose of various culinary arts such as heating.The present invention can use various heating appliances such as pot at the bottom of the existing various material, kettle, beaker, earth pot, and it has, and firing rate is fast, energy-saving safety, purposes are more etc.The present invention can be used as life usefulness, experiment heating cooler use usefulness, industrial etc., to substitute electric stove, gas-cooker, existing electromagnetic oven etc. and various traditional heating cooler.The present invention can be equipped with DC power-supply system, electrical storage battery and charging circuit etc., can be used in mobile operational process, field easily and have dinner under the situation of AC-less power such as cooking.

Summary of the invention

Technical problem to be solved by this invention is: the present invention is design one assembly, a kind of electromagnetic heating device that can produce heat and/or short circuited inductance electric current generation heat by electromagnetic induction eddy current, that electromagnetic heating device and electromagnetic oven are made as one or the electromagnetic heating device is put on the electromagnetic oven, having at the bottom of the magnetic conductivity or various heating appliances such as pot at the bottom of the non-magnetic, kettle, beaker, earth pot are put on the electromagnetic heating device, the heat of utilizing the electromagnetic heating device to produce is come the material in the various heating appliances such as heating kettle, kettle, beaker, earth pot.

The present invention solves the technical scheme that its technical problem adopts: a kind of electromagnetic heating device and have the electromagnetic oven of electromagnetic heating device, the mainly electromagnetic oven of being made up of each parts such as housing, support and electromagnetic induction coil assembly, saturating magnetic heat-insulating panel, way circuit plate, power inverter, cooling system, control system, protection systems; It is characterized in that: on the saturating magnetic heat-insulating panel of electromagnetic oven, can also be placed with the electromagnetic heating device, on the electromagnetic heating device, also can be placed with the heat conduction backing plate, heating appliances with at the bottom of the suitable various different structure shapes also can be stamped cover cap etc. on the electromagnetic heating device or on the heat conduction backing plate.

On housing, be shaped on the kitchen range eye, in the housing at kitchen range eye place, be equipped with and support and the electromagnetic induction coil assembly, magnetic heat-insulating panel and/or electromagnetic heating device are installed on the housing at kitchen range eye place accordingly.Each parts such as control panel, AC input terminal and/or direct-flow input end are installed on housing.Bottom at housing also can be equipped with base.

The housing of described electromagnetic oven can be made up of loam cake, mesochite and bottom three parts, housing also can be made up of loam cake and lower house two parts, and housing can be made the housing of square shell or rectangle shell or various planforms such as toroidal shell or polygon housing.

Way circuit plate, power inverter etc. are installed in housing, external power source is connected with the way circuit plate by AC input terminal and/or direct-flow input end, on the way circuit plate, also rectifying device, booster circuit etc. can be installed, the way circuit plate is connected with power inverter, and power inverter is connected with the electromagnetic induction coil assembly.External power source can be that DC power supply also can be an AC power, rectifying device is that the power frequency on the way circuit plate (50 hertz or 60 hertz) source current is converted into direct current by bridge-type rectifier, booster circuit is that the direct current with direct-flow input end boosts and is the needed direct current of power inverter, power inverter (or inverter) is to convert direct current to electric current of intermediate frequency or high-frequency current, this electric current of intermediate frequency or high-frequency current flow through the electromagnetic induction coil assembly and produce intermediate frequency or high-frequency alternating magnetic field, the magnetic line of force passes the magnetic heat-insulating panel and enters in the electromagnetic heating device, owing to electromagnetic induction produces vortex flow and/or the short circuited inductance electric current produces heat.Power inverter can be intermediate frequency or High frequency power conversion equipment.The electromagnetic induction coil assembly can be power frequency or intermediate frequency or high-frequency electromagnetic induction coil assembly, can be with reference to technology of existing power frequency electromagnetic oven, intermediate frequency electromagnetic oven and high-frequency electromagnetic oven etc. during making.Can save power inverter for the main-frequency electromagnetic induction coil assembly, the main-frequency electromagnetic induction coil assembly can be the excitation winding that has iron core, also can be a plurality of excitation winding that have the yoke iron core.

Can directly be put on the saturating magnetic heat-insulating panel of electromagnetic oven and removable bascule the electromagnetic heating device, also can be made as one to electromagnetic heating device and saturating magnetic heat-insulating panel or make knock-down movable connection structure.As: can be making knock-down movable connection structure between electromagnetic heating device and the saturating magnetic heat-insulating panel, also can be connected to movable connection structure on the electromagnetic oven to the electromagnetic heating device with hinge, also can be that electromagnetic heating device and saturating magnetic heat-insulating panel are considered as parts, or the like.

Can directly be put on the electromagnetic heating device or on the heat conduction backing plate and removable bascule cover cap, also can be made as one to cover cap and electromagnetic heating device or heat conduction backing plate or make knock-down movable connection structure.As: can be making knock-down movable connection structure between cover cap and electromagnetic heating device or the heat conduction backing plate, also can be connected to cover cap on the electromagnetic heating device or the movable connection structure on the heat conduction backing plate with hinge, also can be that cover cap and electromagnetic heating device or heat conduction backing plate are considered as parts, or the like.

On housing, also can be shaped on two kitchen range eyes or a plurality of kitchen range eye, one group of electromagnetic induction coil assembly all is installed in the housing at each kitchen range eye place, magnetic heat-insulating panel and/or electromagnetic heating device etc. are installed on the housing at each kitchen range eye place, have just constituted the double-oven electromagnetic oven that has the electromagnetic heating device or had many oven electromagnetic ovens of electromagnetic heating device.The single oven electromagnetic oven double-oven electromagnetic oven that has the electromagnetic heating device that be combined into one or that be combined into movable connection structure or the many oven electromagnetic ovens that perhaps two or more the present invention are had the electromagnetic heating device.Heat the field in batches to be fit to laboratory, industry etc.

Described magnetic heat-insulating panel can adopt high strength, saturating magnetic heat-insulating material high temperature resistant, shock-resistant and that thermal shock resistance is good to make, as: transparent glass-ceramics, micro-crystalline ceramic, luminescent ceramic, infrared transmitting ceramic, alumina composite ceramic etc.That saturating magnetic heat-insulating panel can be made is circular tabular, the disk construction of rectangular plate shape, square tabular, different shape such as polygon is tabular, the periphery that also can make the central part indent is the spill housing shape structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, to be fit to the heating appliances at the bottom of the different shape.The electromagnetic induction coil assembly will be complementary with saturating magnetic heat-insulating panel accordingly, the electromagnetic induction coil assembly can be made planar disc structure, also can make the spill disk-like structure of different shapes such as disk-like structure of indent of disk-like structure, shape variable of taper concave surface of curved surface disk-like structure, the central part indent of central part indent.Also electromagnetic induction coil assembly and saturating magnetic heat-insulating panel or electromagnetic heating device can be made the structure of one.

Described electromagnetic heating device mainly is made of magnetic conductor, periphery and/or bottom at magnetic conductor also can be shaped on the heat guard of being made by high-temperature resistant thermal insulating material, magnetic conductor and heat guard can be to be made as one or knock-down movable connection structure, and the magnetic conductor of the different shape of knock-down movable connection structure and the heat guard of different shape will have interchangeability.Bottom in the heat guard of the magnetic conductor bottom of electromagnetic heating device also can be equipped with rotatable rotating disk mechanism assembly, when the electromagnetic heating device that will have a rotatable rotating disk mechanism assembly is put on the saturating magnetic heat-insulating panel of electromagnetic oven, the electromagnetic heating device can be done at any angle with respect to saturating magnetic heat-insulating panel to horizontally rotate, use when making things convenient for everybody to use blocked shot of the present invention, can be with reference to the technology of the rotatable rotating disk mechanism assembly of existing various rotary table tops when making the rotatable rotating disk mechanism assembly of electromagnetic heating device etc., can there be rotatable rotating disk mechanism assembly yet.The heat guard of magnetic conductor bottom can be all or part of tabular or stratiform or block structure, also can be several uniform leg shapes or the annular or toroidal structure in side etc.The heat guard of magnetic conductor bottom will allow the magnetic line of force to see through, the heat guard of magnetic conductor bottom is that the heat that is used for stoping magnetic conductor to produce is delivered on the saturating magnetic heat-insulating panel of electromagnetic oven or in the housing of electromagnetic oven, and allow the magnetic line of force to see through, can be when the thickness of the heat guard of making the magnetic conductor bottom with reference to the designing requirement of electromagentic furnace technology.For heating appliances and saturating magnetic heat-insulating panel at the bottom of electromagnetic heating device and the various different structure shape are complementary, the electromagnetic heating device can be made circular tabular, rectangular plate shape, square tabular, the tabular disk construction that waits different shape of polygon, the periphery that also can make the central part evagination is for circular tabular, rectangular plate shape, square tabular, the tabular convex platy structure that waits different shape of polygon, the periphery that also can make the central part indent is for circular tabular, rectangular plate shape, square tabular, tabular spill platy structure or the spill housing shape structure that waits different shape of polygon.Also can be put into electromagnetic heating device of the present invention on the existing electromagnetic oven, make the heating appliances at the bottom of existing electromagnetic oven can use various materials.

Described magnetic conductor can adopt the material with magnetic conductivity to make, or also can adopt ferromagnetism or magnetic material to make, require high strength, high temperature resistant, thermal shock resistance is good, shock-resistant etc., as: also can be by nickel and nickel alloy, iron and ferroalloy, cobalt and cobalt alloy, ferrite, magnetic stainless steel etc. have the material of magnetic conductivity and make, also can be by having resistivity and going the big various electromagnetic induction materials of skin resistance to make, also can be the magnetic conductor that the mixed sintering by the powdered iron magnetic that produces electromagnetic induction eddy current or magnetic material and binding agent becomes, also can be by electromagnetic induction the magnetic conduction coating that magnetic conduction coating makes etc. of generating heat.The electromagnetic induction heat generation characteristic of magnetic conductor can be along with the frequency of eddy current and the going the different of skin resistance of permeability magnetic material and change is arranged, but can participate in elements such as boron, carbon and phosphorus in permeability magnetic materials such as nickel and nickel alloy, iron and ferroalloy, can obtain the big skin resistance that goes.Described magnetic conductor can be made platy structure, housing shape structure, layer structure of different shape etc.As: the magnetic conductor that can make the platy structure of different shapes such as rectangular slab, circular slab, triangular plate, also can make the magnetic conductor of various housing shape structures such as conical shell, spherical shell, also can on the heat guard of electromagnetic heating device, be shaped on the magnetic conductor of the layer structure of the different shapes of making by permeability magnetic material such as magnetic conduction coating.The thickness of magnetic conductor should go the skin effect degree of depth greater than what determined by the frequency of eddy current and permeability magnetic material, and the thickness of magnetic conductor and size should meet the electromagentic furnace technology requirement of coupling during making.

Center and periphery in the magnetic conductor bottom can be shaped on ferromagnet, ferromagnet adopts ferromagnetism or magnetic material to make, so that the magnetic line of force that the electromagnetic induction coil assembly produces is directed in the magnetic conductor by the ferromagnet of periphery, ferromagnet by the center is directed to the magnetic line of force in the electromagnetic induction coil assembly again, so that the magnetic line of force forms closed loop.Ferromagnet can be several uniform block ferromagnets, also can be that the center is ring-type ferromagnet or several concentric annular ferromagnets for block magnetic conductor periphery.Also can be shaped on heat guard around the ferromagnet, or ferromagnet is produced in the heat guard of magnetic conductor bottom, ferromagnetic thickness should be more than or equal to the thickness of the heat guard of magnetic conductor bottom.

On magnetic conductor and/or inside also can be shaped on electric conductor, can not have electric conductor yet.Electric conductor is to be made by the electrical conductivity electric conducting material more much bigger than magnetic conductor, as copper, aluminium etc.Magnetic conductor can be considered the iron core of core-type transformer, and the electric conductor on the magnetic conductor then can be considered a circle or the number circle short-circuited coil of core-type transformer, so that induced current forms closed short-circuit loop and produces heat.Electric conductor can be that one or more concentric annulars, the annular iso-cross-section in side are the closed ring structure of different shape; electric conductor also can be that end to end cross section is the helix structure (as: clockwork spring shape, mosquito-repellent incense disk-like structure) of different shape; the electric conductor shape structure of also can laminating also can be shaped on the insulating barrier made by high temperature resistant high heat conductive insulating material and protective finish etc. on the area of heating surface of magnetic conductor and electric conductor.Can be when making electric conductor with reference to relevant magnetic energy heating technology.

The operation principle of electromagnetic heating device of the present invention is when the electromagnetic induction coil assembly produces alternating magnetic field, electromagnetic induction eddy current in magnetic conductor inside produces heat, simultaneously, electric conductor on magnetic conductor can be considered a circle of core-type transformer or number circle short-circuited coil and transient flow to be crossed induced current and produces heat, and inductive loop produces heat and/or short circuited inductance electric current and produces hot superposition and makes the electromagnetic heating device reach the purpose of heating.

The body of described heat conduction backing plate can adopt the high-strength high temperature-resistant highly heat-conductive material to make, and can be shaped on heat guard at the periphery of heat conduction backing plate body.The heat conduction backing plate can make heating appliances and the electromagnetic heating device at the bottom of the various different structure shapes be complementary, heat conduction backing plate and/or heat conduction backing plate body can be made the disk construction of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, the periphery that also can make the central part evagination is the convex platy structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, and the periphery that also can make the central part indent is the spill platy structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular.

Described cover cap can be made into the cover cap of various hull shape such as circular cover cap, square cover cap, bell cover cap, and cover cap can be transparent, also can be opaque.On the cover cap inwall, also can be shaped on the thermal radiation reflector, so that heated material evenly heats in the cover cap.

On the electromagnetic heating device and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or also can be separately installed with one or more groups temperature measuring equipment on the electromagnetic induction coil assembly.Described temperature measuring equipment can be wired temperature measuring equipment or wireless temperature measuring device.Wired temperature measuring equipment is on the electromagnetic heating device and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or is separately installed with temperature sensor on the electromagnetic induction coil assembly and is connected with temperature control system in the housing by holding wire.Wireless temperature measuring device is in the electromagnetic heating device and/or in the heat conduction backing plate and/or in the saturating magnetic heat-insulating panel and/or is separately installed with the wireless temperature measurement dispensing device in the electromagnetic induction coil assembly, and the wireless temperature measurement receiving system is installed in housing, the wireless temperature measurement receiving system is connected with temperature control system, to reach the purpose of measuring and controlling temp.Be installed on the electromagnetic heating device respectively and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or wired temperature measuring equipment or wireless temperature measuring device on the electromagnetic induction coil assembly, by wired or wireless load mode can be promptly and accurately with on the electromagnetic heating device and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or the temperature signal on the electromagnetic induction coil assembly be sent to temperature control system in the housing, with realize on the electromagnetic heating device and/or on the heat conduction backing plate and/or heating-up temperature and operating state on the saturating magnetic heat-insulating panel accurately control, wired temperature measuring equipment or wireless temperature measuring device can be with reference to existing wired or wireless transmit-receive technology and wireless remote control technologies etc.Also can be in the electromagnetic heating device and/or the promising wireless temperature measurement dispensing device of the installation in the heat conduction backing plate induction coil of power supply is provided, rectifying and voltage-stabilizing device and electrical storage device etc., induction coil and rectifying and voltage-stabilizing device are coupled together, the rectifying and voltage-stabilizing device is connected with electrical storage device, electrical storage device is connected with the power supply circuits of wireless temperature measurement dispensing device, utilize electrical storage device that the rectifying and voltage-stabilizing device is stored (as: rechargeable battery etc.) to the direct current that the alternating current that induction coil produced carries out after the rectification, electrical storage device can not provide power supply to the wireless temperature measurement dispensing device with not continuing continuously, common batteries also can be installed power supply is provided.Induction coil is transformed into alternating current with the alternating electromagnetic field that the electromagnetic induction coil assembly is produced, utilize the rectifying and voltage-stabilizing device that alternating current is carried out the voltage stabilizing rectification and be direct current, can power supply be provided and, also can not have temperature measuring equipment etc. on the electromagnetic heating device and/or on the heat conduction backing plate the wireless temperature measurement dispensing device the electrical storage device charging.

The temperature measuring equipment of installing on the inwall of saturating magnetic heat-insulating panel and/or electromagnetic heating device in housing is the infrared thermometry system; the heat guard of then saturating magnetic heat-insulating panel and electromagnetic heating device bottom requires to adopt and can see through ultrared material; with respect to the infrared thermometry system of installing in the housing; also can be shaped on locator and one or more thermometric small through hole on the electromagnetic heating device and/or on the heat conduction backing plate respectively; locator can make the thermometric small through hole on the electromagnetic heating device and/or on the heat conduction backing plate can aim at the infrared thermometry device of installing in the housing respectively; the infrared thermometry device can carry out measuring and controlling temp to the end that is heated utensil by the thermometric small through hole on the electromagnetic heating device and/or on the heat conduction backing plate, and can detect on the magnetic heat-insulating panel or have or not on the electromagnetic heating device or on the heat conduction backing plate and be heated utensil and come the Control work state and play a protective role.What also can be filled with high-strength high temperature-resistant in the thermometric small through hole can see through the material that infrared ray maybe can maybe can see through radio magnetic wave through far infrared, as: quartz glasss etc. can not have locator and thermometric small through hole yet.

On saturating magnetic heat-insulating panel and/or also can be shaped on fixing or movable equally distributed pot leg or pan bracket more than three on the electromagnetic heating device and/or on the heat conduction backing plate respectively, be used for steadily placing the various circular base or the heating appliances at the pointed end etc., be shaped on equally distributed pot leg groove more than three accordingly respectively in the bottom of electromagnetic heating device and/or heat conduction backing plate, each pot leg is put into each pot leg groove respectively, make contact-making surface between magnetic heat-insulating panel and electromagnetic heating device, electromagnetic heating device and the heat conduction backing plate smooth etc.Pot leg and pot leg groove also can be used as the locator of thermometric small through hole, can also can not have pan bracket or pot leg and pot leg groove with reference to pot leg or the pan bracket manufacturing technology on the existing various kitchen range when making pan bracket or pot leg.

Can take off or adiabatic protecting components such as openable adiabatic protection network or adiabatic protective plate also can being separately installed with on the electromagnetic heating device and/or on the heat conduction backing plate, burn in order to avoid cause.On the outer surface of electromagnetic heating device and/or heat conduction backing plate, also can be shaped on the resistant to elevated temperatures protective finish such as coating, acid-alkali-corrosive-resisting coating of not being stained with respectively.Being shaped on annexes such as handle on the electromagnetic heating device and/or on the heat conduction backing plate respectively, can there be annexes such as handle yet yet.On the area of heating surface of the area of heating surface of electromagnetic heating device and/or heat conduction backing plate, also can be shaped on heat radiation layer respectively, also can not have heat radiation layer.

The magnetic conductor of described electromagnetic heating device or electromagnetic heating device also can be produced on the end of various heating cookers such as the pot of being made by various materials, kettle, beaker, earth pot.The various heating appliances that have electromagnetic heating device of the present invention can be placed directly on the existing electromagnetic oven, to meet the different needs.

Between the loam cake of housing, mesochite, the bottom each several part or between the loam cake of housing and lower house and the junction between housing and saturating magnetic heat-insulating panel or the electromagnetic heating device also can be shaped on waterproof construction respectively, to prevent that water from entering each components and parts that causes in the housing in the housing and can not normally move.On the outer surface of housing, also luminescent coating can be shaped on, the present invention can be conveniently used in night.On control panel, also can be separately installed with each annex such as indicating device, various button and/or switch, remote control system and remote control window, voice system, warning system, display as required.In housing, also can be separately installed with each parts such as electrical storage battery and charging circuit, control system, protection system, temperature control system, cooling system, antimagnetic shield device, noise reduction silencing apparatus, interchange and/or DC power-supply circuit system as required.Cooling system can make the interior working temperature of housing in the scope that is fit to, and normally moves to guarantee each parts in the housing, and cooling system can adopt the various types of cooling such as fan cooled mode.On housing, be shaped on draft outlet and ventilation import, also can be shaped on filter screen in the ventilation import He on the draft outlet, enter in the housing, and influence the normal operation of electromagnetic oven to prevent foreign material and small insect etc.Charging circuit is to be used for charging to electrical storage battery, electrical storage battery is to be used under the situation that does not have alternating current, electrical storage battery also can be put into the outside of electromagnetic oven housing, utilize lead that the power supply circuits and/or the charging circuit of electrical storage battery and electromagnetic oven are coupled together, electromagnetic oven of the present invention also can adopt various DC power system, also can not have electrical storage battery and charging circuit.Temperature control system can detect temperature signal and its operating state of may command and the heating-up temperature of the temperature measuring equipment of electromagnetic induction coil assembly or saturating magnetic heat-insulating panel or electromagnetic heating device or heat conduction backing plate etc. automatically.

Electromagnetic oven of the present invention also can be shaped on according to specification requirement and prevent the electromagnetic leakage structure, prevent that the electromagnetic leakage structure can be installed on the electromagnetic induction coil assembly, also can be installed in the housing, also can on the inner surface of housing and/or outer surface, be shaped on and prevent the electromagnetic leakage coating or prevent the electromagnetic leakage gauze screen, can be during making with reference to technology of existing anti-electromagnetic leakage structure etc.

Control system of the present invention can adopt numerical control system, the control of electromagnetism heating process, timing controlled, time control, postpone needed various control procedures such as control, temperature control, fuzzy control, wireless control system, non-loaded control, power output control.Control device of the present invention can adopt computer intelligence control, thermojunction type thermometric, far infrared thermometric, infrared thermometry, thermistor temperature detecting, temperature-sensitive diode thermometric, needed various control devices such as photo switch, electronic switch, electromagnetically operated valve, contact witch, remote control system and remote controller, mechanical switch.Display of the present invention can adopt various displays such as digital tubular type display, light-emitting diode display, black and white or colour liquid crystal display device.Wireless control system of the present invention can be used for placing heating appliances and controlling the operating state of electromagnetic oven, also can be used for needed various process wireless control systems such as wireless temperature measurement control system by detecting to have or not on the electromagnetic oven of the present invention, and wireless control system can adopt various wireless transmitter control system such as frequency modulation wireless transmitter, superhet wireless transmitter, far infrared transceiver.Protection system of the present invention can adopt overtemperature protection, overvoltage protection, under-voltage protection, overcurrent protection, anti-foreign matter to detect needed various safeguard measures such as protection, anti-electromagnetic leakage protection, anti-jamming circuit, proof and electric leakage-proof safety, electrocution-proof protection.The present invention can utilize existing various control and protection system etc.

The course of work of the present invention is: the electromagnetic heating device is put on the magnetic heat-insulating panel, the alternating magnetic field that utilizes the electromagnetic induction coil assembly to produce, the magnetic line of force passes the magnetic heat-insulating panel and enters in the electromagnetic heating device, in the magnetic conductor of electromagnetic heating device, produce electromagnetic induction eddy current and produce heat, simultaneously, electric conductor on the magnetic conductor of electromagnetic heating device can be considered a circle of core-type transformer or number circle short-circuited coil and transient flow to be crossed induced current and produces heat, and inductive loop produces heat and/or short circuited inductance electric current and produces that hot superposition makes the electromagnetic heating device or reach heating kettle by the heat conduction backing plate, kettle, beaker, the purpose of the material in the various heating appliances such as earth pot or direct baking food.Also can be stamped cover cap on the electromagnetic heating device or on the heat conduction backing plate, the electromagnetic oven that has the electromagnetic heating device has so just become a vertical baking box.For electromagnetic heating device and saturating magnetic heat-insulating panel is the electromagnetic oven that the present invention of making knock-down movable connection structure has the electromagnetic heating device, and taking off the electromagnetic heating device has been exactly existing electromagnetic oven.The present invention can use various heating appliances such as pot at the bottom of the existing various material, kettle, beaker, earth pot, and it has, and firing rate is fast, energy-saving safety, purposes are more etc.The present invention can be used as life usefulness, experiment heating cooler use usefulness, industrial etc., to substitute electric stove, gas-cooker, existing electromagnetic oven etc. and various traditional heating cooler.The present invention can be equipped with DC power-supply system, electrical storage battery and charging circuit etc., can be used in mobile operational process, field easily and have dinner under the situation of AC-less power such as cooking.

Use and prevent at present existing suitable mature technique such as electromagnetic leakage structure for control system of the present invention, protection system, cooling system, electromagnetic induction coil assembly, electrical storage battery, charging circuit, direct current and/or DC power-supply circuit system, various components and parts, material; the present invention does not add and discusses and explanation, electromagnetic heating device of the present invention only is described and has shape, the structural feature of the electromagnetic oven of electromagnetic heating device.

The present invention is further described below in conjunction with drawings and Examples.

Description of drawings

Fig. 1 is a kind of structural representation that has the electromagnetic oven of electromagnetic heating device.

Fig. 2 is a kind of structural representation of electromagnetic oven of the saturating magnetic heat-insulating panel of spill that has an electromagnetic heating device.

Fig. 3 is a kind of structural representation of electromagnetic oven of the plate shaped panel that electromagnetic heating device and saturating magnetic heat-insulating panel is considered as parts.

Fig. 4 is a kind of structural representation of electromagnetic oven of the spill panel that electromagnetic heating device and saturating magnetic heat-insulating panel is considered as parts.

Fig. 5 is a kind of structural representation that hinge connects the electromagnetic oven of electromagnetic heating device that has.

Fig. 6 is the structural representation that has the electromagnetic oven of rotating disk mechanism assembly on a kind of electromagnetic heating device.

Fig. 7 is the local A structure for amplifying schematic diagram of Fig. 6.

Fig. 8 is a kind of structural representation that has the double-oven electromagnetic oven of electromagnetic heating device.

Fig. 9 is the vertical view of Fig. 8.

Figure 10 is a kind of structure for amplifying schematic diagram of plate shaped electromagnetic heating device.

Figure 11 is the vertical view of Figure 10.

Figure 12 is the structure for amplifying schematic diagram of the magnetic conductor on a kind of electromagnetic heating device.

Figure 13 is the vertical view of Figure 12.

Figure 14 is a kind of structure for amplifying schematic diagram of spill heat conduction backing plate.

Figure 15 is the vertical view of Figure 14.

Embodiment

Adopt embodiment to describe to the present invention, but these embodiment are wherein several example of the present invention, the invention is not restricted to this.

Embodiment 1, as Fig. 1, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, shown in Figure 15, present embodiment is a kind of electromagnetic oven that has the electromagnetic heating device.

Present embodiment has the electromagnetic oven of electromagnetic heating device, mainly the electromagnetic oven of being made up of each parts such as housing 13, support 4 and electromagnetic induction coil assembly 3, saturating magnetic heat-insulating panel 2, way circuit plate 6, power inverter 7, cooling system 8, control system 9, protection systems 10; It is characterized in that: on adiabatic face 2 plates of the saturating magnetic of electromagnetic oven, can also be placed with electromagnetic heating device 1, on electromagnetic heating device 1, also can be placed with heat conduction backing plate 17, heating appliances with at the bottom of the suitable various different structure shapes also can be stamped cover cap 18 etc. on the electromagnetic heating device 1 or on the heat conduction backing plate 17.

On housing 13, be shaped on kitchen range eye 15, support 4 and electromagnetic induction coil assembly 3 are installed in the housing 13 at kitchen range eye 15 places, on the housing 13 at kitchen range eye 15 places, magnetic heat-insulating panel 2 is installed accordingly.Each parts such as control panel 14, AC input terminal 5 and/or direct-flow input end 501 are installed on housing 13.Bottom at housing 13 also can be equipped with base 11.

The housing 13 of present embodiment is made up of loam cake 1301 and lower house 1,302 two parts, and the housing 13 of present embodiment is to make square shell, also can make the housing 13 of various planforms such as rectangle shell or toroidal shell or polygon housing.

Way circuit plate 6, power inverter 7 etc. are installed in housing 13, external power source is connected with way circuit plate 6 by AC input terminal 5 and/or direct-flow input end 501, present embodiment can be made as the dual-purpose power supply formula of AC and DC, also the communication power supply formula can be made as, also dc power supply formula etc. can be made as.Also (not shown)s such as rectifying device, booster circuit can be installed on way circuit plate 6, way circuit plate 6 is connected with power inverter 7, and power inverter 7 is connected with electromagnetic induction coil assembly 3.External power source can be that DC power supply also can be an AC power, rectifying device is that the power frequency on the way circuit plate (50 hertz or 60 hertz) source current is converted into direct current by bridge-type rectifier, booster circuit is that the direct current with direct-flow input end boosts and is power inverter 7 needed direct currents, power inverter 7 (or inverter) is to convert direct current to electric current of intermediate frequency or high-frequency current, this electric current of intermediate frequency or high-frequency current flow through electromagnetic induction coil assembly 3 and produce intermediate frequency or high-frequency alternating magnetic field, the magnetic line of force passes magnetic heat-insulating panel 2 and enters in the electromagnetic heating device 1, owing to electromagnetic induction produces vortex flow and/or the short circuited inductance electric current produces heat.The power inverter 7 of present embodiment is an intermediate frequency power inverter 7, also can be power frequency electric power conversion equipment 7 or High frequency power conversion equipment 7 (as Fig. 2, shown in Figure 3).The electromagnetic induction coil assembly 3 of present embodiment is an intermediate frequency electromagnetic induction coil assembly 3, also can be main-frequency electromagnetic induction coil assembly 3 or high-frequency electromagnetic induction coil assembly 3 (as Fig. 2, shown in Figure 3), can be during making with reference to technology of existing intermediate frequency, high frequency, power frequency electromagnetic oven etc.

Present embodiment is directly to be put into electromagnetic heating device 1 on the saturating magnetic heat-insulating panel 2 of electromagnetic oven and removable bascule, also can be made as one to electromagnetic heating device 1 and saturating magnetic heat-insulating panel 2 or make knock-down movable connection structure (as Fig. 3, Fig. 4, shown in Figure 5).

Present embodiment is directly to be put into cover cap 18 on the electromagnetic heating device 1 or on the heat conduction backing plate 17 and removable bascule, also can be made as one to cover cap 18 and electromagnetic heating device 1 or heat conduction backing plate 17 or make knock-down movable connection structure.

What the saturating magnetic heat-insulating panel 2 of present embodiment adopted is that alumina composite ceramic is made, and also can adopt other saturating magnetic infrared transmitting materials to make, performance such as require to have high strength, high temperature resistant, saturating magnetic, saturating infrared ray, shock-resistant and thermal shock resistance are good.The saturating magnetic heat-insulating panel 2 of present embodiment is made circular plate-like structure, and electromagnetic induction coil assembly 3 will be complementary with saturating magnetic heat-insulating panel 2 accordingly, and electromagnetic induction coil assembly 3 is made planar disc structure.Also electromagnetic induction coil assembly 3 and saturating magnetic heat-insulating panel 2 can be made the structure of one.

The electromagnetic heating device 1 of present embodiment mainly is made of magnetic conductor 101, periphery and whole bottom at magnetic conductor 101 are shaped on the heat guard of being made by high temperature resistant magnetic heat-insulating material 102, magnetic conductor 101 and heat guard 102 are made as one, also can be knock-down movable connection structure, the magnetic conductor 101 and the heat guard 102 of the different shape of knock-down movable connection structure will have interchangeability.The heat guard 102 of magnetic conductor 101 bottoms is that the heat that is used for stoping magnetic conductor 101 to produce is delivered on the saturating magnetic heat-insulating panel 2 of electromagnetic oven or in the housing 13 of electromagnetic oven, and allow the magnetic line of force to see through, can be when the thickness of the heat guard 102 of making magnetic conductor 101 bottoms with reference to the designing requirement of electromagentic furnace technology.The electromagnetic heating device 1 of present embodiment is made circular tabular.Also can be put into the electromagnetic heating device 1 of present embodiment on the existing electromagnetic oven, make the heating appliances at the bottom of existing electromagnetic oven can use various materials.

What the magnetic conductor 101 of present embodiment adopted is that iron and the ferroalloy with magnetic conductive material made, also can adopt other magnetic conductivity, ferromagnetism, magnetic material is made, require high strength, high temperature resistant, thermal shock resistance is good, shock-resistant etc., the magnetic conductor 101 of present embodiment is made circular platy structure, also can make rectangular slab, the magnetic conductor 101 of the platy structure of different shapes such as triangular plate, the thickness of magnetic conductor 101 should go the skin effect degree of depth greater than what determined by the frequency of eddy current and permeability magnetic material, and the thickness of magnetic conductor 101 and size should meet the electromagentic furnace technology requirement of present embodiment during making.

Center and periphery in magnetic conductor 101 bottoms can be shaped on ferromagnet 105 and ferromagnet 106, ferromagnet 105 and ferromagnet 106 adopt ferromagnetism or magnetic material to make, so that the magnetic line of force that electromagnetic induction coil assembly 3 produces is directed in the magnetic conductor 101 by the ferromagnet 106 of periphery, ferromagnet 105 by the center is directed to the magnetic line of force in the electromagnetic induction coil assembly 3 again, so that the magnetic line of force forms closed loop.The ferromagnet 105 of present embodiment is a cylindrical-shaped structure, and ferromagnet 106 is that equally distributed 4 parts are encircled block structure.Ferromagnet 105 and ferromagnet 106 are produced in the heat guard 102 of magnetic conductor 101 bottoms.

Present embodiment is to be shaped on electric conductor 103 on magnetic conductor 101, also can be shaped on electric conductor 103 in magnetic conductor 101 inside.The electric conductor 103 of present embodiment is to be made than magnetic conductor 101 much bigger copper products by electrical conductivity.Magnetic conductor 101 can be considered the iron core of core-type transformer, and the electric conductor 103 on the magnetic conductor 101 then can be considered several circle short-circuited coils of core-type transformer, so that induced current forms closed short-circuit loop and produces heat.The electric conductor 103 of present embodiment is the closed ring structure of a plurality of concentric annulars; electric conductor 103 also can be that end to end cross section is the helix structure (as: clockwork spring shape, mosquito-repellent incense disk-like structure) of different shape, also can be shaped on (not shown)s such as the insulating barrier made by high temperature resistant high heat conductive insulating material and protective finish on the area of heating surface of magnetic conductor 101 and electric conductor 103.Can be when making electric conductor 103 with reference to relevant magnetic energy heating technology.

The body 1701 of the heat conduction backing plate 17 of present embodiment adopts is that the aluminium and the aluminum alloy materials of the high heat conduction of high-strength high temperature-resistant made, and is shaped on heat guard 1702 at the periphery of the body 1701 of heat conduction backing plate 17.Heat conduction backing plate 17 can make heating appliances and the electromagnetic heating device 1 at the bottom of the various different structure shapes be complementary, the periphery that the heat conduction backing plate 17 of present embodiment and heat conduction backing plate body 1701 are made the central part indent is circular tabular spill platy structure, also can make the disk construction of rectangular plate shape, square tabular, different shape such as polygon is tabular, the periphery that also can make the central part indent is the spill platy structure of rectangular plate shape, square tabular, different shape such as polygon is tabular.

The cover cap 18 of present embodiment is to make bell cover cap, also can be made into the cover cap with various hull shape such as circular cover cap, square cover caps, and cover cap 18 can be transparent, also can be opaque.On cover cap 18 inwalls, also can be shaped on the thermal radiation reflector, so that heated material evenly heats in the cover cap 18.

Present embodiment is being shaped on fixing or movable equally distributed three pot legs 208 and three pot legs 108 respectively on the saturating magnetic heat-insulating panel 2 with on the electromagnetic heating device 1, be used for steadily placing the various circular base or the heating appliances at the pointed end etc., be shaped on equally distributed three pot leg grooves 109 and three pot leg grooves 1709 accordingly respectively in the bottom of electromagnetic heating device 1 and heat conduction backing plate 17, so that three pot legs 208 and three pot legs 108 are put into three pot leg grooves 109 and three pot leg grooves 1709 respectively, make magnetic heat-insulating panel 2 and electromagnetic heating device 1, contact-making surface between electromagnetic heating device 1 and the heat conduction backing plate 17 is smooth etc.

Present embodiment is that one or more groups temperature measuring equipment (not shown) is installed on electromagnetic induction coil assembly 3, in housing 13, on the inwall of saturating magnetic heat-insulating panel 2 one group of infrared thermometry device 16 is installed, with respect to infrared thermometry device 16, be shaped on a thermometric small through hole 104 and thermometric small through hole 1704 respectively on the electromagnetic heating device 1 He on the heat conduction backing plate 17, also can be shaped on a plurality of thermometric small through hole 104 and thermometric small through hole 1704 respectively, present embodiment is three pot legs 208 and three pot leg grooves 109, three pot legs 108 and three pot leg grooves 1709 are respectively as the locator of infrared thermometry small through hole 104 and infrared thermometry small through hole 1704.Locator can make on the electromagnetic heating device 1 and heat conduction backing plate 17 on thermometric small through hole 104 and thermometric small through hole 1704 can aim at infrared thermometry device 16 respectively; infrared thermometry device 16 can carry out measuring and controlling temp by the end that thermometric small through hole 104 and/or 1704 pairs of thermometric small through hole are heated utensil, and can detect on the magnetic heat-insulating panel 2 or have or not on the electromagnetic heating device 1 or on the heat conduction backing plate 17 and be heated utensil and come the Control work state and play a protective role.What also can be filled with high-strength high temperature-resistant in thermometric small through hole 104 and thermometric small through hole 1704 can see through ultrared material, as: quartz glass etc.

Can take off or adiabatic protecting component (not shown)s such as openable adiabatic protection network or adiabatic protective plate also can being separately installed with on the electromagnetic heating device 1 and/or on the heat conduction backing plate 17, burn in order to avoid cause.On the outer surface of electromagnetic heating device 1 and/or heat conduction backing plate 17, also can be shaped on the resistant to elevated temperatures protective finish (not shown)s such as coating, acid-alkali-corrosive-resisting coating of not being stained with respectively.Also can be shaped on annexes such as handle 107 and handle 1707 respectively on the electromagnetic heating device 1 and/or on the heat conduction backing plate 17, also can not have annexes such as handle 107 and handle 1707.On the area of heating surface of the area of heating surface of electromagnetic heating device 1 and/or heat conduction backing plate 17, also can be shaped on the heat radiation layer (not shown) respectively, also can not have heat radiation layer.

Also can be shaped on the waterproof construction (not shown) respectively between the loam cake 1301 of housing 13 and the lower house 1302 and junction between housing 13 and the saturating magnetic heat-insulating panel 2, to prevent that water from entering each components and parts that causes in the housing 13 in the housing 13 and can not normally move.On the outer surface of housing 13, also the luminescent coating (not shown) can be shaped on, present embodiment can be conveniently used in night.On control panel 14, also can be separately installed with each annex (not shown) such as indicating device, various button and/or switch, remote control system and remote control window, voice system, warning system, display as required.In housing 13, also can be separately installed with each parts such as electrical storage battery 12 and charging circuit (not shown), control system 9, protection system 10, cooling system 8 as required, in housing 13, also can be separately installed with each parts (not shown) such as temperature control system, antimagnetic shield device, noise reduction silencing apparatus, interchange and/or DC power-supply circuit system as required.Cooling system 8 can make working temperature in the housing 13 in the scope that is fit to, and normally moves to guarantee each parts in the housing 13, and what the cooling system 8 of present embodiment adopted is the fan cooled mode.On housing 13, be shaped on ventilation import 801 and draft outlet (not shown), also can be shaped on the filter screen (not shown) in the ventilation import 801 He on the draft outlet, preventing that foreign material and small insect etc. from entering in the housing 13, and influence the normal operation of present embodiment electromagnetic oven.Charging circuit is to be used for to electrical storage battery 12 chargings, what the electrical storage battery 12 of present embodiment adopted is high polymer high-energy electrical storage battery, electrical storage battery 12 is to be used under the situation that does not have alternating current, electrical storage battery 12 also can be put into the outside of the housing 13 of present embodiment, utilize lead that power supply circuits, the charging circuit of electrical storage battery 12 with present embodiment coupled together, the present embodiment electromagnetic oven also can adopt various DC power system, also can not have electrical storage battery 12 and charging circuit.Temperature control system can detect temperature signal and its operating state of may command and the heating-up temperature of the temperature measuring equipment of electromagnetic induction coil assembly 3, saturating magnetic heat-insulating panel 2, electromagnetic heating device 1, heat conduction backing plate 17 etc. automatically.

The present embodiment electromagnetic oven also can be shaped on according to specification requirement and prevent electromagnetic leakage structure (not shown), prevent that the electromagnetic leakage structure can be installed on the electromagnetic induction coil assembly 3, also can be installed in the housing 13, also can on the inner surface of housing 13 and/or outer surface, be shaped on and prevent the electromagnetic leakage coating or prevent the electromagnetic leakage gauze screen, can be during making with reference to technology of existing anti-electromagnetic leakage structure etc.

The control system 9 of present embodiment can adopt numerical control system, the control of electromagnetism heating process, timing controlled, time control, postpone needed various control procedure (not shown)s such as control, temperature control, fuzzy control, wireless control system, non-loaded control, power output control.The control device of present embodiment can adopt computer intelligence control, thermojunction type thermometric, infrared thermometry, thermistor temperature detecting, temperature-sensitive diode thermometric, needed various control device (not shown)s such as photo switch, electronic switch, electromagnetically operated valve, contact witch, remote control system and remote controller, mechanical switch.The display of present embodiment can adopt various display (not shown)s such as digital tubular type display, light-emitting diode display, black and white or colour liquid crystal display device.The protection system 10 of present embodiment can adopt overtemperature protection, overvoltage protection, under-voltage protection, overcurrent protection, anti-foreign matter to detect needed various safeguard measure (not shown)s such as protection, anti-electromagnetic leakage protection, anti-jamming circuit, proof and electric leakage-proof safety, electrocution-proof protection.Present embodiment can utilize existing various control and protection system etc.

Embodiment 2, as shown in Figure 2, present embodiment is a kind of electromagnetic oven that has the saturating magnetic heat-insulating panel of spill of electromagnetic heating device.

The difference of present embodiment and embodiment 1 is:

1, the saturating magnetic heat-insulating panel 2 of the present embodiment periphery of making the central part indent is circular tabular spill housing shape structure, electromagnetic induction coil assembly 3 will be complementary with saturating magnetic heat-insulating panel 2 accordingly, and electromagnetic induction coil assembly 3 is made the disk-like structure of central part indent.Also electromagnetic induction coil assembly 3 and saturating magnetic heat-insulating panel 2 can be made the structure of one.

What 2, the electromagnetic induction coil assembly 3 of present embodiment adopted is main-frequency electromagnetic induction coil assembly 3, saved the power inverter 7 of embodiment 1, the main-frequency electromagnetic induction coil assembly 3 of present embodiment can be the excitation winding that has iron core, also can be a plurality of excitation winding that have the yoke iron core.Can be during making with reference to technology of existing power frequency electromagnetic oven etc.

3, the electromagnetic heating device 1 of present embodiment and saturating magnetic heat-insulating panel 2 periphery of making the central part evagination that is complementary is circular tabular convex platy structure, and the periphery that also can make the central part evagination is the convex platy structure of rectangular plate shape, square tabular, different shape such as polygon is tabular.Present embodiment is the electric conductor 103 that has saved embodiment 1 on magnetic conductor 101.Because the heating appliances at the bottom of the existing various non-magnetic conductions all is flat basically, and the heating appliances at the circular base and the pointed end all be basically irony with magnetic stainless steel, so present embodiment is at three pot legs 208 that saved embodiment 1 on the saturating magnetic heat-insulating panel 2 and on the electromagnetic heating device 1 and three pot legs 108 and three pot leg grooves 109.Present embodiment also can be placed with heat conduction backing plate 17 and the cover cap 18 of embodiment 1 on electromagnetic heating device 1, also can not have heat conduction backing plate 17 and the cover cap 18 of embodiment 1.

4, the center of magnetic conductor 101 bottoms of the electromagnetic heating device 1 of present embodiment and periphery can be shaped on ferromagnet 105 and ferromagnet 106, and the ferromagnet 105 of present embodiment is a cylindrical-shaped structure, and ferromagnet 106 is concentric annular structures.Ferromagnet 105 and ferromagnet 106 are produced in the heat guard 102 of magnetic conductor 101 bottoms.

What 5, the heat guard 102 of the saturating magnetic heat-insulating panel 2 of present embodiment and electromagnetic heating device 1 adopted is made by the saturating ultrared heat-insulating material of high temperature resistant magnetic, has saved the thermometric small through hole 104 of the electromagnetic heating device 1 of embodiment 1.Be installed in the infrared thermometry device 16 on the inwall of saturating magnetic heat-insulating panels 2 in the housing 13, the heat guard 102 of utilizing infrared ray to see through magnetic heat-insulating panel 2 and electromagnetic heating device 1 directly detects magnetic conductor 101 heating-up temperatures of the electromagnetic heating device 1 of present embodiments and comes the Control work state.

Other structures are with embodiment 1.

Embodiment 3, as shown in Figure 3, present embodiment are a kind of electromagnetic ovens that electromagnetic heating device and saturating magnetic heat-insulating panel is considered as the plate shaped panel of parts.

The difference of present embodiment and embodiment 1 is:

1, present embodiment is that electromagnetic heating device 1 and saturating magnetic heat-insulating panel 2 are considered as a parts electromagnetic heating device 1, is placed with the pan bracket 20 that the structure 19 that is connected through the hinge connects on electromagnetic heating device 1.The center of magnetic conductor 101 bottoms of the electromagnetic heating device 1 of present embodiment and periphery have saved ferromagnet 105 and the ferromagnet 106 of embodiment 1, have saved three pot legs 108 and three pot leg grooves 109 on the electromagnetic heating device 1 of embodiment 1.

What 2, the power inverter 7 of present embodiment adopted is High frequency power conversion equipment 7, and what the electromagnetic induction coil assembly 3 of present embodiment adopted is high-frequency electromagnetic induction coil assembly 3, can be with reference to the technology of existing high-frequency electromagnetic oven during making etc.

3, the electromagnetic heating device 1 of present embodiment is made rectangular flat shape structure, and electromagnetic induction coil assembly 3 is made planar disc structure.Also electromagnetic induction coil assembly 3 and electromagnetic heating device 1 can be made the structure of one.Saved heat conduction backing plate 17 and the cover cap 18 of embodiment 1,

What 4, the magnetic conductor 101 of present embodiment electromagnetic heating device 1 adopted is the high-quality magnetic stainless steel and iron cobalt alloy of frequency electromagnetic waves exothermic material.

5, on the inwall of present embodiment electromagnetic heating device 1 in housing 13 two groups of infrared thermometry devices 1601 and infrared thermometry device 1602 are installed; with respect to infrared thermometry device 1601; on electromagnetic heating device 1, be shaped on a thermometric small through hole 104; infrared thermometry device 1601 can carry out measuring and controlling temp by the end that 104 pairs of thermometric small through hole are heated utensil, and can detect on the electromagnetic heating device 1 or have or not on the pan bracket 20 and be heated utensil and come the Control work state and play a protective role.What be filled with high-strength high temperature-resistant in thermometric small through hole 104 can see through ultrared material, as: quartz glass etc.What the heat guard 102 of the electromagnetic heating device 1 of present embodiment adopted is made by the saturating ultrared heat-insulating material of high temperature resistant magnetic, infrared thermometry device 1602, the heat guard 102 of utilizing infrared ray to see through electromagnetic heating device 1 directly detect magnetic conductor 101 heating-up temperatures of the electromagnetic heating device 1 of present embodiment and come the Control work state.

Other structures are with embodiment 1.

Single oven electromagnetic oven double-oven electromagnetic oven that has the electromagnetic heating device that be combined into one or that be combined into movable connection structure or many oven electromagnetic ovens that two or more present embodiments can be had electromagnetic heating device 1.Heat the field in batches to be fit to laboratory, industry etc.

Embodiment 4, as shown in Figure 4, present embodiment are a kind of electromagnetic ovens that electromagnetic heating device and saturating magnetic heat-insulating panel is considered as the spill panel of parts.

The difference of present embodiment and embodiment 1 is:

1, present embodiment is that electromagnetic heating device 1 and saturating magnetic heat-insulating panel 2 are considered as a parts electromagnetic heating device 1, the center of magnetic conductor 101 bottoms of the electromagnetic heating device 1 of present embodiment and periphery have saved ferromagnet 105 and the ferromagnet 106 of embodiment 1, have saved three pot legs 108 and three pot leg grooves 109 on the electromagnetic heating device 1 of embodiment 1.The periphery that the electromagnetic heating device 1 of present embodiment is made the central part indent is circular tabular spill housing shape structure, and electromagnetic induction coil assembly 3 will be complementary with electromagnetic heating device 1 accordingly, and electromagnetic induction coil assembly 3 is made the disk-like structure of central part indent.Also electromagnetic induction coil assembly 3 and electromagnetic heating device 1 can be made the structure of one.

2, the magnetic conductor 101 of present embodiment electromagnetic heating device 1 is made spherical shell shape structure, also can be shaped on the magnetic conductor 101 of the layer structure of the magnetic conduction coating of being made by permeability magnetic material on the heat guard 102 of electromagnetic heating device 1.The thickness of magnetic conductor 101 should go the skin effect degree of depth greater than what determined by the frequency of eddy current and permeability magnetic material, and the thickness of magnetic conductor 101 and size should meet the electromagentic furnace technology requirement of present embodiment during making.

What 3, the heat guard 102 of present embodiment electromagnetic heating device 1 adopted is made by the saturating ultrared heat-insulating material of high temperature resistant magnetic, has saved the thermometric small through hole 104 of the electromagnetic heating device 1 of embodiment 1.Be installed in the infrared thermometry device 16 on the inwall of electromagnetic heating devices 1 in the housing 13, the heat guard 102 of utilizing infrared ray to see through electromagnetic heating device 1 directly detects magnetic conductor 101 heating-up temperatures of present embodiment electromagnetic heating devices 1 and comes the Control work state.

4, the heat conduction backing plate 17 of present embodiment and electromagnetic heating device 1 periphery of making the central part evagination that is complementary is circular tabular convex platy structure, and the periphery that also can make the central part evagination is the convex platy structure of rectangular plate shape, square tabular, different shape such as polygon is tabular.

5, also can be placed with the cover cap 18 of embodiment 1 on the heat conduction backing plate 17 of present embodiment, also can not have

The cover cap 18 of embodiment 1.

Other structures are with embodiment 1.

Single oven electromagnetic oven double-oven electromagnetic oven that has the electromagnetic heating device that be combined into one or that be combined into movable connection structure or many oven electromagnetic ovens that two or more present embodiments can be had the electromagnetic heating device.Heat the field in batches to be fit to laboratory, industry etc.

Embodiment 5, as shown in Figure 5, present embodiment are a kind of electromagnetic ovens that hinge connects the electromagnetic heating device that has.

The difference of present embodiment and embodiment 1 is:

1, the electromagnetic heating device 1 of present embodiment and saturating magnetic heat-insulating panel 2 are all made rectangular flat shape structure, and present embodiment has saved three pot legs 108 of embodiment 1 electromagnetic heating device 1.Present embodiment also can be placed with heat conduction backing plate 17 and the cover cap 18 of embodiment 1 on electromagnetic heating device 1, also can not have heat conduction backing plate 17 and the cover cap 18 of embodiment 1.

2, present embodiment is put into electromagnetic heating device 1 structure 19 that is connected through the hinge on the magnetic heat-insulating panel 2.

Other structures are with embodiment 1.

Embodiment 6, as Fig. 6, shown in Figure 7, present embodiment is the electromagnetic oven that has the rotating disk mechanism assembly on a kind of electromagnetic heating device.

The difference of present embodiment and embodiment 1 is:

1, present embodiment is in the bottom of the heat guard 102 of electromagnetic heating device 1 rotatable rotating disk mechanism assembly 1010 to be installed, when the electromagnetic heating device 1 that will have a rotatable rotating disk mechanism assembly 1010 is put on the saturating magnetic heat-insulating panel 2 of electromagnetic oven, electromagnetic heating device 1 can be done at any angle with respect to saturating magnetic heat-insulating panel 2 to horizontally rotate, use when making things convenient for everybody to use the present embodiment blocked shot, can be with reference to the technology of the rotatable rotating disk mechanism assembly of existing various rotary table tops when making the rotatable rotating disk mechanism assembly 1010 of electromagnetic heating device 1 etc.

2, present embodiment is on saturating magnetic heat-insulating panel 2 and has saved three pot legs 208 and three pot legs 108 and three pot leg grooves 109 of embodiment 1 on the electromagnetic heating device 1.Present embodiment also can be placed with heat conduction backing plate 17 and the cover cap 18 of embodiment 1 on electromagnetic heating device 1, also can not have heat conduction backing plate 17 and the cover cap 18 of embodiment 1.Present embodiment is to be placed with removable pan bracket 20 on electromagnetic heating device 1.

3, because present embodiment adopts is rotatable electromagnetic heating device 1, so adopt wireless temperature measuring device, wireless temperature measuring device comprises wireless temperature measurement dispensing device 21 and wireless temperature measurement receiving system 22.Present embodiment is that one group of wireless temperature measurement dispensing device 21 is installed in the heat guard 102 of electromagnetic heating device 1; and wireless temperature measurement receiving system 22 is installed in housing 13; the infrared temperature sensor 2101 that is installed in the wireless temperature measurement dispensing device 21 in the electromagnetic heating device 1 can be heated the end of utensil by 104 pairs of the thermometric small through hole of electromagnetic heating device 1 and carry out thermometric; and temperature signal is sent to the wireless temperature measurement receiving system 22 that is installed in the housing 13; wireless temperature measurement receiving system 22 is sent to temperature control system (not shown) in the housing 13 with temperature signal; with realize on the electromagnetic heating device 1 or the heating-up temperature and the operating state that are heated utensil on the pan bracket 20 accurately control; wireless temperature measuring device can detect on the electromagnetic heating device 1 or have or not on the pan bracket 20 and be heated utensil and come the Control work state and play a protective role, and the wireless temperature measuring device of present embodiment can be with reference to existing wireless transmit-receive technology and wireless remote control technology etc.What be filled with high-strength high temperature-resistant in thermometric small through hole 104 can see through ultrared material, as: quartz glass etc.

4, present embodiment is installed induction coil 2103, rectifying and voltage-stabilizing device 2102 and the electrical storage device 2104 etc. that promising wireless temperature measurement dispensing device 21 provides power supply in the heat guard 102 of electromagnetic heating device 1, common batteries also can be installed the power supply (not shown) is provided.When the coil diameter of the diameter of induction coil 2103 and the electromagnetic induction coil assembly 3 of present embodiment is identical, making 3-5 circle can produce the supply voltage about 10V, induction coil 2103 and rectifying and voltage-stabilizing device 2102 are coupled together, rectifying and voltage-stabilizing device 2102 is connected with electrical storage device 2104, electrical storage device 2104 is connected (not shown) with the power supply circuits of wireless temperature measurement dispensing device 21, the direct current that the alternating current that utilizes electrical storage device 2104 that 2102 pairs of induction coils 2103 of rectifying and voltage-stabilizing device are produced carries out after the rectification stores, what present embodiment electrical storage device 2104 adopted is the button rechargeable battery, and electrical storage device 2104 can not provide power supply to wireless temperature measurement dispensing device 21 with not continuing continuously.Common batteries also can be installed power supply is provided.Induction coil 2103 is transformed into alternating current with the alternating electromagnetic field that electromagnetic induction coil assembly 3 is produced, utilize 2102 pairs of alternating currents of rectifying and voltage-stabilizing device to carry out the voltage stabilizing rectification and be direct current, can send wireless temperature measurement and adorn 21 and put and provide power supply and electrical storage device 2104 chargings.

Other structures are with embodiment 1.

Embodiment 7, as Fig. 8, shown in Figure 9, present embodiment is a kind of double-oven electromagnetic oven that has the electromagnetic heating device.

Present embodiment is that the electromagnetic heating device of the electromagnetic oven of the saturating magnetic heat-insulating panel of the spill that has the electromagnetic heating device of embodiment 2 and embodiment 3 and the electromagnetic oven that saturating magnetic heat-insulating panel is considered as the plate shaped panel of parts are combined the structure of making one.

The housing 13 of present embodiment is made up of three parts such as loam cake 1301, mesochite 1302 and bottoms 1303, and the housing 13 of present embodiment is to make rectangular housing 13.On housing 13, be shaped on left kitchen range eye 15L and two kitchen range eyes of right kitchen range eye 15R, one group of spill plate-like electromagnetic induction coil assembly 3L is installed in the housing 13 at left kitchen range eye 15L place, one group of plate shaped electromagnetic induction coil assembly 3R is installed in the housing 13 at right kitchen range eye 15R place, spill saturating magnetic heat-insulating panel 2L and the tabular electromagnetic heating device of convex 1L are installed on the housing 13 at left kitchen range eye 15L place, plate shaped electromagnetic heating device 1R (present embodiment is that right electromagnetic heating device 1R and right saturating magnetic heat-insulating panel 2R are considered as a parts electromagnetic heating device 1R) is installed on the housing 13 at right kitchen range eye 15R place.

Removable movable pan bracket 20 can be put on the left electromagnetic heating device 1L, also can be put on the right electromagnetic heating device 1R.Removable cover cap 18 can be put on the left electromagnetic heating device 1L, also can be put on the right electromagnetic heating device 1R, control panel 14 is installed on the front bevel plate of housing 13, AC input terminal 5 and direct-flow input end 501 are installed on the rear wall of housing 13, and electrical storage battery 12 is installed in middle part in the housing 13.

Scheme with present embodiment, on housing 13, also can be shaped on a plurality of kitchen range eyes 15, one group of electromagnetic induction coil assembly 3 all is installed in the housing 13 at each kitchen range eye 15 place, magnetic heat-insulating panel 2 and/or electromagnetic heating device 1 etc. are installed on the housing 13 at each kitchen range eye 15 place, have just constituted the many oven electromagnetic ovens that have the electromagnetic heating device.Heat the field in batches to be fit to laboratory, industry etc.

Claims

1. an electromagnetic heating device and have the electromagnetic oven of electromagnetic heating device, the mainly electromagnetic oven of forming by each parts such as housing, support and electromagnetic induction coil assembly, saturating magnetic heat-insulating panel, way circuit plate, power inverter, cooling system, control system, protection systems; It is characterized in that: on the saturating magnetic heat-insulating panel of electromagnetic oven, can also be placed with the electromagnetic heating device, on the electromagnetic heating device, also can be placed with the heat conduction backing plate, also can be stamped cover cap etc. on the electromagnetic heating device or on the heat conduction backing plate;

Also electromagnetic induction coil assembly and saturating magnetic heat-insulating panel or electromagnetic heating device can be made the structure of one;

On housing, be shaped on the kitchen range eye, in the housing at kitchen range eye place, be equipped with and support and the electromagnetic induction coil assembly, magnetic heat-insulating panel and/or electromagnetic heating device are installed on the housing at kitchen range eye place accordingly;

Each parts such as control panel, AC input terminal and/or direct-flow input end are installed on housing;

Bottom at housing also can be equipped with base;

Way circuit plate, power inverter etc. are installed in housing, external power source is connected with the way circuit plate by AC input terminal and/or direct-flow input end, on the way circuit plate, also rectifying device, booster circuit etc. can be installed, the way circuit plate is connected with power inverter, and power inverter is connected with the electromagnetic induction coil assembly;

Power inverter can be intermediate frequency or High frequency power conversion equipment; The electromagnetic induction coil assembly can be power frequency or intermediate frequency or high-frequency electromagnetic induction coil assembly; Can save power inverter for the main-frequency electromagnetic induction coil assembly;

Can directly be put on the saturating magnetic heat-insulating panel of electromagnetic oven and removable bascule the electromagnetic heating device, also can be made as one to electromagnetic heating device and saturating magnetic heat-insulating panel or make knock-down movable connection structure;

Can directly be put on the electromagnetic heating device or on the heat conduction backing plate and removable bascule cover cap, also can be made as one to cover cap and electromagnetic heating device or heat conduction backing plate or make knock-down movable connection structure;

On housing, also can be shaped on two kitchen range eyes or a plurality of kitchen range eye, one group of electromagnetic induction coil assembly all is installed in the housing at each kitchen range eye place, magnetic heat-insulating panel and/or electromagnetic heating device etc. are installed on the housing at each kitchen range eye place; Perhaps two or more the present invention are had that single oven electromagnetic oven of electromagnetic heating device is combined into one or be combined into movable connection structure;

On the electromagnetic heating device and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or also can be separately installed with one or more groups temperature measuring equipment on the electromagnetic induction coil assembly; Can there be temperature measuring equipment etc. on the electromagnetic heating device and/or on the heat conduction backing plate yet;

Also can be shaped on locator and one or more thermometric small through hole on the electromagnetic heating device and/or on the heat conduction backing plate respectively, what also can be filled with high-strength high temperature-resistant in the thermometric small through hole can see through the material that infrared ray maybe can maybe can see through radio magnetic wave through far infrared, also can not have locator and thermometric small through hole;

On saturating magnetic heat-insulating panel and/or also can be shaped on fixing or movable equally distributed pot leg or pan bracket more than three on the electromagnetic heating device and/or on the heat conduction backing plate respectively, be shaped on equally distributed pot leg groove more than three accordingly in the bottom of electromagnetic heating device and/or heat conduction backing plate respectively, also can not have pan bracket or pot leg and pot leg groove;

Can take off or adiabatic protecting components such as openable adiabatic protection network or adiabatic protective plate also can being separately installed with on the electromagnetic heating device and/or on the heat conduction backing plate;

On the outer surface of electromagnetic heating device and/or heat conduction backing plate, also can be shaped on the resistant to elevated temperatures protective finish such as coating, acid-alkali-corrosive-resisting coating of not being stained with respectively;

Being shaped on annexes such as handle on the electromagnetic heating device and/or on the heat conduction backing plate respectively, can there be annexes such as handle yet yet;

On the area of heating surface of the area of heating surface of electromagnetic heating device and/or heat conduction backing plate, also can be shaped on heat radiation layer respectively, also can not have heat radiation layer;

The magnetic conductor of described electromagnetic heating device or electromagnetic heating device also can be produced on the end of various heating cookers such as the pot of being made by various materials, kettle, beaker, earth pot;

Between the loam cake of housing, mesochite, the bottom each several part or between the loam cake of housing and lower house and the junction between housing and saturating magnetic heat-insulating panel or the electromagnetic heating device also can be shaped on waterproof construction respectively; On the outer surface of housing, also can be shaped on luminescent coating;

On control panel, also can be separately installed with each annex such as indicating device, various button and/or switch, remote control system and remote control window, voice system, warning system, display;

In housing, also can be separately installed with each parts such as electrical storage battery and charging circuit, control system, protection system, temperature control system, cooling system, antimagnetic shield device, noise reduction silencing apparatus, interchange and/or DC power-supply circuit system;

On housing, be shaped on draft outlet and ventilation import, also can be shaped on filter screen in the ventilation import He on the draft outlet;

Electromagnetic oven of the present invention also can be shaped on and prevent the electromagnetic leakage structure, prevent that the electromagnetic leakage structure can be installed on the electromagnetic induction coil assembly, also can be installed in the housing, also can on the inner surface of housing and/or outer surface, be shaped on and prevent the electromagnetic leakage coating or prevent the electromagnetic leakage gauze screen.

2. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described housing can be made up of loam cake, mesochite and bottom three parts, housing also can be made up of loam cake and lower house two parts, and housing can be made the housing of square shell or rectangle shell or various planforms such as toroidal shell or polygon housing.

3. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described magnetic heat-insulating panel can adopt the magnetic heat-insulating material to make;

That saturating magnetic heat-insulating panel can be made is circular tabular, the disk construction of rectangular plate shape, square tabular, different shape such as polygon is tabular, and the periphery that also can make the central part indent is the spill housing shape structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular.

4. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described electromagnetic induction coil assembly can be made planar disc structure, also can make the spill disk-like structure of different shapes such as disk-like structure of indent of disk-like structure, shape variable of taper concave surface of curved surface disk-like structure, the central part indent of central part indent.

5. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described electromagnetic heating device mainly is made of magnetic conductor, periphery and/or bottom at magnetic conductor also can be shaped on the heat guard of being made by high-temperature resistant thermal insulating material, magnetic conductor and heat guard can be to be made as one or knock-down movable connection structure, and the magnetic conductor of the different shape of knock-down movable connection structure and the heat guard of different shape will have interchangeability;

Bottom in the heat guard of the magnetic conductor bottom of electromagnetic heating device also can be equipped with rotatable rotating disk mechanism assembly, also can not have rotatable rotating disk mechanism assembly;

The heat guard of magnetic conductor bottom can be all or part of tabular or stratiform or block structure, also can be several uniform leg shapes or the annular or toroidal structure in side etc.;

The electromagnetic heating device can be made the disk construction of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, the periphery that also can make the central part evagination is the convex platy structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, and the periphery that also can make the central part indent is the spill platy structure or the spill housing shape structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular;

Described magnetic conductor can adopt the material with magnetic conductivity to make, or also can adopt ferromagnetism or magnetic material to make; Described magnetic conductor can be made platy structure, housing shape structure, layer structure of different shape etc.;

Center and periphery in the magnetic conductor bottom can be shaped on ferromagnet, and ferromagnet adopts ferromagnetism or magnetic material to make; Ferromagnet can be several uniform block ferromagnets, also can be that the center is ring-type ferromagnet or several concentric annular ferromagnets for block magnetic conductor periphery; Around ferromagnet, also can be shaped on heat guard, or ferromagnet is produced in the heat guard of magnetic conductor bottom;

On magnetic conductor and/or inside also can be shaped on electric conductor, can not have electric conductor yet; Electric conductor is to be made by the electrical conductivity electric conducting material more much bigger than magnetic conductor; Electric conductor can be that one or more concentric annulars, the annular iso-cross-section in side are the closed ring structure of different shape, and electric conductor also can be that end to end cross section is the helix structure of different shape, the electric conductor shape structure of also can laminating; On the area of heating surface of magnetic conductor and electric conductor, also can be shaped on the insulating barrier made by high temperature resistant high heat conductive insulating material and protective finish etc.

6. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: the body of described heat conduction backing plate can adopt the high-strength high temperature-resistant highly heat-conductive material to make, and can be shaped on heat guard at the periphery of heat conduction backing plate body; Heat conduction backing plate and/or heat conduction backing plate body can be made the disk construction of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, the periphery that also can make the central part evagination is the convex platy structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular, and the periphery that also can make the central part indent is the spill platy structure of circular tabular, rectangular plate shape, square tabular, different shape such as polygon is tabular.

7. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described cover cap can be made into the cover cap of various hull shape such as circular cover cap, square cover cap, bell cover cap, cover cap can be transparent, also can be opaque; On the cover cap inwall, also can be shaped on the thermal radiation reflector.

8. electromagnetic heating device according to claim 1 and have the electromagnetic oven of electromagnetic heating device, it is characterized in that: described temperature measuring equipment can be wired temperature measuring equipment or wireless temperature measuring device;

Wired temperature measuring equipment is on the electromagnetic heating device and/or on the heat conduction backing plate and/or on the saturating magnetic heat-insulating panel and/or is separately installed with temperature sensor on the electromagnetic induction coil assembly and is connected with temperature control system in the housing by holding wire;

Wireless temperature measuring device is in the electromagnetic heating device and/or in the heat conduction backing plate and/or in the saturating magnetic heat-insulating panel and/or is separately installed with the wireless temperature measurement dispensing device in the electromagnetic induction coil assembly, and the wireless temperature measurement receiving system is installed in housing, the wireless temperature measurement receiving system is connected with temperature control system;

Also can be in the electromagnetic heating device and/or the promising wireless temperature measurement dispensing device of the installation in the heat conduction backing plate induction coil, rectifying and voltage-stabilizing device and the electrical storage device etc. of power supply are provided, induction coil and rectifying and voltage-stabilizing device are coupled together, the rectifying and voltage-stabilizing device is connected with electrical storage device, and electrical storage device is connected with the power supply circuits of wireless temperature measurement dispensing device; Common batteries also can be installed power supply is provided.