CN2831677Y - Super-audio FM semi-bridge series resonance outputting electromagnetic induction heating source - Google Patents
Super-audio FM semi-bridge series resonance outputting electromagnetic induction heating source Download PDFInfo
- Publication number
- CN2831677Y CN2831677Y CN 200520078547 CN200520078547U CN2831677Y CN 2831677 Y CN2831677 Y CN 2831677Y CN 200520078547 CN200520078547 CN 200520078547 CN 200520078547 U CN200520078547 U CN 200520078547U CN 2831677 Y CN2831677 Y CN 2831677Y
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- circuit
- bridge
- output
- superaudio
- induction heating
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- Expired - Fee Related
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 15
- 230000010355 oscillation Effects 0.000 claims abstract description 13
- 230000001276 controlling effect Effects 0.000 claims abstract description 3
- 230000001105 regulatory effect Effects 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 abstract 1
- 230000001681 protective effect 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
- 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)
Abstract
The utility model discloses a kind of Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply, connected by band pass filter, resonance oscillation semi-bridge output circuit, FMAM control circuit.The resonance oscillation semi-bridge output circuit is to penetrate common mode inductance, IGBT half-bridge output circuit, current sensor CT by filter circuit, the anti-width of cloth to be connected; The FMAM control circuit is connected by 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, current sensor CT, interface circuit CPU etc.The utility model circuit design is reasonable, and efficient height, power are big, reliable operation, good output.Electromagnetic oven by the utility model assembling can satisfy the average family needs, and can promote the use of on hotel, restaurant, supermarket, steamer, train, has brilliant market developing prospect.
Description
Technical field
The utility model belongs to electronic applications, and 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 purpose of this utility model is a kind of IGBT of having temperature protection of design, heater coil overtemperature protection, frequency protection, overvoltage power protection, shows protection, the electrical interference of anti-city and prevent the Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply of this power supply to functions such as city's electropollution from pot circuit protection, fault.
The technical solution of the utility model is:
Band pass filter (01) is connected with the three-phase alternating current power frequency supply, inserts resonance oscillation semi-bridge output (02) through filtered three-phase alternating current power-frequency voltage, and resonance oscillation semi-bridge output (02) is connected with FMAM control (03).
The direct voltage of the three-phase bridge rectification circuit D output of resonance oscillation semi-bridge output (02) is added on band radiation proof common mode inductance L
1Filter circuit, again via IGBT, C
7, C
8The half-bridge inversion circuit that constitutes provides the superaudio electric energy to resonant load, and current sensor CT is connected on the resonant load loop.
The oscillating circuit of FMAM control (03); provide by the superaudio signal under the control of voltage frequency modulation circuit for regulating and controlling and insert CPU element; send control command by CPU element; send the state shows signal by interface circuit to status display circuit; provide the superaudio signal to triggering output interface circuit simultaneously; under trigger control circuit control, promote drives IGBT switch by triggering, circuit such as CPU and IGBT temperature control, phase demodulation, the protection of pot temperature, heater coil temperature detection join.
Resonance oscillation semi-bridge output (02) is by three phase full bridge rectification D, filter circuit, common mode inductance L
1, IGBT and C
9-C
14And heater coil L
2Be connected into resonance output circuit, CT is a current sensor.
The utility model circuit design 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 utility model.
01 is band pass filter, and 02 is resonance oscillation semi-bridge output, and 03 is FMAM control.
Accompanying drawing 2 is the utility model embodiment three-phase band pass filter circuit schematic diagram.
Accompanying drawing 4 (4-1,4-2) is the utility model FMAM control circuit schematic diagram.
Accompanying drawing 5 is to trigger in another embodiment FMAM control circuit of the utility model to promote circuit theory diagrams.
Accompanying drawing 6 is the utility model power out-put characteristic curve chart.
Accompanying drawing 7 unloads electric current and voltage output characteristic curve figure for the utility model.
Accompanying drawing 8 unloads frequency-power characteristic figure for the utility model full load.
Accompanying drawing 9 is the structural representation of the utility model and electromagnetic oven, and graphical indicia is as follows:
Embodiment
Below in conjunction with accompanying drawing the utility model is done to describe in further detail, accompanying drawing 2 is the utility model embodiment 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 utility model; Simultaneously can prevent of the pollution of the frequency of the utility model 20-30KHZ to external power grid.Accompanying drawing 3 is the utility model embodiment resonance oscillation semi-bridge output circuit schematic diagram, by three phase full bridge rectification D, filter circuit, common mode inductance L
1, IGBT 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 the utility model embodiment 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, IGBT temperature protection, heater coil temperature protection and output current.
The utility model integrated circuit 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 utility model the foregoing description 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.
The utility model relative pulse 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.The utility model power supply full load 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.The utility model full load 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 utility model is connected by power supply lead wire 6 and coil 4, can be produced 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 utility model, 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, it is characterized in that band pass filter (01) is connected with the three-phase alternating current power frequency supply, insert resonance oscillation semi-bridge output (02) through filtered three-phase alternating current power-frequency voltage, resonance oscillation semi-bridge output (02) is connected with FMAM control (03).
2. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1 is characterized in that the direct voltage of the three-phase bridge rectification circuit D output of resonance oscillation semi-bridge output (02) is added on band radiation proof common mode inductance L
1Filter circuit, again via IGBT, C
7, C
8The half-bridge inversion circuit that constitutes provides the superaudio electric energy to resonant load, and current sensor CT is connected on the resonant load loop.
3. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1; the oscillating circuit that it is characterized in that FMAM control (03); provide by the superaudio signal under the control of voltage frequency modulation circuit for regulating and controlling and insert CPU element; send control command by CPU element; send the state shows signal by interface circuit to status display circuit; provide the superaudio signal to triggering output interface circuit simultaneously; under trigger control circuit control; promote drives IGBT switch, CPU and IGBT temperature control by triggering; phase demodulation; the protection of pot temperature; circuit such as heater coil temperature detection join.
4. Superaudio FM AM half bridge series resonance output electromagnetic induction heating power supply according to claim 1 and 2 is characterized in that resonance oscillation semi-bridge output (02) is by three phase full bridge rectification D, filter circuit, common mode inductance L
1, IGBT and C
9-C
14And heater coil L
2Be connected into 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, it is characterized in that 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, IGBT 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, and the complete machine control circuit is supplied with by two kinds of power supplys, P
1For 15V supplies circuits for triggering usefulness, 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 |
|---|---|---|---|
| CN 200520078547 CN2831677Y (en) | 2005-03-31 | 2005-03-31 | Super-audio FM semi-bridge series resonance outputting electromagnetic induction heating source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078547 CN2831677Y (en) | 2005-03-31 | 2005-03-31 | Super-audio FM semi-bridge series resonance outputting electromagnetic induction heating source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2831677Y true CN2831677Y (en) | 2006-10-25 |
Family
ID=37136598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078547 Expired - Fee Related CN2831677Y (en) | 2005-03-31 | 2005-03-31 | Super-audio FM semi-bridge series resonance outputting electromagnetic induction heating source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2831677Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066097A1 (en) * | 2008-12-12 | 2010-06-17 | 深圳市鑫汇科科技有限公司 | Electromagnetic oven circuit based on soc chip |
| CN102802290A (en) * | 2012-09-06 | 2012-11-28 | 山东聊城鲁发节能设备有限公司 | Supersonic frequency modulation frequency electromagnetic induction heating control module based on CPLD (complex programmable logic device) |
| CN105656340A (en) * | 2014-12-02 | 2016-06-08 | 辽宁汉昌高新科技有限公司 | Trigger circuit with frequency and amplitude modulation characteristics for switching power supply |
| CN106332342A (en) * | 2016-09-19 | 2017-01-11 | 安庆三维电器有限公司 | Intelligent electromagnetic heating control circuit |
| CN108397799A (en) * | 2017-02-08 | 2018-08-14 | 佛山市顺德区美的电热电器制造有限公司 | A kind of method and device of control electromagnetic oven |
-
2005
- 2005-03-31 CN CN 200520078547 patent/CN2831677Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066097A1 (en) * | 2008-12-12 | 2010-06-17 | 深圳市鑫汇科科技有限公司 | Electromagnetic oven circuit based on soc chip |
| CN102802290A (en) * | 2012-09-06 | 2012-11-28 | 山东聊城鲁发节能设备有限公司 | Supersonic frequency modulation frequency electromagnetic induction heating control module based on CPLD (complex programmable logic device) |
| CN102802290B (en) * | 2012-09-06 | 2013-09-25 | 山东聊城鲁发节能设备有限公司 | Supersonic frequency modulation frequency electromagnetic induction heating control module based on CPLD (complex programmable logic device) |
| CN105656340A (en) * | 2014-12-02 | 2016-06-08 | 辽宁汉昌高新科技有限公司 | Trigger circuit with frequency and amplitude modulation characteristics for switching power supply |
| CN105656340B (en) * | 2014-12-02 | 2017-12-08 | 辽宁汉昌高新科技有限公司 | There is the triggers circuit of FMAM characteristic for Switching Power Supply |
| CN106332342A (en) * | 2016-09-19 | 2017-01-11 | 安庆三维电器有限公司 | Intelligent electromagnetic heating control circuit |
| CN108397799A (en) * | 2017-02-08 | 2018-08-14 | 佛山市顺德区美的电热电器制造有限公司 | A kind of method and device of control electromagnetic oven |
| CN108397799B (en) * | 2017-02-08 | 2020-03-24 | 佛山市顺德区美的电热电器制造有限公司 | Method and device for controlling induction cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MEIDI GROUP CO., LTD. Free format text: FORMER OWNER: ZHANG XIMIN Effective date: 20100603 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 712021 NO.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 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100603 Address after: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee after: Midea Group Address before: 712021, -2-4-7, 148 rainbow new district, Shaanxi, Xianyang Patentee before: Zhang Ximin |
|
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
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: 528311 Beijiao, Guangdong, Shunde Town, Penglai Road, Industrial Avenue, Patentee before: Midea Group |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061025 Termination date: 20140331 |