CN209003705U - Food processing apparatus - Google Patents
Food processing apparatus Download PDFInfo
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- CN209003705U CN209003705U CN201721892071.2U CN201721892071U CN209003705U CN 209003705 U CN209003705 U CN 209003705U CN 201721892071 U CN201721892071 U CN 201721892071U CN 209003705 U CN209003705 U CN 209003705U
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Abstract
A kind of food processing apparatus of the utility model embodiment, the device includes processor host and food container, the processor host includes driving motor and blender, and food detection module is provided in food container, and food detection module is used to detect the food form in food container；Main control module and current sampling circuit are provided in processor host；Current sampling circuit is connect with driving motor, acquires the current signal of driving motor；Main control module is connect with driving motor and current sampling circuit respectively, and the current signal of food form and current sampling circuit acquisition for being detected according to food detection module controls the operation of driving motor.The detection of food form may be implemented in the food container of the device, handling its host can be according to the operation of the current control driving motor of the testing result and driving motor of food form, the time of accurate control food preparation, intelligence degree is high, is easy to use by users.
Description
Technical field
The utility model relates to family's electro-technical fields, more particularly to a kind of food processing apparatus.
Background technique
With the continuous improvement of people's living standards, the quantity and kind of household appliance are more and more.In order to meet people
Use demand, occur many for carrying out the similar household such as electrical equipment, such as juice extractor, blender of food preparation
Electrical equipment.
Currently, above-mentioned domestic electric appliance intelligence degree is insufficient, such as blender, the side that user needs to be manually operated
Formula, to start or shut down blender, especially, the process (such as stirring crushes) of food preparation is the mistake taken a long time
Therefore journey when carrying out food preparation using blender, after user needs to wait longer time, shuts down blender manually.And
User can only judge the specific food preparation time according to the experience of oneself, cannot achieve and be accurately controlled, it is easy to
Appearance handles time too short or too long problem.
If food processing apparatus is closed too early, the food effect after blender is disposed is undesirable.If closing too late,
It is excessively high that motor will lead to cup internal temperature, and food nutrition is caused to be destroyed.In addition, the too long Inside coil temperature of motor turn is excessively high
Motor may be damaged.The mode of food processing apparatus is manually operated, so that user's operation is inconvenient, it is whole to use using difficulty height
Family experience is poor.
Utility model content
The utility model embodiment mainly solving the technical problems that: improve for food preparation household electrical appliance intelligence
Change degree realizes the non-manual operation of equipment.
In order to solve the above technical problems, the utility model embodiment provides a kind of food processing apparatus.The food preparation
Device includes: processor host and food container, and the processor host includes driving motor, setting in the food container
There is the blender driven by the driving motor, which is characterized in that food detection module is provided in the food container, it is described
Food detection module is used to detect the food form in food container；
Main control module and current sampling circuit are provided in the processor host；The current sampling circuit with it is described
Driving motor connection, acquires the current signal of driving motor；
The main control module is connect with the driving motor and the current sampling circuit respectively, for according to the food
The food form of detection module detection and the current signal of current sampling circuit acquisition, control the fortune of the driving motor
Row.
In order to solve the above technical problems, another embodiment of the utility model provides a kind of food preparation method.The food
Processing method is applied in above-mentioned food processing apparatus, is specifically comprised the following steps:
Judge that the food form in the food container is solid-state according to the detection signal that the food detection module acquires
Or it is non-solid, it is described non-solid including liquid and solid-liquid mixing, if the food form is solid-state, control the driving electricity
Machine is with the operation of solid breaking patterns；
If the food form be it is non-solid, according to the current sampling circuit sampling obtain current signal judge food
Food form in container is liquid or solid-liquid mixing；
If the food form is liquid, the driving motor is controlled with liquid stirring mode operation, if the food shape
State is solid-liquid mixing, controls the driving motor with the operation of solid-liquid stirring mode；
When with the solid-liquid stirring mode or solid breaking patterns operation, adopted by the current sampling circuit
Collect the current value of the driving motor, and generates corresponding current value change curve；
Judge whether the current value change curve meets scheduled index；
When the current value change curve meets scheduled index, the driving motor is closed.
The food processing apparatus of the utility model embodiment, including processor host and food container, the processor
Host includes driving motor, and the blender driven by the driving motor, the food container are provided in the food container
It is inside provided with food detection module, the food detection module is used to detect the food form in food container；The processor
Main control module and current sampling circuit are provided in host；The current sampling circuit is connect with the driving motor, acquisition
The current signal of driving motor；The main control module is connect with the driving motor and the current sampling circuit respectively, is used for
According to the food form of food detection module detection and the current signal of current sampling circuit acquisition, described in control
The operation of driving motor.The detection of food form may be implemented in food container, and handling its host can be according to the inspection of food form
The operation for surveying the current control driving motor of result and driving motor, can accurately control the time of food preparation, have higher
Intelligence degree, be easy to use by users.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the functional framework schematic diagram of food processing apparatus provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram for the food processing apparatus that another embodiment of the utility model provides；
Fig. 3 is the structural schematic diagram for the food processing apparatus that another embodiment of the utility model provides；
Fig. 4 is the method flow diagram of food preparation method provided by the embodiment of the utility model；
Fig. 5 is the specific method flow chart of step 407 in Fig. 4 provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Food preparation refers to the process for original foodstuff.It can specifically include a variety of different processing sides
Formula, such as stirring, chopping, juicing, heating or grinding etc..In the prior art, have it is various can be realized it is one of or
The domestic electric appliance of a variety of food preparation modes.
In the utility model embodiment, indicate at least to can be realized using term as " food processing apparatus " to stir
Mix the domestic electric appliance of function.In further embodiments, the food processing apparatus can also further include other
Structure or functional module, realize different food preparation modes.
Usual, in the domestic electric appliance with agitating function (such as blender), multiple removable components can be divided into,
In order to which user carries out the operation such as cleaning.In the utility model embodiment, the food processing apparatus by processor host and
Food container two removable part compositions.
The food container specifically can be any shape, capacity or size, for loading the container of food, such as cup
Son, circle bowl or square pot etc..To realize agitating function, blender is provided in the food container.The blender passes through rotation
The mode turned, smashes or shreds the solid matter being placed in food container and be blended in the liquid in food container.?
In the present embodiment, the blender can be specifically arranged using the cutter head structure of any structure type in the prior art in food
On the suitable position of container.
Main part of the processor host as food processing apparatus, includes dynamical system and control system.Its
In, dynamical system (such as driving motor) is by drive mechanism, and driving stirring cutter head rotation is to realize food agitating function.Usually
, dynamical system is linked into electricity network by common plugs and sockets mode, provides energy by industrial-frequency alternating current.
Control system is usually that formed a complete control core is combined by various functional circuits and user interaction device
The heart.The working condition of the adjustable dynamical system of control system, for example, turn on, close or adjust revolving speed,
Torque etc., with the different specific food preparation situations adapted to.
In traditional food processing apparatus, control system is that the mode based on manual operation is completed.Also that is, control system
System is to be adjusted correspondingly according to the user instruction by user interaction device input to dynamical system.
And in the utility model embodiment, it can enable control system can part by adding corresponding hardware device
Or the concrete condition of whole foundation food processing apparatus, automatically dynamical system is adjusted.Such control system
The user instruction quantity that user needs to input can be reduced, user's body of user during using food processing apparatus is improved
It tests.That is, the control system has a degree of intelligence.
Fig. 1 is the structural schematic diagram of food processing apparatus provided by the embodiment of the utility model.It is merely exemplary in Fig. 1
Show part relevant to control system improvement.Those skilled in the art can carry out it according to Fig. 1 disclosure
Corresponding adjustment or transformation, are applied in any food processing apparatus with agitating function, have food processing apparatus
A degree of intelligence.
As shown in Figure 1, in the food processing apparatus, the food container 100 include: food detection module 110 with
And blender 120.
The food detection module is the sensing device for detecting food form, be can be set in food container 100
The food form placed in food container detects by any kind of method in portion.
The blender 120 is in setting food container, for stirring and/or smashing food, to food carry out it is a kind of or
The equipment of a variety of processing of person.It specifically can be any type stirring cutter head or other food preparation cutters.
Please continue to refer to Fig. 1, the processor host 200 includes: main control module 210, current sampling circuit 220 and drives
Dynamic motor 230.
The driving motor 230 is by the motor of industrial frequency AC electric drive.It can be in power output end (such as shaft)
Certain torque is exported, blender 120 is driven to rotate.And the driving motor 230 is used as motor, in different operating condition shapes
Under state, corresponding operating current is had.That is, the operating current of driving motor 230 is able to reflect the work shape of driving motor 230
State.
The current sampling circuit 220 is the sample circuit connecting with driving motor 230, for acquiring driving motor 230
In the curent change situation of different moments, and main control module 210 is supplied to as input data.
The main control module 210 is the control core with logical operation capability, respectively with the current sampling circuit 220
And driving motor 230 connects, for realizing the control for driving motor 230.Main control module 210 can pass through the electric current
Sample circuit 220, current value input data as logic judgment of the acquisition driving motor 230 in different moments.
In the present embodiment, the main control module 210 can acquire the food container obtained according to food detection module 110
The current signal that interior food form and current sampling circuit 220 acquire controls the driving according to preset operation program
The operation of motor 230.
By the way that main control module 210 and corresponding data acquisition module (such as food are additionally arranged in food processing apparatus
Detection module 110, current sampling circuit 220), it can be very good the intelligence for realizing food processing apparatus, it can be automatic
Perception food form and select suitable operational mode operating, it is greatly convenient for users to use.
In some embodiments, as shown in Fig. 2, the food detection module 110 may include: a pair of of probe (111 Hes
112) detection for food form and detection chip 113, is realized based on the change in resistance between a pair of of probe.
Wherein, the probe 111 and probe 112 are separately positioned on the bottom of the food container 100.One of probe
111, which detect signal output end with detection chip 113, connect, and is the output source for detecting signal.Another probe 112 and the detection
The detection signal receiving end of chip 113 connects, the detection circuit of composition detection signal, for receiving the inspection exported from probe 111
Survey signal.
Detection chip 113 issues the detection signal with any form or type by probe 111.In general, detection
Signal is periodicity sending, 112 determines whether to receive detection signal in order to pop one's head in.Specifically, the detection signal can
To be periodic square-wave signal.
In the utility model embodiment, the detection chip 113 specifically can be and any kind of can send and connect
Receive detection signal circuit structure.It is also possible to either the chip that integrated antenna package is formed through discrete electronics member
The circuit of part composition.
The cyclical signal exported from probe 111 can pass through another according to the difference of food form in food container 100
Probe 112 detects signal to the detection signal receiving end feedback accordingly, then will test signal hair by the detection chip 113
Give main control module 210.
Specifically, since solid food is unable to fully contact, being deposited between a pair of probe when food form is solid-state
In gap, high-impedance state will form, to the detection signal receiving end feedback low voltage signal as detection signal；And work as food shape
When state is liquid or solid-liquid mixing, due to forming low resistance state between the two there are the connection that liquid is established between a pair of probe,
There is the detection signal with the cyclical signal same period to the detection signal receiving end feedback.
In some embodiments, corresponding peripheral analog circuit can also be set to mention on the probe 111 and probe 112
The whole detection performance of high food detection module 110.Fig. 3 provides probe 111 and probe 112 can choose the periphery electricity used
Road design.As shown in figure 3, the peripheral circuit may include first capacitor C1, the second capacitor C2 and 3rd resistor R3.
In one embodiment, the probe 111 (the first probe) passes through first capacitor C1 and the detection chip 113
Detection signal output end 6 connect.The probe 112 (the second probe) passes through the detection of the second capacitor C2 and the detection chip
Signal receiving end 7 connects.
The first capacitor C1 and the second capacitor C2 can be filtered out or are isolated in transmission process as isolating device,
The other electric signals being mingled in periodic square wave, so that it is guaranteed that the reliability of the testing result to detection signal.
The detection signal receiving end 7 of the detection chip 113 is also grounded by 3rd resistor R3.3rd resistor R3 ground connection,
As a pull down resistor, it can be ensured that detection signal receiving end 7 not will receive the influence of floating voltage, be not received by inspection
When surveying signal, the voltage of detection signal receiving end 7 is pulled down to no-voltage point.
Please continue to refer to Fig. 2, in some embodiments, the main control module 210 may include: switching device 213 and
Control chip 214.
The switching device 213 can be the realization of the characteristic based on analog device, the device with handoff functionality.Usually
, switching device 213 plays the role of being switched on and disconnecting two states in electrical equipment.And switching device 213 whether
Execute the control signal that switching action is then controlled by input.The switching device can be by one or more discrete electronics member
Part composition.
In the present embodiment, the current sampling circuit 220 connecting with main control module 210 specifically can be based on sampling resistor
To realize.For example, as shown in figure 3, the current sampling circuit 220 includes: current sampling resistor R4 and DC voltage source
VCC。
One end of current sampling resistor R4 hot terminal with the DC voltage source VCC and power supply respectively
ACL connection.Sampled value of the other end of the current sampling resistor R4 respectively with the control chip 214 receives pin 8 and institute
State the connection of driving motor 230.
It should be understood that the control chip 214 can be adopted according to electric current for current sampling circuit 220 shown in Fig. 3
Voltage waveform variation on sample resistance R4, the current value for obtaining the driving motor 230 is calculated by Ohm's law.
In some embodiments, the power supply based on the driving motor 230 is the application scenarios of industrial-frequency alternating current, institute
Stating switching device 213 can be used bidirectional triode thyristor (or bidirectional thyristor) Lai Shixian.As shown in figure 3, the bidirectional triode thyristor
A pair of of main electrode of SCR is connect with the hot terminal ACL of the power supply and the driving motor 230 respectively.Also that is, institute
It states bidirectional triode thyristor SCR to be arranged between power supply and driving motor 230, to switch on and off the driving motor
230 power supply, to control the operation of driving motor 230.
Control signal output pin 6 of the control electrode Ctrl of the bidirectional triode thyristor SCR then with the control chip 214 connects
It connects.Control chip 214 can export corresponding control signal in control signal output pin 6 as a result, realize for the driving
The control of motor 230.
In further embodiments, please continue to refer to Fig. 3, the main control module 210 can also include first resistor R1 and
Second resistance R2.
The first resistor R1 and second resistance R2 receives pin 8 with the sampled value of control chip 214 respectively and control is believed
Number output pin 6 is connected in series.Also that is, the sampling that the current sampling resistor R4 passes through first resistor R1 and the control chip
Value receives pin 8 and connects.The control electrode Ctrl of the bidirectional triode thyristor SCR passes through second resistance R2 and the control chip 214
Control signal output pin 6 connect.
In food processing apparatus provided by the embodiment of the utility model, due to the detection chip 113 and control chip
214 are respectively and independently arranged on dismountable two parts (food container 100 and processor host 200).Therefore, in order to integrate
The data of the two acquisition enable to control the current value and the detection chip that chip 214 is inputted according to current sampling circuit 220
113 received detection signals control driving motor 230 accordingly, need for the detection chip 113 and control chip
214 provide workable communication channel, to realize the data transmission between two chips.
In some embodiments, the communication channel based on physical structure can be used to realize the data between two chips
Transmission.For example, physics connecting line is set between processor host 200 and food container 100, it is real by the physical connection line
Communication connection between existing two chips, or compatible public affairs are set on processor host 200 and food container 100 respectively
Plug-in unit and mother board realize the communication connection between two chips by the plug connection of male plug part and mother board.
It in further embodiments, can be based on the side of wireless channel between the detection chip 113 and control chip 214
Formula realizes communication connection between the two.That is, the processor host 200 can also include the first wireless communication module, institute
Stating food container 100 can also include the second wireless communication module；
Pass through first wireless communication module and institute between the main control module 210 and the food detection module 110
It states the second wireless communication module and establishes wireless communication connection；The main control module 210 obtains institute by wireless communication connection
State the information of the detected dietary regimen of food detection module 110.
It can be used in the present embodiment based on RFID (Radio based on power consumption and using safe etc. consideration
Frequency Identification, radio frequency identification) wireless channel.
As shown in figure 3, being provided with RFID radio frequency chip 240 in the processor host 200.The RFID radio frequency core
Piece 240 is connect with control chip 214, and on the food container 100, it is provided with opposite with the RFID radio frequency chip 240
The passive RFID tags 130 answered.The passive RFID tags 130 are connect with the detection chip 113.
In actual use, when processor host 200 contacts with food container 100, (or distance is in RFID chip
Induction range within) when, control chip 214 start RFID radio frequency chip 240, pass through the read-write day of RFID radio frequency chip 240
Line ANT1 launches outward radiofrequency signal.The passive RFID tags 130 then receive radiofrequency signal, sense by the label A NT2 of itself
It powers after bearing corresponding electric energy for detection chip 113, starting detection chip 113 issues detection signal.
In addition, detection chip 113 is for detecting the testing result of signal also by the passive RFID tags 130 and RFID
Radio frequency chip 240 returns to the control chip 214.The undocumented RFID communication scheme of the utility model embodiment it is other
Part, those skilled in the art can select or adjust according to the actual situation, and therefore not to repeat here.
In the present embodiment, the communication connection realized based on wireless channel, the object established relative to modes such as connected structures
Reason connection is more convenient for realizing the dismounting between food container 100 and processor host 200, and the reliability of data transmission is higher
(as without considering the problems of poor contact).
Further, using the mode of passive RFID tags, the cost of implementation of operational version can be effectively reduced.And
The power supply of passive RFID tags is provided by RFID radio frequency chip, the isolated from power of food container and processor host, have compared with
Good safety.Especially when food container is provided with liquid, it not will lead to electric shock and other safety accidents.
The food processing apparatus of the utility model embodiment can be with the inspection of the food detection module 110 of food container 100
It surveys based on the current value of the driving motor 230 of result and processor host 200, realizes for the food in food container 100
The automatic detection of object form and the operation of control driving motor 230 intelligent accordingly.
Fig. 4 is the operation method flow chart of food processing apparatus provided by the embodiment of the utility model.In this embodiment, institute
Stating food form can specifically include: liquid, solid-state and three kinds of solid-liquid mixing different food forms.And for different
Food form, food processing apparatus need to be handled using different operational modes, complete the function of stirring.
As shown in figure 4, the method may include following steps:
401, judge that the food form in the food container is according to the detection signal that the food detection module acquires
Solid-state or non-solid (described non-solid include liquid and solid-liquid mixing).If the food form is solid-state, step is executed
Rapid 402；If the food form be it is non-solid, then follow the steps 403.
Specifically, step 401 specifically can be using such as when using food detection module structure as shown in Figure 2 or Figure 3
The method judges that the food form in the food container is solid-state or non-solid.Step 401 can specifically include
Following steps:
Firstly, from one of probe output periodic signal.Specifically, the periodic signal specifically can be by detection chip
The cyclical signal of output, e.g. periodic square-wave signal.Then, when another probe receive low voltage signal and to
When the detection signal receiving end feedback, determine that the food in food container is solid food.
Since solid matter does not have deformability.Therefore, when pure solid is placed in food container, meeting in container
Form many gaps.As shown in Fig. 2, two are popped one's head in and the bottom of food container is arranged in, when having more gap in food container
When, two probe between it is mutually isolated, between be high value state (i.e. high-impedance state).Another probe can Xiang Suoshu as a result,
Signal receiving end feedback low voltage signal is detected as detection signal (or not receiving voltage signal).
If food container is provided with a certain amount of liquid, liquid can flow to the bottom of food container under the effect of gravity
Portion forms the liquid layer of respective thickness.It will be connected by the liquid layer between two probes, the state in low resistance is (i.e. low
Resistance state).Another probe can have and the cyclical signal same period to the detection signal receiving end feedback as a result,
Detect signal.
Therefore, detection chip can be by judging another inspection fed back to the detection signal receiving end feedback of popping one's head in
Signal is surveyed, to determine the food form in food container.
402, the driving motor is controlled with the operation of solid breaking patterns.The solid breaking patterns are to eat with the solid-state
The corresponding food preparation mode of object, specific food preparation operating parameter can be adjusted according to the actual situation or set
It sets.
By running the above method, food processing apparatus can automatically control institute according to the testing result of food form
Driving motor is stated with the operation of solid breaking patterns.Also that is, the use of intelligence and food form match, the food of solid food
Tupe is stirred the food in food container.
403, judge that the food form in food container is according to the current signal that current sampling circuit sampling obtains
Liquid or solid-liquid mixing.If the food form is liquid, 404 are thened follow the steps；If the food form is mixed for solid-liquid
State is closed, thens follow the steps 405.
In the initial time section of stirring, since the solid-liquid mixing food in food container is not relative to aqueous liquid foodstuff
Uniformly, stirring cutter head is in rotary course, and the resistance variation being subject to is very greatly.Therefore, it will lead to driving motor accordingly because negative
It carries variation and causes electric current unstable.There is biggish fluctuations for corresponding current curve.And uniform liquid mixing
When object is stirred, the load of driving motor will not be varied widely, and corresponding current value can be relatively more steady.
Therefore, main control module can determine food in the current curve of initial stage according to driving motor come further
Food form in object container is liquid or solid-liquid mixing, and then realizes the target of intelligentized control method.
Specifically, judging to eat according to current signal when using the structure of food processing apparatus as shown in Figure 2 or Figure 3
The method of object form step can specifically be realized by the following method:
Firstly, acquiring the current value of the driving motor by the current sampling circuit, and generate corresponding current value
Change curve.
Main control module can be ranked up according to the acquisition time of current value, and generate corresponding current value change curve.
The case where current value that the current value change curve specifically refers to acquisition changes over time.Current value change curve can reflect
In a period of time, the load situation of change of driving motor.
Then, food form is determined according to whether current value change curve meets scheduled index.When meeting predetermined finger
When mark, it is determined as liquid；When not meeting desired indicator, it is determined as solid-liquid mixing.In the present embodiment, it is suitable to can be set
Index, it is whether steady qualitatively to distinguish current curve.The scheduled index specifically can be the variation of current value
Amplitude, change rate, variance or standard deviation etc. can be arranged according to the actual situation by those skilled in the art.
The current value of the current sampling circuit acquisition can reflect the operating condition (loading) of driving motor.Due to driving
The load of dynamic motor mostlys come from the resistance that stirring cutter head is subject in rotary course.It specifically can be with any suitable frequency
The sampling of the current value of driving motor is carried out, such as every 5s acquires primary current value, obtains and driven described in the motor operation initial stage
The current value amplitude of variation of dynamic motor, judges whether the current value amplitude of variation is less than preset threshold value, if so, determining institute
The food form stated in food container is liquid, if not, it is determined that the food form in the food container is solid-liquid mixing.
404, the driving motor is controlled with liquid stirring mode operation.The liquid stirring mode be and liquid food pair
The food preparation mode answered.
When the food being added in food container is uniform liquid substance, chip controls driving motor is controlled with correspondence
Liquid stirring mode operation for a period of time, the liquid agitation in food container is uniform.Certainly, broken with above-mentioned solid
Mode is similar, and the carrying out practically parameter (such as revolving speed, time or torque) of the liquid stirring mode can also be by ability
Field technique personnel are configured according to the actual situation.
405, the driving motor is controlled with the operation of solid-liquid stirring mode.The solid-liquid stirring mode is that food is mixed with solid-liquid
The corresponding food preparation mode of object.After being determined that the food form in food container is solid-liquid mixing, the main control module
Can corresponding control driving motor run with corresponding solid-liquid stirring mode, be stirred operation.
406, when with the solid-liquid stirring mode or solid breaking patterns operation, pass through the current sample electricity
Road acquires the current value of the driving motor, and generates corresponding current value change curve.
After carrying out the stirring operation of certain time, main control module also needs to be become according to the food form in food container
Change situation, determines the food processing apparatus time out of service.Due to the processing target and solid food to solid-state mixing food
It is identical, it is also desirable that enabling food to reach uniform liquid condition by stirring.Therefore, main control module can use identical
Judge whether solid-liquid mixing food or solid food have stirred evenly.
407, judge whether the current value change curve meets scheduled index.If so, thening follow the steps 408；If it is not,
Then continue to stir.
The waveform that the current value change curve meets scheduled index expression current value change curve is steady.Therefore, when
When the current value change curve meets scheduled index, it is believed that solid food or solid-liquid mixing in food container
Food (such as ice cube) be stirred and show that the food preparation operations of stirring have been completed for uniform liquid food.
408, the driving motor is closed.
Main control module will turn off the driving motor after the completion of food preparation operations, stop food processing apparatus
Operation, guarantee processing after food will not because driving motor temperature is excessively high cause nutrition destruction or food processing apparatus time-out
The problem of operation is easily damaged.
In food detection method provided by the embodiment of the utility model, first according in detection signal confirmation food container
Whether liquid is contained.Then, when further determining food container according to current signal and whether containing solid matter, thus most
The food form in the food container is determined eventually.
According to the classification of the food Morphology observation in food container (solid-state, liquid and solid-liquid mix three kinds).The food
Processing unit can be configured with three kinds of food preparation modes corresponding with above-mentioned food Morphology observation result.Controlling chip can be with
According to the food Morphology observation of above-mentioned food detection method as a result, selection driving motor executes corresponding food preparation mode.
In the present embodiment, it is a pair by the way that food container base is arranged in that whether detect in food container, which has liquid,
What probe was completed.Whether there is bulk solid matters in detection food container is by obtaining in the operational process of driving motor
Current value change curve is realized.By the combination of above two detection mode, can be realized food form detection and
The intelligence of food processing apparatus is closed, and the intelligence degree of food processing apparatus is effectively increased.
Fig. 5 judges whether the current value change curve meets scheduled index to be provided by the embodiment of the utility model
Method flow diagram.As shown in figure 5, the judgment method includes:
501, the difference between the maximum current value and minimum current value in the unit of account time.Become in judgment curves variation
During gesture, it is thus necessary to determine that the judgement window of a specific length, to the variation size between calculating current value.
In the present embodiment, the current value change curve is the curve changed over time.Such as the X-axis of curve is when being
Between, Y-axis is current value size.The judgement window can be indicated accordingly with the unit time.
Specifically, the unit time can be related to the current value sampling period of current sampling circuit, such as when the unit
Between can be twice of the current value sampling period.
502, judge whether the difference is less than preset difference threshold.If so, thening follow the steps 504；If it is not, then executing
Step 503.The difference threshold can be specifically configured according to the actual situation, be determined by the specific parameter of food processing apparatus
It is fixed, for example, food processing apparatus food container capacity, the power etc. of driving motor.
503, determine that the current value change curve does not meet scheduled index.If the difference is larger, show shorter
In time, the current value amplitude of variation of driving motor is very big, it is believed that is now in the non-uniform state of load, food container
Inside there is food.
504, the average value of all differences in preset duration is calculated.
In the lesser situation of variation difference when some judges window, whether judgment curves steadily also need further
The general morphologictrend of calculated curve.
The average value of above-mentioned all differences is the average value of the absolute value of all above-mentioned differences in a period of time, which show
In entire calculating process, the total ripple situation of curve.The average value of difference shows that more greatly fluctuation is bigger, and curve is not steady
's.
505, judge whether the average value is less than preset absolute value threshold value.If so, thening follow the steps 506；If it is not, then
Execute step 503.The absolute value threshold value is similar with above-mentioned difference threshold, can also according to the actual situation, by art technology
Personnel are configured.
506, determine that the current value change curve meets scheduled index.
When the average value is smaller, show that curve has come into a more stable stage at this time, has higher
Confidence level think the load of driving motor there is no variations.
If average value is larger, show that driving motor may be to judge in window at some, because of the shadow of a variety of causes
Ring and enable the load of driving motor there is no variation.Generally speaking, it is more obvious to be still within fluctuation for current value change curve
Stage.Therefore, can be judged to not meeting scheduled index.
In the embodiment shown in fig. 5, the scheduled index includes: maximum current value and minimum current in the unit time
Difference between value and this two indexs of the average value of all differences in a period of time.Only when current value change curve is to two
When item index is all satisfied, just think that the current value change curve enters a stable state.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of food processing apparatus, including processor host and food container, the processor host includes driving motor,
The blender driven by the driving motor is provided in the food container, which is characterized in that
Food detection module is provided in the food container, the food detection module is used to detect the food in food container
Form；
Main control module and current sampling circuit are provided in the processor host；The current sampling circuit and the driving
Motor connection, acquires the current signal of the driving motor；
The main control module is connect with the driving motor and the current sampling circuit respectively, for being detected according to the food
The food form of module detection and the current signal of current sampling circuit acquisition, control the operation of the driving motor.
2. food processing apparatus according to claim 1, which is characterized in that the food detection module includes: a pair of of spy
Head and detection chip；
The discrete bottom that the food container is set of probe, the detection signal of one of probe and the detection chip
Output end connection, another probe are connect with the detection signal receiving end of the detection chip；
The detection signal output end is popped one's head in by one of them and exports cyclical signal to the bottom of the food container, described
Cyclical signal is popped one's head in by another according to the difference of food form and is detected accordingly to the detection signal receiving end feedback
The detection signal is sent to main control module by signal, the detection chip.
3. food processing apparatus according to claim 2, which is characterized in that when food form is solid-state, a pair of probe
Between form high-impedance state, to the detection signal receiving end feedback low voltage signal as detection signal；
When food form is liquid or solid-liquid mixing, low resistance state is formed between a pair of probe, is received to the detection signal
Hold feedback that there is the detection signal with the cyclical signal same period.
4. food processing apparatus according to claim 1, which is characterized in that the main control module include switching device and
Control chip；
The switching device is arranged between power supply and the driving motor, connect with the control chip, is used for basis
The control signal for controlling chip, controls the starting or stopping of the driving motor；
The control chip is connect with the food detection module and current sampling circuit respectively, for receiving the food inspection
It surveys the dietary regimen of module detection and the current signal of current sampling circuit acquisition, the output of Xiang Suoshu switching device corresponds to
Control signal.
5. food processing apparatus according to claim 1, which is characterized in that the processor host further includes first wireless
Communication module, the food container further include the second wireless communication module；
Between the main control module and the food detection module wirelessly by first wireless communication module and described second
Communication module establishes wireless communication connection；
The main control module obtains the detected dietary regimen of food detection module by the wireless communication connection
Information.
6. food processing apparatus according to claim 5, which is characterized in that first wireless communication module includes RFID
Radio frequency chip；Second wireless communication module includes passive RFID tags corresponding with the RFID radio frequency chip；It is described
RFID radio frequency chip is connected to the main control module, and the passive RFID tags are connect with the food detection module.
7. food processing apparatus according to claim 4, which is characterized in that the switching device is bidirectional triode thyristor；Institute
A pair of of the main electrode for stating bidirectional triode thyristor is connect with the power supply and the driving motor respectively, the bidirectional triode thyristor
Control electrode is connect with the control signal output pin of the control chip.
8. food processing apparatus according to claim 7, which is characterized in that the current sampling circuit includes current sample
Resistance；
One end of the current sampling resistor is connect with DC voltage source and the power supply respectively, the current sampling resistor
The other end receive pin and the bidirectional triode thyristor with the sampled value of the control chip respectively and connect.
9. food processing apparatus according to claim 8, which is characterized in that the main control module further include first resistor and
Second resistance；
The current sampling resistor receives pin with the sampled value of the control chip by first resistor and connect；It is described it is two-way can
The control electrode of control silicon is connect by second resistance with the control signal output pin of the control chip.
10. food processing apparatus according to claim 2, which is characterized in that the food detection module further includes first
Capacitor, the second capacitor and 3rd resistor；
The probe connecting with the detection signal output end of the detection chip is the first probe, and the detection with the detection chip is believed
The probe of number receiving end connection is the second probe；
First probe is connect by first capacitor with the detection signal output end of the detection chip；Second probe is logical
The second capacitor is crossed to connect with the detection signal receiving end of the detection chip；The detection signal receiving end of the detection chip is also logical
Cross the 3rd resistor ground connection.
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| CN201721892071.2U CN209003705U (en) | 2017-12-28 | 2017-12-28 | Food processing apparatus |
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| CN201721892071.2U CN209003705U (en) | 2017-12-28 | 2017-12-28 | Food processing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108095579A (en) * | 2017-12-28 | 2018-06-01 | 深圳和而泰小家电智能科技有限公司 | Food processing apparatus and its food preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108095579A (en) * | 2017-12-28 | 2018-06-01 | 深圳和而泰小家电智能科技有限公司 | Food processing apparatus and its food preparation method |
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