CN208769459U - Cooking machine circuit and cooking machine - Google Patents
Cooking machine circuit and cooking machine Download PDFInfo
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- CN208769459U CN208769459U CN201820201672.2U CN201820201672U CN208769459U CN 208769459 U CN208769459 U CN 208769459U CN 201820201672 U CN201820201672 U CN 201820201672U CN 208769459 U CN208769459 U CN 208769459U
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- cooking machine
- control board
- motor
- power supply
- machine circuit
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Abstract
The utility model discloses a kind of cooking machine circuit and cooking machine, wherein, cooking machine circuit includes operational order for receiving user and controls display control board, the motor module for being stirred to food, the power control board for power supply that cooking machine works according to preset mode；Wherein power control board includes safety power supply, and safety power supply provides default safe voltage for motor module；The power supply that the control command and safety power supply that motor module is sent according to display control board provide, is stirred food.Technical solutions of the utility model avoid electric shock risk that may be present, eliminate safe hidden trouble.
Description
Technical field
The utility model relates to technical field of electric appliances, in particular to a kind of cooking machine circuit and cooking machine.
Background technique
Cooking machine is micro computer manipulation intelligent cooking equipment of new generation, and cooking machine is mainly characterized by convenience, shirtsleeve operation
And without oil smoke.Cooking machine can not only automatic frying, decoct, cook, frying, etc. multi-purpose pots function, easily realize the process of cooking from
Dynamicization.
On the existing general holding pot cover of IH intelligent cooking machine stirring motor, when sealing structure is bad, the steaming in cooking process
Vapour is directly entered inside motor, and water droplet is formed after condensation, and there are electric shock risks, and there are security risks.
Utility model content
The main purpose of the utility model is to provide a kind of cooking machine circuit, it is intended to electric shock risk that may be present is avoided,
It eliminates safe hidden trouble.
To achieve the above object, the utility model proposes cooking machine circuit, including display control board, motor module, use
In the power control board of power supply；Wherein
The power control board includes safety power supply, and the safety power supply provides default safety electricity for the motor module
Pressure；The power supply that the control command and the safety power supply that the motor module is sent according to display control board provide, to food into
Row stirring.
Preferably, the cooking machine circuit further includes motor control panel, and the safety power supply is that the motor control panel mentions
For presetting safe voltage；What the control command and the safety power supply that the motor control panel is sent according to display control board provided
Power supply, driving motor module are stirred food.
Preferably, the display control board is connect with the power control board, the motor module and the motor control
Plate connection；The display control board is connect with the motor control panel using communication isolation circuit.
Preferably, the display control board is connect with the power control board, the motor module and the motor control
Plate connection；The power control board is connect with the motor control panel using communication isolation circuit.
Preferably, the motor module includes direct current generator；The motor control panel includes power end, ground terminal, speed
Control terminal, motor steering control terminal and velocity feedback end；The power end, ground terminal, speed control end, motor steering control
End and velocity feedback end are connect with the motor module.
Preferably, the display control board includes display unit, main control chip and operating unit；The display unit, master
Control chip and operating unit are sequentially connected, and the main control chip is also connect with the power control board.
Preferably, the cooking machine circuit further includes temperature detecting module and fan；The temperature detecting module and described
Fan is connect with the power control board.
Preferably, the range of the default safe voltage is no more than 36V.
Preferably, cooking machine circuit further includes first coil disk and the second coil panel；The first coil disk and described
Two coil disk is connect with the power control board, and the power control board is connect with the display control board；The First Line
Circle disk is set to the bottom of cookware in cooking machine, and second coil panel is set to the following side of cookware in the cooking machine.
To achieve the above object, the utility model also proposes a kind of cooking machine, including cooking machine circuit as described above.It should
Cooking machine circuit include the operational order for receiving user and control display control board that cooking machine works according to preset mode,
Motor module for being stirred to food, the power control board for power supply；Wherein the power control board includes safety
Power supply, the safety power supply provide default safe voltage for the motor module；The motor module is sent out according to display control board
The power supply that the control command sent and the safety power supply provide, is stirred food.
Technical solutions of the utility model form one kind by setting display control board, motor module and power control board
Cooking machine circuit.In cooking machine circuit, it is provided with safety power supply in the power control board, which mentions for motor module
For presetting safe voltage, it can be readily appreciated that when water inlet or other reasons lead to electric leakage in i.e. convenient motor module, voltage
Safe voltage is also at hereinafter, not will lead to user of service's sending Danger Electric shock risk, eliminates security risk.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the functional block diagram of the utility model cooking machine circuit first embodiment；
Fig. 2 is the functional block diagram of the utility model cooking machine circuit second embodiment；
The circuit diagram of one embodiment of Fig. 3 the utility model communication isolation circuit.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Display control board | 800 | First coil disk |
| 101 | Main control chip | 900 | Communication isolation circuit |
| 102 | Display unit | R1~R4 | First resistor is to the 4th resistance |
| 103 | Operating unit | VDD1 | First DC power supply |
| 200 | Motor module | VDD2 | Second DC power supply |
| 300 | Power control board | OP1 | First photoelectrical coupler |
| 400 | Motor control panel | OP2 | Second photoelectrical coupler |
| 500 | Temperature detecting module | 10 | First communication leg |
| 600 | Fan | 20 | Second communication leg |
| 700 | First coil disk |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Occur it is conflicting or when cannot achieve should people think that the combination of this technical solution is not present, also do not wanted in the utility model
Within the protection scope asked.
The utility model proposes a kind of cooking machine circuits.
Referring to figs. 1 to Fig. 3, in the utility model embodiment, the cooking machine circuit, including the operation for receiving user
Instruct and control display control board 100, the motor module for being stirred to food that cooking machine works according to preset mode
200, for the power control board of power supply 300.
Wherein, the power control board 300 includes safety power supply VDD, and the safety power supply provides for the motor module
Default safe voltage；The control command and the safety power supply that the motor module 200 is sent according to display control board 100 provide
Power supply, food is stirred.
In the present embodiment, the display control board 100 includes display unit 102, main control chip 101 and operating unit 103；
The display unit 102, main control chip 101 and operating unit 103 are sequentially connected, the main control chip 101 also with the power supply
Control panel 300 connects.
Display unit 102 includes display, relevant parameter when display is for showing that cooking machine works, such as temperature,
Heating time, operating mode etc..There is for realizing cooking machine journey needed for various operating modes burning in main control chip 101
Sequence enables cooking machine to carry out in cooking machine according to default step.Operating unit 103 can be using switch key, touching
Key realization is touched, user is arranged in cooking by these keys, and required operating mode is selected, such as decoct, fry, cook, fried,
It steams, boils, stew, iron, bake etc..
The cooking machine circuit further includes temperature detecting module 500 and fan 600；The temperature detecting module 500 and institute
Fan 600 is stated to connect with the power control board 300.Temperature detecting module 500 can be realized using temperature sensor, be used for
The temperature of the cookware of acquisition cooking machine in real time, the important parameter carried out as control cooking.Fan 600 is then for controlling power supply
Plate 300, display control board 100 etc. radiate, and heating device can generate a large amount of heat when cooking machine works, these heats can pass
It is directed at power control board 300, display control board 100 etc., is timely drained heat by 600 timing of fan, to prevent these
Electronic component on power control board 300, display control board 100 is lost excessive because of temperature height.
It should be noted that power control board 300 by the alternating current in alternating current by filtering, rectification, pressure stabilizing etc. processing after,
Be converted to the required voltage class such as display control board 100.Safety power supply, safety electricity are also integrated in the power control board 300
Source provides safe voltage DC power supply below.According to safety, safe voltage refers to 36V voltage below in the present embodiment.
It can be readily appreciated that including the motor for stirring in motor module 200, motor is connect with stirring rod.Motor
It is powered using safe voltage power supply below is less than, according to the control command that display control board 100 exports, motor is according to pre-
If speed, rotated, to be stirred to food.
In general, the motor in motor module 200 is set on the upside of the pot cover of cooking machine, since vapor is easy to appear short circuit
Electric leakage.And power control board 300 is then set in the pedestal of cooking machine, is not in drain conditions in sealed environment.
Technical solutions of the utility model pass through setting display control board 100, motor module 200 and power control board 300, shape
At a kind of cooking machine circuit.In cooking machine circuit, it is provided with safety power supply in the power control board 300, the safety power supply
Default safe voltage is provided for motor module 200, it can be readily appreciated that water inlet or other originals in i.e. convenient motor module 200
When because leading to electric leakage, voltage is also at safe voltage hereinafter, not will lead to user of service's sending Danger Electric shock risk, eliminates safety
Hidden danger.
Further, the cooking machine circuit further includes motor control panel 400, and the safety power supply is the motor control
Plate 400 provides default safe voltage；Control command that the motor control panel 400 is sent according to display control board 100 and described
The power supply that safety power supply provides, driving motor module 200 are stirred food.
By increasing motor control panel 400, the display control board 100 for being is more abundant and smart to the control function of motor
Standard, in the present embodiment, the motor in the motor module 200 uses direct current generator, which can be used typical safety
Voltage, such as 24V ± 1V or 12V ± 1V.These typical voltages can sample existing more mature power technology and realize, drop
Low research and development cost, while stability is preferable.
The present embodiment, the motor control panel 400 include power end VDD, ground terminal GND, speed control end PWM, motor
Course changing control end CW and velocity feedback end FG；The power end VDD, ground terminal GND, speed control end PWM, motor steering control
End CW processed and velocity feedback end FG are connect with the motor module 200.Power end VDD and ground terminal GND is received from safety
The electric energy of power supply.Speed control end PWM (Pulse Width Modulation, pulse width modulation), which is received, comes from display control
The pwm control signal of plate 100, sampling PWM control, which is realized, controls the revolving speed of motor.
PWM control is exactly to control the on-off of inverter circuit switching device, and output end is made to obtain a series of amplitude phases
Deng pulse, sine wave or required waveform are replaced with these pulses.Namely produced in the half period of output waveform
Raw multiple pulses make the equal threshold voltages of each pulse be positive string waveform, output smoothing obtained and low-order harmonic is few.By certain
Rule is modulated the width of each pulse, i.e., output frequency also can be changed in the size of changeable inverter circuit output voltage, from
And change the revolving speed of motor.
It is specifically logical by this present embodiment, motor is direct current generator, thus can be carried out automatically controlling to the steering of motor
Motor steering control terminal CW output turn signal is crossed, the motor for being can be rotated forward or be rotated backward.Display control board 100 is also
The speed feedback of motor can be obtained by velocity feedback end FG, so as to adjust motor speed in real time, so that the reality of motor
Border revolving speed matches with given rotating speed.
Please continue to refer to Fig. 1, further, the display control board 100 respectively with the power control board 300 and described
Motor control panel 400 connects, and the motor module 200 is connect with the motor control panel 400；The wherein display control board
100 are connect with the motor control panel 400 using communication isolation circuit 900.In this way, realizing a kind of specific cooking machine circuit
Topological structure.
Please continue to refer to Fig. 2, in addition, the utility model also provides another cooking machine circuit topological structure: the display
Control panel 100 is connect with the power control board 300, and the power control board 300 is connect with the motor control panel 400, institute
Motor module 200 is stated to connect with the motor control panel 400；Wherein, the power control board 300 and the motor control panel
400 are connected using communication isolation circuit 900.
The difference of the two is that the connection type of motor control panel 400 is different: motor control panel 400 can directly with
Display control board 100 connects, and receives the control command of display control board 100.It can also connect with power control board 300, connect indirectly
Receive the control command from display control board 100.It should be noted that others are cooked under the inventive concept of the utility model
It prepares food machine circuit topological structure, is also contained in the protection scope of the utility model.
Communication isolation circuit 900 can be used to be realized using the communication isolation circuit that photoelectrical coupler is constituted as main devices.
In one embodiment, referring to Fig. 3, communication isolation circuit 900 includes the first DC power supply VDD1, the second DC power supply
VDD2, the first communication leg 10 and the second communication leg 20.Wherein the first communication leg 10 include the first photoelectrical coupler OP1,
First resistor R1 and 3rd resistor R3.The control signal of first DC power supply VDD1 and the first photoelectrical coupler OP1 connects
It connecing, the control output end of the first photoelectrical coupler OP1 is connect with the first end of the first resistor R1, and the second of first resistor R1
End is used as transmitting terminal TXD1；Second DC power supply VDD2 is anti-through the 3rd resistor R3 and the first photoelectrical coupler OP1's
Input terminal connection is presented, the feedback output end of the first photoelectrical coupler OP1 is grounded, and the feedback of the first photoelectrical coupler OP1 is defeated
Enter end also to connect with the motor control panel 400, the feedback input end of the first photoelectrical coupler OP1 is as receiving end RXD2.
Second communication leg 20 includes second resistance R2, the 4th resistance R4 and the second photoelectrical coupler OP2；Described first is straight
Galvanic electricity source VDD1 is connect through the second resistance R2 with the feedback input end of the second photoelectrical coupler OP2, second light
The feedback output end of electric coupler OP2 is grounded, and the feedback input end of the second photoelectrical coupler OP2 is as receiving end RXD1.It is described
Second DC power supply VDD2 is connect with the control signal of the second photoelectrical coupler OP2, the second photoelectrical coupler OP2
Control output end connect with the first end of the 4th resistance R4, the second end of the 4th resistance R4 and the motor control
Plate 400 connects, and the second end of the 4th resistance R4 is also used as transmitting terminal TXD2.
It should be noted that the control signal and control output end in this implementation refer in photoelectrical coupler with luminous
The side of diode, feedback output end and feedback output end refer to the side with photo resistance.
Different, the hair of the transmitting terminal of first communication leg 10 and the second communication leg 20 according to cooking machine circuit topology
End is penetrated to connect with power control board 300 or connect with the display control board 100.
By using communication isolation circuit 900, the interference such as the harmonic wave in motor module 200 is avoided to enter display control board
In 100, the stability of display control board 100 is improved.
Further, cooking machine circuit further includes first coil disk 700 and the second coil panel 800；The first coil disk
700 and second coil panel 800 connect with the power control board 300, the power control board 300 and the master control core
Piece 101 connects；The first coil disk 700 is set to the bottom of cookware in cooking machine, and second coil panel 800 is set to institute
State the following side of cookware in cooking machine.
It should be noted that only one coil panel for heating, the utility model are provided with 2 on traditional cooking machine
A heater coil disc realizes double section heating functions.Cookware bottom, cookware following side heating function may be implemented simultaneously.Power supply control
Power regulation can be carried out to first coil disk 700 and second coil panel 800 in making sheet 300, to control the logical of power tube
Disconnected realize carries out double sections to first coil disk 700 and the second coil panel 800 while the heating functions such as heating or alternating heating.
It so, it is possible to realize simultaneously or timesharing heating function, accelerate the culinary art progress of food, so that food is sufficiently heated,
Improve food mouthfeel.
The utility model also proposes a kind of cooking machine, which includes above-mentioned cooking machine circuit, the cooking machine circuit
Specific structure is referring to above-described embodiment, since this cooking machine uses whole technical solutions of above-mentioned all embodiments, until
All beneficial effects brought by technical solution with above-described embodiment less, this is no longer going to repeat them.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of cooking machine circuit, which is characterized in that the cooking machine circuit includes display control board, motor module, Yi Jiyong
In the power control board of power supply；Wherein
The power control board includes safety power supply, and the safety power supply provides default safe voltage for the motor module；Institute
The control command that motor module is sent according to the display control board and the power supply that the safety power supply provides are stated, food is carried out
Stirring.
2. cooking machine circuit as described in claim 1, which is characterized in that the cooking machine circuit further includes motor control panel,
The safety power supply provides default safe voltage for the motor control panel；The motor control panel is sent according to display control board
Control command and the safety power supply provide power supply, drive the motor module to be stirred food.
3. cooking machine circuit as claimed in claim 2, which is characterized in that the display control board and the power control board connect
It connects, the motor module is connect with the motor control panel；The display control board and the motor control panel using communicate every
From circuit connection.
4. cooking machine circuit as claimed in claim 2, which is characterized in that the display control board and the power control board connect
It connects, the motor module is connect with the motor control panel；The power control board and the motor control panel using communicate every
From circuit connection.
5. cooking machine circuit as claimed in claim 2, which is characterized in that the motor module includes direct current generator；The electricity
Machine control panel includes power end, ground terminal, speed control end, motor steering control terminal and velocity feedback end；The power end,
Ground terminal, speed control end, motor steering control terminal and velocity feedback end are connect with the motor module.
6. cooking machine circuit as claimed in claim 2, which is characterized in that the display control board includes display unit, master control
Chip and operating unit；The display unit, main control chip and operating unit are sequentially connected, the main control chip also with the electricity
The connection of source control panel.
7. cooking machine circuit as claimed in claim 2, which is characterized in that the cooking machine circuit further includes temperature detecting module
And fan；The temperature detecting module and the fan are connect with the power control board.
8. cooking machine circuit as claimed in any of claims 1 to 7 in one of claims, which is characterized in that the default safe voltage
Range is no more than 36V.
9. cooking machine circuit as claimed in any of claims 1 to 7 in one of claims, which is characterized in that cooking machine circuit further includes
One coil panel and the second coil panel；The first coil disk and second coil panel are connect with the power control board, institute
Power control board is stated to connect with the display control board；The first coil disk is set to the bottom of cookware in cooking machine, described
Second coil panel is set to the following side of cookware in the cooking machine.
10. a kind of cooking machine, which is characterized in that including cooking machine circuit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820201672.2U CN208769459U (en) | 2018-02-05 | 2018-02-05 | Cooking machine circuit and cooking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820201672.2U CN208769459U (en) | 2018-02-05 | 2018-02-05 | Cooking machine circuit and cooking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769459U true CN208769459U (en) | 2019-04-23 |
Family
ID=66141112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820201672.2U Active CN208769459U (en) | 2018-02-05 | 2018-02-05 | Cooking machine circuit and cooking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208769459U (en) |
-
2018
- 2018-02-05 CN CN201820201672.2U patent/CN208769459U/en active Active
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