CN109549462A - A kind of auto dish frying pot constant-power control method, device and auto dish frying pot - Google Patents
A kind of auto dish frying pot constant-power control method, device and auto dish frying pot Download PDFInfo
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- CN109549462A CN109549462A CN201811510047.7A CN201811510047A CN109549462A CN 109549462 A CN109549462 A CN 109549462A CN 201811510047 A CN201811510047 A CN 201811510047A CN 109549462 A CN109549462 A CN 109549462A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
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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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- Food Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
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- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Induction Heating Cooking Devices (AREA)
- Cookers (AREA)
Abstract
The present invention relates to a kind of auto dish frying pot constant-power control method, device and auto dish frying pot, a kind of auto dish frying pot constant-power control method of the invention the following steps are included: the default magnetic field strength of S1, the preset input power for prestoring cookware actuating coil and predetermined position preset relation；S2, the target input power for obtaining cookware actuating coil, to obtain the corresponding magnetic field of the goal intensity of target input power according to preset relation；S3, the real-time input power for obtaining actuating coil and the corresponding real-time magnetic field intensity of real-time input power adjust the real-time input power of cookware actuating coil when real-time magnetic field intensity is unsatisfactory for magnetic field of the goal intensity.The real-time present invention can guarantee that the received power invariability of cookware is predetermined power, guarantee cooking effect.
Description
Technical field
The present invention relates to auto dish frying pot technical fields, more specifically to a kind of auto dish frying pot power limitation control
Method, apparatus and auto dish frying pot.
Background technique
Traditional electromagnetic heating, generally using the input power of actuating coil as the actual reception power of cookware, this
When, in order to guarantee that the practical reception power of cookware is preset power, the position of cookware is usually carried out one and is preset,
But in actual conditions, auto dish frying pot inevitably will appear various situation, such as cookware position hair due to long-term use
Raw offset, and do not find when in use, it is not preset power that such cookware, which receives power just, if that continuing
It is operated according to the program set before, it is possible that cooking is not yet done etc..Or shadow is entered inside auto dish frying pot
The foreign matter of work is rung, and makes cookware actually received power converts, the effect of same influence cooking.
Summary of the invention
The technical problem to be solved in the present invention is that providing one kind certainly for the above-mentioned portion of techniques defect of the prior art
Dynamic frying pan constant-power control method, device and auto dish frying pot.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of auto dish frying pot power limitation control side
Method, comprising the following steps:
The default pass of the default magnetic field strength of S1, the preset input power for prestoring cookware actuating coil and predetermined position
System；
S2, the target input power for obtaining the cookware actuating coil, to obtain the target according to the preset relation
The corresponding magnetic field of the goal intensity of input power；
S3, the real-time input power for obtaining the actuating coil and the corresponding real-time magnetic field of the real-time input power
Intensity adjusts the real-time defeated of the cookware actuating coil when the real-time magnetic field intensity is unsatisfactory for the magnetic field of the goal intensity
Enter power.
Preferably, in the step S1, described to prestore the pre- of the default magnetic field strength and the preset input power
If relationship includes:
S11, the preset input power is obtained, and measure in the predetermined position and preset input power
The corresponding default magnetic field strength；
S12, the cookware is obtained at a distance from the predeterminated position, the equivalent resistance of the cookware actuating coil, with
And the predetermined position receives the angular factors in magnetic field；
S13, according to the cookware at a distance from the predeterminated position, the equivalent resistance, the angular factors and institute
It states preset input power and the default magnetic field strength calculates the preset relation.
Preferably, the preset relation calculation formula:
Wherein, Pin is the input power of the cookware actuating coil, and Hout is that the magnetic field of predeterminated position detection is strong
Degree.Spot is the cookware at a distance from the predeterminated position, and Rpot is the equivalent resistance of the cookware actuating coil, COS
Φ is the angular factors that the predetermined position receives magnetic field.
It is preferably, in the step S3, described when the real-time magnetic field intensity is unsatisfactory for the magnetic field of the goal intensity,
The real-time input power for adjusting the actuating coil includes:
Compare the real-time magnetic field intensity and the magnetic field of the goal intensity, degree is greater than the target before the real-time magnetic field
When magnetic field strength, the real-time input power of the cookware actuating coil is reduced；Degree is less than the target before the real-time magnetic field
When magnetic field strength, increase the real-time input power of the cookware actuating coil.
The present invention also constructs a kind of auto dish frying pot constant power control device, including control unit, and with the control
Magnetic field detection unit, power detecting unit and the power adjustment unit of unit connection；
Described control unit includes the default pass of the default magnetic field strength and preset input power for storing predeterminated position
The storage unit of system；
The magnetic field detection unit is arranged close to cookware actuating coil, for detecting cookware active line described in predetermined position
The magnetic field strength of circle；
The power detecting unit connects the cookware actuating coil, inputs in real time for detecting the cookware actuating coil
Power；
The power adjustment unit connects the cookware actuating coil, for adjusting the input work of the cookware actuating coil
Rate.
Preferably, the magnetic field detection unit includes detection coil L2, with the detection coil L2 successively cascade connection
Filter unit, amplifier unit and rectification unit, the rectification unit are connect with described control unit.
Preferably, the filter unit includes capacitor CS；And/or
The operational amplifier circuit includes operational amplifier U1A, and the reverse input end of the operational amplifier U1A passes through resistance RS
Ground connection, the positive input of the operational amplifier U1A is connect through resistance RF with the operational amplifier U1A output end, and institute
The positive input for stating operational amplifier U1A is grounded through resistance R1, and the output end of the operational amplifier U1A is by being connected in parallel
Capacitor CD and resistance RD ground connection；And/or
The rectification circuit includes diode D1, and the anode of the diode D1 connects the output end of the operational amplifier circuit,
The cathode of the diode D1 connects described control unit.
Preferably, the power adjustment unit includes switch unit and the driving unit that connect with the switch unit.
Preferably, the switch unit includes IGBT pipe IGBT1, and the collector of the IGBT pipe IGBT1 connects active line
One end of circle, the emitter ground connection of the IGBT pipe IGBT1, the base stage of the IGBT pipe IGBT1 are connect with the driving unit.
The present invention also constructs a kind of auto dish frying pot, including auto dish frying pot power limitation control described in any of the above one
Device.
Implement a kind of auto dish frying pot constant-power control method, device and auto dish frying pot of the invention, has with following
Beneficial effect: it can guarantee that the received power invariability of cookware is predetermined power, guarantee cooking effect.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of program flow diagram of one embodiment of auto dish frying pot constant-power control method of the present invention；
Fig. 2 is magnetic field detection schematic illustration in auto dish frying pot of the present invention；
Fig. 3 is a kind of structural schematic diagram of auto dish frying pot constant power control device of the present invention；
Fig. 4 is a kind of circuit diagram of an embodiment of auto dish frying pot constant power control device of the present invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, in a kind of one embodiment of auto dish frying pot constant-power control method of the invention, including following step
It is rapid: the preset relation of the default magnetic field strength of S1, the preset input power for prestoring cookware actuating coil and predetermined position；Specifically
, since auto dish frying pot is when being set, wherein cookware can be previously set at a distance from cookware actuating coil, work as cookware
It has been set with the positional relationship of cookware actuating coil, when one timing of input power of cookware actuating coil, cookware is practical to be connect
The power of receipts is also certain.Simultaneously it is also to be understood that the magnetic field strength received around cookware is also certain.Work as pot
When having the input power variation of actuating coil, the magnetic field strength received around cookware can also be become according to certain rule
Change.Here, the practical reception power of cookware can be reflected by the magnetic field strength around cookware.It is selected around cookware actuating coil
It takes a fixed position as predeterminated position, cookware actually received power is reacted with the predeterminated position, prestores this position
The relationship of the input power of the magnetic field strength and cookware actuating coil measured is set, this relationship prestored is preset relation.
It will of course be understood that preset relation here can be a curve, or a definite value.Pot is determined by the relationship
The practical received power of tool is expected reception power.
S2, the target input power for obtaining cookware actuating coil, it is corresponding to obtain target input power according to preset relation
Magnetic field of the goal intensity；Specifically, according to the reception power that cookware needs, obtaining cookware work in the frying pan course of work
The target input power of coil, and the corresponding magnetic field of the goal intensity in predeterminated position is calculated according to preset relationship.
S3, the real-time input power for obtaining actuating coil and the corresponding real-time magnetic field intensity of real-time input power,
When real-time magnetic field intensity is unsatisfactory for magnetic field of the goal intensity, the real-time input power of cookware actuating coil is adjusted.Specifically, obtaining work
Make the real-time input power of coil, and corresponding real-time magnetic field intensity is obtained according to real-time input power, real-time magnetic field here
Intensity is measured value, when real-time magnetic field intensity at this time is unsatisfactory for the magnetic field of the goal intensity calculated above come out, adjusts cookware
The real-time input power of actuating coil, to obtain the real-time magnetic field intensity of predetermined position as magnetic field of the goal intensity, such cookware
Practical reception power it is ensured that be preset target input power, using the reception power of the cookware of guarantee as firm power.
Further, in step sl, the preset relation for prestoring default magnetic field strength and preset input power includes:
S11, preset input power is obtained, and measure in predetermined position, corresponding with preset input power default magnetic
Field intensity；Specifically, when prestoring the preset relation of default magnetic field strength and preset input power, it can be according to preset power
Level adjustment preset input power obtains corresponding with multiple and different preset input powers multiple default respectively in predeterminated position
Magnetic field strength.This operation can be auto dish frying pot factory when is set, can also after mounting, to cookware with
The operation that the distance of cookware actuating coil carries out after being confirmed, the initialization before can be used as equipment factory or use are set
It sets.
S12, cookware is obtained at a distance from predeterminated position, the equivalent resistance and predetermined position of cookware actuating coil
Receive the angular factors in magnetic field；Specifically, when acquisition preset input power corresponding default magnetic field strength, it may be considered that
By cookware at a distance from predeterminated position, the equivalent resistance of cookware actuating coil carries out prior confirmation, it is also possible to obtain default
Position receive cookware actuating coil transmitting electromagnetic wave magnetic direction confirmed, as shown in Figure 2, it is possible to understand that the magnetic field receive
Method can be defined with the angle, φ for receiving magnetic field, in the preset relation for calculating preset input power and default magnetic field strength
When, actual use is angular factors.
S13, according to cookware at a distance from predeterminated position, equivalent resistance, angular factors and preset input power and default
Magnetic field strength calculates preset relation.It is appreciated that when getting above-mentioned parameters, because the parameters are practical shadows
The key parameter to the practical received magnetic field strength of predeterminated position is rung, above-mentioned parameter can be passed through herein and carry out a comparison
The calculating of the preset relation of accurate default magnetic field strength and preset input power.
Further, on the basis of above-mentioned, preset relation calculation formula includes:
Wherein, Pin is the input power of cookware actuating coil, and Hout is the magnetic field strength of predeterminated position.Spot is cookware
At a distance from predeterminated position, Rpot is the equivalent resistance of cookware actuating coil, and COS Φ is the angle that predetermined position receives magnetic field
Spend the factor.It is appreciated that after obtaining above-mentioned parameters, can be carried out with reference to specific formula default magnetic field strength with
The preset relation of preset input power calculates.
Further, in step s3, when real-time magnetic field intensity is unsatisfactory for magnetic field of the goal intensity, actuating coil is adjusted
Real-time input power includes: to compare real-time magnetic field intensity and magnetic field of the goal intensity, and it is strong to be greater than magnetic field of the goal for degree before real-time magnetic field
When spending, the real-time input power of cookware actuating coil is reduced；When degree is less than magnetic field of the goal intensity before real-time magnetic field, increase cookware
The real-time input power of actuating coil.Specifically, the magnetic field strength of predetermined position react be cookware practical reception power,
When degree is greater than magnetic field of the goal intensity before real-time magnetic field, the real-time input power of cookware actuating coil is reduced；Before real-time magnetic field
When degree is less than magnetic field of the goal intensity, increase the real-time input power of cookware actuating coil.
In addition, as shown in figure 3, a kind of auto dish frying pot constant power control device of the invention, including control unit 120, with
And magnetic field detection unit 140, power detecting unit 130 and the power adjustment unit 150 being connect with control unit 120；Control is single
Member 120 includes the storage unit for storing the default magnetic field strength of predeterminated position and the preset relation of preset input power；Magnetic
Field detecting unit 140 is arranged close to cookware actuating coil 100, for detecting the magnetic field of predetermined position cookware actuating coil 110
Intensity；Power detecting unit 130 connects cookware actuating coil 110, for detecting the real-time input power of cookware actuating coil 110；
Power adjustment unit 150 connects cookware actuating coil 110, for adjusting the input power of cookware actuating coil 110.Specifically,
Control unit 120 is stored in default with the predetermined position of the holding corresponding relationship of cookware actuating coil 110 by storage unit
Magnetic field detection unit is arranged in the predeterminated position of cookware actuating coil 110 in the preset relation of magnetic field strength and preset input power
140, at a distance from the magnetic field detection unit 140 and cookware actuating coil 110 keep opposite, i.e., magnetic field detection unit 140 relative to
The position of cookware actuating coil 110 be it is fixed, for monitor in predetermined position, the true field of cookware actuating coil 110
Intensity.It is appreciated that the magnetic field strength that magnetic field detection unit 140 detects, can directly react the practical received power of cookware 200
Size.The power monitoring unit of cookware actuating coil 110 is connected, the actual input power of cookware actuating coil 110 is detected, just
Often when work, the practical reception power i.e. magnetic field detection unit for actually entering power Yu cookware 200 of cookware actuating coil 110
The relationship of the magnetic field strength of 140 detections is certain.It, can be with when needing to have preset reception power to pot 200 and be configured
The target input power for first obtaining cookware actuating coil 110, calculates according to the target input power in predetermined position magnetic field
Then the magnetic field of the goal intensity that detection unit 140 should measure obtains the real-time input power of cookware actuating coil 110,
And the real-time magnetic field intensity for obtaining 140 actual measurement of magnetic field detection unit in the real-time input power, compares the real-time magnetic
Field intensity and above-mentioned magnetic field of the goal intensity, when the real-time magnetic field intensity that the magnetic field of the goal intensity calculated is obtained with measurement is deposited
In difference, then the input power of cookware is adjusted by the power adjustment unit 150 of connection cookware actuating coil 110, make final
The real-time magnetic field intensity of measurement is the magnetic field of the goal intensity calculated.Using reach cookware actually received power as invariable power.
Further, it as shown in figure 4, magnetic field detection unit 140 includes detection coil L2, is successively cascaded with detection coil L2
Filter unit, amplifier unit and the rectification unit of connection, rectification unit are connect with control unit 120.Specifically, magnetic field detection list
Member 140 includes detection coil L2, after detection coil L2 detection after filter unit carries out frequency-selecting, is sent to the progress of amplifier unit
The amplification of signal is detected, the detection signal is then carried out by exchange variation direct current by rectification unit, generation is able to reflect reception
The voltage or current signal of the magnitude of field intensity arrived.It is appreciated that the position of detection coil L2 and cookware actuating coil 110
Relationship is fixed setting.
Further, in one embodiment, filter unit includes capacitor CS；In one embodiment, operational amplifier circuit includes fortune
Amplifier U1A is calculated, the reverse input end of operational amplifier U1A is grounded by resistance RS, the positive input of operational amplifier U1A
It connect, and the positive input of operational amplifier U1A is grounded through resistance R1, transports with operational amplifier U1A output end through resistance RF
The output end for calculating amplifier U1A is grounded by the capacitor CD and resistance RD being connected in parallel；In another embodiment, rectification circuit packet
Diode D1, the output end of the anode connection operational amplifier circuit of diode D1 are included, the cathode of diode D1 connects control unit 120.
Specifically, can be carried out by capacitive filter Cs detection signal filtering frequency-selecting, by operational amplifier U1A to frequency-selecting after
Signal amplifies, and can be grounded here by the capacitor CD and resistance RD being connected in parallel in the output end of operational amplifier U1A
The detection signal of output is further filtered, rectification can be rectified directly by diode D1 here.In two poles
The cathode of pipe D1 exports direct current signal.
Further, power adjustment unit 150 includes switch unit and the driving unit connecting with switch unit.Specifically
, power adjustment unit 150 includes the switch unit connecting with cookware actuating coil 110, and driving is connect with switch unit
Unit 151, the duty ratio of 151 driving switch unit of driving unit conducting are realized with controlling the electric current of tool work coil to pot
Has the adjustment of the input power of actuating coil 110.
Further, switch unit includes the one of the collector connection actuating coil of IGBT pipe IGBT1, IGBT pipe IGBT1
End, the emitter ground connection of IGBT pipe IGBT1, the base stage of IGBT pipe IGBT1 are connect with driving unit 151.Specifically, switch unit
It can be managed using IGBT, being switched on or off for IGBT pipe be driven by driving unit, cookware actuating coil 110 is flowed through in control
Electric current.Further, power detection list 130 includes voltage detection unit 131 and current detecting unit 132, the pot being separately connected
Have the input terminal of actuating coil 110, be also connected with power conversion unit 160 in the ac input end of cookware actuating coil 110, leads to
It is mixed to AC power source input progress brick to cross power conversion unit 160, a pile control unit 120 is powered.
In addition, a kind of auto dish frying pot of the invention, including any of the above one auto dish frying pot constant power control device.
Specifically, here auto dish frying device or automatic dish cooking machine etc. belonged to using the auto dish frying equipment of cookware it is mentioned here
Auto dish frying pot.
It should be understood that above embodiments only express the preferred embodiment of the present invention, description is more specific and detailed
Carefully, but it cannot be understood as limitations on the scope of the patent of the present invention；It should be pointed out that for the common skill of this field
For art personnel, without departing from the inventive concept of the premise, above-mentioned technical characterstic can be freely combined, can also be done
Several modifications and improvements out, these are all within the scope of protection of the present invention；Therefore, all to be done with scope of the invention as claimed
Equivalents and modification, should belong to the covering scope of the claims in the present invention.
Claims (10)
1. a kind of auto dish frying pot constant-power control method, which comprises the following steps:
The preset relation of the default magnetic field strength of S1, the preset input power for prestoring cookware actuating coil and predetermined position；
S2, the target input power for obtaining the cookware actuating coil are inputted with obtaining the target according to the preset relation
The corresponding magnetic field of the goal intensity of power；
S3, the real-time input power for obtaining the actuating coil and the corresponding real-time magnetic field strength of the real-time input power
Degree, when the real-time magnetic field intensity is unsatisfactory for the magnetic field of the goal intensity, adjusts the real-time input of the cookware actuating coil
Power.
2. auto dish frying pot constant-power control method according to claim 1, which is characterized in that in the step S1,
The preset relation for prestoring the default magnetic field strength and the preset input power includes:
S11, obtain the preset input power, and measured in the predetermined position, it is corresponding with the preset input power
The default magnetic field strength；
S12, the cookware is obtained at a distance from the predeterminated position, the equivalent resistance of the cookware actuating coil, Yi Jisuo
State the angular factors that predetermined position receives magnetic field；
S13, according to the cookware at a distance from the predeterminated position, the equivalent resistance, the angular factors and described pre-
If input power and the default magnetic field strength calculate the preset relation.
3. auto dish frying pot constant-power control method according to claim 2, which is characterized in that the preset relation calculates
Formula:
Wherein, Pin is the input power of the cookware actuating coil, and Hout is the magnetic field strength of predeterminated position detection.
Spot is the cookware at a distance from the predeterminated position, and Rpot is the equivalent resistance of the cookware actuating coil, and COS Φ is
The predetermined position receives the angular factors in magnetic field.
4. auto dish frying pot constant-power control method according to claim 3, which is characterized in that in the step S3,
It is described when the real-time magnetic field intensity is unsatisfactory for the magnetic field of the goal intensity, adjust the real-time input power of the actuating coil
Include:
Compare the real-time magnetic field intensity and the magnetic field of the goal intensity, degree is greater than the magnetic field of the goal before the real-time magnetic field
When intensity, the real-time input power of the cookware actuating coil is reduced；Degree is less than the magnetic field of the goal before the real-time magnetic field
When intensity, increase the real-time input power of the cookware actuating coil.
5. a kind of auto dish frying pot constant power control device, which is characterized in that including control unit, and and described control unit
Magnetic field detection unit, power detecting unit and the power adjustment unit of connection；
Described control unit includes for storing the default magnetic field strength of predeterminated position and the preset relation of preset input power
Storage unit；
The magnetic field detection unit is arranged close to cookware actuating coil, for detecting cookware actuating coil described in predetermined position
Magnetic field strength；
The power detecting unit connects the cookware actuating coil, for detecting the real-time input work of cookware actuating coil
Rate；
The power adjustment unit connects the cookware actuating coil, for adjusting the input power of the cookware actuating coil.
6. auto dish frying pot constant power control device according to claim 5, which is characterized in that the magnetic field detection unit
It is described with the detection coil the L2 successively filter unit of cascade connection, amplifier unit and rectification unit including detection coil L2
Rectification unit is connect with described control unit.
7. auto dish frying pot state judging device according to claim 6, which is characterized in that the filter unit includes electricity
Hold CS；And/or
The operational amplifier circuit includes operational amplifier U1A, and the reverse input end of the operational amplifier U1A connects by resistance RS
The positive input on ground, the operational amplifier U1A is connect through resistance RF with the operational amplifier U1A output end, and described
The positive input of operational amplifier U1A is grounded through resistance R1, what the output end process of the operational amplifier U1A was connected in parallel
Capacitor CD and resistance RD ground connection；And/or
The rectification circuit includes diode D1, and the anode of the diode D1 connects the output end of the operational amplifier circuit, described
The cathode of diode D1 connects described control unit.
8. auto dish frying pot constant power control device according to claim 6, which is characterized in that the power adjustment unit
Including switch unit and the driving unit being connect with the switch unit.
9. auto dish frying pot state judging device according to claim 8, which is characterized in that the switch unit includes
One end of the collector connection actuating coil of IGBT pipe IGBT1, the IGBT pipe IGBT1, the emitter of the IGBT pipe IGBT1
Ground connection, the base stage of the IGBT pipe IGBT1 are connect with the driving unit.
10. a kind of auto dish frying pot, which is characterized in that including auto dish frying pot perseverance function described in claim 5-9 any one
Rate control device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510047.7A CN109549462B (en) | 2018-12-11 | 2018-12-11 | Constant power control method and device for automatic frying pan and automatic frying pan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811510047.7A CN109549462B (en) | 2018-12-11 | 2018-12-11 | Constant power control method and device for automatic frying pan and automatic frying pan |
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| CN109549462A true CN109549462A (en) | 2019-04-02 |
| CN109549462B CN109549462B (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524655A (en) * | 2020-12-08 | 2021-03-19 | 珠海格力电器股份有限公司 | Magnetic field control circuit, ion flame control method and device and plasma cooker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112524655A (en) * | 2020-12-08 | 2021-03-19 | 珠海格力电器股份有限公司 | Magnetic field control circuit, ion flame control method and device and plasma cooker |
| CN112524655B (en) * | 2020-12-08 | 2022-02-25 | 珠海格力电器股份有限公司 | Magnetic field control circuit, ion flame control method and device and plasma cooker |
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