CN117545118A - High-power electromagnetism stove of quick intensification - Google Patents
High-power electromagnetism stove of quick intensification Download PDFInfo
- Publication number
- CN117545118A CN117545118A CN202311824904.1A CN202311824904A CN117545118A CN 117545118 A CN117545118 A CN 117545118A CN 202311824904 A CN202311824904 A CN 202311824904A CN 117545118 A CN117545118 A CN 117545118A
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- Prior art keywords
- circuit
- power
- heating
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- poles
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- 238000010438 heat treatment Methods 0.000 claims abstract description 64
- 239000003990 capacitor Substances 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
Classifications
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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
- H05B6/04—Sources of current
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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
- H05B6/06—Control, e.g. of temperature, of power
-
- 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
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a rapid heating high-power electromagnetic oven, which comprises N electromagnetic heating devices, wherein each electromagnetic heating device is provided with a power supply circuit, an electromagnetic sampling circuit, a control circuit and a full-bridge/half-bridge resonance circuit diagram, and is characterized in that: n electromagnetic heating devices are all connected in parallel, each electromagnetic heating device is connected with the direct current output end of the first rectifying circuit, the alternating current input end of the first rectifying circuit is connected with two-phase live wires, and the direct current output end of the first rectifying circuit is also connected with the filter capacitor C1 in parallel. The invention can fully improve the electricity utilization efficiency and the power, and can meet the use requirements of customers.
Description
Technical Field
The invention relates to the field of electromagnetic heating, in particular to a high-power electromagnetic oven capable of quickly heating.
Background
In European and American areas, only two phases of electricity are provided, the phase voltage is 220-230VAC, and the electric current of each phase is limited to 16A, namely the electric input power of each phase is limited to 3.5KW, so that the European and American market needs an integrated multi-burner product, and meanwhile, a high-power output product is needed. For the product of four integrative electromagnetism furnace ends, use two live wire two zero line inputs, two furnace ends share a looks power supply generally, and when using single furnace end promptly, this furnace end maximum power is only 3.5kw, when using two furnace ends, and the average power of every furnace end is also only 1.7kw, and unnecessary one looks electricity can't participate in the acting, and holistic power consumption efficiency is lower, can not satisfy the demand of customer to high-power electromagnetism stove of rapid heating up.
Disclosure of Invention
The invention aims to provide a rapid heating high-power electromagnetic oven, which solves the problems existing in the background technology and overcomes the defects in the prior art.
The utility model provides a high-power electromagnetism stove of rapid heating up, includes N electromagnetic heating device, and every electromagnetic heating device all is equipped with power supply circuit, electromagnetic sampling circuit, control circuit, full bridge/half bridge resonant circuit, its characterized in that: n electromagnetic heating devices are all connected in parallel, each electromagnetic heating device is connected with the direct current output end of the first rectifying circuit, the alternating current input end of the first rectifying circuit is connected with two-phase live wires, and the direct current output end of the first rectifying circuit is also connected with the filter capacitor C1 in parallel.
The high-power electromagnetic oven with rapid temperature rise comprises four electromagnetic heating devices.
The single electromagnetic heating device adopts a full-bridge resonant circuit, the single electromagnetic heating device further comprises a heating circuit, a current sampling circuit and a driving circuit, the full-bridge resonant circuit comprises an upper half-bridge circuit and a lower half-bridge circuit, the upper half-bridge circuit and the lower half-bridge circuit are respectively provided with two groups of power transistors and two groups of capacitors, the E poles and the C poles of the power transistors are respectively connected with the first end and the second end of the capacitors, the E poles of the two groups of power transistors of the upper half-bridge circuit are connected with the C poles of the two groups of power transistors of the lower half-bridge circuit, the first end of the heating circuit is connected with the E poles of the first group of transistors of the upper half-bridge circuit and the second end of the heating circuit is connected with the E poles of the second group of transistors of the upper half-bridge circuit, the C poles of the two groups of power transistors of the upper half-bridge circuit are connected with the positive pole of the power circuit, the E poles of the two groups of power transistors of the lower half-bridge circuit are connected with the ground of the power circuit, and the G poles of the power transistors are connected with the driving circuit.
The heating circuit comprises a heating coil group and a resonance capacitor group, wherein the heating coil group and the resonance capacitor group are connected in series, the heating coil group comprises a heating coil or a plurality of heating coils which are connected in series, and the resonance capacitor group comprises a capacitor or a plurality of capacitors which are connected in parallel.
The power transistor is a MOS transistor or an IGBT transistor.
The 2 feet of the alternating current side of the first rectifying circuit are connected with the first live wire of the two-phase electricity through an inductor L1 and a fuse, the 3 feet of the alternating current side of the first rectifying circuit are connected with the second live wire of the two-phase electricity through an inductor L2, a piezoresistor VR1 is connected with the first ends of the inductor L1 and the inductor L2, and a capacitor C2 is connected with the alternating current side of the first rectifying circuit.
The beneficial effects of the invention are as follows:
in order to increase the power, the invention uses two fire wires for input, at the moment, the input voltage is 380V line voltage, the four furnace heads are connected in parallel, namely, each furnace head adopts two-phase power supply, when a single furnace head is used, the maximum power of the furnace head reaches more than 6kw due to the increase of the input voltage, and when the double furnace heads are used, each furnace head can be equally divided into more than 3kw, so that the electromagnetic oven can fully use two-phase power, the power utilization efficiency is improved, the power is increased, and the use requirement of customers can be met.
Drawings
FIG. 1 is a circuit diagram of an induction cooker power supply according to the present invention.
Fig. 2 is a diagram of an electromagnetic sampling circuit of the induction cooker of the invention.
FIG. 3 is a circuit diagram of the control of the induction cooker of the invention.
Fig. 4 is a diagram of a full bridge resonant circuit of the induction cooker of the invention.
Fig. 5 is a schematic block diagram of the induction cooker circuit of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as fixedly coupled, for example, unless explicitly stated or limited otherwise. Or can be detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
Referring to fig. 1-5, the invention discloses a rapid heating high-power electromagnetic oven, which comprises 4 electromagnetic heating devices, wherein each electromagnetic heating device is provided with a power supply circuit, an electromagnetic sampling circuit, a control circuit and a full-bridge/half-bridge resonant circuit, the 4 electromagnetic heating devices are all connected in parallel, each electromagnetic heating device is connected with a direct-current output end of a first rectifying circuit, an alternating-current input end of the first rectifying circuit is connected with a two-phase live wire, and a direct-current output end of the first rectifying circuit is also connected with a filter capacitor C1 in parallel.
The single electromagnetic heating device adopts a full-bridge resonant circuit, the single electromagnetic heating device further comprises a heating circuit, a current sampling circuit and a driving circuit, the full-bridge resonant circuit comprises an upper half-bridge circuit and a lower half-bridge circuit, the upper half-bridge circuit and the lower half-bridge circuit are respectively provided with two groups of power transistors and two groups of capacitors, the E poles and the C poles of the power transistors are respectively connected with the first end and the second end of the capacitors, the E poles of the two groups of power transistors of the upper half-bridge circuit are connected with the C poles of the two groups of power transistors of the lower half-bridge circuit, the first end of the heating circuit is connected with the E poles of the first group of transistors of the upper half-bridge circuit and the second end of the heating circuit is connected with the E poles of the second group of transistors of the upper half-bridge circuit, the C poles of the two groups of power transistors of the upper half-bridge circuit are connected with the positive pole of the power circuit, the E poles of the two groups of power transistors of the lower half-bridge circuit are connected with the ground of the power circuit, and the G poles of the power transistors are connected with the driving circuit.
The heating circuit comprises a heating coil group and a resonance capacitor group, wherein the heating coil group and the resonance capacitor group are connected in series, the heating coil group comprises a heating coil or a plurality of heating coils which are connected in series, and the resonance capacitor group comprises a capacitor or a plurality of capacitors which are connected in parallel.
The power transistor is a MOS transistor or an IGBT transistor.
The 2 feet of the alternating current side of the first rectifying circuit are connected with the first live wire of the two-phase electricity through an inductor L1 and a fuse, the 3 feet of the alternating current side of the first rectifying circuit are connected with the second live wire of the two-phase electricity through an inductor L2, a piezoresistor VR1 is connected with the first ends of the inductor L1 and the inductor L2, and a capacitor C2 is connected with the alternating current side of the first rectifying circuit.
All components referred to in the present invention may be general standard components or components known to those skilled in the art, and the structure, principle and control manner thereof are known to those skilled in the art through technical manuals or through routine experimental methods.
The foregoing is merely a preferred embodiment of the present invention, and the technical scope of the present invention is not limited in any way, so that other rapid heating high-power induction cookers obtained by adopting the same or similar technical features as those of the foregoing embodiment of the present invention are all within the scope of the present invention.
Claims (6)
1. The utility model provides a high-power electromagnetism stove of rapid heating up, includes N electromagnetic heating device, and every electromagnetic heating device all is equipped with power supply circuit, electromagnetic sampling circuit, control circuit, full bridge/half bridge resonant circuit, its characterized in that: n electromagnetic heating devices are all connected in parallel, each electromagnetic heating device is connected with the direct current output end of the first rectifying circuit, the alternating current input end of the first rectifying circuit is connected with two-phase live wires, and the direct current output end of the first rectifying circuit is also connected with the filter capacitor C1 in parallel.
2. The rapid heating high power induction cooker of claim 1, wherein: the high-power electromagnetic oven with rapid temperature rise comprises four electromagnetic heating devices.
3. The rapid heating high power induction cooker of claim 1, wherein: the single electromagnetic heating device adopts a full-bridge resonant circuit, the single electromagnetic heating device further comprises a heating circuit, a current sampling circuit and a driving circuit, the full-bridge resonant circuit comprises an upper half-bridge circuit and a lower half-bridge circuit, the upper half-bridge circuit and the lower half-bridge circuit are respectively provided with two groups of power transistors and two groups of capacitors, the E poles and the C poles of the power transistors are respectively connected with the first end and the second end of the capacitors, the E poles of the two groups of power transistors of the upper half-bridge circuit are connected with the C poles of the two groups of power transistors of the lower half-bridge circuit, the first end of the heating circuit is connected with the E poles of the first group of transistors of the upper half-bridge circuit and the second end of the heating circuit is connected with the E poles of the second group of transistors of the upper half-bridge circuit, the C poles of the two groups of power transistors of the upper half-bridge circuit are connected with the positive pole of the power circuit, the E poles of the two groups of power transistors of the lower half-bridge circuit are connected with the ground of the power circuit, and the G poles of the power transistors are connected with the driving circuit.
4. A rapid thermal processing high power induction cooker according to claim 3, wherein: the heating circuit comprises a heating coil group and a resonance capacitor group, wherein the heating coil group and the resonance capacitor group are connected in series, the heating coil group comprises a heating coil or a plurality of heating coils which are connected in series, and the resonance capacitor group comprises a capacitor or a plurality of capacitors which are connected in parallel.
5. The rapid heating high power induction cooker of claim 4, wherein: the power transistor is a MOS transistor or an IGBT transistor.
6. The rapid heating high power induction cooker of claim 1, wherein: the 2 feet of the alternating current side of the first rectifying circuit are connected with the first live wire of the two-phase electricity through an inductor L1 and a fuse, the 3 feet of the alternating current side of the first rectifying circuit are connected with the second live wire of the two-phase electricity through an inductor L2, a piezoresistor VR1 is connected with the first ends of the inductor L1 and the inductor L2, and a capacitor C2 is connected with the alternating current side of the first rectifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311824904.1A CN117545118A (en) | 2023-12-27 | 2023-12-27 | High-power electromagnetism stove of quick intensification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311824904.1A CN117545118A (en) | 2023-12-27 | 2023-12-27 | High-power electromagnetism stove of quick intensification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117545118A true CN117545118A (en) | 2024-02-09 |
Family
ID=89784471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311824904.1A Pending CN117545118A (en) | 2023-12-27 | 2023-12-27 | High-power electromagnetism stove of quick intensification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117545118A (en) |
-
2023
- 2023-12-27 CN CN202311824904.1A patent/CN117545118A/en active Pending
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