CN1842229A - Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply - Google Patents
Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply Download PDFInfo
- Publication number
- CN1842229A CN1842229A CN 200510041878 CN200510041878A CN1842229A CN 1842229 A CN1842229 A CN 1842229A CN 200510041878 CN200510041878 CN 200510041878 CN 200510041878 A CN200510041878 A CN 200510041878A CN 1842229 A CN1842229 A CN 1842229A
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- circuit
- induction heating
- heating power
- superaudio
- electromagnetic induction
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 230000005674 electromagnetic induction Effects 0.000 title claims description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- General Induction Heating (AREA)
- Inverter Devices (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The invention discloses a supra-acoustic frequency modulation amplitude modulation semi-bridge series harmonic oscillation output magneto electric induction heating power, which is formed by a band filter, a harmonic oscillation semi-bridge output circuit and a frequency modulation amplitude modulation control circuit. The harmonic oscillation semi-bridge output circuit is formed by a filter circuit, an anti-radian common mode inductance, an IGBT semi-bridge output circuit and a current sensor CT; the frequency modulation amplitude modulation control circuit is formed by an oscillating circuit, a trigger pulling circuit, a retrace absorbent circuit, a voltage frequency modulation control circuit, a heating coil temperature testing circuit, an IGBT temperature testing circuit, a pot temperature protecting circuit, a phase discriminator, a trigger control circuit, a current sensor CT and an interface circuit CPU and so on.
Description
Technical field
The invention belongs to electronic applications, it relates to a kind of electromagnetic induction heating power supply, is a kind of Superaudio FM AM half bridge series resonance output cpu monitor electromagnetic induction heating power supply device specifically.
Background technology
At present the heating cooker that generally adopts of China mostly is gas-cooker greatly, and the relative coal fired stove of gas-cooker is although convenient and healthy, but thermal radiation that produces behind the hidden danger of combustion gas and the fuel gas buring and waste gas have caused new pollution again to human body, environment.The popular electromagnetism heating cooker of developed country in recent years, the electromagnetism heating cooker does not produce the favor that advantages such as thermal radiation more and more are subjected to people with its quick heating, heat efficiency height, the flames of anger, no flue dust, no pernicious gas, to environment, developed country uses the ratio of electromagnetic stove up to more than 80% at present, also reached 60% in area, Hong Kong, we can say, utilize the electromagnetism heating to become world trends as heating cooker.Make a general survey of the electromagnetic oven that sell present domestic market, though manufacturer is a lot, product type is numerous and diverse, but because of its circuit all adopts pulse width modulated or the phase shift output circuit, not only power is little, fault is many, and the frying pan of electromagnetic oven and heating plate can not break away from, otherwise will burn out electric elements, this is the traditional habit of incompatibility China stir-fry stove throwing pot cooking extremely, so also can't substitute gas-cooker fully, particularly in the hotel, promoting the use of of gas-cooker waste discharge rich and influential family such as restaurant, supermarket, steamer, train be restricted.
Summary of the invention
The objective of the invention is to design a kind of ICBT of having temperature protection, heater coil overtemperature protection, frequency protection, overvoltage power protection, show protection, the electrical interference of anti-city and prevent the electromagnetism heating power supply of this power supply functions such as city's electropollution from pot circuit protection, fault.
Technology contents of the present invention is made up of band pass filter, resonance oscillation semi-bridge output circuit, FMAM control circuit three parts.The resonance oscillation semi-bridge output circuit is penetrated common mode inductance, IGBT half-bridge output circuit, current sensor CT by filter circuit, the anti-width of cloth and is formed.The FMAM control circuit is made up of oscillating circuit, triggering promotion circuit, flyback absorption circuit, voltage frequency modulation circuit for regulating and controlling, heater coil temperature sensing circuit, IGBT temperature sensing circuit, the warm protective circuit of pot, phase discriminator, trigger control circuit, institutes such as current sensor CT, interface circuit CPU.
Circuit design of the present invention is reasonable, and efficient height, power are big, reliable operation, good output, to unload the electric current and voltage output characteristic stable, can be for following various power of the single-phase 5KW of 220V and the following various power uses of 380V three-phase 25KW.
Description of drawings
Accompanying drawing 1 is a schematic block circuit diagram of the present invention, and 01 is that band pass filter, 02 is controlled for FMAM for resonance oscillation semi-bridge output, 03.
Accompanying drawing 2 is band pass filter circuit schematic diagram of the present invention.
Accompanying drawing 4 (4-1,4-2) is a FMAM control circuit schematic diagram of the present invention.
Accompanying drawing 5 is to trigger in another embodiment of the present invention FMAM control circuit to promote circuit theory diagrams.
Accompanying drawing 6 is power out-put characteristic curve chart of the present invention.
Accompanying drawing 7 unloads electric current and voltage output characteristic curve figure for the present invention.
Accompanying drawing 8 unloads frequency-power characteristic figure for full load of the present invention.
Accompanying drawing 9 is the structural representation of the present invention and electromagnetic oven, wherein material 1, iron pan 2, ceramic panel 3, coil 4, supply unit 5, power supply lead wire 6.
Embodiment
Below in conjunction with accompanying drawing the present invention is done to describe in further detail, accompanying drawing 2 is an embodiment of the invention three-phase band pass filter circuit schematic diagram, the harmful clutter in the power supply can be filtered in case to interference of the present invention; Simultaneously can prevent of the pollution of the frequency of 20-30KHZ of the present invention to external power grid.Accompanying drawing 3 is an embodiment of the invention resonance oscillation semi-bridge output circuit schematic diagram, by three phase full bridge rectification D, filter circuit, common mode inductance L
1, IFBT and C
9-C
14And heater coil L
2Form the series resonance output circuit, CT is a current sensor.Accompanying drawing 4 (4-1,4-2) is an embodiment of the invention FMAM control circuit, by pulse transformer T
2, T
3And U
13, U
15Form the half-bridge circuits for triggering, by doube bridge heap U
14Forming flyback absorbs circuit and feeds back to power supply, T
2, T
3Play isolated high-voltage.Trigger impulse is by CPU, U
1, U
2, U
3With monitoring program through interface circuit U
5, U
6Send and under its monitoring.It is by interface circuit U that trigger impulse is with or without
4Reach the LED1-LED6 demonstration and heat, do not heat or report to the police, CPU turns off trigger impulse during warning, by U
11, U
10, U
9Form voltage-controlled oscillator, flow to CPU, when reporting to the police by CPU through Q
2In time turn off oscillator.By U
7, U
12, U
8Form detection circuit, as the circuit of adjusting of phase demodulation, the protection of pot temperature, TGBT temperature protection, heater coil temperature protection and output current.
Integrated circuit of the present invention is formed a big closed-loop by control circuit, and the complete machine control circuit is supplied with by two kinds of power supplys, and P1 is that 15V supplies circuits for triggering usefulness, and ICL is that 5V supplies all the other IC usefulness, and the ac input end with the surge voltage of preventing.
The above embodiment of the present invention triggers and promotes to select UC3708 for use, also can select IXDD404P for use
1, accompanying drawing 5 is for selecting IXDD404P for use
1The time, be increased in U
3With U
13Between partial circuit, when adopting UC3708, Y
5Short circuit, Y
2, Y
3, Y
4Open circuit is when adopting IXDD404P
1The time Y
5Open circuit, Y
2, Y
3, Y
4Short circuit.
Relative pulse of the present invention transfers wide or phase shift output circuit efficient height, power are big, little, the good reliability of volume, and good output, the size of output is only relevant with given frequency, and the design of output circuit tends to this frequency more at series resonance 20-24KW state.Power output is big, and is frequency stabilization, and its output characteristic curve is a good sine curve as shown in Figure 6.Power supply full load of the present invention is unloaded the electric current and voltage output characteristic curve as shown in Figure 7, and the M point is the full load point voltage among the figure, and when loading when point removes at full capacity, output voltage descends.Full load of the present invention is unloaded frequency-power characteristic as shown in Figure 8, the full load point when the N point removes for pan, and when removing pan at full capacity, output frequency is frequency stabilization, promptly frequency is constant, until not exporting.
As shown in Figure 9 the present invention is connected by power supply lead wire 6 and coil 4, can produce the electromagnetic field of high frequency, be placed with ceramic panel 3 and iron pan 2 on the coil 4 successively, electromagnetic induction produces eddy current to the iron pan bottom, directly makes the bottom of a pan generate heat rapidly, Fast Heating material 1.Relative gas kitchen ranges, the electromagnetic oven quick heating of forming by the present invention, heat efficiency height, the flames of anger, no flue dust, no pernicious gas does not produce thermal radiation to surrounding environment, throws the pot cooking so particularly suitable is fried stove, can satisfy the average family needs and also can on hotel, restaurant, supermarket, steamer, train, promote the use of, have brilliant market developing prospect.
Claims (8)
1. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply is controlled 03 3 parts and is formed by band pass filter 01, resonance oscillation semi-bridge output 02, FMAM.
2. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1, the output 02 of its resonance oscillation semi-bridge are penetrated common mode inductance, IGBT half-bridge output circuit, current sensor CT by filter circuit, the anti-width of cloth and are formed.
3. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1, its FMAM control 03 is made up of oscillating circuit, triggering promotion circuit, flyback absorption circuit, voltage frequency modulation circuit for regulating and controlling, heater coil temperature sensing circuit, IGBT temperature sensing circuit, the warm protective circuit of pot, phase discriminator, trigger control circuit, institutes such as current sensor CT, interface circuit CPU.
4. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1 and 2, resonance oscillation semi-bridge output 02 is by three phase full bridge rectification D, filter circuit, common mode inductance L
1, IFBT and C
9-C
14And heater coil L
2Form the series resonance output circuit, CT is a current sensor.
5. according to claim 1 or 3 described Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supplies, FMAM control 03 is by pulse transformer T
2, T
3And U
13, U
15Form the half-bridge circuits for triggering, by doube bridge heap U
14Form flyback and absorb circuit and feed back to power supply, trigger impulse is by CPU, U
1, U
2, U
3With monitoring program through interface circuit U
5, U
6Send and under its monitoring, it is by interface circuit U that trigger impulse is with or without
4Reach the LED1-LED6 demonstration and heat, do not heat or report to the police, CPU turns off trigger impulse during warning, by U
11, U
10, U
9Form voltage-controlled oscillator, flow to CPU, when reporting to the police by CPU through Q
2In time turn off oscillator, by U
7, U
12, U
8Form detection circuit, as the circuit of adjusting of phase demodulation, the protection of pot temperature, TGBT temperature protection, heater coil temperature protection and output current.
6. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1, integrated circuit is formed a big closed-loop by control circuit, the complete machine control circuit is supplied with by two kinds of power supplys, P1 is that 15V uses for circuits for triggering, ICL is that 5V supplies all the other IC usefulness, and the ac input end with the surge voltage of preventing.
7. according to claim 1 or 3 described Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supplies, it triggers the promotion circuit and selects UC3708 for use, when selecting UC3708 for use, and Y
5Short circuit, Y
2, Y
3, Y
4Open circuit.
8. according to claim 1 or 3 described Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supplies, it triggers the promotion circuit also can select IXDD404P for use
1, when selecting IXDD404P for use
1The time, at U
3With U
13Between increase partial circuit, this moment Y
5Open circuit, Y
2, Y
3, Y
4Short circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418780A CN100441058C (en) | 2005-03-31 | 2005-03-31 | Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418780A CN100441058C (en) | 2005-03-31 | 2005-03-31 | Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1842229A true CN1842229A (en) | 2006-10-04 |
| CN100441058C CN100441058C (en) | 2008-12-03 |
Family
ID=37031031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100418780A Active CN100441058C (en) | 2005-03-31 | 2005-03-31 | Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100441058C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226539A (en) * | 2011-04-21 | 2011-10-26 | 浙江苏泊尔家电制造有限公司 | Induction cooker and temperature measurement method thereof |
| CN102564125A (en) * | 2011-04-20 | 2012-07-11 | 泰州杰利瑞节能科技发展有限公司 | Ultrasonic-frequency induction heating smelting furnace |
| CN102938948A (en) * | 2012-11-25 | 2013-02-20 | 淄博市临淄银河高技术开发有限公司 | Constant-voltage precisely-controlled induction heating equipment |
| CN104302027A (en) * | 2014-09-05 | 2015-01-21 | 湘潭市南冶中频高新技术开发有限公司 | Intermediate frequency-superaudio frequency-high frequency induction heating power source of IGBT full bridge inversion |
| CN105365175A (en) * | 2015-10-08 | 2016-03-02 | 安徽清龙泉印刷科技股份有限公司 | Electromagnetic induction heating system for injection molding machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2260403Y (en) * | 1995-12-30 | 1997-08-20 | 洛阳市金兰科技开发有限公司 | High frequency contravariant high valtage power supply arrangement for electrostatic cleaner |
| CN2438294Y (en) * | 2000-06-15 | 2001-07-04 | 珠海市明宏集团有限公司 | AC electronic ballast for high-intensity gas discharge lamp |
| JP2001357970A (en) * | 2000-06-16 | 2001-12-26 | Sharp Corp | High frequency heating device |
| JP4301867B2 (en) * | 2003-05-30 | 2009-07-22 | 田淵電機株式会社 | Inverter power control circuit for high frequency heating equipment |
-
2005
- 2005-03-31 CN CNB2005100418780A patent/CN100441058C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564125A (en) * | 2011-04-20 | 2012-07-11 | 泰州杰利瑞节能科技发展有限公司 | Ultrasonic-frequency induction heating smelting furnace |
| CN102226539A (en) * | 2011-04-21 | 2011-10-26 | 浙江苏泊尔家电制造有限公司 | Induction cooker and temperature measurement method thereof |
| CN102226539B (en) * | 2011-04-21 | 2015-07-15 | 浙江苏泊尔家电制造有限公司 | Induction cooker and temperature measurement method thereof |
| CN102938948A (en) * | 2012-11-25 | 2013-02-20 | 淄博市临淄银河高技术开发有限公司 | Constant-voltage precisely-controlled induction heating equipment |
| CN104302027A (en) * | 2014-09-05 | 2015-01-21 | 湘潭市南冶中频高新技术开发有限公司 | Intermediate frequency-superaudio frequency-high frequency induction heating power source of IGBT full bridge inversion |
| CN105365175A (en) * | 2015-10-08 | 2016-03-02 | 安徽清龙泉印刷科技股份有限公司 | Electromagnetic induction heating system for injection molding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100441058C (en) | 2008-12-03 |
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Owner name: MEIDI GROUP CO., LTD. Free format text: FORMER OWNER: ZHANG XIMIN Effective date: 20100608 |
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Free format text: CORRECT: ADDRESS; FROM: 712021 148#-2-4-7, CAIHONG RESIDENTIAL QUARTER, XIANYANG CITY, SHANXI PROVINCE TO: 528311 GONGYE STREET, PENGLAI ROAD, BEIJIAO TOWN, SHUNDE DISTRICT, FOSHAN CITY, GUANGDONG PROVINCE |
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Effective date of registration: 20100608 Address after: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee after: Midea Group Address before: 148 No. 712021 rainbow new district, Shaanxi, Xianyang -2-4-7 Patentee before: Zhang Ximin |
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Owner name: MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Free format text: FORMER OWNER: MEIDI GROUP CO. LTD. Effective date: 20120418 |
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Effective date of registration: 20120418 Address after: Beijiao Town, Shunde District of Guangdong city of Foshan province Sanle road 528311 No. 19 Patentee after: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. Address before: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee before: Midea Group |
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| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING CO., LTD., SHUNDE DISTRICT, FOSHAN CITY |
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Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: Beijiao Town, Shunde District of Guangdong city of Foshan province Sanle road 528311 No. 19 Patentee before: FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MANUFACTURING Co.,Ltd. |