CN107307723A - Cooking machine circuit and cooking machine - Google Patents
Cooking machine circuit and cooking machine Download PDFInfo
- Publication number
- CN107307723A CN107307723A CN201610264830.4A CN201610264830A CN107307723A CN 107307723 A CN107307723 A CN 107307723A CN 201610264830 A CN201610264830 A CN 201610264830A CN 107307723 A CN107307723 A CN 107307723A
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- Prior art keywords
- motor
- circuit
- cooking machine
- common mode
- heating module
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- 238000010411 cooking Methods 0.000 title claims abstract description 71
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 235000013305 food Nutrition 0.000 claims abstract description 28
- 230000001629 suppression Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 16
- 235000021067 refined food Nutrition 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000035764 nutrition Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000009246 food effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
The invention discloses a kind of cooking machine circuit and cooking machine, wherein, the circuit includes：Motor, motor is used to drive food process part with processed food；Electromagnetic heating module, electromagnetic heating module is used to heat food；Motor-drive circuit, motor-drive circuit is connected with motor to be operated with motor；Main control chip, main control chip is connected with motor-drive circuit and electromagnetic heating module respectively, and main control chip is used for controlled motor drive circuit motor and control electromagnetic heating module carries out resonance heating；Electromagnetic interference suppression module, electromagnetic interference suppression module includes two stage filter circuit, and the power import that electromagnetic interference suppression module is arranged on cooking machine sentences the electromagnetic interference for suppressing motor and electromagnetic heating module generation by two stage filter circuit.According to the cooking machine circuit of the present invention, the electromagnetic interference that motor and electromagnetic heating module are produced can effectively be suppressed.
Description
Technical field
The present invention relates to household electrical appliance technical field, more particularly to a kind of cooking machine circuit and cooking machine.
Background technology
The life that the popularization of cooking machine gives people brings great convenience.At present, there is motor in the cooking machine such as jar mostly
Rotating speed is low and does not possess the shortcoming of heating function, therefore the effect of food process is not good enough.
The cooking machine of Electromagnetic Heating function is proposed with pot motor or possessed in correlation technique, substantially increases cooking machine
Food process effect.However, pot motor and Electromagnetic Heating part can produce larger electromagnetic interference, easily to material
Reason machine is in itself and the work of surrounding electrical equipment is impacted.
The content of the invention
It is contemplated that at least solving one of technical problem in above-mentioned technology to a certain extent.Therefore, one of the present invention
Purpose is to propose a kind of cooking machine circuit, and the electromagnetic interference that motor and electromagnetic heating module are produced effectively can be suppressed,
So as to effectively prevent electromagnetic interference to cooking machine in itself and its surrounding electrical equipment influence, improve cooking machine and its surrounding electrical equipment
The stability of work.
It is another object of the present invention to propose a kind of cooking machine.
The cooking machine circuit that embodiment is proposed according to a first aspect of the present invention, including：Motor, the motor is used to drive food
Processing component is with processed food；Electromagnetic heating module, the electromagnetic heating module is used to heat the food；Motor
Drive circuit, the motor-drive circuit is connected to drive the motor to operate with the motor；Main control chip, the master control
Chip is connected with the motor-drive circuit and the electromagnetic heating module respectively, and the main control chip is used to control the motor
Drive circuit drives the motor and controls the electromagnetic heating module to carry out resonance heating；Electromagnetic interference suppression module, it is described
Electromagnetic interference suppression module includes two stage filter circuit, and the electromagnetic interference suppression module is arranged at the power import of cooking machine
To suppress the electromagnetic interference that the motor and the electromagnetic heating module are produced by the two stage filter circuit.
Cooking machine circuit according to embodiments of the present invention, motor can drive the food process part of cooking machine to operate with processed food,
Electromagnetic heating module can carry out resonance heating to food, so that cooking machine has preferable food process effect, lead to simultaneously
Crossing setting includes the electromagnetic interference suppression module of two stage filter circuit, the electromagnetic interference produced to motor and electromagnetic heating module
Effectively suppressed, so as to effectively prevent electromagnetic interference to cooking machine in itself and its surrounding electrical equipment influence, improve material
The stability of reason machine and its surrounding electrical work.
In addition, the cooking machine circuit proposed according to the above embodiment of the present invention can also have technical characteristic additional as follows：
Specifically, the two stage filter circuit is the first π types filter circuit and the 2nd π type filter circuits.
Further, the first π types filter circuit includes the first common mode inductance, the first X electric capacity and the 2nd X electric capacity, its
In, the first X capacitance connections are between the first input end and the second input of first common mode inductance, and described second
X capacitance connections are between the first output end and the second output end of first common mode inductance, and the of first common mode inductance
The zero line and live wire of one input and the second input correspondence connection electric main.
Also, the 2nd π types filter circuit includes the second common mode inductance, the 3rd X electric capacity and the 4th X electric capacity, wherein,
The 3rd X capacitance connections are between the first input end and the second input of second common mode inductance, the 4th X electricity
Appearance is connected between the first output end of second common mode inductance and the second output end, and the first of second common mode inductance is defeated
Enter the first output end and the second output end of end connection first common mode inductance corresponding with the second input.
Specifically, the electromagnetic interference suppression module also includes common mode disturbances filtering circuit, and the common mode disturbances filtering circuit connects
It is connected between the first π types filter circuit and the 2nd π type filter circuits.
Further, the common mode disturbances filtering circuit includes first resistor, the first Y capacitance and the second Y capacitance of series connection,
Node between the first Y capacitance and the second Y capacitance of the series connection is grounded by the first resistor.
According to one embodiment of present invention, described cooking machine circuit also includes protection module, and the protection module includes：
The second resistance of series connection is to the 4th resistance, and the second resistance of the series connection is in parallel with the first X electric capacity to the 4th resistance；Pressure
Quick resistance, the piezo-resistance is in parallel with the first X electric capacity；Protective tube, one end of the protective tube exchanges city with described
The live wire of electricity is connected, and the other end of the protective tube is connected with the second input of first common mode inductance.
Specifically, the electromagnetic heating module include resonant element and IGBT (Insulated Gate Bipolar Transistor,
Insulated gate bipolar transistor), one end of the resonant element is extremely connected with the C of the IGBT, the resonant element it is another
One end is connected with the current rectifying and wave filtering circuit in the cooking machine circuit, and the G poles of the IGBT are connected with IGBT drive circuit,
The E poles ground connection of the IGBT, the IGBT drive circuit is controlled by the main control chip.
According to one embodiment of present invention, described cooking machine circuit also include Switching Power Supply, the Switching Power Supply respectively with
The motor-drive circuit, the main control chip be connected with the IGBT drive circuit with respectively give the motor-drive circuit,
The main control chip and the IGBT drive circuit are powered.
The cooking machine that embodiment is proposed according to a second aspect of the present invention, including the material that embodiment is proposed according to a first aspect of the present invention
The electromechanical road of reason.
Cooking machine according to embodiments of the present invention, motor can drive the operating of food process part with processed food, Electromagnetic Heating mould
Block can carry out resonance heating to food, thus with preferable food process effect, while including two stage filter electricity by setting
The electromagnetic interference suppression module on road, is effectively suppressed come the electromagnetic interference to motor and electromagnetic heating module generation, so as to
It is enough effectively prevent electromagnetic interference to cooking machine in itself and its surrounding electrical equipment influence, improve cooking machine and its surrounding electrical work
Stability.
Brief description of the drawings
Fig. 1 is the block diagram of the cooking machine circuit according to the embodiment of the present invention；
Fig. 2 is the schematic diagram of the cooking machine circuit according to one embodiment of the invention；
Fig. 3 is the sectional view of the cooking machine according to one embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The cooking machine circuit and cooking machine of the embodiment of the present invention described below in conjunction with the accompanying drawings.
Fig. 1 is the block diagram of the cooking machine circuit according to the embodiment of the present invention.
As shown in figure 1, the cooking machine circuit includes：Motor 10, electromagnetic heating module 20, motor-drive circuit 30, master control
Chip 40 and electromagnetic interference suppression module 50.
Wherein, motor 10 is used to drive food process part with processed food；Electromagnetic heating module 20 is used to carry out food
Heating；Motor-drive circuit 30 is connected with motor 10 to be operated with motor 10；Main control chip 40 drives with motor respectively
Circuit 30 is connected with electromagnetic heating module 20, and main control chip 40 is used for the motor 10 of controlled motor drive circuit 30 and control
Electromagnetic heating module 20 processed carries out resonance heating；Electromagnetic interference suppression module 50 includes two stage filter circuit, electromagnetic interference suppression
The power import that molding block 50 is arranged on cooking machine is sentenced by two stage filter circuit suppression motor 10 and electromagnetic heating module 20
The electromagnetic interference of generation.
In one embodiment of the invention, motor 10 can be pot motor, and its unloaded rotating speed can reach 20000r/min
More than, so as to have particularly preferred processing effect to plant food materials, the cell membrane of plant cell can be broken, nutrition is fully released
Put.As shown in Fig. 2 electromagnetic heating module 20 may include resonant element 21 and IGBT, one end of resonant element 21 and IGBT
C extremely be connected, the other end of resonant element 21 is connected with the current rectifying and wave filtering circuit in cooking machine circuit, IGBT G poles and
IGBT drive circuit 22 is connected, and IGBT E poles ground connection, IGBT drive circuit 22 is controlled by main control chip 40.Wherein,
Current rectifying and wave filtering circuit may include rectification module UR001, filter inductance Lf and filter capacitor Cf.IGBT drive circuit can control
IGBT quick on-offs, working frequency is in 20kHz~30kHz.Resonant element 21 can be by heating coil Lh and resonant capacitance Cre
It is formed in parallel, can spatially produces the magnetic field of a Fast transforms.As shown in figure 3, cooking machine may include main body and food
Thing processing component, motor 10 and electromagnetic heating module 20 can be located in main body, and food process part is (for example, can be stirring
Cup) bottom is made using permeability magnetic material, the magnetic strength wire cutting food process produced by the heating coil in electromagnetic heating module 20
Feature bottom can make food process feature bottom fast heating to form vortex, and the power of electromagnetic heating module 20 is controllable
System can be heated in 800W~2000W for different foods using different capacity, to reach the effect of fully release food nutrition
Really.
In the cooking machine circuit of the embodiment of the present invention, pot motor and electromagnetic heating module can produce larger electromagnetism and do
Disturb.Therefore, electromagnetic interference can be suppressed by the electromagnetic interference suppression module 50 including two stage filter circuit.In this hair
In bright one embodiment, two stage filter circuit can be the first π types filter circuit 51 and the 2nd π types filter circuit 52.Its
In, as shown in Fig. 2 the first π types filter circuit 51 may include the first common mode inductance TR001, the first X electric capacity C001 and
2nd X electric capacity C002, wherein, the first X electric capacity C001 be connected to the first common mode inductance TR001 first input end and
Between second input, the 2nd X electric capacity C002 is connected to the first common mode inductance TR001 the first output end and the second output
Between end, the first common mode inductance TR001 first input end and the second input correspondence connection electric main zero line N and
Live wire L.2nd π types filter circuit 52 may include the second common mode inductance TR002, the 3rd X electric capacity C003 and the 4th X electricity
Hold C004, wherein, the 3rd X electric capacity C003 is connected to the second common mode inductance TR002 first input end and the second input
Between, the 4th X electric capacity C004 is connected between the second common mode inductance TR002 the first output end and the second output end, the
The first common mode inductance TR001 of two common mode inductance TR002 first input end and the correspondence connection of the second input the first output end
With the second output end.In an embodiment of the present invention, the first common mode inductance TR001 and the second common mode inductance TR002 can be used for
The electromagnetic interference signal of suppression common mode, first to fourth X electric capacity can be used for the electromagnetic interference signal for suppressing differential mode.
In addition, as shown in Fig. 2 electromagnetic interference suppression module 50 may also include common mode disturbances filtering circuit 53, common mode disturbances mistake
Filter circuit 53 is connected between the first π types filter circuit 51 and the 2nd π types filter circuit 52.Specifically, common mode disturbances mistake
Filter circuit 53 may include first resistor R1, the first Y capacitance C101 and the second Y capacitance C102 of series connection, the first of series connection
Node between Y capacitance C101 and the second Y capacitance C102 is grounded by first resistor R1.In an embodiment of the present invention,
First Y capacitance and the second Y capacitance can further filter out the interference signal of common mode, and first resistor can be limited because of the first Y electricity
The leakage current that appearance and the second Y capacitance capacitance are excessive and produce.
In one particular embodiment of the present invention, the first common mode inductance TR001 and the second common mode inductance TR002 inductance value
1mH~10mH is can use, the capacitance of first to fourth X electric capacity can use 0.1uF~2uF, the first Y capacitance and the second Y capacitance
Capacitance can use 100pF~4700pF, the resistance of first resistor can be true according to the capacitance of the first Y capacitance and the second Y capacitance
It is fixed, it specifically can use 0~10k Ω.
As shown in Fig. 2 being the safety on the electromechanical road of protection cooking, protection module 60 can be also set in cooking machine circuit.Tool
Body, protection module 60 may include：The second resistance R2 of series connection to the 4th resistance R4, piezo-resistance RV and protective tube F,
Wherein, the second resistance R2 of series connection to the 4th resistance R4 is in parallel with the first X electric capacity C001, when the power supply for pulling up cooking machine
During line plug, the second resistance R2 to the 4th resistance R4 of series connection can discharge the residual voltage on plug between zero line and live wire,
Prevent user from being got an electric shock when encountering plug；Piezo-resistance RV is in parallel with the first X electric capacity C001, can prevent lightning surge from disturbing；
Protective tube F one end is connected with the live wire L of electric main, and the of the protective tube F other end and the first common mode inductance TR001
Two inputs are connected, when short circuit occurs in cooking machine circuit, and protective tube F can disconnect protecting a circuit from damaging.
In addition, as shown in Fig. 2 the cooking machine circuit of the embodiment of the present invention may also include Switching Power Supply 70, Switching Power Supply 70
It is connected respectively with motor-drive circuit 30, main control chip 40 and the IGBT drive circuit 22, to be driven respectively to motor
Circuit 30, main control chip 40 and IGBT drive circuit 22 are powered.
Cooking machine circuit according to embodiments of the present invention, motor can drive the food process part of cooking machine to operate with processed food,
Electromagnetic heating module can carry out resonance heating to food, so that cooking machine has preferable food process effect, lead to simultaneously
Crossing setting includes the electromagnetic interference suppression module of two stage filter circuit, the electromagnetic interference produced to motor and electromagnetic heating module
Effectively suppressed, so as to effectively prevent electromagnetic interference to cooking machine in itself and its surrounding electrical equipment influence, improve material
The stability of reason machine and its surrounding electrical work.
Correspondence above-described embodiment, the present invention also proposes a kind of cooking machine.
The cooking machine of the embodiment of the present invention, including the cooking machine circuit that the above embodiment of the present invention is proposed, its specific embodiment party
Formula can refer to above-described embodiment, to avoid redundancy, will not be repeated here.
Cooking machine according to embodiments of the present invention, motor can drive the operating of food process part with processed food, Electromagnetic Heating mould
Block can carry out resonance heating to food, thus with preferable food process effect, while including two stage filter electricity by setting
The electromagnetic interference suppression module on road, is effectively suppressed come the electromagnetic interference to motor and electromagnetic heating module generation, so as to
It is enough effectively prevent electromagnetic interference to cooking machine in itself and its surrounding electrical equipment influence, improve cooking machine and its surrounding electrical work
Stability.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include one or more this feature containing ground.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be machinery
Connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
The interaction relationship of connection or two elements inside part.For the ordinary skill in the art, can be according to tool
Body situation understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be "above" or "below" second feature
First and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or the feature bag that the embodiment or example are described
It is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (10)
1. a kind of cooking machine circuit, it is characterised in that including：
Motor, the motor is used to drive food process part with processed food；
Electromagnetic heating module, the electromagnetic heating module is used to heat the food；
Motor-drive circuit, the motor-drive circuit is connected to drive the motor to operate with the motor；
Main control chip, the main control chip is connected with the motor-drive circuit and the electromagnetic heating module respectively, the master
Control chip is used to control the motor-drive circuit to drive the motor and controls the electromagnetic heating module to carry out resonance heating；
Electromagnetic interference suppression module, the electromagnetic interference suppression module includes two stage filter circuit, and the electromagnetic interference suppresses mould
The power import that block is arranged on cooking machine is sentenced by the two stage filter circuit suppression motor and the electromagnetic heating module
The electromagnetic interference of generation.
2. cooking machine circuit according to claim 1, it is characterised in that the two stage filter circuit is filtered for the first π types
Wave circuit and the 2nd π type filter circuits.
3. cooking machine circuit according to claim 2, it is characterised in that the first π types filter circuit includes first
Common mode inductance, the first X electric capacity and the 2nd X electric capacity, wherein, the first X capacitance connections are in first common mode inductance
Between first input end and the second input, the 2nd X capacitance connections first common mode inductance the first output end and
Between second output end, the first input end of first common mode inductance and the second input correspondence connect the zero of electric main
Line and live wire.
4. cooking machine circuit according to claim 3, it is characterised in that the 2nd π types filter circuit includes second
Common mode inductance, the 3rd X electric capacity and the 4th X electric capacity, wherein, the 3rd X capacitance connections are in second common mode inductance
Between first input end and the second input, the 4th X capacitance connections second common mode inductance the first output end and
Between second output end, the first input end of second common mode inductance and the second input correspondence connection the first common mode electricity
The first output end and the second output end of sense.
5. cooking machine circuit according to claim 2, it is characterised in that the electromagnetic interference suppression module is also included altogether
Mould disturbs filtering circuit, and the common mode disturbances filtering circuit is connected to the first π types filter circuit and filtered with the 2nd π types
Between wave circuit.
6. cooking machine circuit according to claim 5, it is characterised in that the common mode disturbances filtering circuit includes first
Resistance, the first Y capacitance and the second Y capacitance of series connection, the section between the first Y capacitance and the second Y capacitance of the series connection
Point is grounded by the first resistor.
7. cooking machine circuit according to claim 3, it is characterised in that also including protection module, the protection module
Including：
The second resistance of series connection is to the 4th resistance, and the second resistance of the series connection is in parallel with the first X electric capacity to the 4th resistance；
Piezo-resistance, the piezo-resistance is in parallel with the first X electric capacity；
Protective tube, one end of the protective tube is connected with the live wire of the electric main, the other end of the protective tube with it is described
Second input of the first common mode inductance is connected.
8. the cooking machine circuit according to any one of claim 1-7, it is characterised in that the electromagnetic heating module bag
Include resonant element and IGBT, one end of the resonant element is extremely connected with the C of the IGBT, the resonant element it is another
End is connected with the current rectifying and wave filtering circuit in the cooking machine circuit, and the G poles of the IGBT are connected with IGBT drive circuit,
The E poles ground connection of the IGBT, the IGBT drive circuit is controlled by the main control chip.
9. cooking machine circuit according to claim 8, it is characterised in that also including Switching Power Supply, the Switching Power Supply
It is connected to drive to the motor respectively with the motor-drive circuit, the main control chip and the IGBT drive circuit respectively
Dynamic circuit, the main control chip and the IGBT drive circuit are powered.
10. a kind of cooking machine, it is characterised in that including the cooking machine circuit according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264830.4A CN107307723A (en) | 2016-04-26 | 2016-04-26 | Cooking machine circuit and cooking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610264830.4A CN107307723A (en) | 2016-04-26 | 2016-04-26 | Cooking machine circuit and cooking machine |
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| CN107307723A true CN107307723A (en) | 2017-11-03 |
Family
ID=60184368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610264830.4A Pending CN107307723A (en) | 2016-04-26 | 2016-04-26 | Cooking machine circuit and cooking machine |
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| CN (1) | CN107307723A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112737A (en) * | 2019-06-03 | 2019-08-09 | 珠海格力电器股份有限公司 | Filtering circuit and filtering method for alternating current power grid capable of reducing earth leakage current |
| CN110236426A (en) * | 2018-03-07 | 2019-09-17 | 广东美的生活电器制造有限公司 | Food processor and base for food processor |
| EP3731609A4 (en) * | 2018-03-07 | 2021-03-03 | Guangdong Midea Consumer Electrics Manufacturing Co., Ltd. | KITCHEN MACHINE AS WELL AS PLATE ARRANGEMENT AND BASE FOR USE FOR A KITCHEN MACHINE |
| CN112910247A (en) * | 2021-01-25 | 2021-06-04 | 珠海格力电器股份有限公司 | Filter device and refrigerator |
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| CN112910247A (en) * | 2021-01-25 | 2021-06-04 | 珠海格力电器股份有限公司 | Filter device and refrigerator |
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Application publication date: 20171103 |