CN109358537A - Reduce control system, the control method, cooking apparatus of electromagnetic cooking appliance noise - Google Patents
Reduce control system, the control method, cooking apparatus of electromagnetic cooking appliance noise Download PDFInfo
- Publication number
- CN109358537A CN109358537A CN201811157827.8A CN201811157827A CN109358537A CN 109358537 A CN109358537 A CN 109358537A CN 201811157827 A CN201811157827 A CN 201811157827A CN 109358537 A CN109358537 A CN 109358537A
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- China
- Prior art keywords
- cooking appliance
- circuit
- electromagnetic cooking
- working frequency
- controller
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- 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.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2643—Oven, cooking
Abstract
The invention discloses a kind of control system, control methods, cooking apparatus for reducing electromagnetic cooking appliance noise, it is set on electromagnetic cooking appliance, including electromagnetic heating control circuit and controller, the electromagnetic heating control circuit includes resonance circuit, synchronous circuit, comparison circuit, synchronous circuit detects the working frequency of resonance circuit, generates synchronization signal；Comparison signal is transmitted to controller by comparison circuit；Controller judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, adjust heating power, and then adjust working frequency.The present invention pass through the working frequency of controller real-time detection resonance circuit and judge working frequency whether setting threshold interval, if working frequency is not in the threshold interval of setting, the heating power of controller adjusting electromagnetic cooking appliance, and then adjust working frequency, so that it is avoided human ear earshot, reduces electromagnetic noise, it is high reliablity, at low cost, user experience is more preferable, and pleasant user cooks mood.
Description
Technical field
The present invention relates to electromagnetism culinary area, be specifically related to a kind of control system for reducing electromagnetic cooking appliance noise,
Control method, cooking apparatus.
Background technique
Electromagnetic cooking appliance is to be heated using electromagnetic induction principle to cooking apparatus, due to the working frequency of electromagnetic oven
Near 20KHz, human auditory system range 20Hz~20KHz, user after a period of use, due to electromagnetic oven inner structural members send out
Raw deformation, disk spacing increase, and the working frequency of electromagnetic oven heating device can be lower than 20KHz, then can generate in heating process ear-piercing
Electromagnetic noise, so that user is felt noisy, user experience is excessively poor, in the prior art some by noise detection device detection make an uproar
Sound size reduces complete machine power or rotation speed of the fan to reduce noise when more than preset value, but electromagnetic noise decibel value is not high, inspection
It surveys device to be difficult to detect, while increasing increased costs after detection device.
Summary of the invention
It is an object of the invention to overcome prior art electromagnetic noise to be difficult to detect, at high cost, poor user experience technology
Problem provides a kind of control system, control method, cooking apparatus for reducing electromagnetic cooking appliance noise.
To achieve the above object, The technical solution adopted by the invention is as follows: a kind of control for reducing electromagnetic cooking appliance noise
System processed, is set on electromagnetic cooking appliance, including electromagnetic heating control circuit and controller, the electromagnetic heating control circuit
Including resonance circuit, synchronous circuit, comparison circuit,
Synchronous circuit is connect with resonance circuit, for detecting the working frequency of resonance circuit, generates synchronization signal；
The input terminal of comparison circuit is connect with synchronous circuit, and the output end of comparison circuit is connect with controller, will compare letter
Number it is transmitted to controller；
Controller is connect with electromagnetic heating control circuit, judges whether the working frequency for receiving electromagnetic cooking appliance is setting
Threshold interval, if working frequency, not in the threshold interval of setting, controller adjusts the heating power of electromagnetic cooking appliance, in turn
Adjust working frequency.
Further, the resonance circuit is composed in parallel by capacitor and drum.
Further, the electromagnetic heating control circuit further includes IGBT pipe, the IGBT pipe first end and resonance circuit
Connection, second end are connect with controller, and third end ground connection controls the working condition of resonance circuit.IGBT pipe and resonance circuit
Connection, controls the working condition of resonance circuit.
Further, the electromagnetic heating control circuit further includes first resistor, one end difference of the first resistor
It is connect with the IGBT pipe second end and the controller, the third end of the other end of the first resistor and the IGBT pipe connects
It connects and is grounded.
Further, the controller is single-chip microcontroller.
Further, the comparison circuit is comparator.
The synchronous circuit includes second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the second electricity
Appearance, third capacitor, the 4th capacitor, described second resistance one end is connect with resonance circuit, the other end and 3rd resistor one end connect,
3rd resistor other end ground connection, 3rd resistor are connected in parallel third capacitor, and the second electricity is connected between second resistance and 3rd resistor
One end of appearance, the other end of the second capacitor are connected to the positive input of comparator, and the other end of second resistance, which is connected to, to be compared
The input terminal anyway of device, described 4th resistance one end are connect with resonance circuit, and the other end connects the 5th resistance, the 6th resistance, the
Six resistance other ends ground connection, the 6th resistor coupled in parallel connect the 4th capacitor, and it is defeated that the other end of the 5th resistance is connected to comparator forward direction
Enter end.
A kind of electromagnetic cooking appliance, the control system including above-mentioned reduction electromagnetic cooking appliance noise, the electromagnetism
Cooking apparatus includes electromagnetic oven.
A kind of control method reducing electromagnetic cooking appliance noise, the control for above-mentioned reduction electromagnetic cooking appliance noise
System processed, which is characterized in that method is as follows:
Synchronous circuit detects the working frequency of resonance circuit, generates synchronization signal；
The input terminal of comparison circuit is connect with synchronous circuit, and the output end of comparison circuit is connect with controller, will compare letter
Number it is transmitted to controller；
Controller judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, if working frequency is not
In the threshold interval of setting, controller adjusts the heating power of electromagnetic cooking appliance, and then adjusts working frequency.
Further, given threshold section is 20Hz~20kHz.
Further, the electromagnetic heating control circuit further includes IGBT pipe, the IGBT pipe first end and the resonance
Circuit connection, second end are connect with controller, third end ground connection, by the service time or the heating duty ratio control that control IGBT pipe
System adjusts electromagnetic cooking appliance heating power.
Further, when working frequency is lower than given threshold, electromagnetic cooking appliance heating power is reduced, increases resonance circuit
Working frequency.
Further, when working frequency is higher than given threshold, increase electromagnetic cooking appliance heating power, reduce resonance circuit
Working frequency.
By the above-mentioned description of this invention it is found that compared with prior art, a kind of reduction electromagnetism culinary art provided by the invention
The control system of utensil noise, control method, cooking apparatus pass through the working frequency of controller real-time detection resonance circuit and sentence
Disconnected working frequency whether setting threshold interval, if working frequency, not in the threshold interval of setting, controller adjusts electromagnetism and cooks
It prepares food the heating power of utensil, and then adjusts working frequency, it is made to avoid human ear earshot, reduce electromagnetic noise, high reliablity,
At low cost, user experience is more preferable, and pleasant user cooks mood.
Detailed description of the invention
Fig. 1 is the control system block diagram that the present invention reduces electromagnetic cooking appliance noise；
Fig. 2 is the circuit diagram that the present invention reduces electromagnetic cooking appliance noise；
Fig. 3 is the control flow chart that the specific embodiment of the invention one reduces electromagnetic cooking appliance noise；
Fig. 4 is the control flow chart that the specific embodiment of the invention two reduces electromagnetic cooking appliance noise.
Specific embodiment
The technical solution in the present invention is clearly and completely retouched below with reference to the attached drawing in the embodiment of the present invention
It states, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
As shown in Figure 1 and Figure 2, a kind of control system reducing electromagnetic cooking appliance noise, is set to electromagnetic cooking appliance
On, including electromagnetic heating control circuit 1 and controller 2, the electromagnetic heating control circuit include resonance circuit 11, synchronous circuit
12, comparison circuit 13, IGBT pipe 14, synchronous circuit 12 are connect with resonance circuit 11, for acquiring the work frequency of resonance circuit 11
Rate generates synchronization signal；The input terminal of comparison circuit 13 is connect with synchronous circuit 12, the output end and controller of comparison circuit 13
2 connections, are transmitted to controller 2 for comparison signal；14 first end of IGBT pipe is connect with resonance circuit 11, and second end accesses IGBT and drives
Dynamic enabled, IGBT driving is enabled to be connect with controller 2, and third end ground connection, electromagnetic heating control circuit further includes first resistor R1,
One end of the first resistor R1 is drivingly connected with 14 second end of IGBT pipe and the IGBT respectively, the first resistor R1
The other end connect and be grounded with the third end of the IGBT pipe 14, pass through IGBT pipe 14 control resonance circuit 11 work shape
State vibrates resonance circuit 11 by controlling IGBT pipe high frequency on-off, carries out charge and discharge, controller 2 with certain frequency
Connect with electromagnetic heating control circuit 1, judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, if
For working frequency not in the threshold interval of setting, controller 2 adjusts the heating power of electromagnetic cooking appliance, and then adjusts work frequency
Rate；The resonance circuit 11 is composed in parallel by first capacitor C1 and drum L, drum L and the mutual charge and discharge of first capacitor C1, thus
Make the electric current for forming high frequency variation on the drum L1 in resonance circuit 11, and then generates high frequency changing magnetic field；Pass through magnetic field
Magnetic force line cutting cookware generates vortex current, and the joule heating effect of vortex current makes cookware heat up, and realizes electromagnetic heating.The ratio
It is comparator U compared with circuit 13, the controller is single-chip microprocessor MCU, comparison circuit can also be integrated in single-chip microcontroller, and electricity is reduced
The quantity of component in road, reduces the circuit complexity of electromagnetic oven, and the synchronous circuit 12 includes second resistance R2,3rd resistor
R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the second capacitor C2, third capacitor C3, the 4th capacitor C3, described second
The one end resistance R2 is connect simultaneously with the one end first capacitor C1 and the one end drum L, the other end and the one end 3rd resistor R3 connect, third
Resistance R3 other end ground connection, 3rd resistor R3 is connected in parallel third capacitor, and the is connected between second resistance R2 and 3rd resistor R3
The other end of one end of two capacitor C2, the second capacitor C2 is connected to the positive input of comparator U, the other end of second resistance R2
It is connected to the input terminal anyway of comparator U, described 4th one end resistance R4 and the first capacitor C1 other end and the drum L other end are same
When connect, the other end connect the 5th resistance R5, the 6th resistance R6, the 6th resistance R6 other end ground connection, the 6th resistance R6 parallel connection connect
The 4th capacitor C4 is met, the other end of the 5th resistance R5 is connected to comparator U positive input, and electromagnetic heating control circuit 1 is also wrapped
Rectifier bridge and choke coil are included, the alternating current of input is become by direct current by rectifier bridge, interference signal is inhibited by choke coil, it will
For DC supply input to resonance circuit 11, rectifier bridge can be used model GBJ15J, and specification is 15A 600V, choke coil by capacitor and
Inductance composition, it is 400uH, electric current 12A that inductance value, which can be used,.
The control system of the electromagnetic cooking appliance noise passes through the working frequency of controller real-time detection resonance circuit and sentences
Disconnected working frequency whether setting threshold interval, if working frequency, not in the threshold interval of setting, controller adjusts electromagnetism and cooks
It prepares food the heating power of utensil, and then adjusts working frequency, so that it is avoided human ear earshot, reduce electromagnetic noise.
A kind of electromagnetic cooking appliance, the control system including above-mentioned reduction electromagnetic cooking appliance noise, the electromagnetism
Cooking apparatus includes electromagnetic oven.
Specific embodiment one:
As shown in figure 3, a kind of control method for reducing electromagnetic cooking appliance noise, for above-mentioned reduction electromagnetism cooking pot
Have the control system of noise, comprising the following steps:
S1: synchronous circuit acquires the working frequency of resonance circuit, generates synchronization signal；
S2: the input terminal of comparison circuit is connect with synchronous circuit, and the output end of comparison circuit is connect with controller, will be compared
Signal is transmitted to controller；
S3: controller judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, if work frequency
For rate not in the threshold interval of setting, controller adjusts the heating power of electromagnetic cooking appliance, and then adjusts working frequency；
Specifically, threshold value is set as 20kHz, working frequency is lower than 20kHz according to human auditory system range 20Hz~20KHz
When, the service time for controlling IGBT pipe or heating duty increase the work of resonance circuit than reducing electromagnetic cooking appliance heating power
Working frequency makes it avoid human ear earshot, reduces electromagnetic noise, threshold value can also be set as to 30kHz, can more avoid people in this way
The earshot of ear, user can't hear electromagnetic noise completely, and user experience is good.
Specific embodiment two:
As shown in figure 4, a kind of control method for reducing electromagnetic cooking appliance noise, for above-mentioned reduction electromagnetism cooking pot
Have the control system of noise, comprising the following steps:
S1: synchronous circuit acquires the working frequency of resonance circuit, generates synchronization signal；
S2: the input terminal of comparison circuit is connect with synchronous circuit, and the output end of comparison circuit is connect with controller, will be compared
Signal is transmitted to controller；
S3: controller judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, if work frequency
For rate not in the threshold interval of setting, controller adjusts the heating power of electromagnetic cooking appliance, and then adjusts working frequency；
It is with one different location of specific embodiment, the present embodiment sets threshold value according to human auditory system range 20Hz~20KHz
For 20Hz, when working frequency is higher than 20Hz, the service time or heating duty for controlling IGBT pipe add than increasing electromagnetic cooking appliance
Thermal power reduces the working frequency of resonance circuit, it is made to avoid human ear earshot, reduces electromagnetic noise, and user experience is good.
By the above-mentioned description of this invention it is found that compared with prior art, a kind of reduction electromagnetism culinary art provided by the invention
The control system of utensil noise, control method, cooking apparatus pass through the working frequency of controller real-time detection resonance circuit and sentence
Disconnected working frequency whether setting threshold interval, if working frequency, not in the threshold interval of setting, controller adjusts electromagnetism and cooks
It prepares food the heating power of utensil, and then adjusts working frequency, it is made to avoid human ear earshot, reduce electromagnetic noise, high reliablity,
At low cost, user experience is more preferable, and pleasant user cooks mood.
It above are only several specific embodiments of the invention, but the design concept of the present invention is not limited to this, all benefits
It is made a non-material change to the present invention, should all be belonged to behavior that violates the scope of protection of the present invention with this design.
Claims (13)
1. a kind of control system for reducing electromagnetic cooking appliance noise, is set on electromagnetic cooking appliance, it is characterised in that: including
Electromagnetic heating control circuit and controller, the electromagnetic heating control circuit include resonance circuit, synchronous circuit, comparison circuit,
The synchronous circuit is connect with the resonance circuit, for acquiring the working frequency of the resonance circuit, generates synchronous letter
Number；
The input terminal of the comparison circuit is connect with the synchronous circuit, and the output end of the comparison circuit and the controller connect
It connects, comparison signal is transmitted to the controller；
The controller is connect with the electromagnetic heating control circuit, judge receive electromagnetic cooking appliance working frequency whether
The threshold interval of setting, if working frequency is not in the threshold interval of setting, the controller adjusts the heating of electromagnetic cooking appliance
Power, and then working frequency is adjusted with noise reduction.
2. the control system according to claim 1 for reducing electromagnetic cooking appliance noise, it is characterised in that: the resonance electricity
Routing capacitance and drum compose in parallel.
3. the control system according to claim 1 or 2 for reducing electromagnetic cooking appliance noise, it is characterised in that: described
Electromagnetic heating control circuit further includes IGBT pipe, which connect with the resonance circuit, second end and the control
Device connection processed, third end ground connection control the working condition of the resonance circuit.
4. the control system according to claim 3 for reducing electromagnetic cooking appliance noise, it is characterised in that: the electromagnetism
Heating control circuit further includes first resistor, one end of the first resistor respectively with the IGBT pipe second end and the control
Device connection, the other end of the first resistor connect and are grounded with the third end of the IGBT pipe.
5. the control system according to claim 1 for reducing electromagnetic cooking appliance noise, it is characterised in that: the controller
For single-chip microcontroller or MCU.
6. the control system according to claim 1 for reducing electromagnetic cooking appliance noise, it is characterised in that: the comparison is electric
Road includes comparator.
7. the control system according to claim 1 or 2 for reducing electromagnetic cooking appliance noise, it is characterised in that: described same
Step circuit includes second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the second capacitor, third capacitor, the 4th
Capacitor, described second resistance one end is connect with resonance circuit, the other end and 3rd resistor one end connect, another termination of 3rd resistor
Ground, 3rd resistor are connected in parallel third capacitor, and one end of the second capacitor, the second capacitor are connected between second resistance and 3rd resistor
The other end be connected to the positive input of comparator, the other end of second resistance is connected to the input terminal anyway of comparator, institute
The 4th resistance one end to be stated to connect with resonance circuit, the other end connects the 5th resistance, the 6th resistance, and the 6th resistance other end is grounded,
6th resistor coupled in parallel connects the 4th capacitor, and the other end of the 5th resistance is connected to comparator positive input.
8. a kind of electromagnetic cooking appliance, it is characterised in that: including reduction electromagnetism cooking pot described in claim 1-7 any one
Has the control system of noise, the electromagnetic cooking appliance includes electromagnetic oven.
9. a kind of control method for reducing electromagnetic cooking appliance noise, for controlling drop described in claim 1-7 any one
The control system of low electromagnetic cooking appliance noise, which is characterized in that method is as follows:
Synchronous circuit detects the working frequency of resonance circuit, generates synchronization signal；
The input terminal of comparison circuit is connect with synchronous circuit, and the output end of comparison circuit is connect with controller, and comparison signal is passed
Transport to controller；
Controller judge receive electromagnetic cooking appliance working frequency whether setting threshold interval, if working frequency is not being set
Fixed threshold interval, controller adjusts the heating power of electromagnetic cooking appliance, and then adjusts working frequency.
10. the control method according to claim 9 for reducing electromagnetic cooking appliance noise, it is characterised in that: given threshold
Section is 20Hz~20kHz.
11. the control method according to claim 9 for reducing electromagnetic cooking appliance noise, it is characterised in that: the electricity
Magnetic heating control circuit further includes IGBT pipe, which connect with the resonance circuit, and second end and controller connect
It connects, third end ground connection, electromagnetic cooking appliance is controlled to adjust by the service time or heating duty ratio that control IGBT pipe and heats function
Rate.
12. reducing the control method of electromagnetic cooking appliance noise according to claim 9 or 11, it is characterised in that: work
When frequency is lower than given threshold, electromagnetic cooking appliance heating power is reduced, the working frequency of resonance circuit is increased.
13. reducing the control method of electromagnetic cooking appliance noise according to claim 9 or 11, it is characterised in that: work
When frequency is higher than given threshold, increases electromagnetic cooking appliance heating power, reduce the working frequency of resonance circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157827.8A CN109358537A (en) | 2018-09-30 | 2018-09-30 | Reduce control system, the control method, cooking apparatus of electromagnetic cooking appliance noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157827.8A CN109358537A (en) | 2018-09-30 | 2018-09-30 | Reduce control system, the control method, cooking apparatus of electromagnetic cooking appliance noise |
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| Publication Number | Publication Date |
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| CN109358537A true CN109358537A (en) | 2019-02-19 |
Family
ID=65348388
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811157827.8A Pending CN109358537A (en) | 2018-09-30 | 2018-09-30 | Reduce control system, the control method, cooking apparatus of electromagnetic cooking appliance noise |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111432512A (en) * | 2020-04-16 | 2020-07-17 | 深圳市鑫汇科股份有限公司 | Electromagnetic heating equipment and heating control device and method thereof |
| CN113382491A (en) * | 2020-03-10 | 2021-09-10 | 松下家电(中国)有限公司 | Control method of electromagnetic heating equipment |
| CN114698166A (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 | Electromagnetic heating apparatus, noise suppression method, heating control system, and storage medium |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001333856A (en) * | 2000-05-29 | 2001-12-04 | Matsushita Electric Ind Co Ltd | Rice cooker with induction heating system |
| JP2003017234A (en) * | 2001-07-03 | 2003-01-17 | Matsushita Electric Ind Co Ltd | Induction heating cooker |
| JP2008257971A (en) * | 2007-04-04 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Induction-heating cooker |
| US20100237065A1 (en) * | 2009-03-18 | 2010-09-23 | Delta Electronics, Inc. | Heating device |
| CN205682971U (en) * | 2016-04-08 | 2016-11-16 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooking ware, electromagnetic heating apparatus and magnetic conductive board |
| CN106160534A (en) * | 2015-04-07 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, the electromagnetic heater of cooking apparatus and method for heating and controlling thereof |
| CN206176478U (en) * | 2016-11-14 | 2017-05-17 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| CN107027201A (en) * | 2016-02-02 | 2017-08-08 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its method for noise reduction control |
| CN108076544A (en) * | 2016-11-15 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Resonant frequency control method, resonant frequency control device and electromagnetic heating system |
| CN108338661A (en) * | 2017-01-25 | 2018-07-31 | 深圳市鑫汇科股份有限公司 | A kind of intelligence stews device |
-
2018
- 2018-09-30 CN CN201811157827.8A patent/CN109358537A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001333856A (en) * | 2000-05-29 | 2001-12-04 | Matsushita Electric Ind Co Ltd | Rice cooker with induction heating system |
| JP2003017234A (en) * | 2001-07-03 | 2003-01-17 | Matsushita Electric Ind Co Ltd | Induction heating cooker |
| JP2008257971A (en) * | 2007-04-04 | 2008-10-23 | Matsushita Electric Ind Co Ltd | Induction-heating cooker |
| US20100237065A1 (en) * | 2009-03-18 | 2010-09-23 | Delta Electronics, Inc. | Heating device |
| CN106160534A (en) * | 2015-04-07 | 2016-11-23 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, the electromagnetic heater of cooking apparatus and method for heating and controlling thereof |
| CN107027201A (en) * | 2016-02-02 | 2017-08-08 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and its method for noise reduction control |
| CN205682971U (en) * | 2016-04-08 | 2016-11-16 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooking ware, electromagnetic heating apparatus and magnetic conductive board |
| CN206176478U (en) * | 2016-11-14 | 2017-05-17 | 浙江绍兴苏泊尔生活电器有限公司 | Electromagnetic oven |
| CN108076544A (en) * | 2016-11-15 | 2018-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Resonant frequency control method, resonant frequency control device and electromagnetic heating system |
| CN108338661A (en) * | 2017-01-25 | 2018-07-31 | 深圳市鑫汇科股份有限公司 | A kind of intelligence stews device |
Non-Patent Citations (1)
| Title |
|---|
| 孙运生: "《看图速学速修电磁炉》", 31 August 2010 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113382491A (en) * | 2020-03-10 | 2021-09-10 | 松下家电(中国)有限公司 | Control method of electromagnetic heating equipment |
| CN113382491B (en) * | 2020-03-10 | 2023-08-15 | 松下家电(中国)有限公司 | Control method of electromagnetic heating equipment |
| CN111432512A (en) * | 2020-04-16 | 2020-07-17 | 深圳市鑫汇科股份有限公司 | Electromagnetic heating equipment and heating control device and method thereof |
| CN111432512B (en) * | 2020-04-16 | 2022-03-18 | 深圳市鑫汇科股份有限公司 | Electromagnetic heating equipment and heating control device and method thereof |
| CN114698166A (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 | Electromagnetic heating apparatus, noise suppression method, heating control system, and storage medium |
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