CN109931631A - Heating device, cooking apparatus and method for heating and controlling - Google Patents
Heating device, cooking apparatus and method for heating and controlling Download PDFInfo
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- CN109931631A CN109931631A CN201711350662.1A CN201711350662A CN109931631A CN 109931631 A CN109931631 A CN 109931631A CN 201711350662 A CN201711350662 A CN 201711350662A CN 109931631 A CN109931631 A CN 109931631A
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Abstract
The present invention provides a kind of heating device, cooking apparatus and method for heating and controlling, wherein heating device, comprising: electromagnetic induction heating component and compensation heating component, compensation heating component includes radiated wave heating component and/or electric resistance heating assembly；Pot component is examined, is equipped with electromagnetic induction heating component and compensation heating component, for detecting the ferromagnetism of placing cooker on heating device to generate inspection pot signal；Control module, control module are connected with electromagnetic induction heating component, compensation heating component and inspection pot component respectively, and control module examines pot signal for receiving, and the ferromagnetism of cookware is determined according to inspection pot signal, are heated with controlling corresponding heating component.According to the technical solution of the present invention, corresponding heating component can be automatically controlled according to the ferromagnetism of cookware on heating device to be heated, the heating effect of cooking apparatus is improved, so that cooking apparatus is suitable for a plurality of types of cookwares, and then the user experience is improved.
Description
Technical field
The present invention relates to technical field of electric appliances, add in particular to a kind of heating device, a kind of cooking apparatus and one kind
Heat control method.
Background technique
In the related technology, electric furnace is generally heated in a manner of electromagnetic induction heating or in the heating method selected by user
Heating, there are following technological deficiencies:
It cannot automatically switch heating method according to the material of the cookware detected in heating process, heating method needs manual
Switching, automation and intelligent level are lower, influence to cook effect and user experience.
It when the ferromagnetism of placing cooker is poor, is still heated in a manner of single electromagnetic induction heating, it is difficult to meet heating
Demand, energy consumption are larger.
With the promotion of current domestic consumption level, part population begins to use more healthy ceramic material, glass material
The cookwares such as matter are heated, and electromagnetic induction heating mode is difficult to meet the needs of users, and electromagnetic induction heating is due to heating
Thermal inertia is not present in carrier and heat source, is easy to appear phenomena such as quick-fried firepower is insufficient.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of heating devices.
It is another object of the present invention to provide a kind of cooking apparatus.
It is yet a further object of the present invention to provide a kind of method for heating and controlling.
To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of heating device, comprising: electricity
Magnetic induction heating component and compensation heating component, compensation heating component includes radiated wave heating component and/or electric resistance heating assembly；
Pot component is examined, is equipped with electromagnetic induction heating component and compensation heating component, for detecting placing cooker on heating device
Ferromagnetism with generate inspection pot signal；Control module, control module respectively with electromagnetic induction heating component, compensation heating component with
And inspection pot component is connected, control module examines pot signal for receiving, and the ferromagnetism of cookware is determined according to inspection pot signal, with control
Corresponding heating component is heated；Cooling fan is equipped with electromagnetic induction heating component and compensation heating component, radiates
Blower is connected with control module.
In the technical scheme, it by electromagnetic induction heating component and compensation heating component, may be implemented according to user's
The demand for heat of selection or the cookware detected automatically carries out single or mixing matching heating, improves being applicable in for heating device
Range and heating effect pass through the inspection pot component being equipped with electromagnetic induction heating component and compensation heating component, Ke Yijian
The ferromagnetism of placing cooker on heating device is surveyed to generate inspection pot signal, automatically controls heating device according to inspection pot signal
The heating of corresponding heating component improves the intelligent level of the heating method switching of heating device, by respectively with electromagnetism sense
Answer heating component, compensation heating component and examine the connected control module of pot component, can according to the inspection pot signal received, and
The ferromagnetism that cookware is determined according to inspection pot signal, is heated to control corresponding heating component, so that heating is matched with cookware,
Heating effect is improved, energy consumption is reduced, electromagnetic induction heating component and compensation heating component can be existed by cooling fan
The heat that operation generates in itself in heating process sheds, and raising electromagnetic induction heating component uses the longevity with compensation heating component
Life.
Wherein, compensation heating component can be electric resistance heating assembly, is also possible to radiated wave heating component, can also be two
The combination of person, radiated wave heating component can be infrared heating component, be also possible to microwave heating component.
In the above-mentioned technical solutions, it is preferable that further include: operation panel is connected with control module, for receiving cookware choosing
It selects signal and transmits institute's cookware selection signal to control module, wherein control module determines cookware according to cookware selection signal
Thermal conductivity is heated with controlling corresponding compensation heating component.
In the technical scheme, by being connected to the control module operation panel, it can receive cookware selection signal, and will
Cookware selection signal is transferred to control module, and control module can determine the type of cookware and thermally conductive according to cookware selection signal
Property, and then control corresponding compensation heating component and heated, so that the heating of compensation heating component is compensating single electromagnetism sense
While answering heating component to heat firepower deficiency, the energy consumption of compensation heating component is also reduced, heating device is further increased
Heating effect.
Specifically, the good cookware of thermal conductivity can use electric resistance heating assembly to compensate heating as compensation heating component,
For example stainless-steel pan, iron pan etc., poor thermal conductivity, the good cookware of the penetrability to radiated wave can use radiated wave heating component, than
Such as glass boiler, ceramic pan.
In any of the above-described technical solution, it is preferable that operation panel includes: selection key, is connected with control module, is used
The cookware selection signal generated is touched in receiving user.
In the technical scheme, user is received by being connected to the control module selection key touches the cookware choosing generated
Select signal, realize according to the user's choice come the determination for carrying out corresponding heating component, further improve heating effect and
User experience.
Specifically, the type of cookware, such as glass boiler, ceramic pan, stainless-steel pan, iron can be labeled with above selection key
Pot, carbon steel pot, copper pot, user can place the type of cookware on the heating according to oneself, to press relevant selection
Key.
In any of the above-described technical solution, it is preferable that operation panel includes: communication unit, is connected with control module, is used
The cookware selection signal of generation is remotely controlled in reception user.
In the technical scheme, by the communication unit with control module, it can receive the pot that user remotely controls generation
Have selection signal, improves the ease of use of heating device, the timing heated of heating device may be implemented.
Wherein, communication unit can be bluetooth, Wifi, NFC.
In any of the above-described technical solution, it is preferable that inspection pot component includes: LC resonance unit, is connected with control module,
For oscillation circuit being formed, to detect the cookware placed on heating device in the pulse excitation signal for receiving control module
Ferromagnetism；Acquisition unit is connected with LC resonance unit and control module respectively, for generating inspection pot letter according to oscillation circuit
Number, concurrent inspection pot signal to control module.
In the technical scheme, by being connected to the control module LC resonance unit, control module can received
When pulse excitation signal, oscillation circuit is formed, generates eddy current effect with the cookware of placement on the heating, ferromagnetism is stronger
When, eddy current effect is stronger, the free energy loss in oscillation circuit is faster, can detect the pot placed on heating device with this
The ferromagnetism of tool can be raw according to oscillation circuit by the acquisition unit being connected respectively with LC resonance unit and control module
At inspection pot signal, concurrent inspection pot signal to control module realizes the generation and acquisition of inspection pot signal, improves inspection pot signal
Accuracy, be conducive to control module and accurately judge the ferromagnetism of cookware, added to control corresponding heating component
Heat further improves heating effect, meets the culinary art demand of user, the user experience is improved.
Wherein, inspection pot component can also share a LC resonance unit with electromagnetic induction heating component.
In any of the above-described technical solution, it is preferable that acquisition unit includes: current transformer, and the one of current transformer
Secondary side is connected with LC resonance unit, for the first current signal in oscillation circuit to be converted into the second current signal in proportion；
Current sampling circuit, is connected to the secondary side of current transformer, and the other end of current sampling circuit is connected to control module, is used for
By the second current signal, it is sent to control module, wherein inspection pot signal includes the second current signal, and control module is according to first
The amplitude changing value of the second current signal in preset time determines the ferromagnetism of cookware.
In the technical scheme, by with the current transformer of LC resonance unit and the electric current being connect with current transformer
Sample circuit realizes the acquisition of current signal when forming resonant tank to LC resonance unit, this as acquisition unit
The amplitude of two current signals is heated the influence for the cookware placed on device, can according to the amplitude changing value of the second current signal
To realize the ferromagnetism for determining cookware, is conducive to control module according to the ferromagnetism of cookware, controls corresponding heating component and carry out
Heating, further improves heating effect, meets the culinary art demand of user, the user experience is improved.
In any of the above-described technical solution, it is preferable that acquisition unit includes: comparator, is connected with LC resonance unit, is used
In generating synchronous high-voltage pulse signal according to the voltage in oscillation circuit, comparator is connected with control module, is used for high pressure
Pulse signal is sent to institute's control module, wherein control module includes according to the high-voltage pulse signal in the second preset time
High-voltage pulse number determines the ferromagnetism of cookware.
In the technical scheme, by with the concatenated comparator of LC resonance unit, can be according to the voltage in oscillation circuit
Synchronous high-voltage pulse signal is generated, the acquisition of voltage signal when forming resonant tank to LC resonance unit is realized, due to
Eddy current effect is stronger, and the voltage magnitude decaying in resonant tank is faster, can be real according to the number of high-voltage pulse in the unit time
The ferromagnetism for now determining cookware, is conducive to control module according to the ferromagnetism of cookware, controls corresponding heating component and heated,
Heating effect is further improved, meets the culinary art demand of user, the user experience is improved.
In any of the above-described technical solution, it is preferable that further include: display, display are connected with control module, are used for
Display corresponds to the heating power of heating component.
In the technical scheme, by being connected to the control module display, adding corresponding to heating component can be shown
Thermal power is conducive to user and gets information about current heating state, is conducive to user and makes according to their own needs accordingly
Adjustment, meanwhile, it is also beneficial to user and notes abnormalities in time heating state, improve the security performance of heating device.
The technical solution of the second aspect of the present invention provides a kind of cooking apparatus, comprising: the skill of first aspect present invention
The heating device for any one that art scheme proposes.
In the technical scheme, cooking apparatus includes any one of the technical solution proposition of the first aspect of aforementioned present invention
Heating device, therefore with aforementioned present invention first aspect technical solution propose any one heating device whole
Beneficial effect, details are not described herein.
In the above-mentioned technical solutions, it is preferable that cooking apparatus is one of electromagnetic oven, electromagnetism rice cooker, electromagnetic water kettle.
The technical solution of the third aspect of the present invention proposes a kind of method for heating and controlling, suitable for aforementioned present invention
What the technical solution of the second aspect of the heating device and aforementioned present invention for any one that the technical solution of one side proposes proposed
The cooking apparatus of any one, method for heating and controlling include: to send according to the first predetermined period to the LC resonance unit of inspection pot component
Pulse excitation signal, and obtain corresponding inspection pot signal；According to inspection pot signal, the ferromagnetic of the cookware placed on heating device is determined
Property；According to the ferromagnetism of cookware, controls corresponding heating component and heated.
In the technical scheme, by sending pulse excitation to the LC resonance unit of inspection pot component according to the first predetermined period
Signal, and obtain corresponding inspection pot signal, realizes the periodic detection to cookware, be conducive to control module according to inspection pot signal from
Dynamic switching heating method, by determining the ferromagnetism for the cookware placed on heating device, and according to cookware according to inspection pot signal
Ferromagnetism controls corresponding heating component and is heated, so that heating matches with cookware, on the one hand, heating effect is improved,
The culinary art demand of user is met, on the other hand, reduces energy consumption, in another aspect, realize in user's use process, for
Cookware characteristic selects suitable heating method, reduces the fussy degree for needing to manually select heating method in cooking process.
Wherein, the first predetermined period can be set to 30s-1min.
In the above-mentioned technical solutions, it is preferable that inspection pot signal includes the second current signal from LC resonance unit, according to
Pot signal is examined, determines the ferromagnetism for the cookware placed on heating device, comprising: determines the second electric current letter in the first preset time
Number amplitude changing value；If amplitude changing value is greater than the first preset threshold, it is determined that cookware is strong ferromagnetism；If amplitude changing value
Less than or equal to the first preset threshold, and it is greater than the second preset threshold, it is determined that cookware is weak ferromagnetism；If amplitude changing value is small
In or equal to the second preset threshold, it is determined that cookware is nonferromagnetic.
In the technical scheme, using the second current signal from LC resonance unit as inspection pot signal, to determine heating
The ferromagnetism for the cookware placed on device, by determining the amplitude changing value of the second current signal in the first preset time, and
The ferromagnetism that the cookware placed on heating device is determined according to the size of this amplitude changing value, realizes on heating device
The ferromagnetic determination of the cookware of placement is conducive to control module according to the ferromagnetism of cookware, control corresponding heating component into
Row heating, further improves heating effect, meets the culinary art demand of user, the user experience is improved.
Wherein, the 10ms-30ms that the first preset time can rise for spontaneous submitting pulse excitation signal, is also possible to sending out
2ms to 10ms this time range after sending out pulse excitation signal, amplitude changing value refer to the maximum in the first preset time
Difference between current signal amplitude and minimum current signal amplitude, the first preset threshold and the second preset threshold are according to providing
The initial current signal amplitude of pulse excitation signal determines, the second preset threshold can be 0 or to be slightly larger than 0, i.e., first is pre-
If current signal amplitude is almost unchanged in the time, it is believed that cookware is nonferromagnetic.
In any of the above-described technical solution, it is preferable that inspection pot signal includes the high-voltage pulse letter from LC resonance unit
Number, according to inspection pot signal, determine the material for the cookware placed on heating device, comprising: determine the high pressure in the second preset time
The high-voltage pulse number that pulse signal includes；If high-voltage pulse number is greater than third predetermined threshold value, it is determined that cookware is non-ferromagnetic
Property；If high-voltage pulse number is less than or equal to third predetermined threshold value, and is greater than the 4th preset threshold, it is determined that cookware is weak ferromagnetic
Property；If high-voltage pulse number is less than or equal to the 4th preset threshold, it is determined that cookware is strong ferromagnetism.
In the technical scheme, single by determining using the high-voltage pulse signal from LC resonance unit as inspection pot signal
The number of high-voltage pulse may be implemented to determine the ferromagnetism of cookware in the time of position, be conducive to control module according to the ferromagnetic of cookware
Property, controlling corresponding heating component is heated, and heating effect is further improved, and meets the culinary art demand of user, is promoted
User experience.
Wherein, the 10ms-30ms that the second preset time can rise for spontaneous submitting pulse excitation signal, is also possible to sending out
2ms to 10ms this time range after sending out pulse excitation signal, third predetermined threshold value can be 2-6, the 4th preset threshold
It can be 10-15.
In any of the above-described technical solution, it is preferable that according to the ferromagnetism of cookware, control corresponding heating component and carry out
Heating, comprising: when cookware is strong ferromagnetism, control electromagnetic induction heating component is heated；When cookware is weak ferromagnetism,
It controls electromagnetic induction heating component and compensation heating component carries out Hybrid Heating；When cookware is nonferromagnetic, control compensation adds
Hot component is heated.
In the technical scheme, by the way that when cookware is strong ferromagnetism, control electromagnetic induction heating component is heated,
While meeting demand for heat, energy consumption is reduced, when cookware is weak ferromagnetism, control electromagnetic induction heating component and compensation add
Hot component carries out Hybrid Heating, reduces the generation for phenomena such as single electromagnetic induction heating component heating firepower is insufficient, is being promoted
While heating effect, electric energy is also saved, by the way that when cookware is nonferromagnetic, control compensation heating component is heated,
The heating to nonferromagnetic cookware is realized, the scope of application of heating device is improved, while being decreased using electromagnetic induction
Heating component carries out the generation of heating phenomena to nonferromagnetic cookware, has saved electric energy, has also improved the safety of heating device
Energy.
In any of the above-described technical solution, it is preferable that in the ferromagnetism according to cookware, control corresponding heating component into
Before row heating, further includes: obtain the cookware selection signal of operation panel according to the second predetermined period；It selects to believe according to cookware
Number, determine the thermal conductivity of cookware；When cookware is strong thermal conductivity, determine that compensation heating component is electric resistance heating assembly；Work as cookware
When for weak thermal conductivity, determine that compensation heating component is radiated wave heating component.
In the technical scheme, by obtaining the cookware selection signal of operation panel according to the second predetermined period, and pass through
Cookware selection signal determines the thermal conductivity of cookware, to determine that compensation heating component is electric resistance heating assembly or radiation Wave heating group
Part further improves the compensation heating effect of compensation heating component, reduces because compensation heating component is not applied for heating
The cookware placed on device and the generation for leading to waste of energy phenomenon, while also improving security performance, wherein thermal conductivity is strong
, such as the pot of metal class, when electromagnetic induction heating component is difficult to meet demand for heat, can by electric resistance heating assembly into
Row compensation heating, thermal conductivity is weak, generally refers to nonmetallic, such as glass cookware, ceramic cooker, can use radiation Wave heating group
Part is heated, and radiated wave heating component can be infrared heating component or microwave heating component, further improves heating dress
The heating effect set improves the widely applicable property of heating device.
Wherein, the second predetermined period can be 30s-1min, cookware selection signal be receive user triggering about
Then the signal of cookware type determines strong thermal conductivity or weak thermally conductive by the corresponding thermal conductivity of preset cookware type
Property, for example cookware type has glass boiler, ceramic pan, stainless-steel pan, iron pan, carbon steel pot, copper pot, default glass boiler, ceramic pan are
Weak inductive, presetting stainless-steel pan, iron pan, carbon steel pot, copper pot is strong electric conductivity.
In any of the above-described technical solution, it is preferable that in the LC resonance list according to the first predetermined period to inspection pot component
Member sends pulse excitation signal, and before obtaining corresponding inspection pot signal, further includes: detects whether place pot on heating device
Tool；When detecting heating starting signal, placing cooker is determined on heating device.
In the technical scheme, placing cooker is determined on heating device by detection heating starting signal, is reduced
The generation for but detecting cookware ferromagnetism phenomenon on heating device without pot, improves the security performance of heating device.
Additional aspect and advantage of the invention will provide in following description section, will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the schematic block diagram of heating device according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of cooking apparatus according to an embodiment of the invention；
Fig. 3 shows the schematic flow diagram of method for heating and controlling according to an embodiment of the invention；
Fig. 4 shows the schematic flow diagram of method for heating and controlling according to another embodiment of the invention,
Wherein, the corresponding relationship in Fig. 1 and Fig. 2 between appended drawing reference and component are as follows:
100 heating devices, 102 electromagnetic induction heating components, 104 compensation heating components, 106 inspection pot components, 108 control moulds
Block, 110 cooling fans, 112 operation panels.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Embodiment 1
Fig. 1 shows the schematic block diagram of heating device 100 according to an embodiment of the invention.
As shown in Figure 1, the heating device 100 of embodiment according to the present invention, comprising: 102 He of electromagnetic induction heating component
Heating component 104 is compensated, compensation heating component 104 includes radiated wave heating component and/or electric resistance heating assembly；Examine pot component
106, it is equipped with electromagnetic induction heating component 102 and compensation heating component 104, is placed on heating device 100 for detecting
The ferromagnetism of cookware is to generate inspection pot signal；Control module 108, control module 108 respectively with electromagnetic induction heating component 102,
It compensates heating component 104 and inspection pot component 106 is connected, control module 108 is used to receive inspection pot signal, and according to inspection pot signal
It determines the ferromagnetism of cookware, is heated with controlling corresponding heating component；Cooling fan 110, with electromagnetic induction heating component
102 are equipped with compensation heating component 104, and cooling fan 110 is connected with control module 108.
In this embodiment, by electromagnetic induction heating component 102 and compensation heating component 104, may be implemented according to
The demand for heat of the selection at family or the cookware detected automatically carries out single or mixing matching heating, improves heating device
100 scope of application and heating effect passes through what is be equipped with electromagnetic induction heating component 102 and compensation heating component 104
Pot component 106 is examined, the ferromagnetism of placing cooker on heating device 100 is can detecte to generate inspection pot signal, makes heating device 100
Corresponding heating component can be automatically controlled according to inspection pot signal to heat, improve the heating method switching of heating device 100
Intelligent level passes through what is be connected respectively with electromagnetic induction heating component 102, compensation heating component 104 and inspection pot component 106
Control module 108 can determine the ferromagnetism of cookware according to the inspection pot signal received, and according to inspection pot signal, to control phase
The heating component answered is heated, so that heating is matched with cookware, is improved heating effect, is reduced energy consumption, pass through radiation air
Machine 110 can be by electromagnetic induction heating component 102 and compensation heating component 104 heat that operation itself generates during heating
It sheds, improve electromagnetic induction heating component 102 and compensates the service life of heating component 104.
Wherein, compensation heating component 104 can be electric resistance heating assembly, be also possible to radiated wave heating component, can be with
It is the combination of the two, radiated wave heating component can be infrared heating component, be also possible to microwave heating component.
As shown in Figure 1, in the above embodiment, it is preferable that further include: operation panel 112 is connected with control module 108,
For receiving cookware selection signal and transmitting institute's cookware selection signal to control module 108, wherein control module 108 is according to pot
Tool selection signal determines the thermal conductivity of cookware, is heated with controlling corresponding compensation heating component 104.
In this embodiment, by the operation panel 112 being connected with control module 108, it can receive cookware selection signal,
And cookware selection signal is transferred to control module 108, control module 108 can determine the class of cookware according to cookware selection signal
Type and thermal conductivity, and then control corresponding compensation heating component 104 and heated, so that the heating of compensation heating component 104
While compensating the single heating of electromagnetic induction heating component 102 firepower deficiency, the energy of compensation heating component 104 is also reduced
Consumption, further increases the heating effect of heating device 100.
Specifically, the good cookware of thermal conductivity can use electric resistance heating assembly to compensate as compensation heating component 104 and add
Heat, such as stainless-steel pan, iron pan etc., poor thermal conductivity, the good cookware of the penetrability to radiated wave can use radiated wave heating component,
Such as glass boiler, ceramic pan etc..
Embodiment 2
Operation panel 112 includes: selection key, is connected with control module 108, touches the cookware generated for receiving user
Selection signal.
In this embodiment, user is received by the selection key being connected with control module 108 touches the cookware generated
Selection signal realizes according to the user's choice come the determination for carrying out corresponding heating component, further improves heating effect
And user experience.
Specifically, the type of cookware, such as glass boiler, ceramic pan, stainless-steel pan, iron can be labeled with above selection key
Pot, carbon steel pot, copper pot, user can be placed on the type of the cookware on heating device 100 according to oneself, to press relevant choosing
Select key.
Embodiment 3
Operation panel 112 includes: communication unit, is connected with control module 108, remotely controls generation for receiving user
Cookware selection signal.
In this embodiment, by the communication unit with control module 108, it can receive the pot that user remotely controls generation
Have selection signal, improves the ease of use of heating device 100, the timing heated of heating device 100 may be implemented.
Wherein, communication unit can be bluetooth, Wifi, NFC.
In any of the above-described embodiment, it is preferable that inspection pot component 106 includes: LC resonance unit, with control module 108
It is connected, for oscillation circuit being formed, to detect on heating device 100 when receiving the pulse excitation signal of control module 108
The ferromagnetism of the cookware of placement；Acquisition unit is connected with LC resonance unit and control module 108 respectively, for according to oscillation
Circuit generates inspection pot signal, concurrent inspection pot signal to control module 108.
In this embodiment, by the LC resonance unit being connected with control module 108, control module can received
When 108 pulse excitation signal, oscillation circuit is formed, eddy current effect is generated with the cookware being placed on heating device 100, it is ferromagnetic
When property is stronger, eddy current effect is stronger, and the free energy loss in oscillation circuit is faster, can detect heating device 100 with this
The ferromagnetism of the cookware of upper placement passes through the acquisition unit being connected respectively with LC resonance unit and control module 108, Ke Yigen
Inspection pot signal is generated according to oscillation circuit, concurrent inspection pot signal to control module 108 realizes the generation of inspection pot signal and adopts
Collection improves the accuracy of inspection pot signal, is conducive to control module 108 and accurately judges the ferromagnetism of cookware, to control
Corresponding heating component is heated, and heating effect is further improved, and is met the culinary art demand of user, is improved user's body
It tests.
Wherein, inspection pot component 106 can also share a LC resonance unit with electromagnetic induction heating component 102.
Embodiment 4
Acquisition unit includes: current transformer, and the primary side of current transformer is connected with LC resonance unit, for that will vibrate
The first current signal in circuit is converted into the second current signal in proportion；Current sampling circuit is connected to current transformer
Secondary side, the other end of current sampling circuit are connected to control module 108, for being sent to control mould for the second current signal
Block 108, wherein inspection pot signal includes the second current signal, and control module 108 is believed according to the second electric current in the first preset time
Number amplitude changing value determine the ferromagnetism of cookware.
In this embodiment, by being adopted with the current transformer of LC resonance unit and the electric current being connect with current transformer
Sample circuit realizes the acquisition of current signal when forming resonant tank to LC resonance unit, this second as acquisition unit
The amplitude of current signal is heated the influence for the cookware placed on device 100, according to the amplitude changing value of the second current signal
The ferromagnetism that determining cookware may be implemented, is conducive to control module 108 according to the ferromagnetism of cookware, controls corresponding heating component
It is heated, further improves heating effect, meet the culinary art demand of user, the user experience is improved.
Embodiment 5
Acquisition unit includes: comparator, is connected with LC resonance unit, for generating synchronization according to the voltage in oscillation circuit
High-voltage pulse signal, comparator is connected with control module 108, for sending institute's control module 108 for high-voltage pulse signal,
Wherein, the high-voltage pulse number that control module 108 includes according to the high-voltage pulse signal in the second preset time determines cookware
Ferromagnetism.
In this embodiment, by with the concatenated comparator of LC resonance unit, can be produced according to the voltage in oscillation circuit
Raw synchronous high-voltage pulse signal realizes the acquisition of voltage signal when forming resonant tank to LC resonance unit, due to whirlpool
Stream effect is stronger, and the voltage magnitude decaying in resonant tank is faster, may be implemented according to the number of high-voltage pulse in the unit time
The ferromagnetism for determining cookware is conducive to control module 108 according to the ferromagnetism of cookware, controls corresponding heating component and added
Heat further improves heating effect, meets the culinary art demand of user, the user experience is improved.
In any of the above-described embodiment, it is preferable that further include: display, display are connected with control module 108, use
Correspond to the heating power of heating component in display.
In this embodiment, by the display being connected with control module 108, adding corresponding to heating component can be shown
Thermal power is conducive to user and gets information about current heating state, is conducive to user and makes according to their own needs accordingly
Adjustment, meanwhile, it is also beneficial to user and notes abnormalities in time heating state, improve the security performance of heating device 100.
Embodiment 6
Fig. 2 shows the schematic block diagrams of cooking apparatus 200 according to an embodiment of the invention.
As shown in Fig. 2, the cooking apparatus 200 of embodiment according to the present invention, comprising: the embodiment of aforementioned present invention mentions
The heating device 100 of any one out.
In this embodiment, cooking apparatus 200 includes the heating device for any one that embodiments of the invention described above propose
100, therefore whole beneficial effects of the heating device 100 of any one with embodiments of the invention described above proposition, herein not
It repeats again.
In the above embodiment, it is preferable that cooking apparatus 200 is one of electromagnetic oven, electromagnetism rice cooker, electromagnetic water kettle.
Embodiment 7
Fig. 3 shows the schematic flow diagram of method for heating and controlling according to an embodiment of the invention.
As shown in figure 3, the method for heating and controlling of embodiment according to the present invention, mentions suitable for embodiments of the invention described above
The cooking apparatus for any one that the heating device and embodiments of the invention described above of any one out propose, method for heating and controlling packet
Include: step S302 sends pulse excitation signal to the LC resonance unit of inspection pot component according to the first predetermined period, and obtains correspondence
Inspection pot signal；Step S304 determines the ferromagnetism for the cookware placed on heating device according to inspection pot signal；Step S306, root
According to the ferromagnetism of cookware, controls corresponding heating component and heated.
In this embodiment, by sending pulse excitation letter to the LC resonance unit of inspection pot component according to the first predetermined period
Number, and corresponding inspection pot signal is obtained, the periodic detection to cookware is realized, it is automatic according to inspection pot signal to be conducive to control module
Switch heating method, by determining the ferromagnetism for the cookware placed on heating device, and according to the iron of cookware according to inspection pot signal
Magnetism controls corresponding heating component and is heated, so that heating matches with cookware, on the one hand, heating effect is improved, it is full
On the other hand the foot culinary art demand of user reduces energy consumption, in another aspect, realizing in user's use process, for pot
Have characteristic and select suitable heating method, reduces the fussy degree for needing to manually select heating method in cooking process.
Wherein, the first predetermined period can be set to 30s-1min.
In the above embodiment, it is preferable that inspection pot signal includes the second current signal from LC resonance unit, according to inspection
Pot signal, determines the ferromagnetism for the cookware placed on heating device, comprising: determine the second current signal in the first preset time
Amplitude changing value；If amplitude changing value is greater than the first preset threshold, it is determined that cookware is strong ferromagnetism；If amplitude changing value is small
In or be equal to the first preset threshold, and be greater than the second preset threshold, it is determined that cookware is weak ferromagnetism；If amplitude changing value is less than
Or it is equal to the second preset threshold, it is determined that cookware is nonferromagnetic.
In this embodiment, using the second current signal from LC resonance unit as inspection pot signal, to determine heating dress
The ferromagnetism for setting the cookware of placement, by determining the amplitude changing value of the second current signal in the first preset time, and root
The ferromagnetism that the cookware placed on heating device is determined according to the size of this amplitude changing value, realizes and puts on heating device
The ferromagnetic determination for the cookware set is conducive to control module according to the ferromagnetism of cookware, controls corresponding heating component and carry out
Heating, further improves heating effect, meets the culinary art demand of user, the user experience is improved.
Wherein, the 10ms-30ms that the first preset time can rise for spontaneous submitting pulse excitation signal, is also possible to sending out
2ms to 10ms this time range after sending out pulse excitation signal, amplitude changing value refer to the maximum in the first preset time
Difference between current signal amplitude and minimum current signal amplitude, the first preset threshold and the second preset threshold are according to providing
The initial current signal amplitude of pulse excitation signal determines, the second preset threshold can be 0 or to be slightly larger than 0, i.e., first is pre-
If current signal amplitude is almost unchanged in the time, it is believed that cookware is nonferromagnetic.
In any of the above-described embodiment, it is preferable that inspection pot signal includes the high-voltage pulse signal from LC resonance unit,
According to inspection pot signal, the material for the cookware placed on heating device is determined, comprising: determine the high-voltage pulse in the second preset time
The high-voltage pulse number that signal includes；If high-voltage pulse number is greater than third predetermined threshold value, it is determined that cookware is nonferromagnetic；If
High-voltage pulse number is less than or equal to third predetermined threshold value, and is greater than the 4th preset threshold, it is determined that cookware is weak ferromagnetism；If
High-voltage pulse number is less than or equal to the 4th preset threshold, it is determined that cookware is strong ferromagnetism.
In this embodiment, using the high-voltage pulse signal from LC resonance unit as inspection pot signal, by determining unit
The number of high-voltage pulse may be implemented to determine the ferromagnetism of cookware in time, be conducive to control module according to the ferromagnetism of cookware,
It controls corresponding heating component to be heated, further improves heating effect, meet the culinary art demand of user, improve use
Family experience.
Wherein, the 10ms-30ms that the second preset time can rise for spontaneous submitting pulse excitation signal, is also possible to sending out
2ms to 10ms this time range after sending out pulse excitation signal, third predetermined threshold value can be 2-6, the 4th preset threshold
It can be 10-15.
In any of the above-described embodiment, it is preferable that according to the ferromagnetism of cookware, control corresponding heating component and added
Heat, comprising: when cookware is strong ferromagnetism, control electromagnetic induction heating component is heated；When cookware is weak ferromagnetism, control
Electromagnetic induction heating component processed and compensation heating component carry out Hybrid Heating；When cookware is nonferromagnetic, control compensation heating
Component is heated.
In this embodiment, by the way that when cookware is strong ferromagnetism, control electromagnetic induction heating component is heated, full
While sufficient demand for heat, energy consumption is reduced, when cookware is weak ferromagnetism, control electromagnetic induction heating component and compensation heating
Component carries out Hybrid Heating, reduces the generation for phenomena such as single electromagnetic induction heating component heating firepower is insufficient, adds being promoted
While thermal effect, electric energy is also saved, by the way that when cookware is nonferromagnetic, control compensation heating component is heated, real
The heating to nonferromagnetic cookware is showed, has improved the scope of application of heating device, while having decreased and being added using electromagnetic induction
Hot component carries out the generation of heating phenomena to nonferromagnetic cookware, has saved electric energy, has also improved the security performance of heating device.
In any of the above-described embodiment, it is preferable that in the ferromagnetism according to cookware, control corresponding heating component and carry out
Before heating, further includes: obtain the cookware selection signal of operation panel according to the second predetermined period；According to cookware selection signal,
Determine the thermal conductivity of cookware；When cookware is strong thermal conductivity, determine that compensation heating component is electric resistance heating assembly；When cookware is weak
When thermal conductivity, determine that compensation heating component is radiated wave heating component.
In this embodiment, by obtaining the cookware selection signal of operation panel according to the second predetermined period, and pass through pot
Have selection signal, determine the thermal conductivity of cookware, come determine compensation heating component be electric resistance heating assembly or radiated wave heating component,
The compensation heating effect of compensation heating component is further improved, is reduced because compensation heating component is not applied for heating device
The cookware of upper placement and the generation for leading to waste of energy phenomenon, while also improving security performance, wherein thermal conductivity is strong, than
As the pot of metal class can be mended when electromagnetic induction heating component is difficult to meet demand for heat by electric resistance heating assembly
Repay heating, thermal conductivity is weak, generally refer to nonmetallic, such as glass cookware, ceramic cooker, can with radiated wave heating component into
Row heating, radiated wave heating component can be infrared heating component or microwave heating component, further improve heating device
Heating effect improves the widely applicable property of heating device.
Wherein, the second predetermined period can be 30s-1min, cookware selection signal be receive user triggering about
Then the signal of cookware type determines strong thermal conductivity or weak thermally conductive by the corresponding thermal conductivity of preset cookware type
Property, for example cookware type has glass boiler, ceramic pan, stainless-steel pan, iron pan, carbon steel pot, copper pot, default glass boiler, ceramic pan are
Weak inductive, presetting stainless-steel pan, iron pan, carbon steel pot, copper pot is strong electric conductivity.
In any of the above-described embodiment, it is preferable that in the LC resonance unit according to the first predetermined period to inspection pot component
Send pulse excitation signal, and before obtaining corresponding inspection pot signal, further includes: detect on heating device whether placing cooker；
When detecting heating starting signal, placing cooker is determined on heating device.
In this embodiment, placing cooker is determined on heating device by detection heating starting signal, reduce plus
The generation for but detecting cookware ferromagnetism phenomenon in thermal without pot, improves the security performance of heating device.
Embodiment 8
Fig. 4 shows the schematic flow diagram of method for heating and controlling according to another embodiment of the invention.
As shown in figure 4, the method for heating and controlling of embodiment according to the present invention, comprising: step S402 is powered on, step
Does S404, standby, subsequently into step S406, user press heating starting key? if the judgment is No, then it enters step
S408, initial decision is non-placing cooker, and is returned, and if the judgment is Yes, then enters step S410, initial decision is to place pot
Do tool, starting impulse sentence a pot program, and step S412, MCU read the quantity of pulse feedback, within the scope of setting number of pulses? if
It is determined as it being then to enter step S414, is judged as and places ferromagnetism cookware, step S418, starting electromagnetic induction heating component, red
The combined heated of external heat component, and returning, if it is decided that be it is no, then enter step S416, be judged as and place nonferromagnetic pot
Tool, step S420 starts the single heating of infrared heating component, and returns.It should be noted that infrared heating component is compensation
Heating component can also be replaced with microwave heating component or electric resistance heating assembly.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and the invention proposes a kind of heating devices, culinary art
Utensil and method for heating and controlling, by inspection pot component detection heating device on placing cooker ferromagnetism generate inspection pot signal and
Control module determines the ferromagnetism of cookware according to inspection pot signal, and automatically controls corresponding electromagnetic induction heating component and/or benefit
It repays heating component to be heated, improves the degree of automation of heating method switching, improve the heating effect of cooking apparatus, make
It obtains cooking apparatus and is suitable for a plurality of types of cookwares, and then the user experience is improved.
Step in the method for the present invention can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in apparatus of the present invention can be combined, divided, and deleted according to actual needs.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium includes read-only memory, random access memory, programmable read only memory, Erasable Programmable Read Only Memory EPROM, once may be used
Program read-only memory, the electronics formula of erasing can make carbon copies read-only memory, CD-ROM or other disc memories, disk storage
Device, magnetic tape storage or any other the computer-readable medium that can be used in carrying or storing data.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as indicating
Or imply relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " installation ",
The terms such as " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, being also possible to can
Dismantling connection, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In description of the invention, it is to be understood that the instructions such as term " on ", "lower", "left", "right", "front", "rear"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation,
It is thus impossible to be interpreted as limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of heating device characterized by comprising
Electromagnetic induction heating component and compensation heating component, the compensation heating component includes radiated wave heating component and/or electricity
Hinder heating component；
Pot component is examined, is equipped with the electromagnetic induction heating component and the compensation heating component, for detecting described add
The ferromagnetism of placing cooker is in thermal to generate inspection pot signal；
Control module, the control module respectively with the electromagnetic induction heating component, the compensation heating component and described
It examines pot component to be connected, the control module determines the cookware according to the inspection pot signal for receiving the inspection pot signal
Ferromagnetism, heated with controlling corresponding heating component；
Cooling fan is equipped with the electromagnetic induction heating component and the compensation heating component, the cooling fan with
The control module is connected.
2. heating device according to claim 1, which is characterized in that further include:
Operation panel is connected with the control module, for receiving cookware selection signal and transmitting institute's cookware selection signal to institute
Control module is stated,
Wherein, the control module determines the thermal conductivity of the cookware according to the cookware selection signal, to control corresponding mend
Heating component is repaid to be heated.
3. heating device according to claim 2, which is characterized in that the operation panel includes:
Selection key is connected with the control module, touches the cookware selection signal generated for receiving user.
4. heating device according to claim 2, which is characterized in that the operation panel includes:
Communication unit is connected with the control module, and the cookware selection signal of generation is remotely controlled for receiving user.
5. heating device according to any one of claim 1 to 4, which is characterized in that the inspection pot component includes:
LC resonance unit is connected with the control module, for when receiving the pulse excitation signal of the control module, shape
At oscillation circuit, to detect the ferromagnetism for the cookware placed on the heating device；
Acquisition unit is connected with the LC resonance unit and the control module respectively, for raw according to the oscillation circuit
At the inspection pot signal, and the inspection pot signal is sent to the control module.
6. heating device according to claim 5, which is characterized in that the acquisition unit includes:
Current transformer, the primary side of the current transformer are connected with the LC resonance unit, are used for the oscillation circuit
The first interior current signal is converted into the second current signal in proportion；
Current sampling circuit, is connected to the secondary side of the current transformer, and the other end of the current sampling circuit is connected to
The control module, for being sent to the control module for second current signal,
Wherein, the inspection pot signal includes second current signal, and the control module is according in the first preset time
The amplitude changing value of two current signals determines the ferromagnetism of the cookware.
7. heating device according to claim 5, which is characterized in that the acquisition unit includes:
Comparator is connected with the LC resonance unit, for generating synchronous high-tension pulse according to the voltage in the oscillation circuit
Signal is rushed, the comparator is connected with the control module, for sending institute's control module for the high-voltage pulse signal,
Wherein, the high-voltage pulse number that the control module includes according to the high-voltage pulse signal in the second preset time determines institute
State the ferromagnetism of cookware.
8. heating device according to any one of claim 1 to 4, which is characterized in that further include:
Display, the display are connected with the control module, for showing the heating power for corresponding to heating component.
9. a kind of cooking apparatus characterized by comprising
Such as heating device described in any item of the claim 1 to 8.
10. cooking apparatus according to claim 9, which is characterized in that
The cooking apparatus is one of electromagnetic oven, electromagnetism rice cooker, electromagnetic water kettle.
11. a kind of method for heating and controlling is suitable for heating device described in any item of the claim 1 to 8 and/or claim
Cooking apparatus described in 9 or 10, which is characterized in that the method for heating and controlling, comprising:
Pulse excitation signal is sent to the LC resonance unit of inspection pot component according to the first predetermined period, and obtains corresponding inspection pot letter
Number；
According to the inspection pot signal, the ferromagnetism for the cookware placed on the heating device is determined；
According to the ferromagnetism of the cookware, controls corresponding heating component and heated.
12. method for heating and controlling according to claim 11, which is characterized in that the inspection pot signal includes coming from the LC
Second current signal of resonant element, it is described according to the inspection pot signal, determine the iron for the cookware placed on the heating device
It is magnetic, comprising:
Determine the amplitude changing value of second current signal in the first preset time；
If the amplitude changing value is greater than the first preset threshold, it is determined that the cookware is strong ferromagnetism；
If the amplitude changing value is less than or equal to first preset threshold, and is greater than the second preset threshold, it is determined that described
Cookware is weak ferromagnetism；
If the amplitude changing value is less than or equal to second preset threshold, it is determined that the cookware is nonferromagnetic.
13. method for heating and controlling according to claim 11, which is characterized in that the inspection pot signal includes coming from the LC
The high-voltage pulse signal of resonant element, it is described according to the inspection pot signal, determine the material for the cookware placed on the heating device
Matter, comprising:
Determine the high-voltage pulse number that the high-voltage pulse signal in the second preset time includes；
If the high-voltage pulse number is greater than third predetermined threshold value, it is determined that the cookware is nonferromagnetic；
If the high-voltage pulse number is less than or equal to the third predetermined threshold value, and is greater than the 4th preset threshold, it is determined that institute
Stating cookware is weak ferromagnetism；
If the high-voltage pulse number is less than or equal to the 4th preset threshold, it is determined that the cookware is strong ferromagnetism.
14. method for heating and controlling described in any one of 1 to 13 according to claim 1, which is characterized in that described according to the pot
The ferromagnetism of tool controls corresponding heating component and is heated, comprising:
When the cookware is strong ferromagnetism, control electromagnetic induction heating component is heated；
When the cookware is weak ferromagnetism, controls the electromagnetic induction heating component and compensation heating component carries out mixing and adds
Heat；
When the cookware is nonferromagnetic, controls the compensation heating component and heated.
15. method for heating and controlling according to claim 14, which is characterized in that described according to the ferromagnetic of the cookware
Property controls before corresponding heating component heated, further includes:
The cookware selection signal of operation panel is obtained according to the second predetermined period；
According to the cookware selection signal, the thermal conductivity of the cookware is determined；
When the cookware is strong thermal conductivity, determine that the compensation heating component is electric resistance heating assembly；
When the cookware is weak thermal conductivity, determine that the compensation heating component is radiated wave heating component.
16. method for heating and controlling described in any one of 1 to 13 according to claim 1, which is characterized in that described according to first
Predetermined period sends pulse excitation signal to the LC resonance unit of inspection pot component, and before obtaining corresponding inspection pot signal, also wraps
It includes:
Detect heating device on whether placing cooker；
When detecting heating starting signal, placing cooker is determined on the heating device.
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| CN201711350662.1A CN109931631B (en) | 2017-12-15 | 2017-12-15 | Heating device, cooking utensil and heating control method |
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| CN201711350662.1A CN109931631B (en) | 2017-12-15 | 2017-12-15 | Heating device, cooking utensil and heating control method |
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