CN106162970A - Electromagnetic heater and the electromagnetic oven with it - Google Patents
Electromagnetic heater and the electromagnetic oven with it Download PDFInfo
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- CN106162970A CN106162970A CN201510164854.8A CN201510164854A CN106162970A CN 106162970 A CN106162970 A CN 106162970A CN 201510164854 A CN201510164854 A CN 201510164854A CN 106162970 A CN106162970 A CN 106162970A
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- 239000003990 capacitor Substances 0.000 claims description 14
- 230000005669 field effect Effects 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 15
- 238000004093 laser heating Methods 0.000 abstract description 12
- 238000010411 cooking Methods 0.000 abstract description 7
- 230000009246 food effect Effects 0.000 abstract description 6
- 235000021471 food effect Nutrition 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Control Of High-Frequency Heating Circuits (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention discloses a kind of electromagnetic heater and electromagnetic oven, wherein this device includes: power module；Resonance modules, resonance modules has resonant inductance and the harmonic oscillator module of resonant capacitance composition, and wherein the first end of resonant inductance is connected with power module, and the first end of resonant capacitance is connected with the second end of resonant inductance；Electric capacity adjusting module is used for adjusting the capacitance of the resonant capacitance in resonance modules, including: switch, the first end of switch is connected with the first end of resonant inductance, and the second end of switch is connected with the second end of resonant capacitance；Adjusting electric capacity, the first end adjusting electric capacity is connected with the second end of switch, adjusts the second end ground connection of electric capacity；Controller, controller controls Guan Bi or the disconnection of switch；And switch module, switch module is connected with the second end of resonant inductance in resonance modules.The arrangement achieves heating power laser heating in the range of certain frequency (such as 200 watts to 2000 watts), improve cooking food effect, improve Consumer's Experience.
Description
Technical field
The present invention relates to electromagnetic heating technique field, particularly relate to a kind of electromagnetic heater and there is this electromagnetic heater
Electromagnetic oven.
Background technology
Along with the fast development in Electromagnetic Heating field, electromagnetic oven has become as the main flow kitchen tools in people kitchen.At present, electromagnetism
Stove mainly by way of electromagnetic induction cooking food, owing to output is very big, typically can reach 2000 watts, in order to reduce
The loss of electromagnetic oven breaker in middle pipe, is necessary for being operated in switching tube Sofe Switch state, and existing scheme the most all uses LC resonance
(wherein, L is inductance, and C is electric capacity) heat protocol.But, because resonance circuit has selecting frequency characteristic, only work as switch
When the operating frequency of pipe is consistent with LC resonant frequency, its output is maximum, and duty is optimal；Work frequency when switching tube
During rate more deviation LC resonant frequency, resonance circuit output is the least, and duty is the poorest.
Such as, existing single tube LC resonant electromagnetic heat protocol, due to inductance value L and the resonance of coil panel (i.e. resonant inducing)
The capacity C of electric capacity is all one group of fixed value set, and switching tube is operated in certain power (such as 2000 watts) frequency range
Time (about 20KHz) reach optimum state, and the switching frequency of switching tube is the highest, and power is the lowest, and duty is the poorest, tool
Body shows as switching tube and is gradually backed out Sofe Switch state, enters hard switching state, and the temperature rise of switching tube is the highest, thus single at present
The heating of pipe LC resonant electromagnetic can only such as 1000 watts～the work of 2000 watts of scope laser heatings, less than such as 1000 watt-hours with
Mode of heating of having a rest realizes low-power heating, such as realizes 500 watts of heating, then heats 5 seconds with 1000 watts, then stop heating 5
Second heated for the cycle, but this intermittent heating culinary art weak effect, it is impossible to meet user's request.
Summary of the invention
The purpose of the present invention is intended to solve one of above-mentioned technical problem the most to a certain extent.
To this end, the first of the present invention purpose is to propose a kind of electromagnetic heater.This device can realize output and exist
Laser heating in the range of certain frequency (such as 200 watts to 2000 watts), significantly improves cooking food effect, improves user
Satisfaction..
Second object of the present invention is to propose a kind of electromagnetic oven.
To achieve these goals, the electromagnetic heater of first aspect present invention embodiment, including: power module；With institute
Stating the resonance modules that power module is connected, wherein, described resonance modules has resonant inductance and the harmonic oscillator of resonant capacitance composition
Module, wherein, the first end of described resonant inductance is connected with described power module, and the first end of described resonant capacitance is with described
Second end of resonant inductance is connected；Electric capacity adjusting module, for adjusting the capacitance of the resonant capacitance in described resonance modules,
Described electric capacity adjusting module includes: switch, the first end of described switch is connected with the first end of described resonant inductance, described in open
The second end closed is connected with the second end of described resonant capacitance；Adjust electric capacity, the first end of described adjustment electric capacity and described switch
The second end be connected, the second end ground connection of described adjustment electric capacity；Controller, described controller control described switch Guan Bi or
Disconnect；And switch module, described switch module is connected with the second end of resonant inductance in described resonance modules.
Electromagnetic heater according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve output is one
Determine laser heating in the range of frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low-power laser heating
Purpose, significantly improve cooking food effect, improve user satisfaction.
Wherein, in an embodiment of the present invention, when the heating power of described electromagnetic heater is more than setting power value, institute
State controller to be closed by described switch, and when the heating power of described electromagnetic heater is less than described setting power value, will
Described switch off.
In an embodiment of the present invention, described switch is relay.
In an embodiment of the present invention, described switch is Metal-Oxide Semiconductor field effect transistor M OSFET or insulated gate
Bipolar transistor IGBT.
According to one embodiment of present invention, described power module includes: commutator, and described commutator is connected with power supply；Electricity
Sense, the first end of described inductance is connected with the outfan of described commutator, the second end of described inductance and described resonant inductance
First end is connected；Filter capacitor, the first end of described filter capacitor is connected with the second end of described inductance, described filter capacitor
The second end ground connection.
To achieve these goals, the electromagnetic oven of second aspect present invention embodiment, including: first aspect present invention embodiment
Electromagnetic heater.
Electromagnetic oven according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve defeated in electromagnetic heater
Go out power laser heating in the range of certain frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low merit
The purpose of rate laser heating, significantly improves cooking food effect, improves user satisfaction.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from from the following description of the accompanying drawings of embodiments
With easy to understand, wherein,
Fig. 1 is the structural representation of electromagnetic heater according to an embodiment of the invention；And
Fig. 2 is the circuit diagram of electromagnetic heater according to an embodiment of the invention.
Reference:
10: power module；20: resonance modules；21: harmonic oscillator module；30: electric capacity adjusting module；31:
Controller；40: switch module；D: commutator；The outfan of d1: commutator；L2: inductance；L1: electricity
First end of sense；Second end of l2: inductance；C0: filter capacitor；First end of E1: filter capacitor；E2:
Second end of filter capacitor；L1: resonant inductance；First end of P1: resonant inductance；The second of P2: resonant inductance
End；K: switch；First end of k1: switch；Second end of k2: switch；C1: resonant capacitance；A1: humorous
Shake the first end of electric capacity；Second end of A2: resonant capacitance；C2: adjust electric capacity；B1: adjust the first end of electric capacity；
B2: adjust the second end of electric capacity；Q1: switching tube；The emitter stage of E: switching tube.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings describe the electromagnetic heater of the embodiment of the present invention and there is its electromagnetic oven.
Fig. 1 is the structural representation of electromagnetic heater according to an embodiment of the invention.Fig. 2 is according to the present invention one
The circuit diagram of the electromagnetic heater of embodiment.As depicted in figs. 1 and 2, this electromagnetic heater may include that electricity
Source module 10, resonance modules 20 (not shown in Fig. 2), electric capacity adjusting module 30 and switch module 40.Specifically, electricity
Hold adjusting module 30 and can be used for adjusting the capacitance of the resonant capacitance in resonance modules 20.It should be noted that in the present invention
An embodiment in, electric capacity adjusting module 30 can be one or more.It is to say, electromagnetic heater can have one
Individual or multiple electric capacity adjusting modules 30, to adjust the resonant capacitance capacity in resonance modules 20.
Wherein, in an embodiment of the present invention, as depicted in figs. 1 and 2, resonance modules 20 is connected with power module 10,
This resonance modules 20 has the harmonic oscillator module 21 that resonant inductance L1 and resonant capacitance C1 is constituted.Wherein, as in figure 2 it is shown,
The first end P1 of resonant inductance L1 is connected with power module 10, the first end A1's and resonant inductance L1 of resonant capacitance C1
Second end P2 is connected.It addition, as in figure 2 it is shown, switch module 40 and second end of resonant inductance L1 in resonance modules 20
P2 is connected.
Additionally, in an embodiment of the present invention, as in figure 2 it is shown, electric capacity adjusting module 30 comprises the steps that switch K, adjusts electricity
Holding C2 and controller 31 (not shown in Fig. 2), the first end P1 of the first end k1 and the resonant inductance L1 of switch K is connected,
The second end A2 of the second end k2 and the resonant capacitance C1 of switch K is connected, and adjusts the first end B1 of electric capacity C2 with switch K's
Second end k2 be connected, adjust electric capacity C2 the second end B2 ground connection, and adjust electric capacity C2 the second end B2 also with switch module
The emitter E of 40 breaker in middle pipe Q1 is connected.
Specifically, the Guan Bi of controller 31 controllable switch K or disconnection.Wherein, in an embodiment of the present invention, electromagnetism is worked as
When the heating power of heater is more than setting power value, switch K can be closed by controller 31, and at electromagnetic heater
When heating power is less than setting power value, switch K is disconnected.Wherein, in one embodiment of the invention, switch K can
For relay.In another embodiment of the present invention, switch K can be MOSFET (Metal-Oxide-Semiconductor
Field-Effect Transistor, Metal-Oxide Semiconductor field-effect transistor) or IGBT (Insulated Gate
Bipolar Transistor, igbt).
Further, in one embodiment of the invention, as in figure 2 it is shown, power module 10 can include commutator D, electricity
Sense L2 and filter capacitor C0, commutator D is connected with power supply, the outfan d1 of the first end l1 and commutator D of inductance L2
Be connected, the first end P1 of the second end l2 and the resonant inductance L1 of inductance L2 is connected, the first end E1 of filter capacitor C0 and
The second end l2 of inductance L2 is connected, the second end E2 ground connection of filter capacitor C0.
So that those skilled in the art can clearly understand advantages of the present invention, below in conjunction with Fig. 2 to this
The operation principle of invention electromagnetic heater is described further.
As in figure 2 it is shown, when above-mentioned electromagnetic heater, to be operated in the heating power of high-power state, i.e. electromagnetic heater big
When setting power value (such as 1000 watts), controller 31 controllable switch K closes, resonant inductance L1 and resonant capacitance
C1 forms antiresonant circuit, adjusts electric capacity C2 and filter capacitor C0 and forms filter capacitor, the now equivalent electric of resonant tank
The capacity that capacity is resonant capacitance C1 held, then resonant frequency f0For:
Wherein, L is the inductance value in resonant tank, C1For the equivalent capacity capacity in resonant tank.
Under preferred condition, when resonant frequency f0Value be 20KHz, the PWM (Pulse of the switching tube Q1 in switch module 40
Width Modulation, pulse width modulation) signal is when being 20KHz, electromagnetic heater is in optimum state, now
The colelctor electrode of switching tube Q1 just turns under voltage zero-cross, and for Sofe Switch state, the switching loss of switching tube Q1 is minimum.
When gradually decreasing the high level pulsewidth of PWM, the ON time of switching tube Q1 reduces, after on the one hand causing synchronized circuit,
The cycle time of PWM reduces, and the frequency of PWM raises, and is gradually distance from optimum resonant frequency f0；On the other hand resonant inductance is caused
L1 stores energy to be reduced, and output gradually decreases, and does not has enough energy to make resonant capacitance C1's during switching tube Q1 conducting
Voltage is down to 0V, switching tube Q1 and is progressed into hard switching state, causes the switching loss of switching tube Q1 to increase.
When above-mentioned electromagnetic heater is operated in the heating power of small-power state, i.e. electromagnetic heater less than setting power value
Time (such as 1000 watts), controller 31 controllable switch K disconnects, resonant inductance L1, resonant capacitance C1 and adjustment electric capacity
C2 forms series resonant circuit, adjusts electric capacity C2 and participates in resonant operational, and now the equivalent capacity capacity of resonant tank is resonance
Capacity series connection sum, then resonant frequency f of electric capacity C1 and adjustment electric capacity C21For:
Wherein, L is the inductance value in resonant tank, C1For the capacity of resonant capacitance C1, C2For adjusting the capacity of electric capacity C2.
Due to resonant capacitance C1 and adjustment electric capacity C2 series connection, so causing the total capacitance in resonant tank to reduce, electromagnetism adds
Resonant frequency f of thermal1Increase, under preferred condition, resonant frequency f1Value be 35KHz, due to reduce PWM high level
Pulsewidth can reduce output, can reduce the cycle of PWM simultaneously, improves the frequency of PWM, it is assumed that output is 900 watts
Time, the driving frequency of switching tube Q1 is 35KHz, after disconnecting due to switch K, and resonant frequency f of electromagnetic heater1Rise to
35KHz, consistent with the driving frequency of switching tube Q1, so now electromagnetic heater works in again optimum state, switching tube
The colelctor electrode of Q1 just turns under voltage zero-cross, and for Sofe Switch state, the switching loss of switching tube Q1 is minimum, thus real
Existing low-power laser heating.
Electromagnetic heater according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve output is one
Determine laser heating in the range of frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low-power laser heating
Purpose, significantly improve cooking food effect, improve user satisfaction.
In order to realize above-described embodiment, the invention allows for a kind of electromagnetic oven, this electromagnetic oven includes any of the above-described embodiment
Electromagnetic heater.
Electromagnetic oven according to embodiments of the present invention, by increasing electric capacity adjusting module, it is possible to achieve defeated in electromagnetic heater
Go out power laser heating in the range of certain frequency (such as 200 watts to 2000 watts), compared with prior art, it is achieved that low merit
The purpose of rate laser heating, significantly improves cooking food effect, improves user satisfaction.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ",
Or specific features, structure, material or the feature that the description of " some examples " etc. means to combine this embodiment or example describes
It is contained at least one embodiment or the example of the present invention.In this manual, need not to the schematic representation of above-mentioned term
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by technical staff
Close and combination.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.In above-mentioned reality
Execute in mode, software that multiple steps or method in memory and can be performed by suitable instruction execution system with storage or
Firmware realizes.Such as, if realized with hardware, with the most the same, available well known in the art under
Any one or their combination in row technology realize: have the logic gates for data signal realizes logic function
Discrete logic, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), existing
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium,
This program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Individual unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module was both
Can realize to use the form of hardware, it would however also be possible to employ the form of software function module realizes.If described integrated module with
The form of software function module realizes and as independent production marketing or when using, it is also possible to be stored in a computer-readable
Take in storage medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although above it has been shown and described that
Embodiments of the invention, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as limitation of the present invention,
Above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (6)
1. an electromagnetic heater, it is characterised in that including:
Power module；
The resonance modules being connected with described power module, wherein, described resonance modules has resonant inductance and resonant capacitance is constituted
Harmonic oscillator module, wherein, the first end of described resonant inductance is connected with described power module, the first of described resonant capacitance
End is connected with the second end of described resonant inductance；
Electric capacity adjusting module, for adjusting the capacitance of the resonant capacitance in described resonance modules, described electric capacity adjusting module bag
Include:
Switch, the first end of described switch is connected with the first end of described resonant inductance, the second end of described switch and institute
The second end stating resonant capacitance is connected；
Adjusting electric capacity, the first end of described adjustment electric capacity is connected with the second end of described switch, the of described adjustment electric capacity
Two end ground connection；
Controller, described controller controls Guan Bi or the disconnection of described switch；And
Switch module, described switch module is connected with the second end of resonant inductance in described resonance modules.
2. electromagnetic heater as claimed in claim 1, it is characterised in that wherein, when adding of described electromagnetic heater
When thermal power is more than setting power value, described controller is by described switch Guan Bi, and adds hot merit at described electromagnetic heater
When rate is less than described setting power value, switch off described.
3. electromagnetic heater as claimed in claim 2, it is characterised in that described switch is relay.
4. electromagnetic heater as claimed in claim 2, it is characterised in that described switch is Metal-Oxide Semiconductor
Field effect transistor M OSFET or insulated gate bipolar transistor IGBT.
5. electromagnetic heater as claimed in claim 1 or 2, it is characterised in that described power module includes:
Commutator, described commutator is connected with power supply；
Inductance, the first end of described inductance is connected with the outfan of described commutator, the second end of described inductance and described resonance
First end of inductance is connected；
Filter capacitor, the first end of described filter capacitor is connected with the second end of described inductance, the second end of described filter capacitor
Ground connection.
6. an electromagnetic oven, it is characterised in that include the electromagnetic heater as described in any one of claim 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164854.8A CN106162970B (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heating device and electromagnetic oven with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164854.8A CN106162970B (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heating device and electromagnetic oven with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106162970A true CN106162970A (en) | 2016-11-23 |
| CN106162970B CN106162970B (en) | 2022-09-06 |
Family
ID=57336636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164854.8A Active CN106162970B (en) | 2015-04-07 | 2015-04-07 | Electromagnetic heating device and electromagnetic oven with same |
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| Country | Link |
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| CN (1) | CN106162970B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172733A (en) * | 2017-07-03 | 2017-09-15 | 安吉信多达智能科技有限公司 | A kind of electromagnetic heating system and its method of work |
| CN110801144A (en) * | 2018-08-06 | 2020-02-18 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
| CN110811312A (en) * | 2018-08-07 | 2020-02-21 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control device and control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204145789U (en) * | 2014-09-25 | 2015-02-04 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic Heating control device and electromagnetic heating apparatus |
| CN204539512U (en) * | 2015-04-07 | 2015-08-05 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and the electromagnetic oven with it |
-
2015
- 2015-04-07 CN CN201510164854.8A patent/CN106162970B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204145789U (en) * | 2014-09-25 | 2015-02-04 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic Heating control device and electromagnetic heating apparatus |
| CN204539512U (en) * | 2015-04-07 | 2015-08-05 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heater and the electromagnetic oven with it |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172733A (en) * | 2017-07-03 | 2017-09-15 | 安吉信多达智能科技有限公司 | A kind of electromagnetic heating system and its method of work |
| CN107172733B (en) * | 2017-07-03 | 2020-07-28 | 安吉信多达智能科技有限公司 | Electromagnetic heating system and working method thereof |
| CN110801144A (en) * | 2018-08-06 | 2020-02-18 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
| CN110801144B (en) * | 2018-08-06 | 2021-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Control method and system of cooking device and cooking device |
| CN110811312A (en) * | 2018-08-07 | 2020-02-21 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance and control device and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN106162970B (en) | 2022-09-06 |
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