CN101909375B - High-power electromagnetic oven circuit based on SoC (System On Chip) chip - Google Patents
High-power electromagnetic oven circuit based on SoC (System On Chip) chip Download PDFInfo
- Publication number
- CN101909375B CN101909375B CN 200910107916 CN200910107916A CN101909375B CN 101909375 B CN101909375 B CN 101909375B CN 200910107916 CN200910107916 CN 200910107916 CN 200910107916 A CN200910107916 A CN 200910107916A CN 101909375 B CN101909375 B CN 101909375B
- Authority
- CN
- China
- Prior art keywords
- circuit
- soc chip
- power
- cpu
- electromagnetic oven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000000295 complement effect Effects 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000005070 sampling Methods 0.000 claims description 23
- 238000007689 inspection Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000010354 integration Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 230000004224 protection Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000009841 combustion method Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 235000013410 fast food Nutrition 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Inverter Devices (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention relates to a high-power electromagnetic oven circuit based on an SoC (System On a Chip) chip, comprising a rectifier bridge, a filter, a power inverter circuit and a control unit. The control unit adopts the SoC chip integrated with a CPU, a plurality of comparators, a second AC-DC converter, a divider circuit, an integration circuit, an inverter, a zero cross detection circuit and a communication interface, wherein the power inverter circuit is a half-bridge resonance circuit, and the CPU in the SoC chip outputs a complementary pulse signal and a switching signal to an external driving circuit to drive the half-bridge resonance circuit to work. The large-power electromagnetic oven circuit based on the SoC chip also comprises a self-protected resonance tracking circuit, a pot detection circuit, a surge detection circuit and a multi-point temperature detection circuit. The high-power electromagnetic over circuit has the advantages of low production cost, small maintenance difficulty, high reliability and drying detection sensitivity, , small size because the pot body can be separated from a boiler, and the like and can match with different pots to provide users with convenience.
Description
Technical field
The invention belongs to electromagentic furnace technology field, especially a kind of high-power electromagnetic oven circuit based on SoC (Systemon a Chip) chip with the electric energy heating.
Background technology
High-power electromagnetic oven is the kitchen firing equipment that is used for heating with cooking food, and it utilizes the high frequency alternating current to produce alternating magnetic field through coil, and alternating magnetic field produces induced current---eddy current in the bottom of irony pot, and eddy current makes a pot height speed heating.The electromagnetic oven flames of anger, there are not bright cigarette, no waste gas, series of advantages such as it has, and firing rate is fast, the heat efficiency is high, homogeneous heating, sanitation and hygiene, energy-conserving and environment-protective, fail safe are good.In fields such as dining car, dining saloon, subway fast food, hotel, hotel, Chinese and Western fast food, army, enterprise, authority canteen, chafing dish restaurant and packed fried foods the vast market space is arranged.
There is following technological deficiency in domestic high-power electromagnetic oven:
1, adopt complicated hardware circuit (modulating the circuit that IC forms with PWM) that resonant circuit is carried out frequency-tracking like CD4046 more; Make the driving frequency of IGBT be approximately higher than resonance frequency all the time; The reliable and stable perception that is operated in of IGBT is distinguished; The shortcoming of doing like this is that hardware circuit is complicated, and system reliability is low, and cost is expensive.
The reliability deficiency of technology such as 2, the following power control of big current work state, anti-interference and protection.People have designed pot body and the fixing pattern of stove for this reason, avoided the inspection pot like this, move pot, the protection of top pot etc., need not examine pot, control simply, but equipment volume is huge, has limited the application scenario.
3, the ubiquity number of elements is many, and the fault point is many, produces, maintenance difficulty is big, whole defect of high cost.
Summary of the invention
Be the above-mentioned defective of avoiding existing high-power electromagnetic oven technology to exist; The present invention provides a kind of high-power electromagnetic oven circuit based on the SoC chip; Integrated CPU, some comparators, AC-DC transducer, bleeder circuit, integrating circuit, inverter, zero cross detection circuit and communication interface etc. in its SoC chip; And dispose the protective circuit of multiple optimal design, so that the high-power electromagnetic oven functional reliability improves, production cost reduces.
The present invention is based on the high-power electromagnetic oven circuit of SoC chip, comprise rectifier bridge, filter, power inversion circuit and control unit, it is characterized in that:
Said control unit adopts the SoC chip, is integrated with CPU, some comparators, the 2nd AC-DC transducer, bleeder circuit, integrating circuit, inverter, zero cross detection circuit and communication interface in this chip;
Said power inversion circuit is the half-bridge resonance circuit, and the CPU in the said SoC chip slapper exports complementary pulse signal and switching signal to outside drive circuit promotes the half-bridge resonance circuit working;
Further comprise:
Self-shield resonance tracking circuit; This circuit comprises the outer resonance current sample circuit of CPU, the 2nd AC-DC transducer, bleeder circuit, second comparator, the 3rd comparator and sheet in the said SoC chip slapper; The resonance current of sampling is after the 2nd AC-DC transducer rectification; Produce two paths of signals is imported CPU respectively through second comparator, the 3rd comparator two inputs through bleeder circuit; CPU is according to the frequency from the complementary pulse signal of the two paths of signals of second, third comparator adjustment output, and the break-make frequency that makes IGBT in the half-bridge resonance circuit is all the time a little more than resonance frequency, or the output of turn-offing complementary pulse signal realizes defencive function;
Inspection pot circuit, this circuit comprise the outer resonance current sample circuit of CPU, first comparator and sheet in the said SoC chip slapper;
The surge testing circuit; This circuit comprises an outer input current sample circuit and the AC-DC transducer of integrator, the 4th comparator, inverter and sheet in the said SoC chip slapper; The one AC-DC transducer is connected with the input current sample circuit; The input of said integrator is connected with an AC-DC transducer negative output terminal, said the 4th comparator of the output termination of integrator, and the output of the 4th comparator meets the CPU in the said SoC chip slapper through said inverter; And
The multi-point temp testing circuit.
High-power electromagnetic oven circuit of the present invention adopts the SoC chip technology, this SoC built-in chip type the CPU core control technology, chip integration is high, the peripheral applications circuit is simple, greatly reduces production, maintenance difficulty and cost.
It has protective circuits such as resonance tracking circuit, inspection pot circuit, surge testing circuit; These circuit are except that current sample; Other part all is integrated in the SoC chip, and surge detects and the shared current sampling circuit of power detection a resonance tracking and the shared current sampling circuit of inspection pot; Reduce the dispersion cabling and disturbed, greatly improved reliability.
It adopts the temperature of a plurality of points of multi-point temperature measurement electric circuit inspection boiler face, has avoided existing electromagnetic oven inspection center's temperature to cause in time, accurately judging the defective of dry combustion method, has improved electromagnetic oven dry combustion method detection sensitivity.
Because the present invention has adopted kinds of protect circuit such as special-purpose resonance tracking circuit, inspection pot circuit, surge testing circuit; Make high-power electromagnetic oven design break away from the constraint of traditional pot of body and stove Fixed Design pattern; Pot body and stove are separable; Volume reduces, can the different pan of adapted, to the user convenience is provided.
Description of drawings
Fig. 1 is a theory diagram of the present invention;
Fig. 2 is the embodiment circuit diagram;
The CHK-BQ002V1.0 type SoC chip internal circuit diagram that Fig. 3 adopts for Fig. 2 embodiment;
Fig. 4 is the oscillogram of the complementary pulse signal of SoC chip output.
Embodiment
Further specify in the face of the present invention down.
With reference to Fig. 1-3, this high-power electromagnetic oven circuit comprises: rectifier bridge 1, filter 2, power inversion circuit 3, control unit 6, temperature sensing circuit 9, control switch and display 10, self-shield resonance tracking circuit, inspection pot circuit, surge testing circuit etc.
The CHK-BQ002V1.0 type SoC chip that control unit 6 adopts the applicant to design voluntarily is integrated with CPU, some comparator C P1-CP4, the 2nd AC-DC transducer, bleeder circuit F1, integrating circuit J1, inverter, zero cross detection circuit and communication interface etc. in this chip.
Said self-shield resonance tracking circuit comprises the outer resonance current sample circuit 8 of CPU, the 2nd AC-DC transducer, bleeder circuit F1, the second comparator C P2, the 3rd comparator C P3 and sheet in the said SoC chip slapper; The resonance current of sampling is after the 2nd AC-DC transducer rectification; Produce two paths of signals is imported CPU respectively through the second comparator C P2, the 3rd comparator C P3 two inputs through bleeder circuit F1; CPU is according to the frequency of the complementary pulse signal of exporting from the two paths of signals adjustment of the second comparator C P2 and the 3rd comparator C P3; The break-make frequency that makes IGBT1 and IGBT2 in the half-bridge resonance circuit is all the time a little more than resonance frequency, or the output of turn-offing complementary pulse signal realizes defencive function.In the specific embodiment, resonance current sample circuit 8 is through the electric current (see figure 2) in the current transformer T3 sampling resonant tank.
Said inspection pot circuit comprises the outer resonance current sample circuit 8 of CPU, the first comparator C P1 and sheet in the said SoC chip slapper.The resonance current of sampling is imported the first comparator C P1 and reference voltage V
Ref1Relatively, CPU judges according to the umber of pulse of inspection pot counting first comparator C P1 output in the phase whether boiler face has pot.If umber of pulse is less than setting threshold then judge that boiler face has pot, otherwise judge that then boiler face does not have pot.
Said surge testing circuit comprises an outer input current sample circuit 4 and the AC-DC transducer 5 of integrator J1, the 4th comparator C P4, inverter and sheet in the said SoC chip slapper; The one AC-DC transducer 5 is connected with input current sample circuit 4; The input of said integrator J1 is connected with an outer AC-DC transducer 5 negative output terminals of sheet; Said the 4th comparator C P4 of output termination, the 4th comparator C P4 output meets the CPU in the said SoC chip slapper through said inverter.When the surge peak voltage appearred in the 220V50Hz ac power supply circuit, an AC-DC transducer 5 can be imported a negative pulse voltage by the integrator J1 in the SoC chip slapper, input the 4th comparator C P4 and reference voltage V behind this negative pulse voltage integration
Ref3Relatively, confirm whether surge surpasses set point, if surpass, can be defeated by the CPU positive pulse in the SoC chip slapper through inverter, CPU is handled accordingly, the safe operation of protection system.In the specific embodiment, input current sample circuit 4 is through the electric current (see figure 2) in the current transformer T2 sampling power supply ac input circuit.
CPU one input in the said SoC chip slapper of positive output termination of the 2nd AC-DC transducer 5 that said SoC chip slapper is outer is imported CPU with sample rate current, is used for confirming the current power of electromagnetic oven.Can find out, adopt the technical scheme of the shared same current sampling circuit of detection (being input current sample circuit 4) of current surge, voltage surge and complete machine power electric current among the present invention.Extract alternating component as the surge protection reference, flip-flop is as the reference of complete machine operating current.
Multi-point temp testing circuit 9 comprises the first furnace surface temperature sample circuit, the second furnace surface temperature sample circuit and IGBT temperature sampling circuit; The temperature inductor of the first furnace surface temperature sample circuit is installed on the center of heater coil disc; The temperature inductor of the second furnace surface temperature sample circuit is installed between disk center and the plate edge of heater coil disc and the distance at range hadn wheel center is the 1/3-2/3 of heater coil disc radius, and the IGBT temperature sampling circuit is used to detect the temperature of two power tube IGBT1, IGBT2.The temperature signal that three temperature sampling circuits collect is respectively through the said SoC chip of different interface (5 pin, 11 pin and 13 pin of CHK-BQ002V1.0 type SoC chip) input.
Wherein, the second furnace surface temperature sample circuit comprises at least two temperature inductors, and they are evenly distributed on the heater coil disc with heater coil disk center is that the center of circle, R/3-2R/3 are on the circumference of radius, and wherein R is the radius of heater coil disc.The output of a plurality of temperature inductors of the second furnace surface temperature sample circuit all is connected to 13 pin of CHK-BQ002V1.0 type SoC chip.
With reference to Fig. 4, the complementary pulse signal of the CPU output in the said SoC chip slapper is complementary two groups of PFM (pulse frequency modulation) pulse signal, and the duty ratio of pulse signal is all less than 0.5.They promote 3 work of half-bridge resonance circuit through outside drive circuit 7.The cycle T of PFM pulse signal is big more, and electromagnetic oven output power is big more.
Communication interface in the said SoC chip slapper is a serial line interface, and the interior CPU of this interface realization SoC chip slapper communicates by letter with external control switch and display.
Zero cross detection circuit in the SoC chip slapper exports CPU to and carries out handled, with the safe operation of protection system the 220V50Hz alternating current signal detection.When alternating current zero crossing, carry out switching on and shutting down, can reduce the switching noise of electromagnetic oven, reduce impact, prolong the useful life of IGBT IGBT.
Said CHK-BQ002V1.0 type SoC pin of chip function is:
15,16 power pins,
7,9,10 grounding legs,
1,3,8,19 empty pin,
2,4,6 complementary pulse signals and switching signal delivery outlet,
5 IGBT temperature sampling input ports,
11,13 first, second furnace surface temperature sampling input ports,
17 zero passage detection input ports,
21 loudspeaker control delivery outlet,
23,25 encoder input ports,
26,27,28 panel communication interfaces,
24 fan control mouths,
22 line voltages detect mouth,
18,20 resonance currents sampling input port,
12,14 input currents sampling input port.
This high-power electromagnetic oven circuit adopts the SoC chip technology; The SoC chip slapper has only the basic circuit of half-bridge induction heating outward; Basic circuit provides operating state for the SoC chip through two current transformer T2, T3; SoC chip detection power supply, temperature realize the heating system that has permanent power, moves protections such as a pot detection, overcurrent, overvoltage, surge.The performance number that the SoC chip sends according to man-machine interface is exported complementary pulse enable signal half-bridge resonance circuit 3 by 2,4 pin of SoC chip and is operated in setting power; Current value adjustment output frequency according to low-frequency current instrument transformer T2 feedback makes power invariability; Current value according to HF current transformer T3 feedback is adjusted 2 of SoC chip; The frequency of the complementary pulse signal of 4 pin output is carried out state protection, adjustment; The driving frequency that makes IGBT1 and IGBT2 is all the time a little more than resonance frequency, and the perception that is operated in that IGBT1 and IGBT2 can be reliable and stable is like this distinguished.The use of bad pan, system adjusts to suitable power bracket automatically according to the state of protective circuit, guarantees reliability service.
Claims (9)
1. the high-power electromagnetic oven circuit based on the SoC chip comprises rectifier bridge, filter, power inversion circuit and control unit, it is characterized in that:
Said control unit adopts the SoC chip, is integrated with CPU, some comparators, the 2nd AC-DC transducer, bleeder circuit, integrating circuit, inverter, zero cross detection circuit and communication interface in this chip;
Said power inversion circuit is the half-bridge resonance circuit, and the CPU in the said SoC chip slapper exports complementary pulse signal and switching signal to outside drive circuit promotes the half-bridge resonance circuit working;
Further comprise:
Self-shield resonance tracking circuit; This circuit comprises the outer resonance current sample circuit of CPU, the 2nd AC-DC transducer, bleeder circuit, second comparator, the 3rd comparator and sheet in the said SoC chip slapper; The resonance current of sampling produces two paths of signals is imported CPU respectively through second comparator, the 3rd comparator two inputs through bleeder circuit after the 2nd AC-DC transducer rectification;
Inspection pot circuit, this circuit comprise the outer resonance current sample circuit of CPU, first comparator and sheet in the said SoC chip slapper;
The surge testing circuit; This circuit comprises an outer input current sample circuit and the AC-DC transducer of integrator, the 4th comparator, inverter and sheet in the said SoC chip slapper; The one AC-DC transducer is connected with the input current sample circuit; The input of said integrator is connected with an AC-DC transducer negative output terminal, said the 4th comparator of output termination, and the output of the 4th comparator meets the CPU in the said SoC chip slapper through said inverter; And
The multi-point temp testing circuit.
2. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1; It is characterized in that: said multi-point temp testing circuit comprises the first furnace surface temperature sample circuit, the second furnace surface temperature sample circuit and IGBT temperature sampling circuit; The temperature inductor of the first furnace surface temperature sample circuit is installed on the center of heater coil disc, and the temperature inductor of the second furnace surface temperature sample circuit is installed between disk center and the plate edge of heater coil disc and the distance at range hadn wheel center is the 1/3-2/3 of heater coil disc radius.
3. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 2; It is characterized in that: the said second furnace surface temperature sample circuit comprises at least two temperature inductors; They are evenly distributed on the heater coil disc with heater coil disk center is that the center of circle, R/3-2R/3 are on the circumference of radius, and wherein R is the radius of heater coil disc.
4. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1; It is characterized in that: CPU one input in the said SoC chip slapper of positive output termination of the AC-DC transducer that said SoC chip slapper is outer; Sample rate current is imported CPU, be used for confirming the current power of electromagnetic oven.
5. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1 is characterized in that: the complementary pulse signal of the CPU output in the said SoC chip slapper is two groups of complementary PFM pulse signals, and the duty ratio of pulse signal is all less than 0.5.
6. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1; It is characterized in that: said half-bridge resonance circuit comprises power tube IGBT1, power tube IGBT2, solenoid L0 and capacitor C 4, C7, C12, C13; The collector electrode of power tube IGBT1 connects the positive output end of rectifier bridge; Emitter connects the collector electrode of IGBT2 and the end of solenoid L0; The emitter of IGBT2 connects the negative output terminal of rectifier bridge; Capacitor C 7 is attempted by between the emitter and collector of power tube IGBT1, and capacitor C 13 is attempted by between the emitter and collector of power tube IGBT2, is attempted by between two outputs of rectifier bridge after capacitor C 4, the C12 series connection and the other end of the said solenoid L0 of public termination.
7. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1 is characterized in that: the communication interface in the said SoC chip slapper is a serial line interface, and the interior CPU of this interface realization SoC chip slapper communicates by letter with external control switch and display.
8. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1; It is characterized in that: said resonance current sample circuit is through the electric current in the current transformer T3 sampling resonant tank, and said input current sample circuit is through the electric current in the current transformer T2 sampling power supply ac input circuit.
9. the high-power electromagnetic oven circuit based on the SoC chip as claimed in claim 1 is characterized in that said SoC chip has following function pin: complementary pulse signal and switching signal delivery outlet, loudspeaker control delivery outlet; The fan control delivery outlet, IGBT temperature sampling input port, first, second furnace surface temperature sampling input port; The zero passage detection input port, line voltage detects mouth, resonance current sampling input port; Input current sampling input port, and panel communication interface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910107916 CN101909375B (en) | 2009-06-08 | 2009-06-08 | High-power electromagnetic oven circuit based on SoC (System On Chip) chip |
| PCT/CN2010/072819 WO2010142190A1 (en) | 2009-06-08 | 2010-05-15 | Large power electromagnetic cooker circuit based on system-on-chip (soc) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910107916 CN101909375B (en) | 2009-06-08 | 2009-06-08 | High-power electromagnetic oven circuit based on SoC (System On Chip) chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101909375A CN101909375A (en) | 2010-12-08 |
| CN101909375B true CN101909375B (en) | 2012-11-28 |
Family
ID=43264655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910107916 Active CN101909375B (en) | 2009-06-08 | 2009-06-08 | High-power electromagnetic oven circuit based on SoC (System On Chip) chip |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101909375B (en) |
| WO (1) | WO2010142190A1 (en) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596307B (en) * | 2013-11-05 | 2015-10-14 | 美的集团股份有限公司 | Resonant control circuit and electromagnetic heater |
| CN105795881B (en) * | 2014-12-31 | 2019-04-02 | 佛山市顺德区美的电热电器制造有限公司 | Control method and device for preventing dry burning in cooking equipment |
| CN106162972A (en) * | 2015-04-24 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | Electricity cooking pot and control circuit thereof |
| CN107041026A (en) * | 2015-07-29 | 2017-08-11 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and its current detecting and protection control device, method |
| CN106470507B (en) * | 2015-08-18 | 2023-04-28 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating system and surge detection device thereof |
| CN105485734B (en) * | 2015-12-24 | 2018-02-09 | 宁波德高软件技术有限公司 | Pot system is examined in electromagnetic oven total digitalization pulse |
| CN106879096B (en) * | 2017-02-22 | 2023-09-26 | 湖南机电职业技术学院 | Electromagnetic oven |
| CN108731040B (en) * | 2017-04-14 | 2020-12-01 | 佛山市顺德区美的电热电器制造有限公司 | Control method and device for electromagnetic heating cookware |
| KR20180136177A (en) * | 2017-06-14 | 2018-12-24 | 엘에스산전 주식회사 | An energy storage system |
| CN107484286A (en) * | 2017-10-17 | 2017-12-15 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| KR102541269B1 (en) | 2018-06-25 | 2023-06-09 | 삼성전자주식회사 | Cooking apparatus and method for controlling thereof |
| CN109708161A (en) * | 2018-12-07 | 2019-05-03 | 国网浙江海盐县供电有限公司 | A kind of electric stove pot suitable for the transformation of rural area fire stove |
| CN109548209B (en) * | 2019-01-03 | 2024-03-08 | 重庆悠悦智能科技有限公司 | Circuit special for sensing induction cooker |
| CN109862642A (en) * | 2019-02-21 | 2019-06-07 | 湖南理工学院 | A Design Method of High Power Digital Control Induction Cooker |
| CN110972344B (en) * | 2019-09-16 | 2022-02-11 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic heating circuit, electromagnetic heating appliance and protection method of electromagnetic heating circuit |
| CN111551782A (en) * | 2020-06-15 | 2020-08-18 | 广东瑞德智能科技股份有限公司 | Sampling circuit for electromagnetic heating product |
| CN114263943B (en) * | 2020-09-16 | 2023-10-20 | 佛山市顺德区百洛电器有限公司 | Control method, medium, terminal equipment and induction cooker for reducing pan detection noise |
| CN112333880B (en) * | 2020-09-27 | 2023-08-11 | 中山市乐天照明电器有限公司 | Emergency lighting power supply circuit applied to LED lamp |
| CN114680632A (en) * | 2020-12-29 | 2022-07-01 | 佛山市顺德区美的电热电器制造有限公司 | Half-bridge driving heating pot detection circuit, heating equipment, pot detection method and storage medium |
| CN113082560A (en) * | 2021-04-06 | 2021-07-09 | 武汉光燚激光科技有限公司 | Sound wave water film cultivation art skin therapeutic instrument |
| CN115243412A (en) * | 2022-08-09 | 2022-10-25 | 珠海格力电器股份有限公司 | Electromagnetic heating circuit, control method and related equipment |
| CN115243538B (en) * | 2022-09-23 | 2023-01-13 | 深圳源明杰科技股份有限公司 | Patch method, disc transfer mechanism, device, equipment and readable storage medium |
| CN115664188A (en) * | 2022-12-02 | 2023-01-31 | 上海中屹电器设备有限公司 | Soft start control device for power circuit of electromagnetic stove |
| CN115884455B (en) * | 2022-12-29 | 2023-09-05 | 广东海明晖电子科技有限公司 | Electromagnetic heating system and low standby power consumption control circuit thereof |
| CN116413497B (en) * | 2023-03-27 | 2026-02-17 | 广东海明晖电子科技有限公司 | Wire coil high-frequency current detection and control system and method based on single-tube scheme |
| CN119922774B (en) * | 2023-10-31 | 2026-03-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating circuits, control methods, devices, and electrical equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802045A (en) * | 2006-01-17 | 2006-07-12 | 帝磁电子科技（上海）有限公司 | High power electromagnetic oven output power control device |
| CN201418166Y (en) * | 2009-06-08 | 2010-03-03 | 深圳市鑫汇科科技有限公司 | High-power electromagnetic oven circuit based on SoC chip |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2741309Y (en) * | 2004-07-22 | 2005-11-16 | 山东九阳小家电有限公司 | Temperature controller of multi-point sensor for electromagnetic furnace |
| CN2859984Y (en) * | 2005-10-27 | 2007-01-17 | 深圳市拓邦电子科技股份有限公司 | Electromagnetic oven control device |
| KR100661226B1 (en) * | 2005-12-02 | 2006-12-22 | 엘지전자 주식회사 | Load sensing device and method of electric cooker |
| JP4652983B2 (en) * | 2006-01-18 | 2011-03-16 | 日立アプライアンス株式会社 | Induction heating device |
| CN101309529B (en) * | 2008-06-27 | 2010-11-17 | 武汉理工大学 | An intelligent control device and method for a high-power energy-saving electromagnetic cooker |
-
2009
- 2009-06-08 CN CN 200910107916 patent/CN101909375B/en active Active
-
2010
- 2010-05-15 WO PCT/CN2010/072819 patent/WO2010142190A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802045A (en) * | 2006-01-17 | 2006-07-12 | 帝磁电子科技（上海）有限公司 | High power electromagnetic oven output power control device |
| CN201418166Y (en) * | 2009-06-08 | 2010-03-03 | 深圳市鑫汇科科技有限公司 | High-power electromagnetic oven circuit based on SoC chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101909375A (en) | 2010-12-08 |
| WO2010142190A1 (en) | 2010-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101909375B (en) | High-power electromagnetic oven circuit based on SoC (System On Chip) chip | |
| CN201418166Y (en) | High-power electromagnetic oven circuit based on SoC chip | |
| CN101330779B (en) | Electric control device for modularization high-power electromagnetic range and control method | |
| CN101944855B (en) | Digital control power supply converter for kitchen range | |
| CN111432512B (en) | Electromagnetic heating equipment and heating control device and method thereof | |
| CN203645850U (en) | Control device for high-power induction cooker | |
| CN201282576Y (en) | Electric control gear of modularization high-power electromagnetic stove | |
| CN102158997B (en) | Heating device with the function of detecting the position of food container | |
| CN107302809A (en) | Electromagnetic Heating cooking system and its heating control apparatus and control method | |
| Tulu et al. | Induction cooker design with quasi resonant topology using jitter drive method | |
| CN207410547U (en) | For the control circuit and cooking apparatus of cooking apparatus | |
| CN201623883U (en) | Special electromagnetic oven for locomotive | |
| CN209562837U (en) | Electromagnetic heating system and its control circuit and electric cooker | |
| CN103167656B (en) | Commercial induction cooker chip circuit and commercial induction cooker | |
| CN103179711B (en) | Control system of commercial induction cooker | |
| CN201550029U (en) | Digital control type power converter for kitchen ranges | |
| CN108513381A (en) | Electromagnetic heating device and power control method | |
| CN101500350B (en) | Induction cooker control circuit and induction cooker using same | |
| CN203086769U (en) | Commercial induction cooker | |
| CN202350128U (en) | Commercial Induction Cooker Core | |
| CN203086768U (en) | Integrated chip of commercial induction cooker | |
| CN111244887A (en) | Protection circuit and surge detection method | |
| CN209419902U (en) | Electromagnetic heater and its resonance circuit and control circuit | |
| CN214592051U (en) | Control circuit of electromagnetic cooking appliance and electromagnetic cooking appliance | |
| CN204741581U (en) | An induction cooker control device and the induction cooker device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHK ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHENZHEN CHK TECHNOLOGY CO., LTD. Effective date: 20130924 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130924 Address after: Post office building Baoan District 13 Baomin Shenzhen city Guangdong province 518101 Road 27 layer Patentee after: Shenzhen CHK Electronics Co., Ltd. Address before: Post office building Baoan District 13 Baomin Shenzhen city Guangdong province 518101 Road 27 layer Patentee before: Shenzhen CHK Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN XINHUI TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN CHK ELECTRONICS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Post office building Baoan District 13 Baomin Shenzhen city Guangdong province 518101 Road 27 layer Patentee after: Xin Huike limited company of Shenzhen Address before: Post office building Baoan District 13 Baomin Shenzhen city Guangdong province 518101 Road 27 layer Patentee before: Shenzhen CHK Electronics Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 518133 B building, No. 7 down mountain road, Fuyong street, Shenzhen, Guangdong, Baoan District, China Patentee after: Xin Huike limited company of Shenzhen Address before: Post office building Baoan District 13 Baomin Shenzhen city Guangdong province 518101 Road 27 layer Patentee before: Xin Huike limited company of Shenzhen |
|
| CP02 | Change in the address of a patent holder |