CN109392206A - Method for heating and controlling, heating control apparatus and cooking apparatus - Google Patents
Method for heating and controlling, heating control apparatus and cooking apparatus Download PDFInfo
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- CN109392206A CN109392206A CN201710671509.2A CN201710671509A CN109392206A CN 109392206 A CN109392206 A CN 109392206A CN 201710671509 A CN201710671509 A CN 201710671509A CN 109392206 A CN109392206 A CN 109392206A
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- voltage signal
- analog voltage
- performance number
- heating
- duty ratio
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
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- Electromagnetism (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The present invention provides a kind of method for heating and controlling, heating control apparatus and cooking apparatus, wherein method for heating and controlling includes: after obtaining the heating instructions for specifying performance number, to detect the analog voltage signal of input；According to the corresponding relationship of any specified performance number Imitating voltage signal and target duty ratio, the corresponding target duty ratio of any analog voltage signal under specified performance number is determined.Technical solution of the present invention does not need real time monitoring voltage and current to guarantee power stability, not only simplifies the hardware configuration of heating control circuit and reduces costs, but also improves the reliability of power control.
Description
Technical field
The present invention relates to heating control technology fields, in particular to a kind of method for heating and controlling, a kind of computer heating control
Device and a kind of cooking apparatus.
Background technique
In the related technology, it is based on the development of IH (Induction Heating, induction heating) technology, is come into being a variety of
HI cooking apparatus, such as IH electric cooker, IH electromagnetic oven, HI insulating pot and IH pressure cooker etc. need to realize that firm power heats
It collection voltages signal and current signal to adjust in real time simultaneously, specifically, need that electric current is arranged in heating control circuit and adopt
Egf block and voltage sample module then include at least following technological deficiency:
(1) hardware configuration of heating control circuit is complicated, improves manufacturing cost；
(2) not only need real-time calculated current signal and the product of voltage signal to determine realtime power, but also to electric current
The time synchronization characteristic requirements of signal and voltage signal are relatively high, may influence firm power heating process if the two lock-out
Reliability.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, a kind of new heating control scheme is proposed, by appointing
The corresponding relationship of one specified performance number Imitating voltage signal and target duty ratio adjusts target duty ratio in real time, to guarantee
Invariable power heating, simplifies the hardware configuration of heating control circuit, does not need setting current sampling module especially, therefore,
Manufacturing cost is reduced, in addition, it is not necessary that ensuring the time synchronization between voltage signal and current signal, improves computer heating control
The reliability of scheme.
To achieve the goals above, the technical solution of first aspect present invention provides a kind of method for heating and controlling, comprising:
After the heating instructions for obtaining specified performance number, the analog voltage signal of input is detected；According to any specified performance number Imitating
The corresponding relationship of voltage signal and target duty ratio determines the corresponding target of any analog voltage signal under specified performance number
Duty ratio.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, wherein duty ratio refers to PWM (Pulse
Width Modulation, pulse width modulation) duty ratio, do not need real time monitoring voltage and current and guarantee that power is steady
It is fixed, which not only simplifies the hardware configuration of heating control circuit and reduce costs, but also improve power control can
By property.
Wherein, when establishing above-mentioned corresponding relationship, power meter, power meter are set in the load input terminal of heating control circuit
Realtime power value can be read directly, namely after determining specified performance number, after obtaining any analog voltage signal, adjustment is accounted for
It is empty more equal with specified performance number than the realtime power value to power meter, namely each corresponding one group of corresponding relationship of specified performance number
Table includes the one-to-one relationship between analog voltage signal and target duty ratio in mapping table.
In addition, it will be appreciated to those of skill in the art that heating instructions include at least one specified performance number, Yi Jizhan
Sky than be it is positively related with performance number, duty ratio switches on-off switch typically as pulse control, and pulse control, which switchs, to be controlled
The working time (i.e. effectively heating duration) of heating control circuit processed, pulse control switch can be silicon-controlled and relay etc..
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: in any finger
Determine under performance number, obtains analog voltage signal to be tested；When inputting analog voltage signal to be tested, control duty ratio by
Zero improves target duty ratio, so as to detect that output power value is equal with specified performance number.
In the technical scheme, under any specified performance number, when according to analog voltage signal to be tested, duty is controlled
Than improving target duty ratio by zero, so as to detect that output power value is equal with specified performance number, acquisition current signal is not needed,
And the corresponding relationship between analog voltage signal and target duty ratio is directly established, improve the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that above-mentioned method for heating and controlling, further includes: believe analog voltage to be tested
Number be converted to corresponding digital voltage signal；Store analog voltage signal to be tested and digital voltage signal first corresponding is closed
Second corresponding relationship of system and digital voltage signal and target duty ratio, wherein corresponding relationship includes any specified performance number
Under the first corresponding relationship and the second corresponding relationship.
In the technical scheme, since pulse-modulated signal (according to target duty than output) is usually by single-chip microcontroller, micro-
What the controllers such as processor or embedded device generated, therefore, it is necessary to initially set up analog voltage signal and digital voltage signal
Between the first corresponding relationship, in the second corresponding relationship for continuing to establish digital voltage signal Yu target duty ratio, digital voltage
Signal as can by controller identify input signal further improve heating control scheme since its interference noise is low
Reliability.
It is as shown in table 1 specific corresponding to relationship, wherein n is greater than or equal to 0, u1~u1+nFor analog voltage signal, number
Voltage signal U1~U1+nFor corresponding digital voltage signal, X1~X1+nIt is one between above-mentioned three for corresponding target duty ratio
One corresponding relationship.
It is P that table 1, which specifies performance number,1When, the merging table of the first corresponding relationship and the second corresponding relationship
| Analog voltage signal u (V) | Digital voltage signal U (V) | Target duty ratio X |
| u1 | U1 | X1 |
| u1+1 | U1+1 | X1+1 |
| u1+2 | U1+2 | X1+2 |
| ….. | ….. | ….. |
| u1+n | U1+n | X1+n |
In the above-mentioned technical solutions, it is preferable that according to any specified performance number Imitating voltage signal and target duty ratio
Corresponding relationship, determine the corresponding target duty ratio of any analog voltage signal under specified performance number, specifically include: according to
First corresponding relationship determines the corresponding digital voltage signal of analog voltage signal of input；According to digital voltage signal and second
Corresponding relationship determines the corresponding target duty ratio of analog voltage signal of input.
In the technical scheme, between being established between analog voltage signal and target duty ratio by digital analogue signal
Connect corresponding relationship, response speed block and high reliablity.
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: preset any
The specified corresponding analog voltage signal range of performance number, wherein the analog voltage signal of input belongs to analog voltage signal range.
In the technical scheme, by presetting the corresponding analog voltage signal range of any specified performance number, further
The safety of heating control scheme is improved, specifically, the analog voltage signal of such as input belongs to analog voltage signal range, then
Corresponding target duty ratio can be determined according to corresponding relationship, the analog voltage signal of such as input is not belonging to analog voltage signal model
It encloses, then exporting target duty ratio can be zero, namely stop computer heating control process, to reduce computer heating control caused by voltage fluctuation
The hardware damage of circuit.
Embodiment according to the second aspect of the invention proposes a kind of heating control apparatus, comprising: receiving unit is used
After the heating instructions for obtaining specified performance number, the analog voltage signal of input is detected；Determination unit, for according to any finger
Determine the corresponding relationship of performance number Imitating voltage signal Yu target duty ratio, determines any analog voltage signal under specified performance number
Corresponding target duty ratio.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, wherein duty ratio refers to PWM (Pulse
Width Modulation, pulse width modulation) duty ratio, do not need real time monitoring voltage and current and guarantee that power is steady
It is fixed, which not only simplifies the hardware configuration of heating control circuit and reduce costs, but also improve power control can
By property.
Wherein, when establishing above-mentioned corresponding relationship, power meter, power meter are set in the load input terminal of heating control circuit
Realtime power value can be read directly, namely after determining specified performance number, after obtaining any analog voltage signal, adjustment is accounted for
It is empty more equal with specified performance number than the realtime power value to power meter, namely each corresponding one group of corresponding relationship of specified performance number
Table includes the one-to-one relationship between analog voltage signal and target duty ratio in mapping table.
In addition, it will be appreciated to those of skill in the art that heating instructions include at least one specified performance number, Yi Jizhan
Sky than be it is positively related with performance number, duty ratio switches on-off switch typically as pulse control, and pulse control, which switchs, to be controlled
The working time (i.e. effectively heating duration) of heating control circuit processed, pulse control switch can be silicon-controlled and relay etc..
In the above-mentioned technical solutions, it is preferable that receiving unit is also used to: under any specified performance number, obtaining to be tested
Analog voltage signal；Heating control apparatus further include: control unit, for when inputting analog voltage signal to be tested,
It controls duty ratio and improves target duty ratio by zero, so as to detect that output power value is equal with specified performance number.
In the technical scheme, under any specified performance number, when according to analog voltage signal to be tested, duty is controlled
Than improving target duty ratio by zero, so as to detect that output power value is equal with specified performance number, acquisition current signal is not needed,
And the corresponding relationship between analog voltage signal and target duty ratio is directly established, improve the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that heating control apparatus, further includes: AD conversion unit, being used for will be to be tested
Analog voltage signal be converted to corresponding digital voltage signal；Storage unit, for storing analog voltage signal to be tested
With the first corresponding relationship and digital voltage signal of digital voltage signal and the second corresponding relationship of target duty ratio, wherein
Corresponding relationship includes the first corresponding relationship and the second corresponding relationship under any specified performance number.
In the technical scheme, since pulse-modulated signal (according to target duty than output) is usually by single-chip microcontroller, micro-
What the controllers such as processor or embedded device generated, therefore, it is necessary to initially set up analog voltage signal and digital voltage signal
Between the first corresponding relationship, in the second corresponding relationship for continuing to establish digital voltage signal Yu target duty ratio, digital voltage
Signal as can by controller identify input signal further improve heating control scheme since its interference noise is low
Reliability.
It is as shown in table 1 specific corresponding to relationship, wherein n is greater than or equal to 0, u1~u1+nFor analog voltage signal, number
Voltage signal U1~U1+nFor corresponding digital voltage signal, X1~X1+nIt is one between above-mentioned three for corresponding target duty ratio
One corresponding relationship.
In the above-mentioned technical solutions, it is preferable that determination unit is also used to: according to the first corresponding relationship, determining the mould of input
The quasi- corresponding digital voltage signal of voltage signal；Determination unit is also used to: according to digital voltage signal and the second corresponding relationship, really
Surely the corresponding target duty ratio of the analog voltage signal inputted.
In the technical scheme, between being established between analog voltage signal and target duty ratio by digital analogue signal
Connect corresponding relationship, response speed block and high reliablity.
In the above-mentioned technical solutions, it is preferable that heating control apparatus, further includes: default unit, it is any specified for presetting
The corresponding analog voltage signal range of performance number, wherein the analog voltage signal of input belongs to analog voltage signal range.
In the technical scheme, by presetting the corresponding analog voltage signal range of any specified performance number, further
The safety of heating control scheme is improved, specifically, the analog voltage signal of such as input belongs to analog voltage signal range, then
Corresponding target duty ratio can be determined according to corresponding relationship, the analog voltage signal of such as input is not belonging to analog voltage signal model
It encloses, then exporting target duty ratio can be zero, namely stop computer heating control process, to reduce computer heating control caused by voltage fluctuation
The hardware damage of circuit.
Embodiment according to the third aspect of the invention we proposes a kind of cooking apparatus, comprising: heating component；Heating control
The output end of device processed is connected to the load input terminal of heating component, and the input terminal of heating control apparatus is connected to analog voltage letter
Number input terminal.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, do not need real time monitoring voltage and current
Guarantee power stability, which not only simplifies the hardware configuration of heating control circuit and reduces costs, but also improve
The reliability of power control.
In the above-mentioned technical solutions, it is preferable that the heating component of cooking apparatus includes electromagnetic heating coil.
Advantages of the present invention will provide in following description section, partially will become apparent from the description below, 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 flow diagram of method for heating and controlling according to an embodiment of the invention；
Fig. 2 shows the schematic block diagrams of heating control apparatus according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of cooking apparatus according to an embodiment of the invention.
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.
Fig. 1 shows the schematic flow diagram of method for heating and controlling according to an embodiment of the invention.
As shown in Figure 1, the method for heating and controlling of embodiment according to the present invention, comprising: step S102 obtains specified power
After the heating instructions of value, the analog voltage signal of input is detected；Step S104, according to any specified performance number Imitating voltage
The corresponding relationship of signal and target duty ratio determines the corresponding target duty of any analog voltage signal under specified performance number
Than.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, wherein duty ratio refers to PWM (Pulse
Width Modulation, pulse width modulation) duty ratio, it does not need to monitor voltage and current in real time to guarantee power stability,
It which not only simplifies the hardware configuration of heating control circuit and reduces costs, but also improves the reliable of power control
Property, wherein when establishing above-mentioned corresponding relationship, power meter is set in the load input terminal of heating control circuit, power meter can be with
Realtime power value is directly read, namely after determining specified performance number, after obtaining any analog voltage signal, adjusts duty ratio
Realtime power value to power meter is equal with specified performance number, namely each corresponding one group of mapping table of specified performance number, right
It answers in relation table including the one-to-one relationship between analog voltage signal and target duty ratio.
In addition, it will be appreciated to those of skill in the art that heating instructions include at least one specified performance number, Yi Jizhan
Sky than be it is positively related with performance number, duty ratio switches on-off switch typically as pulse control, and pulse control, which switchs, to be controlled
The working time (i.e. effectively heating duration) of heating control circuit processed, pulse control switch can be silicon-controlled and relay etc..
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: in any finger
Determine under performance number, obtains analog voltage signal to be tested；When inputting analog voltage signal to be tested, control duty ratio by
Zero improves target duty ratio, so as to detect that output power value is equal with specified performance number.
In the technical scheme, under any specified performance number, when according to analog voltage signal to be tested, duty is controlled
Than improving target duty ratio by zero, so as to detect that output power value is equal with specified performance number, acquisition current signal is not needed,
And the corresponding relationship between analog voltage signal and target duty ratio is directly established, improve the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that above-mentioned method for heating and controlling, further includes: believe analog voltage to be tested
Number be converted to corresponding digital voltage signal；Store analog voltage signal to be tested and digital voltage signal first corresponding is closed
Second corresponding relationship of system and digital voltage signal and target duty ratio, wherein corresponding relationship includes any specified performance number
Under the first corresponding relationship and the second corresponding relationship.
In the technical scheme, since pulse-modulated signal (according to target duty than output) is usually by single-chip microcontroller, micro-
What the controllers such as processor or embedded device generated, therefore, it is necessary to initially set up analog voltage signal and digital voltage signal
Between the first corresponding relationship, in the second corresponding relationship for continuing to establish digital voltage signal Yu target duty ratio, digital voltage
Signal as can by controller identify input signal further improve heating control scheme since its interference noise is low
Reliability.
In the above-mentioned technical solutions, it is preferable that according to any specified performance number Imitating voltage signal and target duty ratio
Corresponding relationship, determine the corresponding target duty ratio of any analog voltage signal under specified performance number, specifically include: according to
First corresponding relationship determines the corresponding digital voltage signal of analog voltage signal of input；According to digital voltage signal and second
Corresponding relationship determines the corresponding target duty ratio of analog voltage signal of input.
In the technical scheme, between being established between analog voltage signal and target duty ratio by digital analogue signal
Connect corresponding relationship, response speed block and high reliablity.
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: preset any
The specified corresponding analog voltage signal range of performance number, wherein the analog voltage signal of input belongs to analog voltage signal range.
In the technical scheme, by presetting the corresponding analog voltage signal range of any specified performance number, further
The safety of heating control scheme is improved, specifically, the analog voltage signal of such as input belongs to analog voltage signal range, then
Corresponding target duty ratio can be determined according to corresponding relationship, the analog voltage signal of such as input is not belonging to analog voltage signal model
It encloses, then exporting target duty ratio can be zero, namely stop computer heating control process, to reduce computer heating control caused by voltage fluctuation
The hardware damage of circuit.
Fig. 2 shows the schematic block diagrams of heating control apparatus according to an embodiment of the invention.
As shown in Fig. 2, the heating control apparatus 200 of embodiment according to the present invention, comprising: receiving unit 202, for obtaining
After fetching determines the heating instructions of performance number, the analog voltage signal of input is detected；Determination unit 204, for according to any finger
Determine the corresponding relationship of performance number Imitating voltage signal Yu target duty ratio, determines any analog voltage signal under specified performance number
Corresponding target duty ratio.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, wherein duty ratio, which refers to, does not need reality
When monitoring voltage and electric current guarantee power stability, which not only simplifies the hardware configuration of heating control circuit and reduce into
This, but also improve the reliability of power control.
Wherein, when establishing above-mentioned corresponding relationship, power meter, power meter are set in the load input terminal of heating control circuit
Realtime power value can be read directly, namely after determining specified performance number, after obtaining any analog voltage signal, adjustment is accounted for
It is empty more equal with specified performance number than the realtime power value to power meter, namely each corresponding one group of corresponding relationship of specified performance number
Table includes the one-to-one relationship between analog voltage signal and target duty ratio in mapping table.
In addition, it will be appreciated to those of skill in the art that heating instructions include at least one specified performance number, Yi Jizhan
Sky than be it is positively related with performance number, duty ratio switches on-off switch typically as pulse control, and pulse control, which switchs, to be controlled
The working time (i.e. effectively heating duration) of heating control circuit processed, pulse control switch can be silicon-controlled and relay etc..
In the above-mentioned technical solutions, it is preferable that receiving unit 202 is also used to: under any specified performance number, obtaining simulation to be tested
Voltage signal；Heating control apparatus 200 further include: control unit 206, for when inputting analog voltage signal to be tested,
It controls duty ratio and improves target duty ratio by zero, so as to detect that output power value is equal with specified performance number.
In the technical scheme, under any specified performance number, when according to analog voltage signal to be tested, duty is controlled
Than improving target duty ratio by zero, so as to detect that output power value is equal with specified performance number, acquisition current signal is not needed,
And the corresponding relationship between analog voltage signal and target duty ratio is directly established, improve the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that heating control apparatus 200 further include: AD conversion unit 208, being used for will
Analog voltage signal to be tested is converted to corresponding digital voltage signal；Storage unit 210, for storing simulation to be tested
Second corresponding pass of the first corresponding relationship and digital voltage signal of voltage signal and digital voltage signal and target duty ratio
System, wherein corresponding relationship includes the first corresponding relationship and the second corresponding relationship under any specified performance number.
In the technical scheme, since pulse-modulated signal (according to target duty than output) is usually by single-chip microcontroller, micro-
What the controllers such as processor or embedded device generated, therefore, it is necessary to initially set up analog voltage signal and digital voltage signal
Between the first corresponding relationship, in the second corresponding relationship for continuing to establish digital voltage signal Yu target duty ratio,.Digital voltage
Signal as can by controller identify input signal further improve heating control scheme since its interference noise is low
Reliability.
In the above-mentioned technical solutions, it is preferable that determination unit 204 is also used to: according to the first corresponding relationship, determining input
The corresponding digital voltage signal of analog voltage signal；Determination unit 204 is also used to: being closed according to digital voltage signal and second are corresponding
System determines the corresponding target duty ratio of analog voltage signal of input.
In the technical scheme, digital voltage signal is as the input signal that can be identified by controller, since its interference is made an uproar
Sound is low, further improves the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that heating control apparatus 200 further include: default unit 212 is appointed for default
The corresponding analog voltage signal range of one specified performance number, wherein the analog voltage signal of input belongs to analog voltage signal model
It encloses.
In the technical scheme, by presetting the corresponding analog voltage signal range of any specified performance number, further
The safety of heating control scheme is improved, specifically, the analog voltage signal of such as input belongs to analog voltage signal range, then
Corresponding target duty ratio can be determined according to corresponding relationship, the analog voltage signal of such as input is not belonging to analog voltage signal model
It encloses, then exporting target duty ratio can be zero, namely stop computer heating control process, to reduce computer heating control caused by voltage fluctuation
The hardware damage of circuit.
Fig. 3 shows the schematic block diagram of cooking apparatus according to an embodiment of the invention.
As shown in figure 3, the cooking apparatus 300 of embodiment according to the present invention, comprising: heating component 302；Computer heating control dress
The output end for setting 200 is connected to the load input terminal of heating component 302, and the input terminal of heating control apparatus 200 is connected to simulation
The input terminal of voltage signal.
In the technical scheme, after carrying out specified performance number heating instructions, the analog voltage signal that will test input is used
A/D converter is converted to digital voltage signal, and the duty ratio of PWM is adjusted according to the voltage signal of output, so that practical defeated
Performance number out reaches specified power, heating control apparatus 200 output end connect be heating component 302, by adding
Hot component 302 heats food under set performance number.
In the above-mentioned technical solutions, it is preferable that the heating component 302 of cooking apparatus 300 includes electromagnetic heating coil.
Wherein, the receiving unit 202 of heating control apparatus 200 can be the touch panel or channel radio of cooking apparatus 300
Believe receiver, determination unit 204 can be the controller of cooking apparatus 300, such as microprocessor, microcontroller and single-chip microcontroller,
Control unit 206 can be the impulse generator of cooking apparatus 300, and AD conversion unit 208 can be the A/ of cooking apparatus 300
D converter, storage unit 210 and default unit 212 can be the memory of cooking apparatus 300.
According to an embodiment of the invention, also proposed a kind of computer readable storage medium, it is stored thereon with computer journey
Sequence detects input after performing the steps of the heating instructions for obtaining specified performance number when computer program is executed by processor
Analog voltage signal；According to the corresponding relationship of any specified performance number Imitating voltage signal and target duty ratio, determination refers to
Determine the corresponding target duty ratio of any analog voltage signal under performance number.
In the technical scheme, specified performance number is carried in heating instructions, passes through any specified performance number Imitating electricity
The corresponding relationship for pressing signal and target duty ratio, adjusts target duty ratio according to the analog voltage signal of input, and then not in real time
It needs to acquire current signal, therefore, does not also need that corresponding current acquisition module is arranged, wherein duty ratio refers to PWM (Pulse
Width Modulation, pulse width modulation) duty ratio, do not need real time monitoring voltage and current and guarantee that power is steady
It is fixed, which not only simplifies the hardware configuration of heating control circuit and reduce costs, but also improve power control can
By property.
Wherein, when establishing above-mentioned corresponding relationship, power meter, power meter are set in the load input terminal of heating control circuit
Realtime power value can be read directly, namely after determining specified performance number, after obtaining any analog voltage signal, adjustment is accounted for
It is empty more equal with specified performance number than the realtime power value to power meter, namely each corresponding one group of corresponding relationship of specified performance number
Table includes the one-to-one relationship between analog voltage signal and target duty ratio in mapping table.
In addition, it will be appreciated to those of skill in the art that heating instructions include at least one specified performance number, Yi Jizhan
Sky than be it is positively related with performance number, duty ratio switches on-off switch typically as pulse control, and pulse control, which switchs, to be controlled
The working time (i.e. effectively heating duration) of heating control circuit processed, pulse control switch can be silicon-controlled and relay etc..
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: in any finger
Determine under performance number, obtains analog voltage signal to be tested；When inputting analog voltage signal to be tested, control duty ratio by
Zero improves target duty ratio, so as to detect that output power value is equal with specified performance number.
In the technical scheme, under any specified performance number, when according to analog voltage signal to be tested, duty is controlled
Than improving target duty ratio by zero, so as to detect that output power value is equal with specified performance number, acquisition current signal is not needed,
And the corresponding relationship between analog voltage signal and target duty ratio is directly established, improve the reliability of heating control scheme.
In the above-mentioned technical solutions, it is preferable that above-mentioned method for heating and controlling, further includes: believe analog voltage to be tested
Number be converted to corresponding digital voltage signal；Store analog voltage signal to be tested and digital voltage signal first corresponding is closed
Second corresponding relationship of system and digital voltage signal and target duty ratio, wherein corresponding relationship includes any specified performance number
Under the first corresponding relationship and the second corresponding relationship.
In the technical scheme, since pulse-modulated signal (according to target duty than output) is usually by single-chip microcontroller, micro-
What the controllers such as processor or embedded device generated, therefore, it is necessary to initially set up analog voltage signal and digital voltage signal
Between the first corresponding relationship, in the second corresponding relationship for continuing to establish digital voltage signal Yu target duty ratio, digital voltage
Signal as can by controller identify input signal further improve heating control scheme since its interference noise is low
Reliability.
In the above-mentioned technical solutions, it is preferable that according to any specified performance number Imitating voltage signal and target duty ratio
Corresponding relationship, determine the corresponding target duty ratio of any analog voltage signal under specified performance number, specifically include: according to
First corresponding relationship determines the corresponding digital voltage signal of analog voltage signal of input；According to digital voltage signal and second
Corresponding relationship determines the corresponding target duty ratio of analog voltage signal of input.
In the technical scheme, between being established between analog voltage signal and target duty ratio by digital analogue signal
Connect corresponding relationship, response speed block and high reliablity.
In the above-mentioned technical solutions, it is preferable that before the heating instructions for obtaining specified performance number, further includes: preset any
The specified corresponding analog voltage signal range of performance number, wherein the analog voltage signal of input belongs to analog voltage signal range.
In the technical scheme, by presetting the corresponding analog voltage signal range of any specified performance number, further
The safety of heating control scheme is improved, specifically, the analog voltage signal of such as input belongs to analog voltage signal range, then
Corresponding target duty ratio can be determined according to corresponding relationship, the analog voltage signal of such as input is not belonging to analog voltage signal model
It encloses, then exporting target duty ratio can be zero, namely stop computer heating control process, to reduce computer heating control caused by voltage fluctuation
The hardware damage of circuit.
The steps in the embodiment of the present invention can be sequentially adjusted, combined, and deleted according to actual needs.
Unit in the terminal of that embodiment of the 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 include read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only memory (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only memory
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), CD-ROM (Compact
Disc Read-Only Memory, CD-ROM) or other disc memories, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of storing data.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, it is contemplated that in the related technology, how to simplify heating
Control circuit and the firm power heating technical problems such as reliability are promoted, the invention proposes a kind of new heating control scheme,
By the corresponding relationship of any specified performance number Imitating voltage signal and target duty ratio, target duty ratio is adjusted in real time,
To guarantee that invariable power heats, the hardware configuration of heating control circuit is simplified, does not need setting current sampling module especially, because
This, also reduces manufacturing cost, in addition, it is not necessary that ensuring the time synchronization between voltage signal and current signal, improves and adds
The reliability of thermal control scheme.
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 (12)
1. a kind of method for heating and controlling characterized by comprising
After the heating instructions for obtaining specified performance number, the analog voltage signal of input is detected；
According to the corresponding relationship of any specified performance number Imitating voltage signal and target duty ratio, the specified function is determined
The corresponding target duty ratio of any analog voltage signal under rate value.
2. method for heating and controlling according to claim 1, which is characterized in that in the heating instructions for obtaining specified performance number
Before, further includes:
Under any specified performance number, analog voltage signal to be tested is obtained；
When inputting the analog voltage signal to be tested, control duty ratio improves the target duty ratio by zero, so that inspection
It is equal with the specified performance number to measure output power value.
3. method for heating and controlling according to claim 2, which is characterized in that further include:
The analog voltage signal to be tested is converted into corresponding digital voltage signal；
Store the analog voltage signal to be tested and the digital voltage signal the first corresponding relationship and the number
Second corresponding relationship of voltage signal and the target duty ratio,
Wherein, the corresponding relationship includes that first corresponding relationship and described second under any specified performance number corresponds to
Relationship.
4. method for heating and controlling according to claim 3, which is characterized in that according to any specified performance number Imitating voltage
The corresponding relationship of signal and target duty ratio determines that any analog voltage signal is one corresponding under the specified performance number
Target duty ratio, specifically includes:
According to first corresponding relationship, the corresponding digital voltage signal of the analog voltage signal of the input is determined；
According to the digital voltage signal and second corresponding relationship, the analog voltage signal of the input corresponding one is determined
A target duty ratio.
5. method for heating and controlling according to any one of claim 1 to 4, which is characterized in that obtaining specified performance number
Heating instructions before, further includes:
The corresponding analog voltage signal range of any specified performance number is preset,
Wherein, the analog voltage signal of the input belongs to the analog voltage signal range.
6. a kind of heating control apparatus characterized by comprising
Receiving unit after the heating instructions for obtaining specified performance number, detects the analog voltage signal of input；
Determination unit, for the corresponding relationship according to any specified performance number Imitating voltage signal and target duty ratio,
Determine the corresponding target duty ratio of any analog voltage signal under the specified performance number.
7. heating control apparatus according to claim 6, which is characterized in that
The receiving unit is also used to: under any specified performance number, obtaining analog voltage signal to be tested；
The heating control apparatus further include:
Control unit, for when inputting the analog voltage signal to be tested, control duty ratio to improve the target by zero
Duty ratio, so as to detect that output power value is equal with the specified performance number.
8. heating control apparatus according to claim 7, which is characterized in that further include:
AD conversion unit, for the analog voltage signal to be tested to be converted to corresponding digital voltage signal；
Storage unit, for storing first corresponding pass of the analog voltage signal to be tested with the digital voltage signal
Second corresponding relationship of system and the digital voltage signal and the target duty ratio,
Wherein, the corresponding relationship includes that first corresponding relationship and described second under any specified performance number corresponds to
Relationship.
9. heating control apparatus according to claim 8, which is characterized in that
The determination unit is also used to: according to first corresponding relationship, determining that the analog voltage signal of the input is corresponding
Digital voltage signal；
The determination unit is also used to: according to the digital voltage signal and second corresponding relationship, determining the input
The corresponding target duty ratio of analog voltage signal.
10. heating control apparatus according to any one of claims 6 to 9, which is characterized in that further include:
Default unit, for presetting the corresponding analog voltage signal range of any specified performance number,
Wherein, the analog voltage signal of the input belongs to the analog voltage signal range.
11. a kind of cooking apparatus characterized by comprising
Heating component；
The output end of heating control apparatus as described in any one of claim 6 to 10, the heating control apparatus is connected to
The input terminal of the load input terminal of the heating component, the heating control apparatus is connected to the input terminal of analog voltage signal.
12. cooking apparatus according to claim 11 characterized by comprising
The heating component includes electromagnetic heating coil.
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| CN201710671509.2A CN109392206B (en) | 2017-08-08 | 2017-08-08 | Heating control method, heating control device and cooking appliance |
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| CN201710671509.2A CN109392206B (en) | 2017-08-08 | 2017-08-08 | Heating control method, heating control device and cooking appliance |
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Cited By (1)
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| CN112032978A (en) * | 2020-08-24 | 2020-12-04 | 青岛海尔空调电子有限公司 | Winding induction heating method and system and air conditioning equipment |
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| CN103763803A (en) * | 2014-01-23 | 2014-04-30 | 美的集团股份有限公司 | Electromagnetic resonance control circuit, electromagnetic heating device and method for controlling transistor |
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