CN112272422A - Induction type isolated power supply of electromagnetic oven principle and application method thereof - Google Patents
Induction type isolated power supply of electromagnetic oven principle and application method thereof Download PDFInfo
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- CN112272422A CN112272422A CN202011275082.2A CN202011275082A CN112272422A CN 112272422 A CN112272422 A CN 112272422A CN 202011275082 A CN202011275082 A CN 202011275082A CN 112272422 A CN112272422 A CN 112272422A
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- 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
Abstract
The invention belongs to the field of induction cookers and isolated power supplies, and particularly relates to an induction type isolated power supply based on the induction cooker principle and an application method thereof. A flat plate type auxiliary induction coil which is similar to the size and the structure of a main heating coil of the induction cooker is arranged in parallel on the surface of the corresponding part of a main heating coil of a ceramic panel of the existing induction cooker; the electromagnetic field generated by the main heating coil generates induced electromotive force in the auxiliary induction coil, and the two ends of the auxiliary induction coil are connected with electrical appliances, so that current isolated from commercial power electricity is generated, and the safety is high. The efficiency is very high because the main heating coil generates a high-frequency alternating magnetic field. By adopting the technical scheme, the effect that one electromagnetic oven drags two or more can be achieved, the power supply can be supplied to a resistance type electric appliance, the electromagnetic oven can be designed into a safe and efficient power supply device for absolutely electrically isolating a hot water faucet or a shower, meanwhile, the power can be supplied to a solenoid conductor, a high-frequency heating furnace device is manufactured, and the application range of the electromagnetic oven is greatly expanded.
Description
Technical Field
The invention belongs to the field of electromagnetic ovens and isolated power supplies, and particularly relates to an induction type isolated power supply based on the electromagnetic oven principle and an application method thereof.
Background
Because the electromagnetic oven has high thermal efficiency and safe and convenient use, the application of the electromagnetic oven is very popular. However, the induction cooker on the market has single function, and has no other purposes except for cooking by boiling water. Therefore, further development and utilization of the application of the induction cooker are needed.
Disclosure of Invention
The invention utilizes the electromagnetic induction principle, and arranges a flat plate type auxiliary induction coil which is similar to the size and the structure of a main heating coil of the electromagnetic oven on the surface of a ceramic panel of the existing electromagnetic oven in parallel, an electromagnetic field generated by the main heating coil generates induced electromotive force on the auxiliary induction coil, and two ends of the auxiliary induction coil are connected with electric appliances to generate current which is the current of an isolation power supply and has zero voltage difference to the ground, thereby being very safe.
The specific technical scheme adopted for realizing the invention is that an auxiliary induction coil is parallelly attached to the corresponding part of a main heating coil of a ceramic panel of an induction cooker main body, the position of the auxiliary induction coil is correspondingly matched and tightly attached to the main heating coil, and leads A and B at two ends of the auxiliary induction coil are respectively and electrically connected to an isolation power supply output wiring device; the auxiliary induction coil is a spiral planar coil with the shape and the size similar to those of the main heating coil; when the isolation power supply function is used, the auxiliary induction coil is attached to the corresponding part of the main heating coil in parallel, a power supply switch of the electromagnetic oven main body is started, the main heating coil generates an alternating magnetic field, the auxiliary induction coil generates induced electromotive force, and the main heating coil and the auxiliary induction coil have the functions similar to an isolation transformer; at the moment, when an external application electric appliance is connected through the isolation power supply output wiring device, the external application electric appliance is electrified to work.
The efficiency is very high because the main heating coil generates a high-frequency alternating magnetic field. By adopting the technical scheme, the effect that one induction cooker drives two or more can be achieved, and meanwhile, the power supply of the resistance type electric appliance can be supplied, so that cold water can be heated, the heating device is efficient, safe and convenient, and the application range of the induction cooker is greatly expanded.
Drawings
FIG. 1 is a schematic diagram of the power supply principle of an isolated power supply of an induction cooker.
Fig. 2 is a schematic diagram of a high frequency isolated power supply apparatus.
FIG. 3 is a schematic diagram of a high frequency isolated power supply device supplying a resistance type heater.
Fig. 4 is a schematic diagram of the principle of applying the electric appliance as a solenoid.
Fig. 5 is a schematic diagram of the principle of the electric isolation water heater with a solid heating core.
Fig. 6 is a schematic view of the porous core construction principle.
Fig. 7 is a schematic diagram of a cross section of one-for-two or one-for-many application of the induction cooker.
In the figure, 1, an induction cooker main body, 2, an auxiliary induction coil, 3, an isolated power output wiring device, 4, an application appliance, 5, a ceramic panel, 6, a main heating coil, 7, a high-frequency induction porous socket, 8, an appliance induction coil, 9, a hot water outlet device, 10, an electrically isolated water heater, 11, a heating core, 12, a solid core, 13, a porous core, 14, a resistance type electric heating pipe, 15, a heating container, 16, a resistance type electric heating disc, 17, a spiral line pipe, 18, a cooker, 19, a high-frequency induction alternating magnetic field, 20, a heating metal pipe, 21, a cored heating metal pipe, 22, an auxiliary induction cooker, 23, an iron workpiece and 24, a high-frequency isolated power device.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In the figure, an auxiliary induction coil 2 is parallelly attached to a corresponding part of a main heating coil 6 of a ceramic panel 5 of an induction cooker main body 1, the position of the auxiliary induction coil 2 is correspondingly matched and closely attached with the main heating coil 6, and leads A and B at two ends of the auxiliary induction coil 2 are respectively and electrically connected to an isolated power supply output wiring device 3; the auxiliary induction coil 2 is a spiral plane type coil which is similar to the main heating coil 6 in shape and size; when the isolation power supply function is used, the auxiliary induction coil 2 is attached to the corresponding part of the main heating coil 6 in parallel, a power supply switch of the induction cooker main body 1 is started, the main heating coil 6 generates an alternating magnetic field, the auxiliary induction coil 2 generates induced electromotive force, and the main heating coil 6 and the auxiliary induction coil 2 have the function similar to an isolation transformer; at this time, when the external application electric appliance 4 is connected through the isolated power output wiring device 3, the external application electric appliance 4 is powered on to work.
The isolated power supply output wiring device 3 is a high-frequency induction electric porous socket 7; the secondary induction coil 2 is connected with the high-frequency induction porous socket 7 to form a high-frequency isolation power supply device 24.
The application appliance 4 is another flat coil with the same structure as the auxiliary induction coil 2, and the flat coil is called an appliance induction coil 8; the auxiliary induction coil 2 is electrically connected to the input end of the high-frequency induction porous socket 7, the output jack of the high-frequency induction porous socket 7 is electrically connected with a plurality of electric appliance induction coils 8, and each electric appliance induction coil 8 is connected in parallel through the jack of the high-frequency induction porous socket 7; the ceramic panel 5 is arranged above the electric appliance induction coils 8, the cookware 18 made of magnetic conductive materials is arranged above the ceramic panel 5, namely, each electric appliance induction coil 8 is an auxiliary induction cooker 22, and the design is that a plurality of induction cooker devices are dragged.
And the output jacks of the high-frequency induction electric porous socket 7 are respectively and electrically connected with an electric appliance induction coil 8 and a resistance type heater.
The application electric appliance 4 is a resistance type electric heating tube 14; the power output end of the secondary induction coil 2 is electrically connected to the resistance type electric heating tube 14 through the isolated power output connection device 3, the resistance type electric heating tube 14 is arranged in the heating container 15 with water, when the secondary induction coil 2 generates induced electromotive force due to induction, the resistance type electric heating tube 14 electrically connected with the secondary induction coil generates current, the resistance type electric heating tube 14 generates heat, and therefore the water in the container 15 is heated, and the heating container 15 comprises but not limited to a hot water bucket, a hot water pot, a bath shower and the like.
The application electric appliance 4 is a resistance type electric heating plate 16; the power output end of the auxiliary induction coil 2 is electrically connected to the resistance type electric heating plate 16 through the isolated power output wiring device 3, and a heating pot or a water heating device is arranged close to the resistance type electric heating plate 16, wherein the water heating device comprises but is not limited to a hot water bucket, a hot water pot and a bathing shower.
The application electric appliance 4 is a solenoid 17, the solenoid 17 is a tubular cavity wound by thick wires, a high-frequency induction alternating magnetic field 19 can be generated at the hollow part of the solenoid 17, and the high-frequency induction alternating magnetic field 19 can heat an iron workpiece 23 placed in the solenoid 17.
A heating metal pipe 20 made of iron material is arranged in the hollow part of the spiral pipe 17, one end of the heating metal pipe 20 is connected with a water pipe of a water source, and the other end of the heating metal pipe is provided with a hot water outlet device 9. The hot water outlet means 9 includes, but is not limited to, a faucet or a shower head; the spiral pipe 17, the heating metal pipe 20 and the hot water outlet device 9 jointly form an electric isolation water heater 10; when the secondary induction coil 2 generates induced electromotive force due to induction, a high-frequency induced alternating magnetic field 19 is generated in the hollow portion of the solenoid 17, and the high-frequency induced alternating magnetic field 19 generates eddy current in the heat-generating metal pipe 20 to generate heat, thereby heating water flowing therethrough.
The hollow part of the heating metal tube 20 is provided with a heating core 11, the heating core 11 has a solid core 12 and a porous core 13, and the heating core 11 is made of iron material; when the auxiliary induction coil 2 is electrically connected to both ends of the solenoid 17, the heating metal tube 20 in the solenoid 17 induces eddy current to generate heat, and simultaneously, the heating core 11 arranged in the hollow part of the heating metal tube 20 induces eddy current to generate heat together, thereby enhancing the heating efficiency; the heat-generating metal tube 20 and the heat-generating core 11 together constitute a cored heat-generating metal tube 21.
In figure 1, the ceramic panel 5 of the electromagnetic oven body 1 is parallel to the main heating coil 6 and closely attached to the auxiliary induction coil 2 at the corresponding position, induced electromotive force is generated on the auxiliary induction coil 2, the high-frequency induction multi-hole socket 7 is connected with the application electric appliance 4, the electric appliance 4 is an electric appliance induction coil 8, and high-frequency current flows through the electric appliance induction coil 8. At this time, an induction alternating magnetic field is generated on the coil, and the alternating magnetic field is the same as the alternating magnetic field generated by the main heating coil 6, so that a pot with an iron chassis is placed on the induction alternating magnetic field, eddy current is generated, and the pot is heated. The high-frequency induction multi-hole socket 7 can be connected with an application electric appliance 4, can also be connected with a resistance type heating electric appliance, and of course, can also be used for heating ferrous metal in a pipe cavity through the spiral pipe 17.
In fig. 2, fig. 2 shows a high-frequency isolated power supply device 24 which is composed of the secondary induction coil 2 and the high-frequency induction porous socket 7 electrically connected together. The secondary induction coil 2 can be adapted to any induction cooker with a planar ceramic panel.
In fig. 3, fig. 3 is basically the same as the principle of fig. 1, except that a resistance type electric heating plate 16 is attached to the consumer induction coil 8 of fig. 3, the resistance type electric heating plate 16 can be attached to the bottom of any heating container 15 to be heated to heat the cold water therein, of course, the bottom of the heating container 15 is required to be made of iron magnetic conductive material.
In fig. 4, fig. 4 is a schematic diagram of an application appliance being a solenoid. When the solenoid 17 is electrically connected to the high-frequency induction porous socket 7, a high-frequency induction alternating magnetic field is generated in the hollow portion of the solenoid 17, and at this time, when the iron workpiece 23 is placed therein, an eddy current is generated, thereby heating the iron workpiece 23.
In fig. 5, fig. 5 is a schematic view of an electrically isolated water heater with a solid heating core. When the heating metal pipe 20 is placed in the hollow part of the solenoid 17, the heating metal pipe 20 is heated by the eddy current, and thus, the cold water flowing through the heating metal pipe is heated at the same time; a heating core 11 (here, a solid core 12) is disposed in parallel in the axial direction in the middle of the heating metal tube 20, and the heating core 11 is heated at the same time, thereby improving the heating efficiency. The tap 9 in this arrangement may also be a field spray or any vessel that directly passes heated water into the vessel where heated water is required.
In fig. 6, fig. 6 is a schematic view of the porous core construction principle. In the figure, the heating core 11 is a porous core 13, and cold water passes through the pores, so that the heat efficiency is higher.
In fig. 7, fig. 7 is a schematic diagram of a cross-sectional principle of one-to-two or one-to-many application of the induction cooker. Two parallel and closely attached auxiliary induction coils 2 are arranged on the induction cooker main body 1, and leads of the lower auxiliary induction coils 2 are electrically connected to a high-frequency induction electric porous socket 7; two leads of the upper secondary induction coil 2 are in short circuit connection, and the induced alternating magnetic field of the upper secondary induction coil 2 causes the bottom of the pot 18 on the upper secondary induction coil to generate eddy current so as to heat water in the pot 18. The other electric appliance induction coil 8 is electrically connected with the high-frequency induction porous socket to be powered, and the alternating magnetic field generated by the other electric appliance induction coil enables the pot 18 on the other electric appliance induction coil to generate eddy current to heat cold water in the pot 18. Other jacks of the high-frequency induction electric porous socket 7 can be plugged with other inductive or resistive application appliances.
It should be noted that, in practical application, each application appliance needs to be independently adjusted by a power adjusting device, and the simplest adjusting device is a bidirectional thyristor circuit, which belongs to a general technology and is not described in detail in the present invention.
It should also be noted that, in practical applications, the induction cooker body 1 may be used as a component of a newly developed hot water heating device, such as a hot water shower device. The power supply has good isolation effect, low cost and simple structure, so that the power supply is safe and convenient.
Claims (9)
1. An induction type isolation power supply of an induction cooker principle and an application method thereof comprise an induction cooker main body (1), an auxiliary induction coil (2), an isolation power output wiring device (3) and an application device (4), and are characterized in that the auxiliary induction coil (2) is parallelly attached to a corresponding part of a main heating coil (6) of a ceramic panel (5) of the induction cooker main body (1), the position of the auxiliary induction coil (2) is correspondingly matched and attached to the main heating coil (6), and leads A and B at two ends of the auxiliary induction coil (2) are respectively and electrically connected to the isolation power output wiring device (3); the auxiliary induction coil (2) is a spiral planar coil with the shape and the size similar to those of the main heating coil (6); when the isolation power supply function is used, the auxiliary induction coil (2) is attached to the corresponding part of the main heating coil (6) in parallel, a power switch of the induction cooker main body (1) is started, the main heating coil (6) generates an alternating magnetic field, the auxiliary induction coil (2) generates induced electromotive force, and the main heating coil (6) and the auxiliary induction coil (2) have the function similar to an isolation transformer; at the moment, when the external application electric appliance (4) is connected through the isolated power supply output wiring device (3), the external application electric appliance (4) is electrified to work.
2. The induction type isolated power supply and the application method thereof according to the claim 1, characterized in that the isolated power supply output wiring device (3) is a high frequency induction electric porous socket (7); the secondary induction coil (2) and the high-frequency induction porous socket (7) are connected together to form a high-frequency isolation power supply device (24).
3. The induction type isolated power supply of the induction cooker principle and the application method thereof according to the claim 1 or 2 are characterized in that the application electric appliance (4) is another flat coil which has the same structure with the auxiliary induction coil (2) and is called as an appliance induction coil (8); the auxiliary induction coil (2) is electrically connected to the input end of the high-frequency induction multi-hole socket (7), the output jack of the high-frequency induction multi-hole socket (7) is electrically connected with a plurality of electric appliance induction coils (8), and each electric appliance induction coil (8) is connected in parallel through the jack of the high-frequency induction multi-hole socket (7); the ceramic panel (5) is arranged above the electric appliance induction coils (8), the cookware (18) made of magnetic conductive materials is arranged above the ceramic panel (5), namely, each electric appliance induction coil (8) is an auxiliary induction cooker (22), and the design is that the induction cooker device with a plurality of induction cookers is adopted.
4. The induction type isolated power supply of the induction cooker principle as claimed in claim 1, 2 or 3 and the application method thereof, characterized in that the output jacks of the high-frequency induction multi-hole socket (7) are respectively and electrically connected with an induction coil (8) of an electric appliance and a resistance type heater.
5. The induction type isolated power supply and the application method thereof according to the claim 1, wherein the application electric appliance (4) is a resistance type electric heating tube (14); the power supply output end of the auxiliary induction coil (2) is electrically connected to a resistance type electric heating pipe (14) through an isolated power supply output connection device (3), the resistance type electric heating pipe (14) is arranged in a heating container (15) with water, when the auxiliary induction coil (2) generates induced electromotive force due to induction, the resistance type electric heating pipe (14) electrically connected with the auxiliary induction coil generates current, the resistance type electric heating pipe (14) generates heat, and therefore water in the container (15) is heated, and the heating container (15) comprises but is not limited to a hot water bucket, a hot water pot and a bathing shower.
6. The induction type isolated power supply and the application method thereof according to the claim 1, characterized in that the application electric appliance (4) is a resistance type electric heating plate (16); the power output end of the auxiliary induction coil (2) is electrically connected to the resistance type electric heating disk (16) through the isolated power output wiring device (3), a heating pot or a water heating device is arranged close to the resistance type electric heating disk (16), and the water heating device comprises but is not limited to a hot water bucket, a hot water pot and a bathing shower.
7. The induction type isolated power supply according to the claim 1 is characterized in that the application device (4) is a solenoid (17), the solenoid (17) is a tubular cavity wound by thick wires, the hollow part of the solenoid (17) can generate a high-frequency induction alternating magnetic field (19), and the high-frequency induction alternating magnetic field (19) can heat an iron workpiece (23) placed in the solenoid.
8. The induction type isolated power supply of the induction cooker principle and the application method thereof as claimed in claim 1 or 7, characterized in that a heating metal pipe (20) made of ferrous material is arranged in the hollow part of the spiral pipe (17), one end of the heating metal pipe (20) is connected with a water pipe of a water source, the other end is provided with a hot water outlet device (9), and the hot water outlet device (9) comprises but is not limited to a faucet or a shower nozzle; the solenoid (17), the heating metal pipe (20) and the hot water outlet device (9) jointly form an electric isolation water heater (10); when the secondary induction coil (2) generates induced electromotive force due to induction, a high-frequency induction alternating magnetic field (19) is generated in the hollow part of the solenoid (17), and the high-frequency induction alternating magnetic field (19) causes the heating metal pipe (20) to generate eddy current to generate heat, thereby heating water flowing through the heating metal pipe.
9. The induction type isolated power supply of the induction cooker principle and the application method thereof according to the claim 1, 6, 7 or 8 are characterized in that the hollow part of the heating metal tube (20) is provided with a heating core (11), the heating core (11) has a solid core (12) and a porous core (13), and the heating core (11) is made of iron material; when the auxiliary induction coil (2) is electrically connected to the two ends of the solenoid (17), the heating metal tube (20) in the solenoid (17) induces eddy current to generate heat, and meanwhile, the heating core (11) arranged in the hollow part of the heating metal tube (20) induces eddy current to generate heat together, so that the heating efficiency is enhanced; the heating metal tube (20) and the heating core (11) jointly form a heating metal tube (21) with a core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275082.2A CN112272422A (en) | 2020-11-08 | 2020-11-08 | Induction type isolated power supply of electromagnetic oven principle and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011275082.2A CN112272422A (en) | 2020-11-08 | 2020-11-08 | Induction type isolated power supply of electromagnetic oven principle and application method thereof |
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| Publication Number | Publication Date |
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| CN112272422A true CN112272422A (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011275082.2A Pending CN112272422A (en) | 2020-11-08 | 2020-11-08 | Induction type isolated power supply of electromagnetic oven principle and application method thereof |
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| CN (1) | CN112272422A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113179792A (en) * | 2021-04-13 | 2021-07-30 | 湖南省森林植物园 | Plant temperature control cultivation device |
-
2020
- 2020-11-08 CN CN202011275082.2A patent/CN112272422A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113179792A (en) * | 2021-04-13 | 2021-07-30 | 湖南省森林植物园 | Plant temperature control cultivation device |
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