CN105843320A - Power calibration circuit and cooking utensil - Google Patents
Power calibration circuit and cooking utensil Download PDFInfo
- Publication number
- CN105843320A CN105843320A CN201510024610.XA CN201510024610A CN105843320A CN 105843320 A CN105843320 A CN 105843320A CN 201510024610 A CN201510024610 A CN 201510024610A CN 105843320 A CN105843320 A CN 105843320A
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- power
- circuit
- circuit board
- calibration
- described power
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- 238000010411 cooking Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 82
- 238000013500 data storage Methods 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 16
- 238000005070 sampling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a power calibration circuit and a cooking utensil. The power calibration circuit comprises a power circuit board used for output of power, a power detection device and a power adjustment and calibration circuit. The power circuit board comprises a first voltage detection circuit, a first current detection circuit and a data storage unit. The first voltage detection circuit is used for detecting working voltage of the power circuit board. The first voltage detection circuit is used for detecting working current of the power circuit board. The data storage unit is used for storing power calibration data. The power detection device is used for detecting output power of the power circuit board. The power adjustment and calibration circuit is connected to the power detection device and the power circuit board and used for adjusting actual output power of the power circuit board based on working voltage detected by the first voltage detection circuit, working current detected by the first current detection circuit and output power detected by the power detection device. The technical scheme of the power calibration circuit helps achieve automatic calibration of output power of the power circuit board and ensures accurate and reliable output power of the power circuit board.
Description
Technical field
The present invention relates to calibration of power technical field, in particular to a kind of calibration of power circuit and
A kind of cooking apparatus.
Background technology
At present, (Induction Heating, sensing adds to propose employing multistage IH in correlation technique
Heat) mode carry out the cooking apparatus that heats, and multistage IH is to use multiple coils worked alone
Dish heats, and in existing control program, mainly uses series, parallel or the mode of scanning
Control multistage IH to heat, and every section of coil panel can not independently control or the power of every section of coil panel
Can not independent regulation.
Owing to the real output size of IH power circuit board needs by sampling work voltage and work
It is determined as electric current, and the deviation of voltage sampling circuit and current sampling circuit components and parts can make IH
The output of power circuit board fluctuates in bigger scope, causes the defeated of IH power circuit board
Go out power inaccurate.And currently also do not have related art scheme to realize defeated to IH power circuit board
Go out the calibration of power.
Therefore, how to be capable of that the output of IH power circuit board is carried out calibration to become urgently
Solve the technical problem that.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art or correlation technique.
To this end, it is an object of the present invention to propose a kind of new calibration of power circuit, it is possible to keep away
Exempt from due in sample circuit the deviation of components and parts and affect the real output of power circuit board, it is achieved
Automatic calibration to the output of power circuit board, it is ensured that the output of power circuit board is accurate
Really, reliably.
Further object is that and propose a kind of cooking apparatus accordingly.
For achieving the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of power
Calibration circuit, including: power circuit board, for realizing the output of power, described power circuit board bag
Include the first voltage detecting circuit, the first current detection circuit and data storage, described first voltage inspection
Slowdown monitoring circuit is for detecting the running voltage of described power circuit board, and described first current detection circuit is used for
Detecting the operating current of described power circuit board, described data storage calibrates number for storage power
According to；Power detection device, for detecting the output of described power circuit board；Power adjustments is calibrated
Circuit, is connected to described power detection device and described power circuit board, for according to described first electricity
It is described that the described running voltage that pressure testing circuit detects, described first current detection circuit detect
The described output that operating current and described power detection device detect regulates described power circuit board
Real output.
Calibration of power circuit according to an embodiment of the invention, owing to power circuit board includes the first electricity
Pressure testing circuit and the first current detection circuit, and the first voltage detecting circuit and the first current detecting electricity
In road, the deviation of components and parts can make the output of power circuit board fluctuate in bigger scope, leads
The output causing power circuit board is inaccurate.Therefore, power adjustments calibration circuit is by according to first
Operating current that running voltage that voltage detecting circuit detects, the first current detection circuit detect and
The real output of the output regulation power circuit board that power detection device detects so that energy
Sample circuit in enough outputs detected based on power detection device and power circuit board detects
Running voltage and operating current the real output of power circuit board is adjusted, and then can
Avoid due in sample circuit the deviation of components and parts and affect the real output of power circuit board, real
Show the automatic calibration of the output to power circuit board, it is ensured that the output of power circuit board
Accurately, reliably.
Calibration of power circuit according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below special
Levy:
Above-mentioned power circuit board, power detection device and power adjustments calibration circuit is powered
Scheme can have a following two ways:
Embodiment one:
According to one embodiment of present invention, also include: power module, be connected to described power detection
Device and described power adjustments calibration circuit, for described power detection device and described power adjustments
Calibration circuit is powered；Described power circuit board is connected to described power detection device, described power detection
Device is powered to described power circuit board.
In this embodiment, power module supplies to power detection device and power adjustments calibration circuit
Electricity, and power detection device is powered to power circuit board, it is ensured that power detection device can be the most right
The output of power circuit board detects.
According to one embodiment of present invention, described power detection device includes: the second current detecting electricity
Road, for detecting the supply current of described power circuit board；Second voltage detecting circuit, is used for detecting
The supply voltage of described power circuit board.Processing apparatus, according to described supply current and described power supply electricity
Pressure calculates the output of described power circuit board.
According to one embodiment of present invention, described power detection device is additionally operable to, by described power supply electricity
Stream and the transmission of described supply voltage calibrate circuit to described power adjustments；Described power adjustments calibration circuit
It is additionally operable to, determines described first electricity according to the operating current of described supply current and described power circuit board
Current detection circuit is the most normal, and the work electricity according to described supply voltage and described power circuit board
Pressure determines that described first voltage detecting circuit is the most normal, and is determining described first current detection circuit
Time all normal with described first voltage detecting circuit, perform according to described running voltage, described work electricity
The described output that stream and described power detection device detect regulates the reality of described power circuit board
Output.
Calibration of power circuit according to an embodiment of the invention, when the components and parts in power circuit board occur
During problem, the running voltage detected and operating current may be caused to there is relatively large deviation, if continue into
The regulation of row output, also may cannot guarantee the accurate of output, therefore to power circuit
Before the real output of plate is adjusted, it may be determined that the sample circuit detection in power circuit board
The running voltage and the operating current that arrive are the most normal.Specifically determine that method is as described below:
According to one embodiment of present invention, if the deviation value of described supply current and described operating current
It is in the first preset range, it is determined that described operating current is normal；And if described supply voltage and
The deviation value of described running voltage is in the second preset range, it is determined that described running voltage is normal.
Wherein, the first preset range and the second preset range can be carried out according to the actual deviation of testing circuit
Set, it is preferable that the first preset range is in ± (0.2A～1.5A) in the range of, second makes a reservation for
Scope is in ± (0.5V～3V) in the range of.
Embodiment two:
According to one embodiment of present invention, also include: power module, be connected to described power detection
Device, described power adjustments calibration circuit and described power circuit board, for filling to described power detection
Put, described power adjustments calibrates circuit and described power circuit board is powered.
In this embodiment, power module is to power circuit board, power detection device and power adjustments school
Quasi-circuit is powered.
According to one embodiment of present invention, described power module includes civil power or variable-frequency power sources.
According to one embodiment of present invention, described power detection device and described power adjustments calibration electricity
Road is arranged on same circuit board or is arranged on different circuit boards.
According to one embodiment of present invention, also include: heater, be connected to described power circuit
Plate, for responding the power of described power circuit board output；Wherein, described power circuit board is IH
Power circuit board.
The invention allows for a kind of cooking apparatus, including: as described in above-mentioned any one embodiment
Calibration of power circuit.
The additional aspect of the present invention and advantage will part be given in the following description, and part will be from following
Description in become obvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Embodiment is retouched by the above-mentioned and/or additional aspect of the present invention and advantage from combining accompanying drawings below
Will be apparent from easy to understand in stating, wherein:
Fig. 1 shows the structural representation of calibration of power circuit according to an embodiment of the invention；
Fig. 2 shows the structural representation of calibration of power circuit according to another embodiment of the invention
Figure.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with attached
The present invention is further described in detail by figure and detailed description of the invention.It should be noted that not
In the case of conflict, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but,
The present invention can implement to use other to be different from other modes described here, therefore, and the present invention
Protection domain do not limited by following public specific embodiment.
As depicted in figs. 1 and 2, calibration of power circuit according to an embodiment of the invention, including: merit
Rate circuit board 1, for realizing the output of power, described power circuit board 1 includes the first voltage detecting
Circuit, the first current detection circuit and data storage, described first voltage detecting circuit is used for detecting
The running voltage of described power circuit board 1, described first current detection circuit is used for detecting described power
The operating current of circuit board 1, described data storage is used for storage power calibration data；Power detection
Device 2, for detecting the output of described power circuit board 1；Power adjustments calibration circuit 3,
It is connected to described power detection device 2 and described power circuit board 1, for according to described first voltage
The described work that the described running voltage that testing circuit detects, described first current detection circuit detect
Make electric current and described output that described power detection device 2 detects regulates described power circuit board
The real output of 1.
Owing to power circuit board 1 includes the first voltage detecting circuit and the first current detection circuit, and
In first voltage detecting circuit and the first current detection circuit, the deviation of components and parts can make power circuit board 1
Output fluctuate in bigger scope, cause power circuit board 1 output forbidden
Really.Therefore, power adjustments calibration circuit 3 is by the work detected according to the first voltage detecting circuit
It is defeated that operating current that voltage, the first current detection circuit detect and power detection device 2 detect
Go out the real output of power adjustments power circuit board 1, enabling based on power detection device 2
Running voltage that sample circuit in the output detected and power circuit board 1 detects and work
The real output of power circuit board 1 is adjusted by electric current, and then it can be avoided that due to sampling electricity
The deviation of components and parts in road and affect the real output of power circuit board 1, it is achieved that to power electricity
The automatic calibration of the output of road plate 1, it is ensured that the output of power circuit board 1 accurately, can
Lean on.
Calibration of power circuit according to the abovementioned embodiments of the present invention, it is also possible to there is techniques below special
Levy:
Above-mentioned power circuit board 1, power detection device 2 and power adjustments calibration circuit 3 is entered
The scheme of row power supply can have a following two ways:
Embodiment one:
According to one embodiment of present invention, as it is shown in figure 1, also include: power module 4, connect
To described power detection device 2 and described power adjustments calibration circuit 3, for described power detection
Device 2 and described power adjustments calibration circuit 3 are powered；Described power circuit board 1 is connected to described merit
Rate detection device 2, described power detection device 2 is powered to described power circuit board 1.
In this embodiment, power module 4 calibrates circuit 3 to power detection device 2 and power adjustments
It is powered, and power detection device 2 is powered to power circuit board 1, it is ensured that power detection device 2
Easily the output of power circuit board 1 can be detected.
According to one embodiment of present invention, described power detection device 2 includes: the second current detecting
Circuit, for detecting the supply current of described power circuit board 1；Second voltage detecting circuit, is used for
Detect the supply voltage of described power circuit board 1.Processing apparatus, according to described supply current and described
Supply voltage calculates the output of described power circuit board 1.
According to one embodiment of present invention, described power detection device 2 is additionally operable to, by described power supply
Electric current and the transmission of described supply voltage calibrate circuit 3 to described power adjustments；Described power adjustments is calibrated
Circuit 3 is additionally operable to, and determines described according to the operating current of described supply current and described power circuit board
Whether the first current detection circuit is normal, and according to described supply voltage and described power circuit board
Running voltage determines that described first voltage detecting circuit is the most normal, and is determining described first electric current inspection
When slowdown monitoring circuit and described first voltage detecting circuit are all normal, perform according to described running voltage, described
The described output that operating current and described power detection device 2 detect regulates described power circuit
The real output of plate 1.
Specifically, when the components and parts in power circuit board 1 go wrong, may cause detecting
There is relatively large deviation in running voltage and operating current, if proceeding the regulation of output, Ke Nengye
Cannot guarantee the accurate of output, therefore the real output of power circuit board 1 adjusted
Before joint, it may be determined that the running voltage that the sample circuit in power circuit board 1 detects and work electricity
Flow the most normal.Specifically determine that method is as described below:
According to one embodiment of present invention, if the deviation value of described supply current and described operating current
It is in the first preset range, it is determined that described operating current is normal；And if described supply voltage and
The deviation value of described running voltage is in the second preset range, it is determined that described running voltage is normal.
Wherein, the first preset range and the second preset range can be carried out according to the actual deviation of testing circuit
Set, it is preferable that the first preset range is in ± (0.2A～1.5A) in the range of, second makes a reservation for
Scope is in ± (0.5V～3V) in the range of.
Embodiment two:
According to one embodiment of present invention, as in figure 2 it is shown, also include: power module 4, connect
To described power detection device 2, described power adjustments calibration circuit 3 and described power circuit board 1,
For to described power detection device 2, described power adjustments calibration circuit 3 and described power circuit board
1 power supply.
In this embodiment, power module 4 is to power circuit board 1, power detection device 2 and power
Regulation calibration circuit 3 is powered.
According to one embodiment of present invention, described power module 4 includes civil power or variable-frequency power sources.
According to one embodiment of present invention, described power detection device 2 and the calibration of described power adjustments
Circuit 3 is arranged on same circuit board or is arranged on different circuit boards.
According to one embodiment of present invention, also include: heater 5, be connected to described power electricity
Road plate 1, for responding the power of described power circuit board 1 output；Wherein, described power circuit board
1 is IH power circuit board 1.
The invention allows for a kind of cooking apparatus, including: the calibration of power as shown in Figure 1 or 2
Circuit.
Technical scheme is described in detail, it is contemplated that due to IH power electricity above in association with accompanying drawing
The real output size of road plate needs to be determined by sampling work voltage and operating current, and
The deviation of voltage sampling circuit and current sampling circuit components and parts can make the output work of IH power circuit board
Rate fluctuates in bigger scope, and the output causing IH power circuit board is inaccurate.Cause
This, the present invention proposes a kind of new calibration of power circuit, it is possible to avoid due to unit's device in sample circuit
The deviation of part and affect the real output of power circuit board, it is achieved that the output to power circuit board
The automatic calibration of power, it is ensured that the output of power circuit board is accurately, reliably.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for
For those skilled in the art, the present invention can have various modifications and variations.All essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included in the present invention
Protection domain within.
Claims (10)
1. a calibration of power circuit, it is characterised in that including:
Power circuit board, for realizing the output of power, described power circuit board includes the first voltage inspection
Slowdown monitoring circuit, the first current detection circuit and data storage, described first voltage detecting circuit is used for examining
Surveying the running voltage of described power circuit board, described first current detection circuit is used for detecting described power
The operating current of circuit board, described data storage is used for storage power calibration data；
Power detection device, for detecting the output of described power circuit board；
Power adjustments calibration circuit, is connected to described power detection device and described power circuit board, uses
In the described running voltage detected according to described first voltage detecting circuit, described first current detecting
Electric circuit inspection to described operating current and the described output that detects of described power detection device adjust
Save the real output of described power circuit board.
Calibration of power circuit the most according to claim 1, it is characterised in that also include:
Power module, is connected to described power detection device and described power adjustments calibration circuit, is used for
Calibrate circuit to described power detection device and described power adjustments to power；
Described power circuit board is connected to described power detection device, and described power detection device is to described
Power circuit board is powered.
Calibration of power circuit the most according to claim 2, it is characterised in that described power is examined
Survey device includes:
Second current detection circuit, for detecting the supply current of described power circuit board；
Second voltage detecting circuit, for detecting the supply voltage of described power circuit board；
Processing apparatus, calculates described power circuit board according to described supply current and described supply voltage
Output.
Calibration of power circuit the most according to claim 3, it is characterised in that:
Described power detection device is additionally operable to, and transmits described supply current and described supply voltage to institute
State power adjustments calibration circuit；
Described power adjustments calibration circuit is additionally operable to, according to described supply current and described power circuit board
Operating current determine that described first current detection circuit is whether normal, and according to described supply voltage
Determine that described first voltage detecting circuit is the most normal with the running voltage of described power circuit board, and
Determine when described first current detection circuit and described first voltage detecting circuit are all normal, perform basis
The described output that described running voltage, described operating current and described power detection device detect
Regulate the real output of described power circuit board.
Calibration of power circuit the most according to claim 4, it is characterised in that:
If the deviation value of described supply current and described operating current is in the first preset range, the most really
Fixed described operating current is normal；And
If the deviation value of described supply voltage and described running voltage is in the second preset range, the most really
Fixed described running voltage is normal.
Calibration of power circuit the most according to claim 1, it is characterised in that also include:
Power module, is connected to described power detection device, described power adjustments calibration circuit and described
Power circuit board, for described power detection device, described power adjustments calibration circuit and described merit
Rate circuit board is powered.
7., according to the calibration of power circuit according to any one of claim 2 to 6, its feature exists
In, described power module includes civil power or variable-frequency power sources.
Calibration of power circuit the most according to any one of claim 1 to 6, its feature exists
Be arranged on same circuit board in, described power detection device and described power adjustments calibration circuit or
It is arranged on different circuit boards.
Calibration of power circuit the most according to any one of claim 1 to 6, its feature exists
In, also include: heater, be connected to described power circuit board, be used for responding described power circuit
The power of plate output；
Wherein, described power circuit board is IH power circuit board.
10. a cooking apparatus, it is characterised in that including: as any one of claim 1 to 9
Described calibration of power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024610.XA CN105843320B (en) | 2015-01-16 | 2015-01-16 | Calibration of power circuit and cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510024610.XA CN105843320B (en) | 2015-01-16 | 2015-01-16 | Calibration of power circuit and cooking apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105843320A true CN105843320A (en) | 2016-08-10 |
| CN105843320B CN105843320B (en) | 2018-08-07 |
Family
ID=56580253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510024610.XA Expired - Fee Related CN105843320B (en) | 2015-01-16 | 2015-01-16 | Calibration of power circuit and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105843320B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035236A (en) * | 2018-10-12 | 2020-04-21 | 浙江绍兴苏泊尔生活电器有限公司 | Working power processing method and device and cooking appliance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701569B1 (en) * | 1993-02-16 | 1995-04-14 | Serthel | Method and circuit for measuring and regulating power, for inductive circuits with high alternating currents and high frequencies. |
| CN101754506A (en) * | 2008-12-12 | 2010-06-23 | 深圳市鑫汇科科技有限公司 | Electromagnetic oven power automatic calibration method and circuit |
| CN202059611U (en) * | 2010-12-23 | 2011-11-30 | 佛山市顺德区瑞德电子实业有限公司 | Power rapid adjusting device of induction cooker circuit board |
| CN102525253A (en) * | 2012-01-18 | 2012-07-04 | 浙江苏泊尔家电制造有限公司 | IH (Induction Heating) electromagnetic electric cooker with power adjusting function |
| CN202735404U (en) * | 2012-06-11 | 2013-02-13 | 格力电器（中山）小家电制造有限公司 | Power detection circuit and electric fan using same |
-
2015
- 2015-01-16 CN CN201510024610.XA patent/CN105843320B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2701569B1 (en) * | 1993-02-16 | 1995-04-14 | Serthel | Method and circuit for measuring and regulating power, for inductive circuits with high alternating currents and high frequencies. |
| CN101754506A (en) * | 2008-12-12 | 2010-06-23 | 深圳市鑫汇科科技有限公司 | Electromagnetic oven power automatic calibration method and circuit |
| CN202059611U (en) * | 2010-12-23 | 2011-11-30 | 佛山市顺德区瑞德电子实业有限公司 | Power rapid adjusting device of induction cooker circuit board |
| CN102525253A (en) * | 2012-01-18 | 2012-07-04 | 浙江苏泊尔家电制造有限公司 | IH (Induction Heating) electromagnetic electric cooker with power adjusting function |
| CN202735404U (en) * | 2012-06-11 | 2013-02-13 | 格力电器（中山）小家电制造有限公司 | Power detection circuit and electric fan using same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111035236A (en) * | 2018-10-12 | 2020-04-21 | 浙江绍兴苏泊尔生活电器有限公司 | Working power processing method and device and cooking appliance |
| CN111035236B (en) * | 2018-10-12 | 2022-06-28 | 浙江绍兴苏泊尔生活电器有限公司 | Working power processing method and device and cooking appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105843320B (en) | 2018-08-07 |
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Granted publication date: 20180807 |