CN208822528U - food processor - Google Patents
food processor Download PDFInfo
- Publication number
- CN208822528U CN208822528U CN201721167151.1U CN201721167151U CN208822528U CN 208822528 U CN208822528 U CN 208822528U CN 201721167151 U CN201721167151 U CN 201721167151U CN 208822528 U CN208822528 U CN 208822528U
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- Prior art keywords
- controller
- air pressure
- evacuation device
- vacuum evacuation
- cup body
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- 235000013305 food Nutrition 0.000 title abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 238000010411 cooking Methods 0.000 claims abstract description 56
- 238000005086 pumping Methods 0.000 claims abstract description 18
- 239000004065 semiconductor Substances 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 235000015203 fruit juice Nutrition 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 235000020965 cold beverage Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 235000012171 hot beverage Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Food-Manufacturing Devices (AREA)
Abstract
The utility model provides a food processor. The food processor comprises a base, a cup body arranged on the base, a crushing cutter arranged in the cup body, a driving assembly arranged on the base and in driving connection with the crushing cutter, a controller electrically connected with the driving assembly, a cup cover arranged on the cup body and a vacuumizing device used for vacuumizing the cup body; the cooking machine still includes: a switch circuit and an air pressure detection circuit; the controller is connected with the air pressure detection circuit and used for detecting the air pressure in the cup body through the air pressure detection circuit and outputting a control signal according to the air pressure; the switch circuit is connected between the controller and the vacuum pumping device and used for controlling the vacuum pumping device to start or stop pumping according to the control signal. The utility model discloses an automatic shutdown evacuation when cooking machine reaches vacuum state in the cup not only can protect cooking machine, can also practice thrift the electric energy.
Description
Technical field
The utility model relates to fields of home appliance technology, in particular to a kind of cooking machine.
Background technique
With the raising that people require healthy living, drink fruit juices can supplement the vitamin of needed by human body, so fruit juice mixer
Increasingly liked by the majority of consumers.
But present juice blender, wall-breaking machine, cooking machine are all that rotation band cutting blade is adjusted by motor to food materials
Cutting and grinding are carried out, due to being easy to aoxidize in high-speed agitating process with air, so that the nutrient component damages in fruit, and
Color discoloration, mouthfeel are bad.
For this problem, there is the cooking machine for increasing vacuum evacuation device at present, but these cooking machines are opened
Starting vacuum evacuation device vacuumizes cup body when beginning to crush food materials, stops vacuumizing when terminating to crush food materials, to food materials powder
No matter in broken process, whether vacuum state is in cup body, vacuum evacuation device always vacuumizes cup body, even if cup body
Inside being in vacuum state will not stop being evacuated, and not only waste electric energy, it is also possible to damage cooking machine.
Utility model content
The main purpose of the utility model is to provide a kind of cooking machines, to solve cooking machine in the prior art to food
The problem of material can not vacuumize during crushing according to the intracorporal vacuum state automatic start-stop of cup.
To achieve the above object, the utility model provides a kind of cooking machine, including base, is arranged on the base
Cup body, the drive that the intracorporal crushing knife tool of the cup is set, is arranged on the base and is drivingly connected with the crushing knife tool
It dynamic component, the controller being electrically connected with the driving component, the cup lid being arranged on the cup body and is used for the cup body
The vacuum evacuation device vacuumized；The cooking machine further include:
Switching circuit and air pressure detection circuit；
The controller is connected with the air pressure detection circuit, for detecting the cup body by the air pressure detection circuit
Interior air pressure, and control signal is exported according to the size of the air pressure；
The switching circuit is connected between the controller and the vacuum evacuation device, for according to the control signal
It controls the vacuum evacuation device and starts or stops pumping.
Further, the air pressure detection circuit includes: detection resistance；
Described detection resistance one end is connected with the vacuum evacuation device and controller respectively, other end ground connection；
The controller determines the work electricity of the vacuum evacuation device for the voltage and resistance value according to the detection resistance
Stream, determines the intracorporal air pressure of the cup according to the relationship of operating current and air pressure.
Further, the air pressure detection circuit further include: voltage amplifier circuit, be connected to the controller with it is described
Between detection resistance, for by the voltage amplification of the detection resistance and being transmitted to the controller.
Further, the controller includes: the first controller being arranged in the base, is arranged in the cup lid
Second controller, first controller connect with the second controller by coupler；
The second controller being connected with the vacuum evacuation device, passes through the switching circuit and the vacuum means
It sets connected, controls the vacuum evacuation device for passing through the switching circuit when the air pressure reaches threshold gas pressure and stop taking out
Gas, and rs 232 serial interface signal is sent to first controller；
First controller turns for controlling the crushing knife tool by the driving component according to the rs 232 serial interface signal
It is dynamic.
Further, the cooking machine further include: diode；
The anode of the vacuum evacuation device connects power supply, cathode is grounded by the switching circuit；
The cathode of the diode connects power supply, anode is connected with the cathode of the vacuum evacuation device.
Further, the cooking machine further include: the light emitting diode being connect with the second controller；
The second controller, for starting or stoping the control signal of pumping according to the control vacuum evacuation device (60)
Output drive signal；
The light emitting diode, for being lighted according to driving signal flashing or persistently being lighted.
Further, the switching circuit includes: metal-oxide-semiconductor；
The metal-oxide-semiconductor includes: N-channel MOS pipe；
The grid of the N-channel MOS pipe is connected with the second controller, drains and the cathode phase of the vacuum evacuation device
Even, source electrode ground connection.
Further, the second controller includes: HT66F002.
Further, the voltage amplifier circuit includes: LM358.
Further, the resistance value of the detection resistance is 100m Ω.
Compared with prior art, the utility model has the following beneficial effects: the cooking machine is vacuumized to cup body
During processing, it is able to detect the intracorporal air pressure of cup, vacuum evacuation device is controlled according to air pressure size and starts or stops pumping, from
And the intracorporal food materials of cup can be prevented to be oxidized in crushing process, and while reaching in cup body vacuum state, to be automatically stopped pumping true
Sky can not only protect cooking machine, additionally it is possible to save electric energy.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the decomposition view of the cooking machine of the utility model；
Fig. 2 diagrammatically illustrates the structural schematic diagram of the cooking machine of the utility model；
Fig. 3 diagrammatically illustrates the structural schematic diagram of the air pressure detection circuit of the utility model；
Fig. 4 diagrammatically illustrates the structural schematic diagram of the air pressure detection circuit of the utility model；
Fig. 5 a diagrammatically illustrates the cross-sectional view of the cup lid of the cooking machine of the utility model；
Fig. 5 b diagrammatically illustrates the main view of the cup lid of the cooking machine of the utility model；
Fig. 5 c diagrammatically illustrates the top view of the cup lid of the cooking machine of the utility model；
Fig. 5 d diagrammatically illustrates the left view of the cup lid of the cooking machine of the utility model；
Fig. 5 e diagrammatically illustrates the right view of the cup lid of the cooking machine of the utility model；
Fig. 6 diagrammatically illustrates the structural schematic diagram of the cooking machine of the utility model；
Fig. 7 diagrammatically illustrates the structural schematic diagram of the vacuum evacuation device parallel diode of the utility model；
Fig. 8 diagrammatically illustrates the structural schematic diagram of the switching circuit of the utility model；
Fig. 9 diagrammatically illustrates the refinement structural schematic diagram of the cooking machine of the utility model.
Wherein, the above drawings include the following reference numerals:
10, base；11, panel；12, keypad；13, bottom cover；20, cup body；21, cup handle；30, crushing knife tool；40, it drives
Component；50, cup lid；52, sealing ring；53, inner cover；54, outer cover；56, feeding cover；60, vacuum evacuation device；100, coupler；
200, controller；210, second controller；220, the first controller；230, switching circuit；240, air pressure detection circuit；241, it examines
Measuring resistance；242, voltage amplifier circuit；243, capacitor；250, diode；61,62,244,245,246,247,248, resistance.
Specific embodiment
It should be noted that in the absence of conflict, feature in the embodiments of the present invention and embodiment can be with
It is combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to shown in Fig. 1 to Fig. 9；Embodiment according to the present utility model, provides a kind of cooking machine, in the present embodiment
Cooking machine especially pulverizer and wall-breaking machine.
It is shown in Figure 1；Cooking machine in the present embodiment includes base 10, cup body 20, crushing knife tool 30, driving assembly
40, cup lid 50, vacuum evacuation device 60, switching circuit 230 and air pressure detection circuit 240.
Wherein, the bottom of base 10 is provided with bottom cover 13, panel 11 and keypad 12 is arranged on base 10, convenient for cooking
Machine is controlled.Cup body 20 is removably mounted on base 10 to hold food materials.Crushing knife tool 30 is mounted on the formation of cup body 20
Crushing chamber in crush the food materials in cup body 20.Driving assembly 40 is in the present example embodiment motor, is mounted on base
It is drivingly connected on 10 and with crushing knife tool 30 to drive crushing knife tool 30 to rotate in cup body 20 to crush food materials.Cup lid 50 is installed
For opening or closing rim of a cup on cup body 20.In the present embodiment cooking machine at work, first by being mounted on cup body 20
On the effect of cup handle 21 cup body 20 is placed on base 10, then food materials are launched into cup body 20, then with the general of cup lid 50
20 buckle closure of cup body is good.At this point, passing through the function button of panel 11 and keypad 12 on base 10, it will be able to start in base
Motor 40 drives the crushing knife tool 30 to rotate, and then crushes to the food materials in cup body 20.
Since, there are certain air, food materials are easy to happen oxidation during pulverized in cup body 20.Therefore, this implementation
The vacuum evacuation device 60 that vacuumize process is carried out for the crushing chamber to the cup body 20 is provided on cup lid 50 in example.At this
Vacuum evacuation device 60 described in embodiment is vacuum pump.The vacuum evacuation device 60 passes through the control inside coupler 100 and base 10
Electrical connection is realized in making sheet.As shown in Fig. 2, controller 200 can pass through switch electricity when crushing to the food materials in cup body 20
Road 230 controls the starting of vacuum evacuation device 60 to vacuumize to cup body 20, and controller 200 can also pass through air pressure detection circuit
Air pressure size in 240 detection cup bodies 20.Usual standard atmospheric pressure is 101KPa, for example, can be in the air pressure in cup body 20
Think to be in vacuum state in cup body 20 when 5KPa, thus the output control of controller 200 signal (stopping vacuumizing signal)
To switching circuit 230, switching circuit 230 controls vacuum evacuation device 60 according to the control signal and stops pumping.Certainly, when vacuumizing
After device 60 stops pumping, due to air-tightness etc., the air pressure in cup body 20 may go up, and therefore, controller 200 may be used also
Continue to vacuumize cup body 20 to control starting vacuum evacuation device 60 when detecting that air pressure reaches certain threshold value.It is practical new at this
In type exemplary embodiment, the threshold range of the vacuum state is -0.06MPa~-0.1MPa.Due to being in true in cup body 20
Dummy status, so as to prevent the food materials in cup body 20 to be oxidized in crushing process, and, compared to traditional in crushing process
In the cooking machine that persistently vacuumizes, this implement it is novel provided by cooking machine can be started automatically according to the air pressure in cup body 20 or
Stopping vacuumizes, and can not only protect cooking machine, additionally it is possible to save electric energy.
There are many component for being able to detect air pressure, for example, baroceptor etc., wherein can be defeated with digital signal by air pressure
Out including BA5803, BP5607, BT5611 etc., controller 200 can parse its table when receiving these digital signals
The atmospheric pressure value shown, and then control the start and stop of vacuum evacuation device 60.But this kind of product typically cost is higher, the utility model is from drop
From the point of view of low cooking machine cost, the air pressure in cup body 20 can be otherwise obtained.
Since vacuum evacuation device 60 is in 20 vacuum of cup body, air pressure constantly changes in cup body 20, i.e. vacuum means
It sets 60 load constantly to change, in the case where supply voltage is constant, the operating current of vacuum evacuation device 60 can be in cup body 20
Air pressure and change, that is, known vacuum evacuation device 60 operating current and air pressure corresponding relationship when, can pass through obtain take out
The operating current of vacuum plant 60 obtains the air pressure in cup body 20.Based on this, as shown in figure 3, in the present embodiment, air pressure detection electricity
Road 240 includes detection resistance 241, and detection resistance 241 is connected between vacuum evacuation device 60 and ground, with detection resistance 241 and is taken out
Voltage output port of the node a that vacuum plant 60 connects as detection resistance 241, due to flowing through the electric current of detection resistance 241
It is identical as the operating current of vacuum evacuation device 60, and the resistance value of detection resistance 241 is known quantity, is getting detection resistance 241
Voltage after can determine the operating current of vacuum evacuation device 60, determined in cup body 20 according to the relationship of operating current and air pressure
Air pressure.Air pressure 240 structures of detection circuit provided by this implementation is novel are simple, cheap, can greatly reduce cooking machine
Cost.
Since detection resistance 241 is connected with vacuum evacuation device 60, so that detection resistance 241 can also be regarded as vacuum evacuation device
60 load, the i.e. presence of detection resistance 241 can change the size of 60 operating current of vacuum evacuation device, so that passing through measurement detection
There are errors with operating current of the vacuum evacuation device 60 under current gas pressure for the electric current that resistance 241 obtains, in order to reduce this mistake
The resistance value of difference, detection resistance 241 should be small as far as possible, and still, the resistance value of detection resistance 241 is too small and will lead to the electricity of its output
Pressure is too small, and large error can also be had by calculating air pressure according to this voltage, for this purpose, as shown in figure 3, the air pressure of the present embodiment detects electricity
Road 240 further includes voltage amplifier circuit 242, and voltage amplifier circuit 242 is connected between detection resistance 241 and controller 200, electricity
The voltage that pressure amplifying circuit 242 will test resistance 241 by port A is transmitted to controller 200 after amplify by a certain percentage, control
After device 200 receives amplified voltage, it is scaled after calculating current again, air pressure is determined according to electric current.This implementation is novel
Influence of the provided air pressure detection circuit 240 to vacuum evacuation device 60 is smaller, and can guarantee the precision of measurement air pressure.
As shown in Fig. 1 and Fig. 5 a to Fig. 5 e, the vacuum evacuation device 60 of the utility model cooking machine is arranged in cup lid 50.Cup
Lid 50 includes inner cover 53 and outer cover 54, and the periphery of outer cover 54 is arranged with sealing ring 52, is convenient in 50 buckle closure of cup lid on cup body 20
When rim of a cup is sealed.It, can be by cup lid 50 and cup body after food materials are crushed, remove cup body 20 from base 10
20 remove together, are able to maintain the vacuum state in cup body 20 by the sealing function of cup lid 50, and then prevent intrinsic food
Material is oxidized.In the other embodiments of the utility model, vacuum evacuation device 60 can also be arranged in base 10.
Since vacuum evacuation device 60, switching circuit 230, air pressure detection circuit 240 etc. are arranged in cup lid 50, to take out true
Empty device 60, switching circuit 230, air pressure detection circuit 240 etc. need to realize by coupler 100 with the control panel in base 10
Electrical connection, and may also need that other functions of needing to control by controller 200 are arranged on cup lid 50 in practical application, and
The interface quantity of coupler 100 is limited, for this purpose, as shown in fig. 6, the controller 200 of the present embodiment includes 220 He of the first controller
Second controller 210, the setting of the first controller 220 (are equivalent to the control being integrated in conventional cooking machine base 10 in base 10
In making sheet), second controller 210 is arranged in cup lid 50, and the first controller 220 passes through coupler 100 with second controller 210
Connection；
First controller 220 is first sent out to the second controller 210 when receiving the instruction of starting crushing food materials
Rs 232 serial interface signal is sent, to judge whether to need to vacuumize the cup body 20 by the second controller 210.For example, making
Be likely to need when being not usually required to vacuumize cup body 20 when hot drink, and making cold drink or room temperature drink to cup body 20 into
Row vacuumizes.
One end of the second controller 210 is connected with air pressure detection circuit 240, the other end by switching circuit 230 with
Vacuum evacuation device 60 is connected.When needing to vacuumize cup body 20, vacuum evacuation device 60 is controlled by switching circuit 230 and is opened
Dynamic pumping.When the air pressure in cup body 20 reaches threshold gas pressure, the second controller 210 is controlled by the switching circuit 230
It makes the vacuum evacuation device 60 and stops pumping, and send rs 232 serial interface signal to first controller 220；
First controller 220 controls the crushing after receiving rs 232 serial interface signal, then through the driving component 40
Cutter 30 is rotated to crush food materials.Compared to traditional cooking machine vacuumized in crushing process, this implementation is novel to be provided
Cooking machine be after the cup body 20 vacuumizes just food materials are crushed, therefore, can be more reliable prevent the cup body
Food materials in 20 are oxidized in crushing process.
The anode of the usual vacuum evacuation device 60 connects power supply, cathode ground connection.If reversed there may be the risk burnt out, when
So, existing partial vacuum device 60 is by positive/negative to current control pumping/air-breathing at present, in short, vacuum means in order to prevent
It sets 60 and receives reverse current, as shown in fig. 7, the present embodiment diode 250 in parallel, vacuum means on vacuum evacuation device 60
The anode for setting 60 connects 12V power supply, cathode is grounded by switching circuit 230, detection resistance 241；The cathode and pumping of diode 250 are true
The anode of empty device 60 is connected, anode is connected with the cathode of vacuum evacuation device 60.To in the electricity that vacuum evacuation device 60 receives
When positive pressure is normal, diode 250 ends；When vacuum evacuation device 60 receives backward voltage, diode 250 is connected, and electric current can be from
It is flowed through in diode 250, does not flow through vacuum evacuation device 60, so as to which the wind that vacuum evacuation device 60 is burned can be greatly reduced
Danger.
Due to this implement novel cooking machine be just crush food materials after the evacuation is completed, but vacuum evacuation device 60 whether
It vacuumizes, it is difficult to observe directly.For the ease of judging the working condition of vacuum evacuation device 60, in an embodiment, also described
Light emitting diode (not shown) etc. is arranged on cup lid 50 can export the component of prompt information.
The light emitting diode is connect with the second controller 210；The second controller 210 can be according to control institute
State the control signal output drive signal that vacuum evacuation device 60 starts or stops pumping；And the light emitting diode can be according to drive
Dynamic signal flashing is lighted or is persistently lighted.For example, the vacuum evacuation device 60 LED flash point when being evacuated
Bright, the light emitting diode is persistently lighted after the vacuum evacuation device 60 is evacuated.Described in the i.e. described light emitting diode is used as
The indicator light of 60 working condition of vacuum evacuation device.To which the cooking machine of the utility model can flickering according to light emitting diode
State intuitively judges the working condition of vacuum evacuation device 60, and judgment mode is simple and convenient.
The second controller 210 controls the start and stop of the vacuum evacuation device 60 by the switching circuit 230.It is described to open
The form on powered-down road 230 can there are many, for example, relay, triode etc..But relay needs biggish driving current
It could work, and second controller 210 is used as a kind of chip, the electric current of output is usually smaller, therefore usually requires cooperation and drive
Dynamic circuit just can control relay, and circuit structure is more complicated, volume is also bigger.Although triode cut-in voltage is smaller (usually big
In 0.7V), still, triode is to accumulate to realize on or off, hole or electricity at PN junction by hole or electronics
Son movement needs the regular hour, i.e., there are certain delays for triode ON or cut-off.In order to improve the precision of control, such as
Shown in Fig. 8, the switching circuit 230 of the present embodiment includes metal-oxide-semiconductor.The grid G of metal-oxide-semiconductor passes through interface B and 210 phase of second controller
Even, drain D is connected with the cathode of vacuum evacuation device 60, S source electrode is grounded.Certainly, shown in Fig. 8 is N-channel MOS pipe, certainly
P-channel metal-oxide-semiconductor can be selected, it is only necessary to corresponding adjustment circuit connection structure.
In order to which the scheme of above-mentioned cooking machine is better described, specific explanations will be carried out by an example below.
As shown in figure 9, the second controller 210 includes HT66F002, voltage amplifier circuit 242 includes LM358, detection
The resistance value of resistance 241 is 100m Ω.
The anode of the vacuum evacuation device 60 connects 12V power supply, cathode is grounded by the metal-oxide-semiconductor, detection resistance 241.
The interface 4 of the second controller 210 is connected with the coupler 100, when cup body 20 is mounted on base 10,
The coupler 100 can be electrically connected with first controller 220 in the base 10, make first controller 220
It may be implemented to communicate with the second controller 210.
The interface 2 of the second controller 210 is connected by resistance 61 with the grid G of metal-oxide-semiconductor, by exporting in interface 2
High level control metal-oxide-semiconductor conducting, output low level control metal-oxide-semiconductor cut-off, vacuum evacuation device 60 metal-oxide-semiconductor end when be not evacuated,
It is evacuated in metal-oxide-semiconductor conducting.
When vacuumizing to the cup body 20, the operating current of the vacuum evacuation device 60 can also flow through the detection resistance
241, the output end of the detection resistance 241 is connected with amplifying circuit, when the resistance value of the detection resistance 241 is 100m Ω,
It is 40 times to the magnification ratio of voltage that amplifying circuit, which can be set, magnification ratio can by change resistance 244 in amplifying circuit,
The resistance value of resistance 245, resistance 246, resistance 247 etc. is adjusted.
The second controller 210 receives the air pressure in the determining cup body 20 of amplified voltage by interface 3.
When reaching vacuum state, vacuum evacuation device 60 can be controlled by interface 2 and stops pumping, and passes through interface 4 to described first
Controller 220 sends rs 232 serial interface signal, to control the crushing knife tool by the driving component 40 by first controller 220
30 rotations are to crush food materials.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution, improvement and etc. done should be included in the utility model
Within the scope of protection.
Claims (10)
1. a kind of cooking machine, which is characterized in that including base (10), the cup body (20) being arranged on the base (10), setting
In the cup body (20) crushing knife tool (30), be arranged on the base (10) and with the crushing knife tool (30) drive connect
The driving assembly (40) that connects, is arranged on the cup body (20) controller (200) being electrically connected with the driving component (40)
Cup lid (50) and the vacuum evacuation device (60) for being used to vacuumize the cup body (20)；The cooking machine further include:
Switching circuit (230) and air pressure detection circuit (240)；
The controller (200) is connected with the air pressure detection circuit (240), for passing through the air pressure detection circuit (240)
The air pressure in the cup body (20) is detected, and control signal is exported according to the size of the air pressure；
The switching circuit (230) is connected between the controller (200) and the vacuum evacuation device (60), for according to institute
It states the control signal control vacuum evacuation device (60) and starts or stops pumping.
2. cooking machine as described in claim 1, which is characterized in that the air pressure detection circuit (240) includes: detection resistance
(241)；
Described detection resistance (241) one end is connected with the vacuum evacuation device (60) and controller (200) respectively, another termination
Ground；
The controller (200) determines the vacuum evacuation device (60) according to the voltage of the detection resistance (241) and resistance value
Operating current determines the air pressure in the cup body (20) according to the relationship of operating current and air pressure.
3. cooking machine as claimed in claim 2, which is characterized in that the air pressure detection circuit (240) further include: voltage amplification
Circuit (242) is connected between the controller (200) and the detection resistance (241), is used for the detection resistance
(241) voltage amplification is simultaneously transmitted to the controller (200).
4. cooking machine as claimed in claim 3, which is characterized in that the controller (200) includes: to be arranged in the base
(10) second controller (210) of the first controller (220), setting in the cup lid (50) in, first controller
(220) it is connect with the second controller (210) by coupler (100)；
The second controller (210) being connected with the vacuum evacuation device (60) passes through the switching circuit (230) and institute
It states vacuum evacuation device (60) to be connected, for controlling institute by the switching circuit (230) when the air pressure reaches threshold gas pressure
It states vacuum evacuation device (60) and stops pumping, and send rs 232 serial interface signal to first controller (220)；
First controller (220), for controlling the crushing by the driving component (40) according to the rs 232 serial interface signal
Cutter (30) rotation.
5. cooking machine as claimed in claim 4, which is characterized in that the cooking machine further include: diode (250)；
The anode of the vacuum evacuation device (60) connects power supply, cathode is grounded by the switching circuit (230)；
The cathode of the diode (250) connects power supply, anode is connected with the cathode of the vacuum evacuation device (60).
6. cooking machine as claimed in claim 4, which is characterized in that the cooking machine further include: with the second controller
(210) light emitting diode connected；
The second controller (210), the control for starting or stoping pumping according to the control vacuum evacuation device (60) are believed
Number output drive signal；
The light emitting diode, for being lighted according to driving signal flashing or persistently being lighted.
7. such as the described in any item cooking machines of claim 4 to 6, which is characterized in that the switching circuit (230) includes: MOS
Pipe；
The metal-oxide-semiconductor includes: N-channel MOS pipe；
The grid of the N-channel MOS pipe is connected with the second controller (210), drains and the vacuum evacuation device (60)
Cathode is connected, source electrode is grounded.
8. such as the described in any item cooking machines of claim 4 to 6, which is characterized in that the second controller (210) includes:
HT66F002。
9. such as the described in any item cooking machines of claim 3 to 6, which is characterized in that the voltage amplifier circuit (242) includes:
LM358。
10. such as the described in any item cooking machines of claim 2 to 6, which is characterized in that the resistance value of the detection resistance (241) is
100mΩ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167151.1U CN208822528U (en) | 2017-09-12 | 2017-09-12 | food processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167151.1U CN208822528U (en) | 2017-09-12 | 2017-09-12 | food processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208822528U true CN208822528U (en) | 2019-05-07 |
Family
ID=66292735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167151.1U Expired - Fee Related CN208822528U (en) | 2017-09-12 | 2017-09-12 | food processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208822528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960099A (en) * | 2018-09-30 | 2020-04-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking equipment and control method and device thereof |
-
2017
- 2017-09-12 CN CN201721167151.1U patent/CN208822528U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960099A (en) * | 2018-09-30 | 2020-04-07 | 佛山市顺德区美的电热电器制造有限公司 | Cooking equipment and control method and device thereof |
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Granted publication date: 20190507 |