CN111142392B - Food processor and control method thereof - Google Patents
Food processor and control method thereof Download PDFInfo
- Publication number
- CN111142392B CN111142392B CN201911313830.9A CN201911313830A CN111142392B CN 111142392 B CN111142392 B CN 111142392B CN 201911313830 A CN201911313830 A CN 201911313830A CN 111142392 B CN111142392 B CN 111142392B
- Authority
- CN
- China
- Prior art keywords
- water
- water tank
- photoelectric sensor
- photoelectric
- food processor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/046—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven with tools driven from the bottom side
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/075—Safety devices
- A47J43/0761—Safety devices for machines with tools driven from the lower side
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2643—Oven, cooking
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Automation & Control Theory (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Cookers (AREA)
Abstract
The application discloses a food processor and a control method thereof, wherein the food processor comprises: the cup body, the water tank, the water pump and the photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the method comprises the following steps: detecting whether continuous bubbles exist in water or not through a photoelectric sensor; when continuous bubbles exist in the water, judging that the water tank lacks water; and when the fact that no continuous bubbles exist in the water is detected, judging that the water tank is not deficient in water. Through this embodiment scheme, whether the detection of whether water tank lacks water through photoelectric sensor has been realized, has realized dry combustion method protection quick response and accurate judgement, protection machine life, improves user experience, and is difficult for receiving external factor influence, assembly cost is low.
Description
Technical Field
The present disclosure relates to cooking apparatus control technology, and more particularly, to a food processor and a control method thereof.
Background
The water level detection of the water tank of the existing food processor (such as a soymilk machine) adopts electrode detection or reed pipe, hall device and other modes, and the detection modes have the following defects when high-power heating is adopted:
1. if an electrode detection mode is adopted, water level electrode adhesion, large water resistance deviation caused by different water qualities or different water temperatures exist, misjudgment is caused when the liquid level fluctuates and the machine pumps water, and the problems of heating pipe dry burning or water outlet vaporization and the like are caused, so that user experience is affected, and the service life of the machine is reduced.
2. If a reed switch or a Hall device detection mode is adopted, the deviation of the intensity of detection signals caused by the assembly deviation of the water tank exists, in addition, the device has a certain induction area, and the phenomena of misjudgment, delay and the like exist, so that the problems of dry heating of a heating pipe, water evaporation and the like are caused, the user experience is influenced, and the service life of a machine is reduced.
3. The device cost and the assembly cost of the electrode detection or reed switch, hall device and other modes are high, and the control and detection are complex.
Disclosure of Invention
The application provides a food processor and a control method thereof, which can realize the detection of whether the water tank is lack of water through a photoelectric sensor, realize quick response and accurate judgment of dry combustion protection, protect the service life of the machine, improve the user experience, and are not easily influenced by external factors, and have low assembly cost.
The present application provides a control method of a food processor, which may include: the cup body, the water tank, the water pump and the photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the method may include:
detecting whether continuous bubbles exist in water or not through the photoelectric sensor;
when continuous bubbles exist in the water, judging that the water tank lacks water; when no continuous bubbles exist in the water, the water tank is judged not to be deficient.
In an exemplary embodiment of the present application, the detecting, by the photosensor, whether there is a persistent bubble in the water may include:
continuously collecting photoelectric signals V generated by the photoelectric sensor n ；
From a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n ；
Changing the photoelectric signal by delta V n And a preset variation judgment threshold value DeltaV 0 Comparing;
when DeltaV appears in the first preset time period T n <ΔV 0 Number of times N of (2)>At 0, the presence of persistent bubbles in the water is determined.
In an exemplary embodiment of the present application, the method may further include: after the food processor enters the food processing flow, the photoelectric sensor is continuously used for detecting whether the water tank is deficient or not, and corresponding follow-up control flows are adopted according to different detection results.
In an exemplary embodiment of the present application, the continuing to detect whether the water tank is deficient by the photosensor may include:
continuously collecting a photoelectric signal V generated by the photoelectric sensor;
calculating a photoelectric signal variation delta V according to the collected multiple photoelectric signals V;
the photoelectric signal variation delta V and a preset variation judgment threshold delta V are combined 0 Comparing;
when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The times N is greater than or equal to N 0 When the water tank is in a water shortage state, continuous bubbles in the water are judged; when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The number of times N < N 0 Or DeltaV<ΔV 0 When the water tank is in a water state, the water tank is not in a water shortage state, and the water tank is not in a water shortage state; wherein N is 0 Is a positive integer greater than 1.
In an exemplary embodiment of the present application, the adopting a corresponding subsequent control flow according to different detection results may include:
when the water tank is judged to be deficient, a water deficiency prompt is sent out, heating is stopped, and a preset dry-burning protection treatment process is carried out;
when the delta V is larger than or equal to the delta V in the first preset time period T 0 The number of times N < N 0 When the water tank is judged not to be deficient, if N=0, controlling the food processor to execute according to a normal pulping process; if 0 is<N<N 0 Adjusting the pumping speed S of the water pump and the heating power Q of the heating device;
when according to DeltaV<ΔV 0 When the water tank is judged not to be deficient in water, impurities appear in the water inlet process or the pumping speed fluctuates, the current judgment result is ignored, and the water inlet flow is continuously executed.
In an exemplary embodiment of the present application, the method may further include: in the water inlet process, the photoelectric sensor is used for detecting water quality.
In an exemplary embodiment of the present application, the detecting of the water quality by the photo sensor may include:
continuously collecting photoelectric signals V generated by the photoelectric sensor n ；
To collect photoelectric signal V n And a preset photoelectric signal judgment threshold V 0 Comparing;
when V is n >＝V 0 When the water tank is used, the water placed in the water tank is judged to be purified water;
when V is n <V 0 And when the water in the water tank is judged to be non-purified water.
In an exemplary embodiment of the present application, the method may further include: from a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n The method comprises the steps of carrying out a first treatment on the surface of the When DeltaV appears in the first preset time period T n <ΔV 0 When the number of times N < 1, the photoelectric signal V is adopted n Updating the photoelectric signal judgment threshold V 0 And according to the relationCalculating the change delta V of the photoelectric signal n And adopts the calculated photoelectric signal variation delta V n Updating the variation determination threshold Δv 0 。
In an exemplary embodiment of the present application, the method may further include: after the dry heating protection treatment is performed, before the food processor executes the food processing function again, whether the water tank exists or not and whether the water tank is lack of water or not are detected according to the photoelectric sensor.
In an exemplary embodiment of the present application, the food processor may further include a heating device; the water outlet of the water pump is connected with the cup body through the heating device;
the method may further comprise: in the water inlet process before the heating device is started, whether continuous bubbles exist in the water or not is detected through the photoelectric sensor.
The present application also provides a food processor, which may include: a processor, a computer readable storage medium, a cup, a water tank, a water pump, a heating device and a photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the heating device; the water outlet of the heating device is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the computer-readable storage medium has instructions stored therein that, when executed by the processor, implement the method of controlling a food processor of any of the above.
In comparison with the related art, the food processor of the present application may include: the cup body, the water tank, the water pump and the photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the method may include: detecting whether continuous bubbles exist in water or not through the photoelectric sensor; when continuous bubbles exist in the water, judging that the water tank lacks water; when no continuous bubbles exist in the water, the water tank is judged not to be deficient. Through this embodiment scheme, whether the detection of whether water tank lacks water through photoelectric sensor has been realized, has realized dry combustion method protection quick response and accurate judgement, protection machine life, improves user experience, and is difficult for receiving external factor influence, assembly cost is low.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. Other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The accompanying drawings are included to provide an understanding of the principles of the application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain, without limitation, the principles of the application.
FIG. 1 is a schematic diagram of a food processor assembly according to an embodiment of the present application;
fig. 2 is a flowchart of a control method of a food processor according to an embodiment of the present application.
Detailed Description
The present application has been described in terms of several embodiments, but the description is illustrative and not restrictive, and it will be apparent to those of ordinary skill in the art that many more embodiments and implementations are possible within the scope of the described embodiments. Although many possible combinations of features are shown in the drawings and discussed in the detailed description, many other combinations of the disclosed features are possible. Any feature or element of any embodiment may be used in combination with or in place of any other feature or element of any other embodiment unless specifically limited.
The present application includes and contemplates combinations of features and elements known to those of ordinary skill in the art. The disclosed embodiments, features and elements of the present application may also be combined with any conventional features or elements to form a unique inventive arrangement as defined by the claims. Any feature or element of any embodiment may also be combined with features or elements from other inventive arrangements to form another unique inventive arrangement as defined in the claims. It is therefore to be understood that any of the features shown and/or discussed in the present application may be implemented alone or in any suitable combination. Accordingly, the embodiments are not to be restricted except in light of the attached claims and their equivalents. Further, various modifications and changes may be made within the scope of the appended claims.
Furthermore, in describing representative embodiments, the specification may have presented the method and/or process as a particular sequence of steps. However, to the extent that the method or process does not rely on the particular order of steps set forth herein, the method or process should not be limited to the particular sequence of steps described. Other sequences of steps are possible as will be appreciated by those of ordinary skill in the art. Accordingly, the particular order of the steps set forth in the specification should not be construed as limitations on the claims. Furthermore, the claims directed to the method and/or process should not be limited to the performance of their steps in the order written, and one skilled in the art can readily appreciate that the sequences may be varied and still remain within the spirit and scope of the embodiments of the present application.
Example 1
The present application provides a control method of a food processor, as shown in fig. 1, the food processor may include: the cup body 5, the water tank 3, the water pump 1 and the photoelectric sensor 2; the water inlet of the water pump 1 is connected with the water tank 3, and the water outlet is connected with the cup body (or called cavity) 5; the photoelectric sensor 2 is arranged at the water outlet; as shown in fig. 2, the method may include S101-S102:
s101, detecting whether continuous bubbles exist in water or not through the photoelectric sensor;
s102, when continuous bubbles exist in water, judging that the water tank lacks water; when no continuous bubbles exist in the water, the water tank is judged not to be deficient.
In an exemplary embodiment of the present application, the photoelectric sensor 2 is placed on the water inlet line in a non-contact manner, and the water level state of the water tank is recognized by detecting a change in the signal.
In an exemplary embodiment of the present application, the embodiment may be applied to any device with a water tank, for example, various food processors, water dispensers, etc.
In an exemplary embodiment of the application, the food processor may further comprise a heating device 4; the water outlet of the water pump is connected with the cup body 5 through the heating device 4;
the method further comprises the steps of: during the water intake before the heating device 4 is started, whether continuous bubbles exist in the water or not is detected by the photoelectric sensor 2.
In the exemplary embodiment of the application, a non-contact photoelectric sensor detection mode is adopted in the scheme, the phenomena of heat dissipation, transmission and refraction of bubbles in water on infrared light are utilized to cause the change of photoelectric sensor signals, the transmission amount of light depends on the quantity and the size of the bubbles in water, and the more the bubbles in water or the larger the bubbles, the less light is transmitted. The light receiving end converts transmitted light intensity into corresponding electric signals, the more transmitted light is, the larger the electric signals are, otherwise, the less transmitted light is, the smaller the electric signals are, and the main control of the food processor can collect the electric signals for processing and judging. Based on the principle, the water level condition of the water tank can be identified and judged by utilizing the change of the detection signal of the receiving end of the photoelectric sensor 2.
In the exemplary embodiment of the application, in the device comprising the heating device 4, since the machine adopts a high-power instant heating mode, dry heating risks exist when the heating pipeline lacks water, and the phenomenon of water outlet gasification exists when the water inlet has bubbles, whether the bubbles exist in the water inlet process is detected rapidly by detecting the photoelectric sensor 2 arranged between the water outlet of the water pump 1 and the heating device 4 (such as a heating pipe), and the dry heating protection and the self-adaptive adjustment water inlet control are implemented in time.
In the exemplary embodiment of the application, when the water tank 3 lacks water, a large number of bubbles exist in the water pumped by the water pump 1, whether bubbles and the number of the bubbles exist in the water inlet process or not is judged by detecting the signal intensity change of the receiving end of the photoelectric sensor 2 arranged between the water outlet of the water pump 1 and the heating device 4, the machine realizes autonomous dry-heating protection judgment and self-adaptive adjustment control, the dry-heating protection is realized, the abnormality caused by dry heating of the machine is avoided, and the user experience is improved.
In the exemplary embodiment of the application, the detection mode of detecting whether the water tank is lack of water by detecting the photoelectric sensor 2 arranged between the water outlet of the water pump 1 and the heating device 4 is low in cost and high in reliability, the service life of the machine is prolonged, and the user experience is improved.
Example two
This embodiment gives a specific example of detecting whether there is a persistent bubble in water by the photosensor on the basis of the first embodiment.
In an exemplary embodiment of the present application, the detecting, by the photosensor, whether there is a persistent bubble in the water may include:
continuously collecting photoelectric signals V generated by the photoelectric sensor n ；
From a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n ；
Changing the photoelectric signal by delta V n And a preset variation judgment threshold value DeltaV 0 Comparing;
when DeltaV appears in the first preset time period T n <ΔV 0 Number of times N of (2)>At 0, the presence of persistent bubbles in the water is determined.
In an exemplary embodiment of the application, the photoelectric sensor 2 is placed at the water inlet position of the machine, and the receiving and transmitting ends of the photoelectric sensor 2 are clamped at the water inlet pipeline position. The machine pumps water in advance before carrying out food processing function at every turn and fills machine pipeline, and the volume of whole pipeline is W, and the master control is according to pipeline volume and pump water speed drive water pump inflow W filling line in t seconds, and the master control drives photoelectric sensor simultaneously and detects work, and after t seconds, the master control can be according to the heating device 4 heating of water level detection judgement result drive to continue to carry out water level condition detection through photoelectric sensor.
In an exemplary embodiment of the application, d=m×p; d is the flow in unit time, m is the cross-sectional area of the drain pipe, and p is the flow rate in unit time; the time period for reaching the water inflow W
In an exemplary embodiment of the present application, an initial variation determination threshold Δv of the photosensor 2 may be preset before shipment of the machine 0 When judging whether the water tank is deficient, the photoelectric signal variation delta V can be used for judging whether the water tank is deficient or not n And a preset variation judgment threshold value DeltaV 0 Comparing; when DeltaV n <ΔV 0 When the master control can count up the number of times by adding 1, the number of times N appears in a certain time T seconds>And 0, the main control determines that continuous bubbles exist in the water, and judges that the water tank lacks water, so that a user can be prompted to add water.
In the exemplary embodiment of the application, before each execution of the food processing function, the machine can pump water in advance to fill the machine pipeline, the signal value of the photoelectric sensor is detected in the process to judge whether the water tank is water or not, the dry burning phenomenon is avoided when the function is executed and the machine pipeline is water-free, and the service life and the user experience of the machine are protected.
In the exemplary embodiment of the application, before each time of executing the food processing function, the machine can pump water in advance to fill the machine pipeline, and the corresponding water inflow is matched according to the size of the pipeline and the water inflow speed, so that whether the water tank is lack of water or not can be accurately identified and judged under the minimum water inflow condition, the pulping effect and the pulping period are prevented from being influenced by excessive cold water, and the intelligent degree of the whole machine is improved.
In the exemplary embodiment of the application, the embodiment utilizes the change of the photoelectric signal of the photoelectric sensor caused by the air bubble in the water, realizes the protection control by comparing the detected photoelectric signal value with the set threshold value, and ensures the detection accuracy, improves the reliability and improves the user experience by adopting a non-contact photoelectric sensor detection mode without being influenced by regional water quality difference, different water quality placed by the user, water adhesion and the like.
Example III
The embodiment provides an embodiment of judging water quality and pipeline condition before each water inlet heating stage of the machine and performing calibration and updating of a judgment threshold value on the basis of the second embodiment.
In an exemplary embodiment of the present application, the method may further include: in the water inlet process, the photoelectric sensor is used for detecting water quality.
In an exemplary embodiment of the present application, the detecting of the water quality by the photo sensor may include:
continuously collecting photoelectric signals V generated by the photoelectric sensor n ；
To collect photoelectric signal V n And a preset photoelectric signal judgment threshold V 0 Comparing;
when V is n >＝V 0 When the water tank is used, the water placed in the water tank is judged to be purified water;
when V is n <V 0 And when the water in the water tank is judged to be non-purified water.
In an exemplary embodiment of the present application, an initial photoelectric signal determination threshold V of the photoelectric sensor 2 may be preset before the machine leaves the factory 0 The photoelectric signal V can be used for judging the water quality n And photoelectric signal judgment threshold V 0 Comparing; when V is n >＝V 0 When the main control device is used, the main control device can judge that the water placed by a user is purified water; when V is n <V 0 When the main control device is used, the main control device can judge that the water placed by the user is non-purified water.
At the bookIn the exemplary embodiment of the application, in the photoelectric signal variation Δv n And a variation determination threshold DeltaV 0 In the process of comparing to judge whether the water tank is deficient or not, the photoelectric signal judgment threshold V can be determined according to the size relation of the two 0 Variation determination threshold DeltaV 0 The updating value of the threshold value is updated in time, so that the judging accuracy is improved.
In an exemplary embodiment of the present application, the method may further include: from a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n The method comprises the steps of carrying out a first treatment on the surface of the When DeltaV appears in the first preset time period T n <ΔV 0 When the number of times N < 1, the photoelectric signal V is adopted n Updating the photoelectric signal judgment threshold V 0 And according to the relationCalculating the change delta V of the photoelectric signal n And adopts the calculated photoelectric signal variation delta V n Updating the variation determination threshold Δv 0 。
In an exemplary embodiment of the application, when DeltaV n <ΔV 0 When the number of occurrences of the condition is 0 in a certain time T seconds, the main control can count the number of occurrences of the condition by 1, and can send the current photoelectric signal V n Updated to a judgment threshold, i.e. using the current photoelectric signal V n Updating the initial photoelectric signal judgment threshold V 0 。
In an exemplary embodiment of the present application, further, the threshold V may be determined according to updated determination n Initial variation determination threshold DeltaV for size adjustment 0 Updated to the variation determination thresholdThe main control can detect the signal variation value DeltaV of the receiving end of the photoelectric sensor in real time after t seconds n And the updated initial variation threshold value delta V 0 And comparing and judging.
In the exemplary embodiment of the application, the machine can pump water in advance to fill the machine pipeline before executing the food processing function each time, in the process, the signal value of the detection photoelectric sensor is compared with the main control setting value for judgment, and the calibration judgment threshold value is updated, so that misjudgment caused by the change of the signal value due to different water quality is avoided, the detection accuracy is improved, the service life of the machine is ensured, and the user experience is improved.
Example IV
The embodiment provides an embodiment of judging the water level state of the water tank by detecting the variation in real time through the photoelectric sensor in the pulping process of the machine on the basis of any embodiment.
In an exemplary embodiment of the present application, the method may further include: after the food processor enters the food processing flow, the photoelectric sensor is continuously used for detecting whether the water tank is deficient or not, and corresponding follow-up control flows are adopted according to different detection results.
In an exemplary embodiment of the present application, the continuing to detect whether the water tank is deficient by the photosensor may include:
continuously collecting a photoelectric signal V generated by the photoelectric sensor;
calculating a photoelectric signal variation delta V according to the collected multiple photoelectric signals V;
the photoelectric signal variation delta V and a preset variation judgment threshold delta V are combined 0 Comparing;
when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The times N is greater than or equal to N 0 When the water tank is in a water shortage state, continuous bubbles in the water are judged; when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The number of times N < N 0 Or DeltaV<ΔV 0 When the water tank is in a water state, the water tank is not in a water shortage state, and the water tank is not in a water shortage state; wherein N is 0 Is a positive integer greater than 1.
In the exemplary embodiment of the application, the main control enters the normal pulping water inlet process after the water inlet judgment is performed in advance before the water inlet heating stage, and the main control detects the signal variation value delta V and the initial variation threshold delta V of the receiving end of the photoelectric sensor in real time 0 And comparing and judging.
At the bookIn the exemplary embodiment of the application, when ΔV is greater than or equal to ΔV 0 When the master control can count the occurrence number of the situation by 1, if N appears within a certain time T seconds 0 Once (e.g., 2 times, 3 times, etc.), T may be selected to be 1/2*t; the main control can judge that continuous bubbles appear in the water inlet process, and the main control judges that the water tank lacks water or has water inlet abnormality, so that a user can be prompted and corresponding dry-burning protection control treatment can be performed.
In an exemplary embodiment of the application, when ΔV+.DELTA.V is present 0 When the master control accumulated count is added by 1, if the number of occurrences is less than N in a certain time T seconds 0 When the water tank is used for supplying water, the main control can judge that no continuous bubble exists in the water supply process, and the main control judges that no water tank water shortage or water supply abnormality exists, and can adaptively adjust the water pumping speed and the heating power.
In an exemplary embodiment of the application, when DeltaV<ΔV 0 When the main control device is used, the main control device can judge that impurities occur in the water inlet process or the current result is caused by the change of the water flow speed, and the main control device can continue to execute the water inlet process without processing at the moment.
In an exemplary embodiment of the application, a master control detects the signal variation value delta V and the variation threshold delta V of a photoelectric sensor receiving end in real time in the machine pulping process 0 And comparing and judging, and performing different control treatments according to different judging results, so that the intelligent degree of the whole machine is improved, and the user experience is improved.
In an exemplary embodiment of the application, the photoelectric sensor 2 may be placed at the water inlet position of the machine, and both receiving and transmitting ends of the photoelectric sensor 2 may be caught at the water inlet pipe position. And when the machine enters a water inlet heating stage, the main control detects the signal value and the variation value of the receiving end of the photoelectric sensor in real time, compares and judges the signal value and the variation value with an initial judging threshold value and an initial variation judging threshold value set by the system through optimal control, feeds back the water level state of the water tank in time and protects the machine safely. The machine realizes self-adaptive adjustment control in the water inlet process by controlling devices such as a water pump, a temperature sensor and the like through the photoelectric sensor.
Example five
This embodiment gives a specific embodiment of adopting a corresponding subsequent control flow according to different detection results on the basis of any of the above embodiments.
In an exemplary embodiment of the present application, the adopting a corresponding subsequent control flow according to different detection results may include:
when the water tank is judged to be deficient, a water deficiency prompt is sent out, heating is stopped, and a preset dry-burning protection treatment process is carried out;
when the delta V is larger than or equal to the delta V in the first preset time period T 0 The number of times N < N 0 When the water tank is judged not to be deficient, if N=0, controlling the food processor to execute according to a normal pulping process; if 0 is<N<N 0 Adjusting the pumping speed S of the water pump and the heating power Q of the heating device;
when according to DeltaV<ΔV 0 When the water tank is judged not to be deficient in water, impurities appear in the water inlet process or the pumping speed fluctuates, the current judgment result is ignored, and the water inlet flow is continuously executed.
In the exemplary embodiment of the application, the photoelectric sensor detects and identifies the air bubble condition in the water inlet process in the pulping process, and the parameters such as heating power Q, pumping speed S and the like are adjusted to form the circulation closed control under the condition that the water tank is not deficient in water.
In an exemplary embodiment of the application, if the master detects ΔV+.DELTA.V within a certain time T seconds 0 The following judgment processing can be performed according to the magnitude of the accumulated count N times:
when N is greater than or equal to N 0 When the main control can stop heating and stop the water pump to work, enter a dry-heating protection state, and prompt a user that the water tank lacks water;
when n=0, the master control may be performed according to a normal pulping process;
when 0 is<N<N 0 When the main control can adjust the heating power Q and the pumping speed S, the main control can adjust the pumping speed toS 0 The working rotation speed of the water pump is initially set for the pulping processThe method comprises the steps of carrying out a first treatment on the surface of the In order to ensure that the temperature of the outlet water is unchanged, the main control can adjust the heating power at the same time>Q 0 Heating power set for pulping process; the main control can circularly judge until the pumping speed of the water pump is reduced to the lowest rotating speed of the water pump, and the main control stops heating and stopping the water pump to work, enters a dry-heating protection state and prompts a user that the water tank lacks water.
In the exemplary embodiment of the application, different control treatments are performed according to different numbers of bubbles in a set time in a water pumping process, so that the phenomenon of bubbles in a water inlet process caused by too high water pumping speed is avoided, the heating power and the water inlet speed are synchronously adjusted, the water inlet temperature is ensured to keep the set temperature, the phenomenon of misjudgment in a detection process is avoided, and the pulping effect is ensured.
Example six
The embodiment provides an embodiment of a control processing scheme after dry combustion protection based on any embodiment.
In an exemplary embodiment of the present application, the method may further include: after the dry heating protection treatment is performed, before the food processor executes the food processing function again, whether the water tank exists or not and whether the water tank is lack of water or not are detected according to the photoelectric sensor.
In an exemplary embodiment of the application, after the machine is dry-burned and protected, the water is pumped in advance for judging treatment before the machine performs the function:
when the machine sets up the water tank detection:
when the photoelectric sensor detects that the water tank is in a water-free state, the main control stops heating to enter dry heating protection, and the main control stops the water pump and the photoelectric sensor to work and prompts an alarm user to add water. The master control detects the water tank state in real time, if the master control discerns that the water tank is taken out, the master control can prompt the user to place the water tank, and when the master control detects the water tank, the master control can drive the water pump to advance water and open t seconds and drive simultaneously and open photoelectric sensor and detect the judgement, and when sensor detected signal is normal, the master control gets into normal slurrying work flow, and this process circulation judges.
When the machine is not provided with a water tank for detection:
when the photoelectric sensor detects that the water tank is in a water-free state, the main control stops heating to enter dry heating protection, the main control prompts an alarm user to add water, the main control drives the photoelectric sensor to work in real time and simultaneously drives the water pump to intermittently work in a way of starting, stopping and stopping for td seconds, the process can be circularly judged for h times, and the normal water inlet work flow is carried out when the photoelectric sensor detects that the signal is normal in the process, otherwise, the machine stops working and enters the dormant state.
In the exemplary embodiment of the present application, td seconds may be selected to be 60 seconds, and the loop judgment h times may be selected to be 3 times.
In the exemplary embodiment of the application, the water pump is prevented from shortening in service life and influencing the service life of the whole machine due to long-time working under the anhydrous condition by pumping water in advance for judging and processing before executing the function after the dry-heating protection of the machine according to the detection of whether the water tank exists or not and matching different control processing modes.
Example seven
The present application also provides a food processor, as shown in fig. 1, which may include: a processor (not shown), a computer readable storage medium (not shown), a cup 5, a water tank 3, a water pump 1, a heating device 4, and a photoelectric sensor 2; the water inlet of the water pump 1 is connected with the water tank 3, and the water outlet is connected with the heating device 4; the water outlet of the heating device 4 is connected with the cup body 5; the photoelectric sensor 2 is arranged at the water outlet; the computer-readable storage medium has instructions stored therein that, when executed by the processor, implement the method of controlling a food processor of any of the above.
In the exemplary embodiment of the application, when the machine executes a pulping function or a cleaning function is selected by a user, the main control can drive the water pump 1 to pump a certain amount of water from the water tank 3 into the cup body 5, the main control drives the heating device 4 to heat the water and detect the water outlet temperature through the temperature sensor 6, the photoelectric sensor 2 is arranged on the water outlet pipeline of the water pump 1, and the main control can detect the signal value and the variation value of the photoelectric sensor 2 in real time to perform control processing.
In the exemplary embodiment of the application, as the water inlet pipe is a hose, a shaking phenomenon exists during water inlet, the photoelectric sensor 2 is arranged at the water outlet position of the water pump 1 and fixed on the machine shell, the position of the photoelectric sensor 2 is reduced from being influenced by the outside, and the detection accuracy of the photoelectric sensor 2 is ensured.
In the exemplary embodiment of the application, the photoelectric sensor 2 is arranged at the lower part of the machine shell and far away from the cavity heating pipe 4, so that the influence of heat radiation of the cavity heating pipe 4 is reduced, and the detection accuracy of the photoelectric sensor 2 is improved.
Those of ordinary skill in the art will appreciate that all or some of the steps, systems, functional modules/units in the apparatus, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between the functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed cooperatively by several physical components. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes both volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. Furthermore, as is well known to those of ordinary skill in the art, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media.
Claims (8)
1. A method of controlling a food processor, the food processor comprising: the cup body, the water tank, the water pump and the photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the food processor further comprises a heating device; the water outlet of the water pump is connected with the cup body through the heating device; the method comprises the following steps:
in the water inlet process before the heating device is started, detecting whether continuous bubbles exist in water or not through the photoelectric sensor;
the detecting whether the continuous bubbles exist in the water by the photoelectric sensor comprises continuously collecting a photoelectric signal V generated by the photoelectric sensor n The method comprises the steps of carrying out a first treatment on the surface of the From a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n The method comprises the steps of carrying out a first treatment on the surface of the Changing the photoelectric signal by delta V n And a preset variation judgment threshold value DeltaV 0 Comparing;
when DeltaV appears in the first preset time period T n <ΔV 0 Number of times N of (2)>0, determining that continuous bubbles exist in water;
when continuous bubbles exist in the water, judging that the water tank lacks water; when no continuous bubbles exist in the water, the water tank is judged not to be deficient.
2. The method of controlling a food processor of claim 1, further comprising: in the water inlet process, detecting water quality through the photoelectric sensor;
the detecting of the water quality by the photoelectric sensor comprises:
continuously collecting photoelectric signals V generated by the photoelectric sensor n ；
To collect photoelectric signal V n And preset photoelectric signal judging valveValue V 0 Comparing;
when V is n >＝V 0 When the water tank is used, the water placed in the water tank is judged to be purified water;
when V is n <V 0 And when the water in the water tank is judged to be non-purified water.
3. The method of controlling a food processor of claim 2, further comprising: from a plurality of photoelectric signals V collected n Calculating the change delta V of the photoelectric signal n The method comprises the steps of carrying out a first treatment on the surface of the When DeltaV appears in the first preset time period T n <ΔV 0 When the number of times N < 1, the photoelectric signal V is adopted n Updating the photoelectric signal judgment threshold V 0 And according to the relationCalculating the change delta V of the photoelectric signal n And adopts the calculated photoelectric signal variation delta V n Updating the variation determination threshold Δv 0 。
4. A method of controlling a food processor, the food processor comprising: the cup body, the water tank, the water pump and the photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the food processor further comprises a heating device; the water outlet of the water pump is connected with the cup body through the heating device; the method comprises the following steps:
in the water inlet process before the heating device is started, detecting whether continuous bubbles exist in water or not through the photoelectric sensor;
when continuous bubbles exist in the water, judging that the water tank lacks water; when detecting that continuous bubbles do not exist in the water, judging that the water tank is not deficient;
after the food processor enters the food processing flow, the photoelectric sensor is continuously used for detecting whether the water tank is deficient or not, and corresponding follow-up control flows are adopted according to different detection results.
5. The method of claim 4, wherein continuing to detect whether the water tank is deficient by the photosensor comprises:
continuously collecting a photoelectric signal V generated by the photoelectric sensor;
calculating the photoelectric signal variation according to the collected photoelectric signals V;
the photoelectric signal variation delta V and a preset variation judgment threshold delta V are combined 0 Comparing;
when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The times N is greater than or equal to N 0 When the water tank is in a water shortage state, continuous bubbles in the water are judged; when the DeltaV is larger than or equal to DeltaV in the first preset time period T 0 The number of times N < N 0 Or DeltaV<ΔV 0 When the water tank is in a water state, the water tank is not in a water shortage state, and the water tank is not in a water shortage state; wherein N is 0 Is a positive integer greater than 1.
6. The method of claim 5, wherein the employing a corresponding subsequent control flow based on the different detection results comprises:
when the water tank is judged to be deficient, a water deficiency prompt is sent out, heating is stopped, and a preset dry-burning protection treatment process is carried out;
when the delta V is larger than or equal to the delta V in the first preset time period T 0 The number of times N < N 0 When the water tank is judged not to be deficient, if N=0, controlling the food processor to execute according to a normal pulping process; if 0 is<N<N 0 Adjusting the pumping speed S of the water pump and the heating power Q of the heating device;
when according to DeltaV<ΔV 0 When the water tank is judged not to be deficient in water, impurities appear in the water inlet process or the pumping speed fluctuates, the current judgment result is ignored, and the water inlet flow is continuously executed.
7. The method of controlling a food processor of claim 6, further comprising: after the dry heating protection treatment is performed, before the food processor executes the food processing function again, whether the water tank exists or not and whether the water tank is lack of water or not are detected according to the photoelectric sensor.
8. A food processor comprising: a processor, a computer readable storage medium, a cup, a water tank, a water pump, a heating device and a photoelectric sensor; the water inlet of the water pump is connected with the water tank, and the water outlet of the water pump is connected with the heating device; the water outlet of the heating device is connected with the cup body; the photoelectric sensor is arranged at the water outlet; the computer readable storage medium having instructions stored therein which, when executed by the processor, implement the method of controlling a food processor according to any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313830.9A CN111142392B (en) | 2019-12-19 | 2019-12-19 | Food processor and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313830.9A CN111142392B (en) | 2019-12-19 | 2019-12-19 | Food processor and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111142392A CN111142392A (en) | 2020-05-12 |
| CN111142392B true CN111142392B (en) | 2023-10-20 |
Family
ID=70518797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911313830.9A Active CN111142392B (en) | 2019-12-19 | 2019-12-19 | Food processor and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111142392B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655724B (en) * | 2021-07-12 | 2023-07-14 | 江苏美的清洁电器股份有限公司 | Control method, control device, household electrical appliance and storage medium |
| CN115969283A (en) * | 2021-11-09 | 2023-04-18 | 苏州简单有为科技有限公司 | Control method for a surface cleaning apparatus, surface cleaning apparatus and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201463287U (en) * | 2008-11-13 | 2010-05-12 | 珠海市润星泰电器有限公司 | Water inlet pipe of instant heating type water heater |
| CN201585868U (en) * | 2010-01-05 | 2010-09-22 | 余朝红 | Novel device for detecting signal of water shortage |
| JP2011143042A (en) * | 2010-01-14 | 2011-07-28 | Panasonic Corp | Dishwasher |
| CN104352171A (en) * | 2014-10-31 | 2015-02-18 | 东莞市德方斯电器科技有限公司 | Instant-heating water dispenser for water-lack alarm |
| CN108318457A (en) * | 2018-01-19 | 2018-07-24 | 华北水利水电大学 | The detection device of water turbidity |
| CN208355198U (en) * | 2017-10-20 | 2019-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
| CN109512284A (en) * | 2018-12-14 | 2019-03-26 | 九阳股份有限公司 | A method of using soymilk grinder coffee |
| CN110236378A (en) * | 2019-07-08 | 2019-09-17 | 华帝股份有限公司 | Steam cooking apparatus with water shortage detection function |
| CN110326961A (en) * | 2019-06-27 | 2019-10-15 | 宁波奥克斯厨电制造有限公司 | It is a kind of electricity steam box automatically add water control method and system |
-
2019
- 2019-12-19 CN CN201911313830.9A patent/CN111142392B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201463287U (en) * | 2008-11-13 | 2010-05-12 | 珠海市润星泰电器有限公司 | Water inlet pipe of instant heating type water heater |
| CN201585868U (en) * | 2010-01-05 | 2010-09-22 | 余朝红 | Novel device for detecting signal of water shortage |
| JP2011143042A (en) * | 2010-01-14 | 2011-07-28 | Panasonic Corp | Dishwasher |
| CN104352171A (en) * | 2014-10-31 | 2015-02-18 | 东莞市德方斯电器科技有限公司 | Instant-heating water dispenser for water-lack alarm |
| CN208355198U (en) * | 2017-10-20 | 2019-01-11 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
| CN108318457A (en) * | 2018-01-19 | 2018-07-24 | 华北水利水电大学 | The detection device of water turbidity |
| CN109512284A (en) * | 2018-12-14 | 2019-03-26 | 九阳股份有限公司 | A method of using soymilk grinder coffee |
| CN110326961A (en) * | 2019-06-27 | 2019-10-15 | 宁波奥克斯厨电制造有限公司 | It is a kind of electricity steam box automatically add water control method and system |
| CN110236378A (en) * | 2019-07-08 | 2019-09-17 | 华帝股份有限公司 | Steam cooking apparatus with water shortage detection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111142392A (en) | 2020-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111142392B (en) | Food processor and control method thereof | |
| CN110367297B (en) | Water shortage detection method of food processor and food processor | |
| US8858719B2 (en) | Method for the operation of a water-conducting household appliance | |
| WO2021012884A1 (en) | Control method and apparatus for automatically emptying water pump, corresponding device, and storage medium | |
| US20050005952A1 (en) | Adaptive fill for dishwashers | |
| CN106993992B (en) | Control method and dish-washing machine | |
| KR101952299B1 (en) | System and Method for producing clear ice | |
| CN107061248A (en) | A kind of control method of Water pump pressure controller | |
| CN108720785A (en) | A kind of table dish-washer controlling Method for inflow | |
| CN105571229B (en) | Ice machine and its control method and device | |
| JP2017510405A (en) | Method and system using setpoint control to maintain oil quality in a fryer | |
| JPH0622896A (en) | Controller of tableware washing/drying machine | |
| CN111103623B (en) | Water detection method of food processing machine | |
| CN111839173B (en) | Cooking equipment and water level control device and method thereof | |
| CN109528135A (en) | A kind of dish-washing machine is except residual water system and method | |
| CN107809197A (en) | A kind of method of marine electric machine control | |
| CN110878470A (en) | Control method and device of clothes treatment device and clothes treatment device | |
| CN108678984A (en) | A kind of autocontrol method and system based on projecting apparatus fan | |
| CN204043164U (en) | A kind of drainage arrangement and dehumidifier | |
| CN109703351A (en) | Cooling device | |
| CN115523143A (en) | Method and system for monitoring operation of vacuum pump using temperature sensor | |
| CN111956086B (en) | Water shortage detection method of cooking equipment | |
| CN112746435B (en) | Water inlet control method and device of clothes treatment device and clothes treatment device | |
| CN109268924B (en) | Method for controlling on-off number of heat pump units and heat pump unit system | |
| CN113790517A (en) | Power attenuation compensation method for PTC heater, electronic device and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |