CN105843320B - Calibration of power circuit and cooking apparatus - Google Patents
Calibration of power circuit and cooking apparatus Download PDFInfo
- Publication number
- CN105843320B CN105843320B CN201510024610.XA CN201510024610A CN105843320B CN 105843320 B CN105843320 B CN 105843320B CN 201510024610 A CN201510024610 A CN 201510024610A CN 105843320 B CN105843320 B CN 105843320B
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- China
- Prior art keywords
- power
- circuit board
- circuit
- calibration
- power circuit
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- 238000010411 cooking Methods 0.000 title claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 112
- 230000033228 biological regulation Effects 0.000 claims abstract description 32
- 238000013500 data storage Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
The present invention provides a kind of calibration of power circuit and cooking apparatus, calibration of power circuit, including：Power circuit board, for realizing the output of power, power circuit board includes first voltage detection circuit, the first current detection circuit and data storage, first voltage detection circuit is used to detect the operating voltage of power circuit board, first current detection circuit is used to detect the operating current of power circuit board, and data storage is used for storage power calibration data；Power detection device, the output power for detecting power circuit board；Power regulation calibrates circuit, it is connected to power detection device and power circuit board, the real output for the output power regulation power circuit board that the operating current and power detection device that the operating voltage, the first current detection circuit for being detected according to first voltage detection circuit detect detect.Technical scheme of the present invention realizes the automatic calibration to the output power of power circuit board, it is ensured that the output power of power circuit board is accurate, reliable.
Description
Technical field
The present invention relates to calibration of power technical fields, in particular to a kind of calibration of power circuit and a kind of cooking pot
Tool.
Background technology
It is carried out using the mode of multistage IH (Induction Heating, sensing heating) currently, proposing in the related technology
The cooking apparatus of heating, and multistage IH is heated using the coil panel of multiple autonomous workings, in existing control program,
Multistage IH is mainly controlled by the way of series, parallel or scanning to be heated, and every section of coil panel be unable to independent control or
The power of every section of coil panel cannot be separately adjustable.
Since the real output size of IH power circuit boards needs to carry out by sampling operation voltage and operating current
It determines, and the deviation of voltage sampling circuit and current sampling circuit component can be such that the output power of IH power circuit boards is comparing
Fluctuation in big range causes the output power of IH power circuit boards inaccurate.And at present also without related art scheme reality
Now to the calibration of the output power of IH power circuit boards.
Therefore, how to realize that carry out calibration to the output power of IH power circuit boards asks as technology urgently to be resolved hurrily
Topic.
Invention content
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, an object of the present invention is to provide a kind of new calibration of power circuit, can avoid due to sampling
The deviation of component in circuit and the real output for influencing power circuit board, realize the output power to power circuit board
Automatic calibration, it is ensured that the output power of power circuit board is accurate, reliable.
It is another object of the present invention to accordingly propose a kind of cooking apparatus.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of calibration of power circuit, packet
It includes：Power circuit board, for realizing the output of power, the power circuit board includes first voltage detection circuit, the first electric current
Detection circuit and data storage, the first voltage detection circuit are used to detect the operating voltage of the power circuit board, institute
Operating current of first current detection circuit for detecting the power circuit board is stated, the data storage is used for storage power
Calibration data；Power detection device, the output power for detecting the power circuit board；Power regulation calibrates circuit, connection
To the power detection device and the power circuit board, the work for being detected according to the first voltage detection circuit
Make voltage, the operating current that first current detection circuit detects and the power detection device detect it is described
Output power adjusts the real output of the power circuit board.
Calibration of power circuit according to an embodiment of the invention, since power circuit board includes first voltage detection circuit
With the first current detection circuit, and the deviation of component can make power in first voltage detection circuit and the first current detection circuit
The output power of circuit board fluctuates in bigger range, causes the output power of power circuit board inaccurate.Therefore, power
Calibration circuit is adjusted to detect by the operating voltage that is detected according to first voltage detection circuit, the first current detection circuit
The real output for the output power regulation power circuit board that operating current and power detection device detect, enabling base
The operating voltage detected in the sample circuit in the output power and power circuit board that power detection device detects and work
Electric current is adjusted the real output of power circuit board, and then can avoid the deviation due to component in sample circuit
And the real output of power circuit board is influenced, realize the automatic calibration to the output power of power circuit board, it is ensured that
The output power of power circuit board is accurate, reliable.
Calibration of power circuit according to the abovementioned embodiments of the present invention can also have following technical characteristic：
It can be with for the scheme that is powered of above-mentioned power circuit board, power detection device and power regulation calibration circuit
There is following two ways：
Embodiment one：
According to one embodiment of present invention, further include：Power module is connected to the power detection device and the work(
Rate adjusts calibration circuit, for powering to the power detection device and power regulation calibration circuit；The power circuit
Plate is connected to the power detection device, and the power detection device is powered to the power circuit board.
In this embodiment, power module is powered to power detection device and power regulation calibration circuit, and power
Detection device is powered to power circuit board, it is ensured that power detection device can easily carry out the output power of power circuit board
Detection.
According to one embodiment of present invention, the power detection device includes：Second current detection circuit, for detecting
The supply current of the power circuit board；Second voltage detection circuit, the supply voltage for detecting the power circuit board.Place
Device is managed, the output power of the power circuit board is calculated according to the supply current and the supply voltage.
According to one embodiment of present invention, the power detection device is additionally operable to, by the supply current and the confession
Piezoelectric voltage is transmitted to the power regulation calibration circuit；The power regulation calibration circuit is additionally operable to, according to the supply current
Determine whether first current detection circuit is normal with the operating current of the power circuit board, and according to power supply electricity
Pressure and the operating voltage of the power circuit board determine whether the first voltage detection circuit is normal, and are determining described first
When current detection circuit and the normal first voltage detection circuit, execute according to the operating voltage, the operating current
The real output of the power circuit board is adjusted with the output power that the power detection device detects.
Calibration of power circuit according to an embodiment of the invention, when the component in power circuit board when something goes wrong, can
Capable of leading to the operating voltage detected and operating current, there are relatively large deviations, if continuing the adjusting of output power, Ke Nengye
It is unable to ensure the accurate of output power, therefore before the real output to power circuit board is adjusted, it may be determined that
Whether the operating voltage and operating current that the sample circuit in power circuit board detects are normal.It is specific to determine the following institute of method
It states：
According to one embodiment of present invention, if the deviation of the supply current and the operating current is in first in advance
Determine in range, it is determined that the operating current is normal；And if the deviation of the supply voltage and the operating voltage is in
In second preset range, it is determined that the operating voltage is normal.
Wherein, the first preset range and the second preset range can be set according to the actual deviation of detection circuit, preferably
Ground, the first preset range are in the range of ± (0.2A~1.5A), and the second preset range is in the range of ± (0.5V~3V)
It is interior.
Embodiment two：
According to one embodiment of present invention, further include：Power module is connected to the power detection device, the work(
Rate adjusts the calibration circuit and power circuit board, for the power detection device, power regulation calibration circuit and
The power circuit board power supply.
In this embodiment, power module is carried out to power circuit board, power detection device and power regulation calibration circuit
Power supply.
According to one embodiment of present invention, the power module includes alternating current or variable-frequency power sources.
According to one embodiment of present invention, the power detection device and power regulation calibration circuit are arranged same
On one circuit board or it is arranged on different circuit boards.
According to one embodiment of present invention, further include：Heating device is connected to the power circuit board, for responding
The power of the power circuit board output；Wherein, the power circuit board is IH power circuit boards.
The invention also provides a kind of cooking apparatus, including：Calibration of power electricity as described in any of the above-described embodiment
Road.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the structural schematic diagram of calibration of power circuit according to an embodiment of the invention；
Fig. 2 shows the structural schematic diagrams of calibration of power circuit according to another embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied 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.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As depicted in figs. 1 and 2, calibration of power circuit according to an embodiment of the invention, including：Power circuit board 1, is used for
Realize that the output of power, the power circuit board 1 include first voltage detection circuit, the first current detection circuit and data storage
Device, the first voltage detection circuit are used to detect the operating voltage of the power circuit board 1, first current detection circuit
Operating current for detecting the power circuit board 1, the data storage are used for storage power calibration data；Power detection
Device 2, the output power for detecting the power circuit board 1；Power regulation calibrates circuit 3, is connected to the power detection
Device 2 and the power circuit board 1, it is the operating voltage for being detected according to the first voltage detection circuit, described
The output power tune that the operating current and the power detection device 2 that first current detection circuit detects detect
Save the real output of the power circuit board 1.
Since power circuit board 1 includes first voltage detection circuit and the first current detection circuit, and first voltage is examined
The deviation of component can make the output power of power circuit board 1 in bigger range in slowdown monitoring circuit and the first current detection circuit
Interior fluctuation causes the output power of power circuit board 1 inaccurate.Therefore, power regulation calibrates circuit 3 by according to first voltage
The operating current and power detection device 2 that operating voltage that detection circuit detects, the first current detection circuit detect detect
The real output of the output power regulation power circuit board 1 arrived, enabling detected based on power detection device 2 defeated
The reality of operating voltage that the sample circuit gone out in power and power circuit board 1 detects and operating current to power circuit board 1
Output power is adjusted, and then can avoid influencing the reality of power circuit board 1 due to the deviation of component in sample circuit
Border output power realizes the automatic calibration to the output power of power circuit board 1, it is ensured that the output work of power circuit board 1
Rate is accurate, reliable.
Calibration of power circuit according to the abovementioned embodiments of the present invention can also have following technical characteristic：
The scheme being powered for above-mentioned power circuit board 1, power detection device 2 and power regulation calibration circuit 3
There can be following two ways：
Embodiment one：
According to one embodiment of present invention, as shown in Figure 1, further including：Power module 4 is connected to the power detection
Device 2 and the power regulation calibrate circuit 3, for being supplied to the power detection device 2 and power regulation calibration circuit 3
Electricity；The power circuit board 1 is connected to the power detection device 2, and the power detection device 2 is to the power circuit board 1
Power supply.
In this embodiment, power module 4 is powered to power detection device 2 and power regulation calibration circuit 3, and work(
Rate detection device 2 is powered to power circuit board 1, it is ensured that power detection device 2 can be easily to the output work of power circuit board 1
Rate is detected.
According to one embodiment of present invention, the power detection device 2 includes：Second current detection circuit, for examining
Survey the supply current of the power circuit board 1；Second voltage detection circuit, the power supply electricity for detecting the power circuit board 1
Pressure.Processing apparatus calculates the output power of the power circuit board 1 according to the supply current and the supply voltage.
According to one embodiment of present invention, the power detection device 2 is additionally operable to, by the supply current and the confession
Piezoelectric voltage is transmitted to the power regulation calibration circuit 3；The power regulation calibration circuit 3 is additionally operable to, according to power supply electricity
The operating current of stream and the power circuit board determines whether first current detection circuit is normal, and according to the power supply
The operating voltage of voltage and the power circuit board determines whether the first voltage detection circuit is normal, and is determining described
When one current detection circuit and the normal first voltage detection circuit, execute according to the operating voltage, work electricity
The output power that stream and the power detection device 2 detect adjusts the real output of the power circuit board 1.
Specifically, when the component in power circuit board 1 when something goes wrong, the operating voltage detected and work may be caused
As electric current, there are relatively large deviations, if continuing the adjusting of output power, may also be unable to ensure the accurate of output power, therefore
Before the real output to power circuit board 1 is adjusted, it may be determined that the sample circuit detection in power circuit board 1
Whether the operating voltage and operating current arrived be normal.It is specific to determine that method is as described below：
According to one embodiment of present invention, if the deviation of the supply current and the operating current is in first in advance
Determine in range, it is determined that the operating current is normal；And if the deviation of the supply voltage and the operating voltage is in
In second preset range, it is determined that the operating voltage is normal.
Wherein, the first preset range and the second preset range can be set according to the actual deviation of detection circuit, preferably
Ground, the first preset range are in the range of ± (0.2A~1.5A), and the second preset range is in the range of ± (0.5V~3V)
It is interior.
Embodiment two：
According to one embodiment of present invention, as shown in Fig. 2, further including：Power module 4 is connected to the power detection
Device 2, power regulation calibration circuit 3 and the power circuit board 1, are used for the power detection device 2, the power
It adjusts calibration circuit 3 and the power circuit board 1 is powered.
In this embodiment, power module 4 calibrates circuit 3 to power circuit board 1, power detection device 2 and power regulation
It is powered.
According to one embodiment of present invention, the power module 4 includes alternating current or variable-frequency power sources.
According to one embodiment of present invention, the power detection device 2 and the power regulation calibration setting of circuit 3 exist
On the same circuit board or it is arranged on different circuit boards.
According to one embodiment of present invention, further include：Heating device 5 is connected to the power circuit board 1, for ringing
The power for answering the power circuit board 1 to export；Wherein, the power circuit board 1 is IH power circuit boards 1.
The invention also provides a kind of cooking apparatus, including：Calibration of power circuit as shown in Figure 1 or 2.
Technical scheme of the present invention is described in detail above in association with attached drawing, it is contemplated that since the reality of IH power circuit boards is defeated
Go out watt level to need to be determined by sampling operation voltage and operating current, and voltage sampling circuit and current sampling circuit
The deviation of component can be such that the output power of IH power circuit boards is fluctuated in bigger range, lead to IH power circuit boards
Output power is inaccurate.Therefore, the present invention proposes a kind of new calibration of power circuit, can avoid due to first in sample circuit
The deviation of device and the real output for influencing power circuit board, realize the automatic school to the output power of power circuit board
It is accurate, it is ensured that the output power of power circuit board is accurate, reliable.
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, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of calibration of power circuit, which is characterized in that including：
Power circuit board, for realizing the output of power, the power circuit board includes first voltage detection circuit, the first electric current
Detection circuit and data storage, the first voltage detection circuit are used to detect the operating voltage of the power circuit board, institute
Operating current of first current detection circuit for detecting the power circuit board is stated, the data storage is used for storage power
Calibration data；
Power detection device, the output power for detecting the power circuit board；
Power regulation calibrates circuit, is connected to the power detection device and the power circuit board, for according to described first
The operating current and institute that the operating voltage that voltage detecting circuit detects, first current detection circuit detect
State the real output that the output power that power detection device detects adjusts the power circuit board；
Wherein, the power detection device and power regulation calibration circuit are arranged on the same circuit board or are arranged not
On same circuit board；
The power detection device includes：
Second current detection circuit, the supply current for detecting the power circuit board；
Second voltage detection circuit, the supply voltage for detecting the power circuit board；
Processing apparatus calculates the output power of the power circuit board according to the supply current and the supply voltage.
2. calibration of power circuit according to claim 1, which is characterized in that further include：
Power module is connected to the power detection device and power regulation calibration circuit, is used for the power detection
Device and power regulation calibration circuit power supply；
The power circuit board is connected to the power detection device, and the power detection device is supplied to the power circuit board
Electricity.
3. calibration of power circuit according to claim 2, it is characterised in that：
The power detection device is additionally operable to, and the supply current and the supply voltage, which are transmitted to the power regulation, to be calibrated
Circuit；
The power regulation calibration circuit is additionally operable to, and is determined according to the operating current of the supply current and the power circuit board
Whether first current detection circuit is normal, and true according to the operating voltage of the supply voltage and the power circuit board
Whether the fixed first voltage detection circuit is normal, and is determining first current detection circuit and first voltage detection
When circuit is normal, execute described in being detected according to the operating voltage, the operating current and the power detection device
Output power adjusts the real output of the power circuit board.
4. calibration of power circuit according to claim 3, it is characterised in that：
If the deviation of the supply current and the operating current is in the first preset range, it is determined that the operating current
Normally；And
If the deviation of the supply voltage and the operating voltage is in the second preset range, it is determined that the operating voltage
Normally.
5. calibration of power circuit according to claim 1, which is characterized in that further include：
Power module is connected to the power detection device, power regulation calibration circuit and the power circuit board, is used for
To the power detection device, power regulation calibration circuit and power circuit board power supply.
6. the calibration of power circuit according to any one of claim 2 to 5, which is characterized in that the power module includes
Alternating current or variable-frequency power sources.
7. calibration of power circuit according to any one of claim 1 to 5, which is characterized in that further include：Heating device,
It is connected to the power circuit board, the power for responding the power circuit board output；
Wherein, the power circuit board is IH power circuit boards.
8. a kind of cooking apparatus, which is characterized in that including：Calibration of power circuit as described in any one of claim 1 to 7.
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 CN105843320A (en) | 2016-08-10 |
| CN105843320B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (3)
| 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. |
| CN102525253B (en) * | 2012-01-18 | 2014-02-26 | 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 | A power detection circuit and an electric fan using the power detection circuit |
-
2015
- 2015-01-16 CN CN201510024610.XA patent/CN105843320B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105843320A (en) | 2016-08-10 |
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Granted publication date: 20180807 |