CN113598619A - General type electromagnetic heating system - Google Patents

General type electromagnetic heating system Download PDF

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Publication number
CN113598619A
CN113598619A CN202110904640.5A CN202110904640A CN113598619A CN 113598619 A CN113598619 A CN 113598619A CN 202110904640 A CN202110904640 A CN 202110904640A CN 113598619 A CN113598619 A CN 113598619A
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CN
China
Prior art keywords
electromagnetic
heating
power supply
circuit
receiving coil
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Pending
Application number
CN202110904640.5A
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Chinese (zh)
Inventor
陈毅强
张骏升
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Foshan Renzocha Buliang Technology Co ltd
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Foshan Renzocha Buliang Technology Co ltd
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Publication of CN113598619A publication Critical patent/CN113598619A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/2483—Warming devices with electrical heating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/004—Cooking-vessels with integral electrical heating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/26—Devices for warming vessels containing drinks or food, especially by means of burners Warming devices with a burner, e.g. using gasoline; Travelling cookers, e.g. using petroleum or gasoline with one burner
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

The invention relates to a universal electromagnetic heating system, which comprises a heating container for storing a heated body and an electric heating circuit arranged on the heating container; the electric heating circuit comprises an electric heating component for heating a heated body and a wireless power supply circuit for realizing wireless power supply; the wireless power supply circuit comprises an electromagnetic power receiving coil which generates induced current by utilizing the electromagnetic induction principle, and the electric heating component circuit is connected with the electromagnetic power receiving coil to obtain the induced current generated by the electromagnetic power receiving coil. This electromagnetic heating system utilizes the electromagnetic induction principle to supply with the electric energy for electric heating element, and then heats through electric heating element, because the electromagnetism stove can be kept away from to heating container under this structure, so the heat on the heating container is difficult to transmit to the electromagnetism stove in order to guarantee that its surface temperature can not be too high, effectively solves the safety problem that all current electromagnetism stove products exist on the market, and eliminates the potential safety hazard, has overcome the defect and the not enough that current electromagnetism stove exists.

Description

General type electromagnetic heating system
Technical Field
The invention relates to an electric heating device, in particular to a universal electromagnetic heating system.
Background
The electric heating products on the market at present comprise an induction cooker, a light wave oven, an electric heating wire oven and the like. Wherein, the electromagnetic oven product realizes heating by applying the electromagnetic heating principle; specifically, a coil on the induction cooker is electrified to generate a magnetic field, and a metal pot (generally a stainless steel pot) is placed in the magnetic field, so that the bottom of the iron-containing metal pot generates eddy current to generate heat to realize heating; however, the heating method requires the metal pot to be directly placed on the induction cooker, so that the heat (generally over 100 ℃) at the bottom of the metal pot is directly transferred to the induction cooker, the surface temperature of the induction cooker is high, scalding or fire accidents are easy to occur, and the news of scalding and fire disasters are frequently seen due to improper use of the induction cooker; in addition, the metal pot that matches with electromagnetism stove in the market and use does not generally have safe structure, if: the dry burning prevention structure leads the existing metal pot to be easily damaged due to the dry burning phenomenon frequently, and has low safety factor; therefore, related safety accidents are easily caused by improper operation of the induction cooker, great potential safety hazards exist, common defects and shortcomings of the existing induction cooker products all over the world exist, and the problem that breakthrough is difficult to overcome is solved. The light wave stove is heated by directly heating liquid in the container by using high-temperature far infrared rays, the surface temperature of the light wave stove is also very high after the light wave stove is used, and accidents such as scalding, fire disasters and the like are easy to occur. Although the electric heating wire furnace can not cause the surface temperature of the base to be overhigh, the electric connection structure between the kettle body and the base has certain defects, such as: the electric contact on the kettle body and the electric contact on the base are easy to be misplaced and failed, and when the kettle body is separated from the base, the electric contact on the base is exposed and is easy to be stained with water, so that electric shock accidents are easy to occur.
Therefore, further improvements to existing electric heating products are needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a universal electromagnetic heating system, the electromagnetic heating system supplies electric energy to an electric heating component by utilizing the electromagnetic induction principle and further heats the electric heating component, and in the structure, as the heating container can be far away from the electromagnetic oven, the heat on the heating container is difficult to transfer to the electromagnetic oven so as to ensure that the surface temperature of the electromagnetic oven is not too high, so that the safety problems of all the existing electromagnetic oven products in the market are effectively solved, the potential safety hazard is eliminated, and the defects of the existing electromagnetic oven are overcome.
The purpose of the invention is realized as follows:
a general electromagnetic heating system comprises a heating container for storing a heated body and an electric heating circuit arranged on the heating container; the electric heating circuit comprises an electric heating component for heating a heated body and a wireless power supply circuit for realizing wireless power supply; the wireless power supply circuit comprises an electromagnetic power receiving coil which generates induced current by utilizing the electromagnetic induction principle, and the electric heating component circuit is connected with the electromagnetic power receiving coil to obtain the induced current generated by the electromagnetic power receiving coil.
The system also comprises a capacitor device which forms a resonance circuit with the electromagnetic receiving coil; the capacitor device is connected in parallel with the electromagnetic power receiving coil.
A heat insulation layer and/or a magnetic isolation layer are/is arranged between the electromagnetic receiving coil and the heating container; and/or a heat insulation layer and/or a magnetic insulation layer are/is arranged between the capacitor device and the heating container.
The system also comprises magnetic conducting strips arranged on the electromagnetic power receiving coil, wherein the magnetic conducting strips are arranged in more than one piece, preferably four to twelve pieces, and the magnetic conducting strips are distributed on the side surface of the electromagnetic power receiving coil facing the heating container; the magnetic conduction strip can increase the inductance of the electromagnetic receiving coil, and simultaneously changes the appearance of an electromagnetic field on one side of the electromagnetic receiving coil, so that more energy is concentrated on the other side, the effect of collecting magnetic energy is achieved, and the efficiency of the system is improved.
The system also comprises a low-voltage load circuit arranged on the heating container; the low-voltage load circuit comprises a low-voltage load component and a wireless low-voltage circuit for realizing wireless power supply; the wireless low-voltage circuit comprises an electromagnetic receiving coil which generates induced current by utilizing the principle of electromagnetic induction, and the low-voltage load component circuit is connected with the electromagnetic receiving coil to obtain the induced current generated by the electromagnetic receiving coil.
The system also comprises a temperature controller connected with a circuit between the electric heating component and the electromagnetic receiving coil, and the heating temperature of the heating container is controlled to be any temperature by setting the temperature controller and is controlled to be between 50 and 270 ℃ by default; the temperature controller is in a closed state in a normal state, and enters an open state when the monitored temperature reaches or exceeds a set temperature, so that the wired power supply circuit is disconnected.
The voltage-dependent resistor is connected with the electric heating component in parallel.
The wireless power supply circuit further comprises an adaptive switch for matching electromagnetic power supply; the adaptive switch circuit is connected between the electric heating component and the electromagnetic receiving coil.
The heating container is made of a non-metal material or a harmless metal material, the heating container is a water boiling kettle or a cooking vessel, the cooking vessel is a vessel for containing food materials so as to cook the food materials in a heating mode, the cooking vessel can be any vessel on the market, including a hot pot, an electric cooker, a barbecue tray, a frying pan, a stirring cup on a wall breaking machine and the like, only some of which are listed above, and the heating container is not limited to the above actually; the electric heating component is a heating wire heating module, a light wave heating module or a graphene heating module.
The electric heating circuit also comprises a wired power supply circuit for realizing wired power supply and a change-over switch for switching a wireless power supply mode or a wired power supply mode; the wireless power supply circuit and the wired power supply circuit are respectively connected with the electric heating component through the switch circuit so as to switch the power supply of the wireless power supply circuit or the wired power supply circuit.
The invention has the following beneficial effects:
the heating container is provided with the wireless power supply circuit, the electromagnetic power receiving coil in the wireless power supply circuit is electrically connected with the electric heating component, when the electromagnetic heating system is placed on the electromagnetic oven, the coil on the electromagnetic oven is used as the electromagnetic power supply coil to be matched with the electromagnetic power receiving coil, so that high-power induction current and voltage are generated on the electromagnetic power receiving coil and are supplied to the electric heating component, and finally, the heating effect is achieved; the system can be matched with most 350-3500W household induction cookers on the market, and has strong universality and low production/use cost; specifically, the coil on the induction cooker has the using effects that the electromagnetic receiving coil generates electric energy, and the bottom of the heating container can be far away from the induction cooker, so that heat generated by the operation of an electric heating component is difficult to transfer to the surface of the induction cooker, scalding or fire accidents caused by overhigh surface temperature (below 55 ℃) of the induction cooker are avoided, the problems of overhigh surface temperature, large potential safety hazard and the like of all the existing induction cookers are effectively solved, and the induction cooker is a major breakthrough in the application field of the induction cooker;
in addition, the inductance of the electromagnetic receiving coil is increased by arranging a capacitance device (the capacitance device needs to be matched with a proper value) which forms a resonance circuit with the electromagnetic receiving coil and arranging a magnetic conduction strip, and meanwhile, the appearance of an electromagnetic field at one side of the receiving coil is changed, so that more energy is concentrated at the other side, further, the induced current generated by the electromagnetic receiving coil is increased, the power of an electric heating component is improved, and the electric heating component is ensured to have enough power to heat a heated body;
in addition, the temperature controller is arranged to monitor the heating condition of the heating container, so that the heating temperature of the heating container is effectively controlled to be 50-270 ℃, when the heating container is in a dry-burning state, the corresponding temperature controller immediately responds to cut off a circuit between the electromagnetic receiving coil and the electric heating component, so that dry burning is effectively avoided, the use safety is greatly improved, the dry burning defects of all the existing induction cookers are effectively overcome, and the induction cooker is a major breakthrough in the application field of the induction cooker;
moreover, the piezoresistor connected with the electric heating component in parallel is arranged, so that the electric heating component is effectively prevented from being damaged due to the fact that the LC circuit breaks down the load under high voltage, and the service life of the electric element is guaranteed.
Drawings
Fig. 1 is a sectional view of an electromagnetic heating system in a first embodiment of the present invention.
Fig. 2 is a schematic electrical circuit diagram of an electrical heating circuit in a first embodiment of the invention.
Fig. 3 is a schematic circuit diagram of a low-voltage load circuit according to a first embodiment of the present invention.
Fig. 4 is a schematic electrical circuit diagram of an electrical heating circuit in a second embodiment of the invention.
Fig. 5 is a schematic electrical circuit diagram of an electrical heating circuit in a third embodiment of the invention.
Fig. 6 is a sectional view of an electromagnetic heating system in a fourth embodiment of the present invention.
Fig. 7 is a sectional view of an electromagnetic heating system in a fifth embodiment of the present invention.
Fig. 8 is a sectional view of an electromagnetic heating system in a sixth embodiment of the present invention.
Fig. 9 is a sectional view of an electromagnetic heating system in a seventh embodiment of the present invention.
Fig. 10 is a sectional view of an electromagnetic heating system in an eighth embodiment of the present invention.
Fig. 11 is a sectional view of an electromagnetic heating system in a ninth embodiment of the present invention.
Fig. 12 is a sectional view of an electromagnetic heating system in a tenth embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
First embodiment
Referring to fig. 1 to 3, the general electromagnetic heating system according to the present embodiment includes a heating container 1 for storing a heated body (e.g., a liquid, a solid/semi-solid food material, etc.), and an electric heating circuit disposed at the bottom of the heating container 1; the electric heating circuit comprises an electric heating component 3 for heating a heated body and a wireless power supply circuit A1 for realizing wireless power supply; the wireless power supply circuit a1 includes an electromagnetic power receiving coil 2 that generates an induced current by the principle of electromagnetic induction, and the electric heating member 3 is electrically connected to the electromagnetic power receiving coil 2 to obtain the induced current generated by the electromagnetic power receiving coil 2. When the electromagnetic heating system is placed on an electromagnetic oven (as the electromagnetic oven can be most of the existing electromagnetic ovens on the market, the specific structure of the electromagnetic oven is not shown in the figure), a coil on the electromagnetic oven is used as an electromagnetic power transmission coil to be matched with the electromagnetic power receiving coil 2, so that high-power induced current and voltage are generated on the electromagnetic power receiving coil 2 and are supplied to the electric heating component 3, and the heating effect is finally achieved; the system can be matched with most 350-3500W household induction cookers on the market, the universality is strong, the using effect of the coil on the induction cooker is that the electromagnetic receiving coil generates electric energy, the bottom of the heating container can be far away from the induction cooker, so that heat generated by the work of the electric heating component is difficult to transfer to the surface of the induction cooker, scalding or fire accidents caused by overhigh surface temperature (below 50 ℃) of the induction cooker are avoided, the problems of overhigh surface temperature, large potential safety hazard and the like of all the existing induction cookers are effectively solved, and the system is a major breakthrough in the application field of the induction cooker.
Further, the system also includes a capacitance device 7 forming a resonance circuit with the electromagnetic power receiving coil 2; the capacitor device 7 in the present embodiment is connected in parallel with the electromagnetic power receiving coil 2. Through the capacitance value of setting up the capacitance device 7 and/or the inductance value of electromagnetism receiving coil 2, make system and electromagnetism stove produce resonance, and then make the induced current that electromagnetism receiving coil produced increase, the power of electric heating element obtains promoting to guarantee that electric heating element possesses sufficient power heating heated body.
Further, a heat insulating layer 4 and a magnetic insulating layer 5 are provided between the electromagnetic power receiving coil 2 and the capacitor device 7 and the heating container 1, respectively. Specifically, the electric heating component 3, the heat insulating layer 4, the magnetic insulating layer 5 and the electromagnetic power receiving coil 2 are sequentially arranged from top to bottom; the heat insulation layer 4 can effectively prevent heat from dissipating downwards, ensure that the heat rises and make full use of the heat; the magnetism isolating layer 5 can ensure that the electromagnetic receiving coil 2 stably receives a magnetic field to generate stable induced voltage and current; of course, the heat insulation layer 4 and the magnetism isolating layer 5 can be separately arranged according to the actual needs of the product; in order to avoid the influence of the high temperature generated by the electric heating component 3 on the normal operation of the capacitor device 7, the capacitor device 7 is far away from the electric heating component 3, and a heat insulation layer 4 is arranged between the capacitor device 7 and the electric heating component 3, in the embodiment, the electromagnetic receiving coil 2 and the capacitor device 7 are arranged side by side.
Furthermore, the system also comprises six magnetic conducting strips 16 arranged at the bottom of the electromagnetic receiving coil 2, wherein the magnetic conducting strips 16 are annularly and uniformly distributed on the side surface of the electromagnetic receiving coil 2 facing the heating container 1; the magnetic conductive strip 16 can increase the inductance of the electromagnetic receiving coil 2, and simultaneously change the appearance of the electromagnetic receiving coil 2 facing the electromagnetic field on one side of the heating container 1, so that more energy is concentrated on one side facing the heating container 1 to gather magnetic energy, thereby further increasing the induced current generated by the electromagnetic receiving coil 2, and improving the power of the electric heating component 3 to ensure that the electric heating component 3 has enough power to heat the heated body.
Further, the system also comprises a low-voltage load circuit arranged on the heating container 1; the low-voltage load circuit comprises a low-voltage load component 19, a wireless low-voltage circuit A4 for realizing wireless power supply; the wireless low-voltage circuit a4 includes an electromagnetic receiving coil 18 that generates an induced current by the principle of electromagnetic induction, and the low-voltage load part 19 is electrically connected to the electromagnetic receiving coil 18 to obtain the induced current generated by the electromagnetic receiving coil 18. The load component 19 in this embodiment may be a light emitting body for decoration and/or indication, or other low-voltage load components such as a heat dissipation fan for heat dissipation, so as to heat the container 1, thereby effectively improving the function of the electromagnetic heating system.
Furthermore, the system also comprises a steam temperature controller 11 and an anti-dry heating temperature controller 12 which are connected to a circuit between the electric heating component 3 and the electromagnetic receiving coil 2, the heating temperature of the heating container 1 can be controlled between 50 ℃ and 270 ℃ by arranging the temperature controllers, the response temperature of the steam temperature controller 11 can be 100 ℃, and the response temperature of the anti-dry heating temperature controller 12 can be more than 200 ℃; the steam temperature controller 11 is in a closed state in a normal state, and enters an open state when the heated body reaches or exceeds a set temperature, so that the wireless power supply circuit A1 is disconnected, and the steam temperature controller 11 can be replaced by a thermal switch according to the actual needs of a product; the dry-heating preventing temperature controller 12 is in a closed state in a normal state, and enters an open state during dry heating, so that the wireless power supply circuit A1 is disconnected. Through setting up various temperature controllers, the effectual monitoring heating container 1 the condition of being heated, when heating container 1 was in the dry combustion method state, prevent dry combustion method temperature controller 12 response at once in order to cut off the circuit between electromagnetism receiving coil 2 and the electric heating element 3, and then effectively avoid the dry combustion method, promoted the safety in utilization greatly, effectively overcome the dry combustion method defect that current all electromagnetism stoves exist, be the major breakthrough of electromagnetism stove application.
Further, the system also comprises a voltage dependent resistor 17 for preventing the circuit voltage from being too high to break down the load, and the voltage dependent resistor 17 is connected with the electric heating component 3 in parallel.
Further, the heating container 1 according to the present embodiment is made of a non-metal material, such as: glass, crystal, ceramic, etc.; besides, the heating container 1 may be made of harmless metal materials such as: silver material, stainless steel, titanium metal, etc. The electric heating component 3 related to the embodiment is a heating wire heating module or a graphene heating module, and the electric heating component 3 is arranged at the bottom of the heating container 1.
Further, the heating container 1 in this embodiment is a water boiling kettle.
Second embodiment
Referring to fig. 4, the present embodiment relates to a general electromagnetic heating system different from the first embodiment in that: the wireless supply circuit a1 further comprises an adapting switch 6 for matching the electromagnetic supply power; the adaptive switch 6 is electrically connected between the electric heating component 3 and the electromagnetic receiving coil 2. Through the application to adaptation switch 6, can set up the coil number of turns of access circuit, and then adjust its power, but make this electromagnetic heating system adaptation most current electromagnetism stove on the market through power adjustment, need not supporting specific base, improve commonality and practicality.
Further, the electromagnetic power receiving coil 2 is composed of a plurality of coil bodies 201 which are electrically conducted in sequence, and the plurality of coil bodies 201 are arranged inside and outside; the adaptive switch 6 comprises a fixed contact 601 of the electric heating component 3, more than two adaptive contacts 602 of different coil bodies 201 connected with circuits, and a switch moving part 603 electrically connected with the fixed contact 601, wherein four adaptive contacts 602 are shown in the embodiment; under the selective operation of a user, the fixed contact 601 is conducted with different adaptive contacts 602 through the switch moving piece 603 so as to control the number of the coil bodies 201 connected into the circuit, and further adapt to induction cookers with different powers.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Third embodiment
Referring to fig. 5, the present embodiment relates to a general electromagnetic heating system different from the first embodiment in that: the electric heating circuit further comprises a wired power supply circuit A2 for realizing wired power supply, and a changeover switch A3 for switching a wireless power supply mode or a wired power supply mode; the wireless power supply circuit A1 and the wired power supply circuit A2 are respectively in circuit connection with the electric heating part 3 through a change-over switch A3 to switch the power supply by the wireless power supply circuit A1 or the power supply by the wired power supply circuit A2. The steam temperature controller 11 is in a closed state in a normal state, and enters an open state when a heated body reaches or exceeds a set temperature, so that the wireless power supply circuit A1 and the wired power supply circuit A2 are disconnected; the dry-heating preventing temperature controller 12 is in a closed state in a normal state, and enters an open state during dry heating, so that the wireless power supply circuit A1 and the wired power supply circuit A2 are disconnected. In order to further meet different use requirements, the electromagnetic heating system can be additionally provided with a wired power supply circuit, and required electric energy can be directly obtained from urban electricity or a storage battery and the like through a power connection component so as to supply electric energy to an electric heating component; in order to avoid the mutual interference influence of the wireless power supply circuit and the wired power supply circuit, the change-over switch for switching the working mode is arranged, the electric heating component can work in the wireless power supply mode or the wired power supply mode through controlling the change-over switch, the requirements of different users are further met, the electromagnetic heating system is adaptable to different use environments, different condition limitations are overcome, the electromagnetic heating system is good in universality and strong in adaptability, and the user experience is good.
Furthermore, the input end of the wired power supply circuit A2 is connected with urban electricity by wires, and the output end is connected with the electric heating component 3 by a change-over switch A3 circuit; the wired power supply circuit A2 comprises an electric connection component 9 for connecting the urban electricity and a wired power supply switch 10 for manually or electrically conducting the wired power supply circuit A2; the electrical connection component 9 in this embodiment is an electrical connection port for connecting a conductive wire (e.g., a power line). When the user switches the working mode of the electromagnetic heating system to the wired power supply mode through the switch A3, the urban power is connected through the power connection component 9, and finally the wired power supply switch 10 is manually or electrically operated to conduct the wired power supply circuit A2, so that the electric heating component 3 works electrically.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Fourth embodiment
Referring to fig. 6, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: the electric heating component 3 in this embodiment is a light wave heating module disposed in the inner cavity of the heating container 1.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Fifth embodiment
Referring to fig. 7, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: the heating container 1 in this embodiment is a hot pot; in this embodiment, since the chafing dish needs to be heated continuously, the steam temperature controller 11 can be eliminated, and the response temperature of the dry-heating preventing temperature controller 12 can be set to be more than 200 ℃.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Sixth embodiment
Referring to fig. 8, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: the heating container 1 in this embodiment is an electric rice cooker; in this embodiment, since the rice cooker needs to be continuously heated, the steam temperature controller 11 may be eliminated, and the response temperature of the dry heating preventing temperature controller 12 may be set to 200 ℃.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Seventh embodiment
Referring to fig. 9, the electromagnetic heating system according to the present embodiment differs from the third embodiment in that: the electromagnetic heating system also comprises an electric connection base 14 for electrically connecting urban electricity, and a lower coupler 15 is arranged on the electric connection base 14; the energizing component 9 is an upper coupler 13 that mates with a lower coupler 15.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Eighth embodiment
Referring to fig. 10, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: the heating container 1 in this embodiment is a barbecue tray; in this embodiment, since the roasting plate needs to heat the food material at a high temperature, the steam temperature controller 11 may be eliminated, and the response temperature of the dry-heating preventing temperature controller 12 is set to 200 ℃.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Ninth embodiment
Referring to fig. 11, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: the heating container 1 in this embodiment is a wok; in this embodiment, since the frying pan needs to heat the food material at a high temperature, the steam temperature controller 11 may be eliminated, and the response temperature of the dry-heating preventing temperature controller 12 is set to 200 ℃.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Tenth embodiment
Referring to fig. 12, the electromagnetic heating system according to the present embodiment differs from the first embodiment in that: heating container 1 in this embodiment is the stirring cup, and this stirring cup is applied to the broken wall machine that possesses the heating function.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. A universal electromagnetic heating system, characterized by: comprises a heating container (1) for storing a heated body and an electric heating circuit arranged on the heating container (1); the electric heating circuit comprises an electric heating component (3) for heating a heated body and a wireless power supply circuit (A1) for realizing wireless power supply; the wireless power supply circuit (A1) comprises an electromagnetic power receiving coil (2) which generates induction current by utilizing the principle of electromagnetic induction, and the electric heating component (3) is connected with the electromagnetic power receiving coil (2) in a circuit mode to obtain the induction current generated by the electromagnetic power receiving coil (2).
2. The universal electromagnetic heating system of claim 1, wherein: the capacitor device (7) and the electromagnetic receiving coil (2) form a resonance circuit; the capacitor device (7) is connected in parallel with the electromagnetic power receiving coil (2).
3. The universal electromagnetic heating system of claim 2, wherein: a heat insulation layer (4) and/or a magnetic insulation layer (5) are/is arranged between the electromagnetic receiving coil (2) and the heating container (1); and/or a heat insulation layer (4) and/or a magnetic insulation layer (5) are/is arranged between the capacitor device (7) and the heating container (1).
4. The universal electromagnetic heating system of claim 1, wherein: the electromagnetic heating device is characterized by further comprising magnetic conductive strips (16) arranged on the electromagnetic power receiving coils (2), wherein the magnetic conductive strips (16) are arranged more than one and distributed on the side surfaces, facing the heating container (1), of the electromagnetic power receiving coils (2).
5. The universal electromagnetic heating system of claim 1, wherein: the heating device also comprises a low-voltage load circuit arranged on the heating container (1); the low-voltage load circuit comprises a low-voltage load component (19) and a wireless low-voltage circuit (A4) for realizing wireless power supply; the wireless low-voltage circuit (A4) comprises an electromagnetic receiving coil (18) which generates induced current by using the principle of electromagnetic induction, and the low-voltage load component (19) is electrically connected with the electromagnetic receiving coil (18) to obtain the induced current generated by the electromagnetic receiving coil (18).
6. The universal electromagnetic heating system of claim 1, wherein: the temperature controller is connected to a circuit between the electric heating component (3) and the electromagnetic receiving coil (2), and the heating temperature of the heating container (1) is controlled between 50 ℃ and 270 ℃ by arranging the temperature controller; the temperature controller is in a closed state in a normal state, and enters an open state when the monitoring temperature reaches or exceeds a set temperature, so that the wireless power supply circuit (A1) is disconnected.
7. The universal electromagnetic heating system of claim 1, wherein: the device also comprises a voltage dependent resistor (17) for preventing the circuit voltage from being too high to break down the load, wherein the voltage dependent resistor (17) is connected with the electric heating component (3) in parallel.
8. The universal electromagnetic heating system of claim 1, wherein: the wireless power supply circuit (A1) further comprises an adapting switch (6) for matching the electromagnetic power supply; the adaptation switch (6) is connected between the electric heating component (3) and the electromagnetic receiving coil (2) through a circuit.
9. The universal electromagnetic heating system of claim 1, wherein: the heating container (1) is made of a non-metal material or a harmless metal material, and the heating container (1) is a kettle or a cooking vessel; the electric heating component (3) is an electric heating wire heating module, a light wave heating module or a graphene heating module.
10. A universal electromagnetic heating system according to any one of claims 1-9, wherein: the electric heating circuit further includes a wired power supply circuit (A2) for realizing wired power supply, and a changeover switch (A3) for switching a wireless power supply mode or a wired power supply mode; the wireless power supply circuit (A1) and the wired power supply circuit (A2) are respectively in circuit connection with the electric heating part (3) through a switch (A3) to switch the power supply by the wireless power supply circuit (A1) or the wired power supply circuit (A2).
CN202110904640.5A 2021-07-20 2021-08-07 General type electromagnetic heating system Pending CN113598619A (en)

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CN202110819032 2021-07-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198784A (en) * 2021-12-30 2022-03-18 佛山市顺德区容桂马岗行大实业有限公司 Lithium battery direct current supply light wave stove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114198784A (en) * 2021-12-30 2022-03-18 佛山市顺德区容桂马岗行大实业有限公司 Lithium battery direct current supply light wave stove

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