CN202840661U - Low standby power consumption electromagnetic oven circuit - Google Patents
Low standby power consumption electromagnetic oven circuit Download PDFInfo
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- CN202840661U CN202840661U CN201220481472XU CN201220481472U CN202840661U CN 202840661 U CN202840661 U CN 202840661U CN 201220481472X U CN201220481472X U CN 201220481472XU CN 201220481472 U CN201220481472 U CN 201220481472U CN 202840661 U CN202840661 U CN 202840661U
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- electromagnetic oven
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
A low standby power consumption electromagnetic oven circuit comprises an LC resonant circuit and a first drive circuit, a control unit, a power supply and a synchronous sampling circuit connected with the LC resonant circuit, wherein the synchronous sampling circuit and the first drive circuit are respectively connected with an input end and an output end of the control unit; the power supply comprises a first power supply circuit for providing direct current to the LC resonant circuit and provided with an electromagnetic switch inside; a second power supply circuit for supplying the power to the rest of the circuit; and a controller for controlling the electromagnetic switch to switch off the first power supply circuit when the electromagnetic oven is at the standby state. The standby power consumption of the electromagnetic oven circuit is low, the power supply circuit is simple, and the cost is low.
Description
Technical field
The utility model relates to electromagnetic oven, particularly the electromagnetic oven circuit of low standby power loss.
Background technology
Along with global energy demand expanding day, energy-saving and emission-reduction have become the important developing direction of household electrical appliance, and aspect stand-by power consumption, each state has all proposed corresponding standard, and European Union requires more strict in this respect.The stand-by power consumption of common electromagnetic oven in the market is generally all more than 0.8W.Although some product has been realized lower stand-by power consumption, circuit is comparatively complicated, and components and parts cost and manufacturing cost are higher, simultaneously because components and parts are more, failure rate is corresponding increase also, how to realize realizing lower stand-by power consumption with lower cost, and be the research emphasis of electronic technology field always.
The utility model content
The utility model aims to provide a kind of low standby power loss electromagnetic oven circuit.
The utility model low standby power loss electromagnetic oven circuit, comprise LC resonant circuit and the first drive circuit thereof, control unit, power supply and the synchronized sampling circuit that is connected to described LC resonant circuit, described synchronized sampling circuit be connected the first drive circuit and connect respectively input and the output of described control unit, described power supply comprises: be used for providing galvanic the first power supply circuits to described LC resonant circuit, be provided with electromagnetic switch in the loop of these the first power supply circuits; Be used for the second power supply circuits to the remaining circuit power supply; And, be used for controlling described electromagnetic switch is cut off described the first power supply circuits at electromagnetic oven stand-by operation state controller.
Preferably, described the first power supply circuits comprise rectifier bridge stack, the first phase line of an AC termination alternating current of this rectifier bridge stack, and the 2nd AC end connects the second phase line of alternating current through described electromagnetic switch, negative terminal connects the first ground and connects constantan wire resistance to the second ground, the positive described LC resonant circuit of termination; The rectification circuit of described the second power supply circuits comprises: the first commutating circuit, and the first backward diode and described electromagnetic switch to described the second phase line that are connected in turn in the first diode, dropping resistor, the first electric capacity, the described rectifier bridge stack by described the first phase line consist of; And, the second commutating circuit, the second backward diode to described the first phase line that is connected in turn in the second diode, described dropping resistor, described the first electric capacity and the described rectifier bridge stack by described the second phase line consists of.
In the utility model low standby power loss electromagnetic oven circuit, described the first power supply circuits comprise rectifier bridge stack, and described electromagnetic switch also can be connected to anode or the negative terminal of this rectifier bridge stack.
Preferably, the controller of described power supply comprises described control unit and the second drive circuit, and the driving of described electromagnetic switch, radiator fan and buzzer is held multiplexing realization by an I/O of described control unit.
Preferably, described the second power supply circuits are Buck conversion circuit, comprise rectification circuit and buck circuit, described buck circuit comprises power switch pipe and first inductance of connecting successively to this second power supply circuits first low-voltage output from described rectification circuit output end, be connected in the second electric capacity between described the first low-voltage output and described the first ground, and the PWM that is connected in the power switch pipe control end, the common port of power switch pipe and the first inductance continues the stream diode to the first ground, described the first inductance is the primary coil of a high-frequency mutual inductor, and the secondary coil of this high-frequency mutual inductor connects current rectifying and wave filtering circuit so that the second low-tension supply to be provided.
Preferably, the power switch pipe of described buck circuit and PWM are integrated in same switching power source chip, the feedback end of described switching power source chip and power end connect respectively the 3rd electric capacity and the 4th electric capacity to the common port of power switch pipe and the first inductance, another termination the 3rd diode of the first inductance connects a voltage stabilizing didoe to the power end of described switching power source chip between described feedback end and the power end.
Preferably, described electromagnetic oven circuit also comprises the voltage surge sample circuit, is connected to the AC end of the first power supply circuits rectifier bridge stack, the described control unit of output termination; And/or the current surge sample circuit is connected to the negative terminal of the first power supply circuits rectifier bridge stack, the described control unit of output termination.
Preferably, described electromagnetic oven circuit also comprises power tube temperature sampling circuit and furnace surface temperature sample circuit, and they connect respectively two input end of analog signal of described control unit.
Preferably, described electromagnetic oven circuit also comprises: voltage detecting circuit, and the AC that is connected to the first power supply circuits rectifier bridge stack holds, the described control unit of output termination; With, current detection circuit, be connected to the negative terminal of the first power supply circuits rectifier bridge stack, the described control unit of output termination.
Preferably, the input side of the rectifier bridge stack of described the first power supply circuits arranges the prime filter circuit, and the outlet side of this rectifier bridge stack arranges the rear class filter circuit.
The power supply of this electromagnetic oven circuit comprises two power supply circuits, at the stand-by operation state, by controller and electromagnetic switch cut-out large current suppling circuit wherein, the power consumption that makes electromagnetic heating circuit is zero, and power to display floater and electromagnetic switch by another power supply circuits, keep electromagnetic oven at holding state, thereby realized low standby power loss.Its simple circuit, cost is low.
Description of drawings
Fig. 1 is the schematic diagram of the utility model the first embodiment low standby power loss electromagnetic oven circuit;
Fig. 2 is the schematic diagram of the utility model the second embodiment low standby power loss electromagnetic oven circuit;
Fig. 3 is the schematic diagram of the utility model the 3rd embodiment low standby power loss electromagnetic oven circuit;
Fig. 4 is the power circuit diagram of some embodiment low standby power loss electromagnetic oven circuits of the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
As shown in Figure 1, the first embodiment low standby power loss electromagnetic oven circuit comprises: control unit 1, LC resonant circuit 2 and the first drive circuit 3, synchronized sampling circuit 4 and power supply 5, synchronized sampling circuit 4 connects LC resonant circuit 2 and is connected the output of the first drive circuit 3 connection control units 1 with the input of control unit 1.Control unit 1 is exported drive pulse signal in conjunction with synchronous sampling signal in good time, carry out speed-sensitive switch by the first drive circuit 3 driving power pipes (such as IGBT) and switch the formation high-frequency alternating current, form LC resonance by solenoid and resonant capacitance, high-frequency resonant electric current on the solenoid forms the high speed changing magnetic field, act on the ferromagnetic metal pan, thereby realize the Electromagnetic Heating function.
Power consumption during for further reduction electromagnetic oven standby, the first power supply circuits comprise rectifier bridge stack 51, the first phase line 55 of the one AC termination alternating current of this rectifier bridge stack 51, the 2nd AC end connects the second phase line 56 of alternating current through electromagnetic switch 54, negative terminal connects the first ground 57 and connects constantan wire resistance 58 to second ground 59, positive termination LC resonant circuit 2; The second power supply circuits 53 are Buck conversion circuit, comprise rectification circuit and buck circuit 53e, rectification circuit comprises the first commutating circuit and the second commutating circuit, and the first commutating circuit is made of the first backward diode 51a and electromagnetic switch 54 to second phase lines 56 that the first phase line 55 connects in the first diode 53a, dropping resistor 53b, the first electric capacity 53c, the rectifier bridge stack 51 in turn; The second commutating circuit is made of the second backward diode 51b to the first phase line 55 that the second phase line 56 connects in the second diode 53d, dropping resistor 53b, the first electric capacity 53c and the rectifier bridge stack 51 in turn.
When entering holding state, control unit 1 output low level, electromagnetic switch 54 is disconnected, on the one hand described the first power supply circuits are cut off, making the electromagnetic heating circuit power consumption is zero, the first commutating circuit with the second power supply circuits 53 cuts off on the other hand, makes the second power supply circuits 53 work in the halfwave rectifier state, has further reduced stand-by power consumption.When returning heated condition, control unit 1 output high level, electromagnetic switch 54 is connected, described the first power supply circuits normal operation, and the first commutating circuit of the second power supply circuits 53 is connected, alternating current alternately flows through from the first commutating circuit and the second commutating circuit, and the second power supply circuits 3 work in the full-wave rectification state.
In the present embodiment, consist of for control unit 1 and second drive circuit 52 of the controller of controlling electromagnetic switch 54 by electromagnetic oven.Be appreciated that ground, the controller that is used for control electromagnetic switch 54 also can be without the control unit 1 of electromagnetic oven, and independently single-chip microcomputer and the second drive circuit 52 consist of by one.
As shown in Figure 2, the second embodiment low standby power loss electromagnetic oven circuit comprises: control unit 1, LC resonant circuit 2 and the first drive circuit 3, synchronized sampling circuit 4 and power supply 5 further comprise: furnace surface temperature sample circuit 6, power tube temperature sampling circuit 7, voltage surge sample circuit 8, current surge sample circuit 9, voltage detecting circuit 10, current detection circuit 11 and man-machine interface 12.Control unit 1 adopts SoC(System On Chip) chip, LC resonant circuit 2 and the first drive circuit 3, synchronized sampling circuit 4 and power supply 5 are identical with the first embodiment, no longer narration.
An input end of analog signal in furnace surface temperature sample circuit 6 and the control unit 1 is connected; detect furnace surface temperature; convert digital signal to and send CPU in the control unit 1 to, different temperature points heat insulation function, furnace surface temperature control function and defencive function when realizing culinary art.
Another input end of analog signal in power tube temperature sampling circuit 7 and the control unit 1 is connected, the temperature of sampled power pipe, temperature with the Real-Time Monitoring power tube, when the temperature of power tube surpasses design temperature, the pulse drive signal that control unit 1 adjustment flows to the first drive circuit 3 carries out the power adjustment, when the temperature of power tube surpasses the warning temperature spot, control unit 1 stops to drive circuit 3 output drive pulse signals, electromagnetic oven stopped heating.
Voltage surge sample circuit 8 is connected to the AC end of the first power supply circuits rectifier bridge stack 51, the respective input of output termination control unit 1.When the instantaneous pressure interference appearred in electrical network, voltage surge sample circuit 8 output signals changed, and when control unit 1 detects this variation, stopped to the first drive circuit 3 output drive pulse signals, and the electromagnetic oven stopped heating is realized circuit protection function.
Current surge sample circuit 9 is connected to the negative terminal of the first power supply circuits rectifier bridge stack 51, the respective input of output termination control unit 1.When instantaneous large-current appears in the loop of electromagnetic oven the first power supply circuits; the output signal of current surge sample circuit 9 changes, and when control unit 1 detects this variation, stops to the first drive circuit 3 output drive pulse signals; the electromagnetic oven stopped heating is realized circuit protection function.
Among the second embodiment, the controller of the first power supply circuits comprises control unit 1 and the second drive circuit 52, the driving of electromagnetic switch 54, buzzer and radiator fan is held multiplexing realization by an I/O of control unit 1, has saved chip I/O resource when satisfying performance.
As shown in Figure 3, the 3rd embodiment low standby power loss electromagnetic oven circuit and the second embodiment are basic identical, difference only is: among the second embodiment, electromagnetic switch 4 is arranged on an AC end of the rectifier bridge stack 51 of the first power supply circuits, like this at holding state, the first commutating circuit of the second power supply circuits 53 is also cut off by electromagnetic switch 4, makes the second power supply circuits 53 switch to halfwave rectifier by full-wave rectification, can further reduce stand-by power consumption.And in the 3rd embodiment, electromagnetic switch 4 is arranged on the negative terminal of the rectifier bridge stack 51 of the first power supply circuits, at holding state, electromagnetic switch 4 is only cut off the first power supply circuits, the electric current that makes the Electromagnetic Heating loop is zero, and can not cut off the first commutating circuit or second commutating circuit of the second power supply circuits 53, and the second power supply circuits 53 still are operated in the full-wave rectification state, but owing to cut off the large current circuit of electromagnetic oven at holding state, therefore also can reach the to a certain extent effect of standby low-power consumption.
Be appreciated that ground, the anode that electromagnetic switch 4 is arranged on the rectifier bridge stack 51 of the first power supply circuits also can be realized the effect identical with the 3rd embodiment.And, in this case, because the second power supply circuits 53 do not change when heated condition and holding state, therefore its rectification circuit can be a rectification circuit that is independent of rectifier bridge stack 51, for example can be connected between the first phase line 55 of alternating current and the second phase line 56 by another bridge heap and realize.
Fig. 4 shows the power circuit diagram among some embodiment.Among Fig. 4, diode D6 is the first diode 53a, resistance R 22 is dropping resistor 53b, capacitor C 19 is the first electric capacity 53c, diode D3 is the second diode 53d, relay K 1 is electromagnetic switch 54, the rectification circuit that they consist of the second power supply circuits with the first backward diode in the rectifier bridge stack 51 and the second backward diode, the buck circuit 53e that consists of the second power supply circuits comprises from this rectification circuit output end and (being integrated in the switching power source chip U2 to the power switch pipe that these second power supply circuits the first low-voltage output 53f connects successively, not shown) and the first inductance L 2, be connected in the second capacitor C 23 between the first low-voltage output 53f and the first ground 57, and the PWM(that is connected in the power switch pipe control end is integrated in the switching power source chip U2, not shown), the common port of power switch pipe and the first inductance L 2 continues stream diode D8 to the first ground 57, the first inductance L 2 is the primary coil of a high-frequency mutual inductor, and the secondary coil connection current rectifying and wave filtering circuit 53g of this high-frequency mutual inductor and three-terminal voltage-stabilizing chip U3 are to provide the second low-tension supply.In the present embodiment, N is the first phase line 55 of alternating current mutually, and L is the second phase line 56 of alternating current mutually, is appreciated that ground, also can on the contrary.
In certain embodiments, the power switch pipe of buck circuit 53e and PWM are integrated in same switching power source chip U2, the feedback end of described switching power source chip U2 (i.e. the 3rd pin) and power end (i.e. the 4th pin) connect respectively the 3rd capacitor C 12 and the 4th capacitor C 20 to the common port (also being the 2nd pin of chip U2) of power switch pipe and the first inductance L 2, another termination the 3rd diode D7 of the first inductance L 2 meets a voltage stabilizing didoe DW2 to the power end of described switching power source chip U2 between described feedback end and the power end.
In certain embodiments, with the primary coil of the high-frequency mutual inductor inductance as buck circuit 53e, secondary coil produces the second tunnel output as induction coil.This high-frequency mutual inductor preferably adopts magnetic core and the skeleton of EE10 specification.
For optimizing product EMC performance, reduce the interference of outer bound pair electromagnetic oven, reduce simultaneously the to external world interference of electrical network of electromagnetic oven, among some embodiment, input side at the rectifier bridge stack 51 of the first power supply circuits arranges the prime filter circuit, and at the outlet side of this rectifier bridge stack 51 the rear class filter circuit is set.
The stand-by power consumption of some embodiment electromagnetic oven circuits of the utility model is lower than 0.5W, is significantly less than the above stand-by power consumption of 0.8W of common electromagnetic oven.
The above only is preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. low standby power loss electromagnetic oven circuit, comprise LC resonant circuit (2) and the first drive circuit (3) thereof, control unit (1), power supply (5) and the synchronized sampling circuit (4) that is connected to described LC resonant circuit, described synchronized sampling circuit be connected the first drive circuit and connect respectively input and the output of described control unit (1), it is characterized in that described power supply (5) comprising:
Be used for providing galvanic the first power supply circuits to described LC resonant circuit (2), be provided with electromagnetic switch (54) in its loop;
Be used for the second power supply circuits (53) to the remaining circuit power supply; And
Be used for controlling described electromagnetic switch is cut off described the first power supply circuits at electromagnetic oven stand-by operation state controller.
2. electromagnetic oven circuit according to claim 1 is characterized in that:
Described the first power supply circuits comprise rectifier bridge stack (51), first phase line (55) of the one AC termination alternating current of this rectifier bridge stack, the 2nd AC end connects second phase line (56) of alternating current through described electromagnetic switch (54), negative terminal connects the first ground (57) and connects constantan wire resistance (58) to the second ground (59), the positive described LC resonant circuit of termination (2);
The rectification circuit of described the second power supply circuits (53) comprises
The first commutating circuit, the first backward diode (51a) and described electromagnetic switch (54) to described the second phase line (56) that are connected in turn in the first diode (53a), dropping resistor (53b), the first electric capacity (53c), the described rectifier bridge stack (51) by described the first phase line (55) consist of; And
The second commutating circuit, the second backward diode (51b) to described the first phase line (55) that is connected in turn in the second diode (53d), described dropping resistor (53b), described the first electric capacity (53c) and the described rectifier bridge stack (51) by described the second phase line (56) consists of.
3. electromagnetic oven circuit according to claim 1, it is characterized in that: described the first power supply circuits comprise rectifier bridge stack (51), described electromagnetic switch (54) is connected to anode or the negative terminal of this rectifier bridge stack (51).
4. electromagnetic oven circuit according to claim 1, it is characterized in that: the controller of described power supply (5) comprises described control unit (1) and the second drive circuit (52), and the driving of described electromagnetic switch, radiator fan and buzzer is held multiplexing realization by an I/O of described control unit (1).
5. electromagnetic oven circuit according to claim 2, it is characterized in that: described the second power supply circuits (53) are Buck conversion circuit, comprise rectification circuit and buck circuit (53e), described buck circuit comprises power switch pipe and first inductance (L2) of connecting successively to these the second power supply circuits first low-voltage outputs (53f) from described rectification circuit output end, be connected in the second electric capacity (C23) between described the first low-voltage output and described the first ground, and the PWM that is connected in the power switch pipe control end, the common port of power switch pipe and the first inductance continues stream diode (D8) to the first ground, described the first inductance is the primary coil of a high-frequency mutual inductor, and the secondary coil of this high-frequency mutual inductor connects current rectifying and wave filtering circuit so that the second low-tension supply to be provided.
6. electromagnetic oven circuit according to claim 5, it is characterized in that: the power switch pipe of described buck circuit and PWM are integrated in same switching power source chip, the feedback end of described switching power source chip and power end connect respectively the 3rd electric capacity (C12) and the 4th electric capacity (C20) to the common port of power switch pipe and the first inductance, another termination the 3rd diode (D7) of the first inductance connects a voltage stabilizing didoe (DW2) to the power end of described switching power source chip between described feedback end and the power end.
7. electromagnetic oven circuit according to claim 1 is characterized in that, described electromagnetic oven circuit also comprises:
Voltage surge sample circuit (8), the AC that is connected to the first power supply circuits rectifier bridge stack (51) holds, the output described control unit of termination (1); And/or
Current surge sample circuit (9) is connected to the negative terminal of the first power supply circuits rectifier bridge stack (51), the output described control unit of termination (1).
8. electromagnetic oven circuit according to claim 7, it is characterized in that: described electromagnetic oven circuit also comprises power tube temperature sampling circuit (7) and furnace surface temperature sample circuit (6), and they connect respectively two input end of analog signal of described control unit (1).
9. electromagnetic oven circuit according to claim 7 is characterized in that, described electromagnetic oven circuit also comprises:
Voltage detecting circuit (10), the AC that is connected to the first power supply circuits rectifier bridge stack (51) holds, the output described control unit of termination (1); With
Current detection circuit (11) is connected to the negative terminal of the first power supply circuits rectifier bridge stack (51), the output described control unit of termination (1).
10. electromagnetic oven circuit according to claim 1, it is characterized in that: the input side of the rectifier bridge stack of described the first power supply circuits (51) arranges the prime filter circuit, and the outlet side of this rectifier bridge stack (51) arranges the rear class filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220481472XU CN202840661U (en) | 2012-09-20 | 2012-09-20 | Low standby power consumption electromagnetic oven circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220481472XU CN202840661U (en) | 2012-09-20 | 2012-09-20 | Low standby power consumption electromagnetic oven circuit |
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| CN202840661U true CN202840661U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220481472XU Expired - Lifetime CN202840661U (en) | 2012-09-20 | 2012-09-20 | Low standby power consumption electromagnetic oven circuit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596307A (en) * | 2013-11-05 | 2014-02-19 | 美的集团股份有限公司 | Resonance control circuit and electromagnetic heating device |
| CN106879096A (en) * | 2017-02-22 | 2017-06-20 | 湖南机电职业技术学院 | A kind of electromagnetic oven |
| CN107015513A (en) * | 2017-06-06 | 2017-08-04 | 浙江绍兴苏泊尔生活电器有限公司 | Control circuit, household appliance and power supply method of household appliance |
| CN107645800A (en) * | 2016-07-20 | 2018-01-30 | 佛山市顺德区美的电热电器制造有限公司 | Surge detection circuit, method and electromagnetic heater for electromagnetic heater |
| CN108419318A (en) * | 2017-02-10 | 2018-08-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater, electromagnetic heating system and its control method |
| CN111404134A (en) * | 2020-03-12 | 2020-07-10 | 九阳股份有限公司 | Safety control circuit for electromagnetic cooking appliance and electromagnetic cooking appliance |
| CN115884455A (en) * | 2022-12-29 | 2023-03-31 | 广东海明晖电子科技有限公司 | Electromagnetic heating system and low standby power consumption control circuit thereof |
-
2012
- 2012-09-20 CN CN201220481472XU patent/CN202840661U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596307A (en) * | 2013-11-05 | 2014-02-19 | 美的集团股份有限公司 | Resonance control circuit and electromagnetic heating device |
| CN107645800A (en) * | 2016-07-20 | 2018-01-30 | 佛山市顺德区美的电热电器制造有限公司 | Surge detection circuit, method and electromagnetic heater for electromagnetic heater |
| CN107645800B (en) * | 2016-07-20 | 2023-09-26 | 佛山市顺德区美的电热电器制造有限公司 | Surge detection circuit and method for electromagnetic heating device and electromagnetic heating device |
| CN108419318A (en) * | 2017-02-10 | 2018-08-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater, electromagnetic heating system and its control method |
| CN108419318B (en) * | 2017-02-10 | 2020-12-22 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating device, electromagnetic heating system and control method thereof |
| CN106879096A (en) * | 2017-02-22 | 2017-06-20 | 湖南机电职业技术学院 | A kind of electromagnetic oven |
| CN106879096B (en) * | 2017-02-22 | 2023-09-26 | 湖南机电职业技术学院 | Electromagnetic oven |
| CN107015513A (en) * | 2017-06-06 | 2017-08-04 | 浙江绍兴苏泊尔生活电器有限公司 | Control circuit, household appliance and power supply method of household appliance |
| CN111404134A (en) * | 2020-03-12 | 2020-07-10 | 九阳股份有限公司 | Safety control circuit for electromagnetic cooking appliance and electromagnetic cooking appliance |
| CN115884455A (en) * | 2022-12-29 | 2023-03-31 | 广东海明晖电子科技有限公司 | Electromagnetic heating system and low standby power consumption control circuit thereof |
| 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 |
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