CN112443865B - Heating control method and device and induction cooker - Google Patents
Heating control method and device and induction cooker Download PDFInfo
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- CN112443865B CN112443865B CN201910806607.1A CN201910806607A CN112443865B CN 112443865 B CN112443865 B CN 112443865B CN 201910806607 A CN201910806607 A CN 201910806607A CN 112443865 B CN112443865 B CN 112443865B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 489
- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000006698 induction Effects 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 claims description 17
- 238000004590 computer program Methods 0.000 claims description 10
- 230000005684 electric field Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/06—Arrangement or mounting of electric heating elements
- F24C7/067—Arrangement or mounting of electric heating elements on ranges
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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
Abstract
The invention provides a heating control method, a heating control device and an induction cooker, wherein the method comprises the steps of determining whether at least two heating units are provided with cookers or not; if at least two heating units are provided with a pot, judging whether the at least two heating units are used for heating the same pot or not; if the at least two heating units are used for heating the same pot, the resonant heating frequency and the resonant heating phase of the at least two heating units are controlled to be consistent. The method improves the heating power and energy efficiency of the induction cooker.
Description
Technical Field
The embodiment of the invention relates to the technical field of household appliances, in particular to a heating control method and device and an induction cooker.
Background
The induction cooker is a common household appliance used for heating, when the induction cooker works, resonance generated by the coil panel generates a changing magnetic field, the changing magnetic field generates a changing electric field, and the changing electric field cuts a pot placed on the induction cooker to enable the pot bottom to generate eddy current, so that the pot is heated.
An induction cooker in the prior art includes a plurality of heating units, and a user may select at least one heating unit to heat at least one pot through an operation panel. However, when at least two heating units are selected to heat the same pot, the consistency of the magnetic fields generated by the at least two heating units cannot be ensured, so that the heating power and the energy efficiency of the induction cooker with multiple heating units are low.
Disclosure of Invention
The embodiment of the invention provides a heating control method and device and an induction cooker, which improve the heating power of the induction cooker and enable the heating power to be lower than the energy efficiency.
In a first aspect, the present invention provides a heating control method applied to a multiple heating unit induction cooker, the method comprising:
determining whether at least two heating units are provided with cookware;
if at least two heating units are provided with a pot, judging whether the at least two heating units are used for heating the same pot or not;
and if the at least two heating units are used for heating the same pot, controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent.
The method controls the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent, so that the directions of the magnetic fields generated by the resonance of the at least two heating units are consistent, and further, the electric fields with the consistent directions are generated, and the eddy currents with the consistent directions are generated on the cookware, so that the eddy currents on the cookware are prevented from being weakened due to the fact that the electric fields are offset when different heating units heat the same cookware, the heating power and the energy efficiency are improved
Optionally, the controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent includes:
pulse Width Modulation (PWM) signals with the same closing time are input to the at least two heating units.
Therefore, when the PWM signals of the at least two heating units are simultaneously turned off, the resonances of the at least two heating units start synchronously, and because the resonance periods are the same, the resonances of the at least two heating units are completely synchronous, so that the directions of the currents of the at least two heating units are completely the same, and the directions of the generated magnetic fields are also the same, thereby improving the heating power and energy efficiency of different heating units on the same cooker.
Optionally, the method further includes:
if the at least two heating units are used for heating different pots, determining at least one heating unit corresponding to each pot as a heating unit group;
and controlling the resonance heating phases of the heating unit groups corresponding to the different cookers to be different.
Optionally, control the resonance heating phase place of the heating unit crowd that different pans correspond is different, include:
and inputting PWM signals with different conduction moments to the heating unit groups corresponding to the different cookers.
Optionally, to the different pan corresponding heating unit crowd output switch on different PWM signals of moment, include:
and outputting PWM signals with non-overlapping conduction time to the heating unit groups corresponding to the different cookers.
According to the method, different resonant heating phases of different heating unit groups are controlled, namely the conduction time of the PWM signals is different, so that the different heating unit groups are prevented from simultaneously getting electricity from the mains supply, the phenomenon that the load of a power grid is too high is avoided, the current change of the power grid is reduced, and the EMC cost is reduced. By controlling the conduction time of the PWM signals not to overlap, the grid load is further prevented from being too high.
Optionally, whether there is the pan on two at least heating unit of detection, include:
detecting the number of pot detection pulses of each heating unit of the multi-heating unit induction cooker;
and determining whether at least two heating units are provided with pots according to the number of pot detection pulses of each heating unit.
Optionally, according to every heating element examine a pot pulse number, judge whether there is the pan on two at least heating elements, include:
and if the pot detection pulse number of the at least two heating units is less than or equal to a preset value, determining that the at least two heating units are provided with pots.
Optionally, judge whether two at least heating unit are used for heating same pan, include:
if any one of the at least two heating units is adjacent to at least one of the other heating units in the at least two heating units, determining that the at least two heating units are used for heating the same pot;
and if any one of the at least two heating units is not adjacent to other heating units in the at least two heating units, determining that the at least two heating units are used for heating different pots.
Optionally, judge whether two at least heating unit are used for heating same pan, include:
whether the at least two heating units are used for heating the same pot is determined according to an instruction input by a user, and the instruction input by the user is used for indicating the corresponding relation between the at least two heating units and the pot.
Optionally, the determining whether there are pans on at least two heating units includes:
whether at least two heating units are provided with cookware is determined according to the heating units selected by the user.
The method determines whether the at least two heating units are used for heating the same pot according to the user instruction, so that the accuracy of pot identification is improved, and the reduction of heating power and energy efficiency caused by wrong pot identification is avoided.
In a second aspect, the present invention provides a heating control device for a multiple heating unit electromagnetic oven, the device comprising:
the determining module is used for determining whether cookware exists on at least two heating units;
the judging module is used for judging whether the at least two heating units are used for heating the same pot if the at least two heating units are provided with the pot;
and the control module is used for controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent if the judging unit determines that the at least two heating units are used for heating the same pot.
Optionally, the control module is configured to:
pulse Width Modulation (PWM) signals with the same closing time are input to the at least two heating units.
Optionally, the control module is configured to:
if the at least two heating units are used for heating different pots, determining at least one heating unit corresponding to each pot as a heating unit group;
and controlling the resonance heating phases of the heating unit groups corresponding to the different cookers to be different.
Optionally, the control module is further configured to:
and inputting PWM signals with different conduction moments to the heating unit groups corresponding to the different cookers.
Optionally, the control module is further configured to:
and outputting PWM signals with non-overlapping conduction time to the heating unit groups corresponding to the different cookers.
Optionally, the detection module:
detecting the number of pot detection pulses of each heating unit of the multi-heating unit induction cooker;
and judging whether at least two heating units are provided with pots or not according to the pot detection pulse number of each heating unit.
Optionally, the determining module is configured to:
and if the pot detection pulse number of the at least two heating units is less than or equal to a preset value, determining that the at least two heating units are provided with pots.
Optionally, the determining module is configured to:
if any heating unit of the at least two heating units is adjacent to at least one heating unit of other heating units of the at least two heating units, determining that the at least two heating units are used for heating the same pot;
and if any one of the at least two heating units is not adjacent to other heating units in the at least two heating units, determining that the at least two heating units are used for heating different pots.
Optionally, the determining module is configured to:
whether the at least two heating units are used for heating the same pot is determined according to an instruction input by a user, and the instruction input by the user is used for indicating the corresponding relation between the at least two heating units and the pot.
Optionally, the determining module is configured to:
whether at least two heating units are provided with cookware is determined according to the heating units selected by the user.
In a third aspect, the present invention provides an induction cooker, comprising a memory and a processor; the memory is connected with the processor;
the memory for storing a computer program;
the processor, when being executed by a computer program, is configured to implement the heating control method according to any one of the preceding claims.
In a fourth aspect, the present invention provides a storage medium having stored thereon a computer program which, when executed by a processor, implements a heating control method as defined in any one of the above first aspects.
The invention provides a heating control method, a heating control device and an induction cooker, wherein whether cookware is arranged on at least two heating units is determined, when cookware is arranged on at least two heating units, whether the at least two heating units are used for heating the same cookware is further judged, and when the at least two heating units are used for heating the same cookware, the resonant heating frequency and the resonant heating phase of the at least two heating units are controlled to be consistent, so that the directions of magnetic fields generated by the at least two heating units are consistent, electric fields with the same direction are further generated, eddy currents with the same direction are generated on the cookware, eddy currents on the cookware are prevented from being weakened due to electric field offset when different heating units heat the same cookware, and the heating power and the energy efficiency are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system structure diagram of an induction cooker according to the present invention;
FIG. 2 is a schematic flow chart of a heating control method according to the present invention;
FIG. 3 is a first PWM waveform provided by the present invention;
FIG. 4 is a second PWM waveform provided by the present invention;
FIG. 5 is a third PWM waveform provided by the present invention;
FIG. 6 is a schematic structural diagram of a heating control device according to the present invention;
fig. 7 is a schematic structural diagram of an induction cooker provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
When the induction cooker works, the coil panel resonates to generate a changed magnetic field, so that eddy current is generated at the bottom of a pot placed on the induction cooker, and the pot is heated. In order to meet various requirements of users, an induction cooker with a plurality of heating units is currently on the market, as shown in fig. 1, the induction cooker has a heating unit 101 and a heating unit 102, and it can be understood by those skilled in the art that fig. 1 illustrates two heating units, and in practical applications, the number of heating units in the induction cooker can be set according to needs. The heating unit 101 and the heating unit 102 may heat the same pot at the same time, or the heating unit 101 and the heating unit 102 may heat two different pots, respectively. When the heating unit 101 and the heating unit 102 heat the same pot, if the directions of the magnetic fields generated by the heating unit 101 and the heating unit 102 are inconsistent, the magnetic fields with inconsistent directions generate electric fields with inconsistent directions, and the electric fields with inconsistent directions counteract each other on the pot, so that eddy currents generated on the pot are weakened, and the heating power and the heating energy efficiency are reduced.
In order to solve the above problems, the heating control method provided by the present invention controls the resonant heating frequencies of at least two heating units to be consistent when the at least two heating units heat the same pot, thereby improving the heating power and energy efficiency of the multi-heating unit induction cooker. The heating control method provided by the present invention is explained below with reference to examples.
Fig. 2 is a schematic flow chart of a heating control method according to the present invention. The execution main body of the method can be a Micro Control Unit (MCU) in the electromagnetic oven. As shown in fig. 2, the method includes:
s201, determining whether at least two heating units are provided with cookware.
When the induction cooker starts to work, firstly, cookware is detected, for a multi-heating induction cooker, each heating unit needs to be detected, whether cookware exists on each heating unit is determined, if only one heating unit exists, the cookware is heated by the heating unit at the moment, which is equivalent to the traditional induction cooker with a single heating unit, and the MCU determines that corresponding heating power is used for heating and controlling the heating unit according to the heating function selected by the user. If at least two heating units have pans, step S202 needs to be executed to improve the heating efficiency of the induction cooker.
In one possible implementation, the following method can be used to detect whether there is a pot on at least two heating units: detecting the number of pot detection pulses of each heating unit of the multi-heating unit induction cooker; and judging whether at least two heating units are provided with pots or not according to the number of pot detection pulses of each heating unit.
The pan number of examining the pan pulse is different with not placing the condition of pan on the heating unit, if two at least heating unit examine pan pulse number be less than or equal to the default, then confirm that there is the pan on two at least heating unit.
In another possible implementation manner, whether the cookware is on at least two heating units can be determined according to the heating unit selected by the user. For example, if the operation panel of the induction cooker has a heating unit selection button, the user can select a desired heating unit through the operation panel and place the pot on the selected heating unit.
S202, if at least two heating units are provided with cookers, whether the at least two heating units are used for heating the same cooker is judged.
If at least two heating units are provided with cookware, the cookware on the two heating units can be the same cookware or different cookware, so that whether the at least two heating units are used for heating the same cookware needs to be further judged.
In a possible implementation manner, determining whether the at least two heating units are used for heating the same pot may include: if any heating unit of the at least two heating units is adjacent to at least one heating unit of other heating units of the at least two heating units, determining that the at least two heating units are used for heating the same pot; and if any heating unit in the at least two heating units is not adjacent to other heating units in the at least two heating units, determining that the at least two heating units are used for heating different pots.
When a user places a pot on the induction cooker, the heating units corresponding to the heating areas occupied by the same pot on the panel of the induction cooker are adjacent to each other, and the heating units corresponding to the heating areas occupied by different pots on the panel are not adjacent to each other due to the fact that a certain position gap exists between the heating units when the heating units are placed on different pots.
In another possible implementation manner, determining whether the at least two heating units are used for heating the same pot may include: whether these at least two heating units are used for heating same pan is confirmed according to the instruction of user's input, and the instruction of user's input is used for instructing the corresponding relation between these at least two heating units and the pan.
For example, if the MCU confirms that there are pots on the at least two heating units by detecting pot pulses in S201, the at least two heating units may be displayed on the operation panel, so that the user may input the number of pots corresponding to the at least two heating units or the pots corresponding to the at least two heating units according to the specific situation of placing pots by himself.
For another example, if it is determined in S201 whether at least two heating units have pans according to the heating unit selected by the user, the user may further input the number of pans corresponding to the selected heating unit after selecting the heating unit, or the pans corresponding to the selected heating unit.
Therefore, whether the at least two heating units are used for heating the same cooker or not can be determined more accurately according to the instruction input by the user, and the cooker identification error is avoided.
S203, if the at least two heating units are used for heating the same pot, controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent.
When the at least two heating units are used for heating the same cooker, the area of the cooker placed on each heating unit in the at least two heating units may be different, so that the heating power of the at least two heating units may be different, but the resonant heating frequency and the resonant heating phase of the at least two heating units must be consistent, so that the alternating current directions in the coil panels of the heating units are consistent, the alternating magnetic fields generated by the coil panels of the heating units are consistent in direction, the magnetic fields with the consistent directions generate electric fields with the consistent directions, and eddy currents with the consistent directions are generated on the cooker, so that the power and the energy efficiency of the at least two heating units for heating the same cooker are improved.
The heating control method provided by the embodiment determines whether at least two heating units are provided with cookers, when at least two heating units are provided with cookers, whether the at least two heating units are used for heating the same cooker is further judged, and when the at least two heating units are used for heating the same cooker, the resonant heating frequency and the resonant heating phase of the at least two heating units are controlled to be consistent, so that the directions of magnetic fields generated by the at least two heating units are consistent, and further, electric fields with the consistent directions are generated, so that eddy currents with the consistent directions are generated on the cookers, and the phenomenon that eddy currents on the cookers are weakened due to the fact that the electric fields are offset when different heating units heat the same cooker is avoided, and the heating power and the energy efficiency are improved.
Optionally, controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent in S203 in the embodiment shown in fig. 2 may include: pulse Width Modulation (PWM) signals having the same turn-off timing are input to the at least two heating units.
Referring to fig. 1, a heating unit 101 and a heating unit 102 heat a same pot, a coil panel 1 and a resonant capacitor 1 in the heating unit 101 form an LC resonant circuit, a coil panel 2 and a resonant capacitor 2 in the heating unit 102 form another LC resonant circuit, an MCU may control output of a PWM signal through software, and turn on and off control of the IGBT1 and the IGBT2 is completed respectively by driving of an Insulated Gate Bipolar Transistor (IGBT), so that the LC resonant circuit formed by the coil panel 1 and the resonant capacitor 1 in the heating unit 101 generates resonance and the other LC resonant circuit formed by the coil panel 2 and the resonant capacitor 2 in the heating unit 102 generates resonance to heat the pot.
For a resonant tank, the resonant period is
The inductance L and the resonance capacitance C in each heating unit of the multi-heating unit induction cooker are the same in size, that is, the inductance value of the coil panel 1 in the heating unit 101 is the same as the inductance value of the coil panel 2 in the heating unit 102, and the value of the resonance capacitance 1 in the heating unit 101 is the same as the value of the resonance capacitance 2 in the heating unit 102, so that the resonance periods of the heating unit 1 and the heating unit 2 are the same.
If the turn-off timings of the PWM signals received by the heating units 101 and 102 are the same, as shown in the PWM waveform diagram of fig. 3, PWM1 is the PWM signal received by the heating unit 1, and PWM2 is the PWM signal received by the heating unit 2. When the PWM1 and the PWM2 are turned off simultaneously, the coil panels in the heating unit 101 and the heating unit 102 start to charge the respective resonant capacitors simultaneously, that is, the start time of the resonance of the heating unit 101 and the resonance of the heating unit 102 are synchronous, and the resonance periods are the same, so the resonance of the heating unit 101 and the resonance of the heating unit 102 are completely synchronous, that is, the resonance of each heating unit in the same pot are completely synchronous, so that the directions of the generated magnetic fields are the same although the magnitudes of the currents in the heating units may be different, and thus the directions of the generated magnetic fields are the same, so as to generate the electric fields in the same direction, and generate the eddy currents in the same direction on the pot, thereby improving the power and energy efficiency of the heating of the same pot by different heating units.
Because at least two heating units of the multi-heating-unit electromagnetic oven can also be used for heating different pots, the heating control method can further comprise the following steps:
s204, if the at least two heating units are used for heating different cookers, determining at least one heating unit corresponding to each cooker as a heating unit group.
S205, controlling the resonant heating phases of the heating unit groups corresponding to different cookers to be different.
With reference to fig. 1, if the heating unit 1 is used to heat the pot a and the heating unit 2 is used to heat the pot B, the heating unit 1 is determined as a first heating unit group and the heating unit 2 is determined as a second heating unit group. The heating unit 1 takes a point from the mains supply when the IGBT1 is on, i.e., no resonance occurs, and takes a point from the resonance capacitor 1 when the IGBT1 is off, and the heating unit 2 takes a point from the mains supply when the IGBT2 is on, and takes a point from the resonance capacitor 2 when the IGBT2 is off.
If the resonant heating phases of the first heating unit group and the second heating unit group are the same, the first heating unit and the second heating unit simultaneously take electricity from the mains supply, so that the mains supply current is overlarge and the change of the current is overlarge at the same time, the load of a power grid is overlarge, the power grid is easy to trip and cannot heat multiple cookers at high power, the electromagnetic interference of the induction cooker is larger when the current change rate is larger, components with better performance are required to meet the EMC requirement, and the cost of the induction cooker is increased.
Therefore, when these at least two heating unit are used for heating different pans, the resonance heating phase place of the heating unit crowd that the different pans of control correspond is different for different heating unit crowd gets the electricity from the commercial power at different times, thereby reduces the electric wire netting load, reduces the current variation, makes electromagnetism stove electromagnetic interference reduce, thereby reduces EMC cost.
In a possible implementation manner, controlling the resonant heating phases of the heating unit groups corresponding to different pots in S204 to be different may include: and PWM signals with different conduction moments are input to the heating unit groups corresponding to different cookers.
As shown in the PWM waveform diagram of fig. 4, PWM3 is a PWM signal received by the heating unit 1, and PWM4 is a PWM signal received by the heating unit 2. The different then resonance heating phase place of the conduction time difference of the PWM signal of heating unit 1 and heating unit 2, heating unit 1 gets the electricity from the commercial power when PWM3 switches on, gets the electricity from resonant capacitor 1 when PWM3 closes, and heating unit 2 gets the electricity from the commercial power when PWM4 switches on, gets the electricity from resonant capacitor 2 when PWM4 closes to make the affiliated different heating unit crowd of different pans get the electricity from the commercial power at different times, reduced the electric wire netting load, reduce the EMC cost.
In order to further reduce the load of the power grid and avoid that the load of the power grid is still too high in part of time, PWM signals with different conduction times are output to the heating unit groups corresponding to different pots, and the PWM signals can be further: and outputting PWM signals with non-overlapping conduction time to heating unit groups corresponding to different cookers.
As shown in the PWM waveform diagram of fig. 5, PWM5 is a PWM signal received by heating unit 1, and PWM6 is a PWM signal received by heating unit 2. The conduction time of the PWM of the heating unit 1 and the PWM of the heating unit 2 are not overlapped completely, so that the heating unit 1 and the heating unit 2 cannot get electricity from the mains supply at the same time in any time, and further, the over-high load of a power grid is avoided.
Fig. 6 is a schematic structural diagram of a heating control device provided in the present invention. The heating control device is applied to the multi-heating-unit electromagnetic oven, and the heating device can be an MCU in the electromagnetic oven. As shown in fig. 6, the apparatus 60 includes:
a determining module 61 for determining whether there is a pot on at least two heating units;
a judging module 62, configured to judge whether at least two heating units are used for heating a same pot if at least two heating units have pots thereon;
and the control module 63 is configured to control the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent if the determining unit determines that the at least two heating units are used for heating the same pot.
Optionally, the control module 63 is configured to:
pulse Width Modulation (PWM) signals with the same closing time are input to the at least two heating units.
Optionally, the control module 63 is configured to:
if the at least two heating units are used for heating different cookers, determining at least one heating unit corresponding to each cooker as a heating unit group;
controlling the resonant heating phases of the heating unit groups corresponding to the different cookers to be different.
Optionally, the control module 63 is further configured to:
and inputting PWM signals with different conduction moments to the heating unit groups corresponding to the different cookers.
Optionally, the control module 63 is further configured to:
and outputting PWM signals with non-overlapping conduction time to the heating unit groups corresponding to the different cookers.
Optionally, the determining module 61:
detecting the number of pot detection pulses of each heating unit of the multi-heating unit induction cooker;
and judging whether at least two heating units are provided with pots or not according to the number of pot detection pulses of each heating unit.
Optionally, the determining module 62 is configured to:
and if the pot detection pulse number of the at least two heating units is less than or equal to a preset value, determining that the at least two heating units are provided with pots.
Optionally, the determining module 62 is configured to:
if any heating unit of the at least two heating units is adjacent to at least one heating unit of other heating units of the at least two heating units, determining that the at least two heating units are used for heating the same pot;
if any heating unit in the at least two heating units is not adjacent to other heating units in the at least two heating units, determining that the at least two heating units are used for heating different pots.
Optionally, the determining module 62 is configured to:
whether the at least two heating units are used for heating the same pot is determined according to the instruction input by the user, and the instruction input by the user is used for indicating the corresponding relation between the at least two heating units and the pot.
Optionally, the determining module 61 is configured to:
whether at least two heating units are provided with cookware is determined according to the heating units selected by the user.
The heating control device provided in this embodiment can be used to execute the heating control method in any of the above method embodiments, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 7 is a schematic structural diagram of an induction cooker provided by the present invention. As shown in fig. 7, the induction cooker 70 includes a memory 71 and a processor 72; the memory 71 is connected to the processor 72;
a memory 71 for storing a computer program;
a processor 72 for implementing the heating control method in any of the above method embodiments when the computer program is executed.
The present invention provides a storage medium having stored thereon a computer program which, when executed by a processor, implements a heating control method as in any one of the method embodiments described above.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
Modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The computer-readable storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (9)
1. A heating control method is characterized by being applied to a multi-heating-unit induction cooker, and comprises the following steps:
determining whether at least two heating units are provided with cookware;
if at least two heating units are provided with a pot, judging whether the at least two heating units are used for heating the same pot or not;
if the at least two heating units are used for heating the same pot, controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent;
the controlling of the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent comprises:
inputting Pulse Width Modulation (PWM) signals with the same closing time to the at least two heating units;
judge whether two at least heating unit are used for heating same pan, include:
determining whether the at least two heating units are used for heating the same pot according to an instruction input by a user, wherein the instruction input by the user is used for indicating the corresponding relation between the at least two heating units and the pot;
the determination of whether there is a pot on at least two heating units includes:
determining whether at least two heating units are provided with cookware according to the heating units selected by the user;
the method further comprises the following steps:
if the at least two heating units are used for heating different pots, determining at least one heating unit corresponding to each pot as a heating unit group;
and controlling the resonance heating phases of the heating unit groups corresponding to different pots to be different.
2. The method according to claim 1, wherein the controlling the resonant heating phases of the heating unit groups corresponding to different pots are different, comprises:
and inputting PWM signals with different conduction moments to the heating unit groups corresponding to the different cookers.
3. The method according to claim 2, wherein outputting PWM signals with different turn-on times to the heating unit groups corresponding to the different pots comprises:
and outputting PWM signals with non-overlapping conduction time to the heating unit groups corresponding to the different cookers.
4. The method of any one of claims 1-3, wherein said determining if there is a pot on at least two heating units comprises:
detecting the number of pot detection pulses of each heating unit of the multi-heating unit induction cooker;
and judging whether at least two heating units are provided with pots or not according to the number of pot detection pulses of each heating unit.
5. The method of claim 4, wherein said determining whether there are any pots on at least two heating units according to the number of pot detection pulses of each heating unit comprises:
and if the pot detection pulse number of the at least two heating units is less than or equal to a preset value, determining that the at least two heating units are provided with pots.
6. The method according to any one of claims 1-3, wherein said determining whether the at least two heating units are used for heating the same pot comprises:
if any heating unit of the at least two heating units is adjacent to at least one heating unit of other heating units of the at least two heating units, determining that the at least two heating units are used for heating the same pot;
and if any one of the at least two heating units is not adjacent to other heating units in the at least two heating units, determining that the at least two heating units are used for heating different pots.
7. A heating control device, applied to a multi-heating-unit induction cooker, the device comprising:
the determining module is used for determining whether cookware exists on at least two heating units;
the judging module is used for judging whether the at least two heating units are used for heating the same pot if the at least two heating units are provided with the pot;
the control module is used for controlling the resonant heating frequency and the resonant heating phase of the at least two heating units to be consistent if the judging unit determines that the at least two heating units are used for heating the same cooker;
the control module is specifically configured to:
inputting Pulse Width Modulation (PWM) signals with the same closing time to the at least two heating units;
the judgment module is specifically configured to:
determining whether the at least two heating units are used for heating the same pot according to an instruction input by a user, wherein the instruction input by the user is used for indicating the corresponding relation between the at least two heating units and the pot;
the determining module is specifically configured to:
determining whether at least two heating units are provided with cookware according to the heating units selected by the user;
the control module is further configured to:
if the at least two heating units are used for heating different cookers, determining at least one heating unit corresponding to each cooker as a heating unit group;
controlling the resonance heating phases of the heating unit groups corresponding to the different cookers to be different.
8. An induction cooker, characterized by comprising a memory and a processor; the memory is connected with the processor;
the memory for storing a computer program;
the processor, when being executed by a computer program, is configured to implement the heating control method according to any one of the preceding claims 1 to 6.
9. A storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements a heating control method as claimed in any one of claims 1-6.
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