CN105078198A - Electric cooking utensil and anti-overflow device and anti-overflow control method therefor - Google Patents
Electric cooking utensil and anti-overflow device and anti-overflow control method therefor Download PDFInfo
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Abstract
The invention discloses an anti-overflow device for an electric cooking utensil. The anti-overflow device comprises a distance detection module and a controller; the distance detection module is disposed in an upper over of the electric cooking utensil and is used for detecting a distance between the lower surface of the upper cover and a level of food materials cooked in an inner pot of the electric cooking utensil; the controller is connected with the distance detection module and is used for controlling the electric cooking utensil to stop heating or reduce power of heating so as to prevent overflowing of the electric cooking utensil, when the distance between the lower surface of the upper cover and the level of food materials cooked in the inner pot is less than or equal to a preset distance. The anti-overflow device is capable of accurately detection an event wherein thin gruel is about to overflow from the electric cooking utensil during cooking, thereby avoiding causing cleaning and maintenance problems. The invention further discloses the electric cooking utensil and an anti-overflow control method for the electric cooking utensil.
Description
Technical field
The present invention relates to living electric apparatus technical field, particularly a kind of anti-overflow device of electric cooking apparatus, a kind of anti-spilled control method of electric cooking apparatus and a kind of electric cooking apparatus with this anti-overflow device.
Background technology
At present in the process making electricity consumption cooking apparatus such as electric cooker cook, thin rice gruel is heated, and will inevitably produce a large amount of foams, will spill into beyond rice cooker when foam is too much, is even leaked to pot body inner, causes electric short circuit, there is certain potential safety hazard.
In correlation technique, although propose some technology preventing thin rice gruel from overflowing, or be low precision, detect inaccurate, overflow when electric cooker also can be caused to cook; Be exactly that cost is expensive, and be just can detect after overflowing has appearred in electric cooker, cause clean maintenance trouble.Therefore, in correlation technique prevent electric cooker from cooking time thin rice gruel overflow technology need improve.
Summary of the invention
Object of the present invention is intended at least solve above-mentioned technological deficiency.
For this reason, first object of the present invention is to propose a kind of anti-overflow device for electric cooking apparatus, and this anti-spilled checkout gear just can accurately detect when when electric cooking apparatus is cooked, thin rice gruel will overflow, thus can not bring the problem of clean maintenance.
The present invention's second object is to propose a kind of electric cooking apparatus.3rd object of the present invention is to propose a kind of anti-spilled control method for electric cooking apparatus.
For achieving the above object, a kind of anti-overflow device for electric cooking apparatus that first aspect present invention embodiment proposes, comprise: distance detects module, described distance detects module and is arranged in the upper cover of described electric cooking apparatus, and described distance detects the distance that module overflows between face for the food of cooking in the interior pot of the lower surface and described electric cooking apparatus that detect described upper cover; And controller, described controller detects module be connected with described distance, controls described electric cooking apparatus and stop heating or reduce power heating and occur spillover to prevent described electric cooking apparatus when described controller is less than or equal to predeterminable range for the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover.
According to the anti-overflow device for electric cooking apparatus of the embodiment of the present invention, when electric cooking apparatus cooking food, detect module by distance and detect the distance that the food of cooking in pot in the lower surface of upper cover and electric cooking apparatus overflows between face, then when the food distance of overflowing between face that controller is cooked in the lower surface judging upper cover and interior pot is less than or equal to predeterminable range and when electric cooking apparatus will occur to overflow, control electric cooking apparatus stop heating or reduce power heating, thus can effectively prevent electric cooking apparatus from occurring spillover.Therefore, the anti-overflow device for electric cooking apparatus of the embodiment of the present invention will be able to occur just can accurately detect when overflowing at electric cooking apparatus, and control electric cooking apparatus stopping heating or reduce power heating to occur spillover to prevent electric cooking apparatus, thus electric cooking apparatus can not be caused to overflow, would not bring the problem of clean maintenance, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.
According to one embodiment of present invention, described distance detection module is any one in ultrasound examination module, laser detection module or infrared detection module.
According to one embodiment of present invention, when described distance detection module is described ultrasound examination module, described ultrasound examination module comprises ultrasonic probe and ultrasonic drive circuit, and described ultrasonic drive circuit is connected with described ultrasonic probe.
Wherein, described ultrasonic drive circuit and described ultrasonic probe accessible site are arranged.
According to one embodiment of present invention, the distance that the food of cooking in the lower surface of described ultrasonic wave module upper cover according to following formulae discovery and described interior pot overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is that described ultrasonic probe launches hyperacoustic moment, and t1 is that described ultrasonic probe reclaims hyperacoustic moment.
According to one embodiment of present invention, described controller is also for judging that the food distance of overflowing between face of cooking in the lower surface of described upper cover in preset time period and described interior pot is less than or equal to the times N of described predeterminable range, and when described times N is more than or equal to preset times, described controller controls described electric cooking apparatus to be stopped heating or reduces power heating.
In addition, the embodiment of the present invention also proposed a kind of electric cooking apparatus, and it comprises the above-mentioned anti-overflow device for electric cooking apparatus.
The electric cooking apparatus of the embodiment of the present invention just can accurately detect when there is spilling, and by stopping heating or reduce power heating preventing spillover, thus can not overflow, the problem of clean maintenance would not be brought, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.
For achieving the above object, second aspect present invention embodiment proposes a kind of anti-spilled control method for electric cooking apparatus, wherein, described electric cooking apparatus comprises upper cover, cavity and is arranged on the interior pot in described cavity, and described anti-spilled control method comprises the following steps: detect the distance that the food of cooking in the lower surface of described upper cover and described interior pot overflows between face; And when the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover is less than or equal to predeterminable range, controls described electric cooking apparatus and stop heating or reduce power heating occurring spillover to prevent described electric cooking apparatus.
According to the anti-spilled control method for electric cooking apparatus of the embodiment of the present invention, when electric cooking apparatus cooking food, by detecting the distance that the food of cooking in pot in the lower surface of upper cover and electric cooking apparatus overflows between face, when the food distance of overflowing between face of then cooking in the lower surface and interior pot of upper cover is less than or equal to predeterminable range and when electric cooking apparatus will occur to overflow, control electric cooking apparatus stop heating or reduce power heating, thus can effectively prevent electric cooking apparatus from occurring spillover.Therefore, the anti-spilled control method for electric cooking apparatus of the embodiment of the present invention will be able to occur just can accurately detect when overflowing at electric cooking apparatus, and control electric cooking apparatus stopping heating or reduce power heating to occur spillover to prevent electric cooking apparatus, thus electric cooking apparatus can not be caused to overflow, would not bring the problem of clean maintenance, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.In addition, this anti-spilled control method step is simple, is easy to realize.
According to one embodiment of present invention, detect by arbitrary detection mode in ultrasound examination mode, laser detection mode or infrared detection mode the distance that the food of cooking in the lower surface of described upper cover and described interior pot overflows between face.
According to one embodiment of present invention, when the distance that the food of cooking in the lower surface being detected described upper cover by described ultrasound examination mode and described interior pot overflows between face, the distance that the food of cooking in the lower surface of upper cover and described interior pot according to following formulae discovery overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is hyperacoustic x time, and t1 is described hyperacoustic recovery moment.
According to one embodiment of present invention, when the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover is less than or equal to predeterminable range, also judge that the food distance of overflowing between face of cooking in the lower surface of described upper cover in preset time period and described interior pot is less than or equal to the times N of described predeterminable range, and when described times N is more than or equal to preset times, controls described electric cooking apparatus and stop heating or reduce power heating.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the anti-overflow device for electric cooking apparatus according to the embodiment of the present invention;
Fig. 2 is the structural representation of electric according to an embodiment of the invention cooking apparatus; And
Fig. 3 is the flow chart of the anti-spilled control method for electric cooking apparatus according to the embodiment of the present invention.
Reference numeral:
Distance detects module 10 and controller 20, upper cover 30, interior pot 40, steam vent 50, cavity 60.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Below before describing the anti-overflow device for electric cooking apparatus, the electric cooking apparatus with this anti-overflow device and the anti-spilled control method for electric cooking apparatus that the embodiment of the present invention proposes, simply introduce the method preventing thin rice gruel from overflowing when electric cooker is cooked in correlation technique first, such as following several method is respectively:
(1) obtain heating-up temperature according to the temperature sensor be close to bottom inner pan of electric cooker, by the Changing Pattern of time and temperature, then binding tests empirical value out predicts the spilling time, controls electric cooker in advance and stops heating or reduce power;
(2) rice cooker upper cover and the complementation of bottom temp sensor control heating.Generally, the precision of bottom sensor is relevant with interior pot degree of being close to, when have the grain of rice just sticky be situated between time, will maximum error be formed, substantially unavailable, also just cannot prevent spilling.Therefore a temperature sensor can be set at upper cover place again, be arrived the problem of prevention spilling by the temperature detecting steam, but the instability of air stream can cause data sampling to occur extremely.
The method preventing thin rice gruel from overflowing in correlation technique or be low precision, detects inaccurate, overflows when electric cooker also can be caused to cook; Be exactly that cost is expensive, and be just can detect after overflowing has appearred in electric cooker, cause clean maintenance trouble.Such as adopting method (1) if carry out detecting user when judging, not in accordance with rice under the deal of specifications, causing empirical value to be taken completely and unmatches, being easy to cause electric cooker to overflow when cooking.
The application proposes based on above problem just, just can accurately detect when when electric cooking apparatus such as cook by electric cooker, thin rice gruel will overflow, thus can not bring the problem of clean maintenance, and safe and reliable.
Below just with reference to accompanying drawing describe propose according to the embodiment of the present invention the anti-overflow device for electric cooking apparatus, there is the electric cooking apparatus of this anti-overflow device and the anti-spilled control method for electric cooking apparatus.
Fig. 1 is the block diagram of the anti-overflow device for electric cooking apparatus according to the embodiment of the present invention.As shown in Figure 1, this anti-overflow device being used for electric cooking apparatus comprises distance detection module 10 and controller 20.
As shown in Figure 2, distance detects module 10 and is arranged in the upper cover 30 of electric cooking apparatus, and distance detects the distance that module 10 overflows between face for detecting the food of cooking in pot 40 in the lower surface of upper cover 30 and electric cooking apparatus.Controller 20 detects module 10 be connected with distance, controls electric cooking apparatus and stop heating or reduce power heating and occur spillover to prevent electric cooking apparatus when controller 20 is less than or equal to predeterminable range for the food distance of overflowing between face of cooking in the lower surface and interior pot 40 of upper cover 30.Wherein, upper cover 30 is also provided with steam vent 50, interior pot 40 is arranged in the cavity 60 of electric cooking apparatus such as electric cooker.
According to one embodiment of present invention, distance detects module 10 can be any one in ultrasound examination module, laser detection module or infrared detection module.
Wherein, when distance detection module is ultrasound examination module, described ultrasound examination module comprises ultrasonic probe and ultrasonic drive circuit, described ultrasonic drive circuit is connected with described ultrasonic probe, there is the position of remaining space in the cavity 60 that ultrasonic drive circuit can be arranged on electric cooker, be wired to ultrasonic probe.In another embodiment of the present invention, ultrasonic drive circuit and ultrasonic probe accessible site are arranged, to form ultrasonic wave module together with namely ultrasonic drive circuit can being done with ultrasonic probe.
Be understandable that, in an embodiment of the present invention, ultrasonic probe can be arranged on centre position or other position of upper cover 30, as long as ultrasonic wave energy accurately detects the distance bottom cavity 60.
In an embodiment of the present invention, module such as ultrasound examination module is detected by arranging distance at the upper cover of electric cooking apparatus such as electric cooker, intensity of variation and the Foam Expansion degree of the water level in interior pot can be found at any time, thus effectively control the mode of heating of electric cooking apparatus, such as, when the food distance of overflowing between face of cooking in lower surface upper cover being detected and interior pot is less than or equal to predeterminable range and when electric cooking apparatus is about to occur to overflow, control electric cooking apparatus stop heating or reduce power heating, after the electric cooking apparatus of control reduces power heating or stopping heating, when detecting that again water level and foam drop to resonable degree, continue to control electric cooking apparatus again to carry out heating or increased wattage heating, thisly repeatedly to operate, finally complete the culinary art work of food such as rice, can effectively prevent electric cooking apparatus from occurring spillover.
It can thus be appreciated that, can only in the situation occurring just can detect when overflowing compared with traditional electrical rice cooker, the anti-overflow device for electric cooking apparatus of the embodiment of the present invention can be about to occur just can accurately detect when overflowing at electric cooking apparatus, therefore when electric cooking apparatus cooking food such as cook by electric cooker without the need to contacting thin rice gruel, rice cooker upper cover can keep clean always, all to clean without the need to cooking at every turn, bring great convenience to user.
Wherein, it should be noted that, the general principle utilizing ultrasound examination module to measure liquid level is, the ultrasonic pulse signal sent by ultrasonic probe is propagated in gas, reflected after running into the interface of air and liquid, calculate the propagation time that its ultrasonic wave comes and goes after receiving echo-signal, distance or liquid level can be conversed.The distance that the food that the anti-overflow device for electric cooking apparatus of the embodiment of the present invention adopts ultrasound examination module to detect to cook in the lower surface of upper cover and interior pot overflows between face, without any mechanical transmission component, also fluid to be measured need not be contacted, be not afraid of electromagnetic interference, be not afraid of the strongly corrosion liquids etc. such as soda acid, therefore stable performance, reliability is high, the life-span is long, and its response time shortly can realize without delayed real-time measurement easily, detect accurately and reliably, precision is high.
According to one embodiment of present invention, when the above-mentioned anti-overflow device for electric cooking apparatus adopts the range finding of ultrasound examination module, the ultrasonic frequency that ultrasound examination module sends can be about 40kHz.Wherein consider the impact of environment temperature on ultrasonic propagation velocity, the method by temperature-compensating is corrected spread speed, to improve certainty of measurement.Environmentally temperature to the computing formula that spread speed corrects is:
V＝331.5+0.607T’(1)
Wherein, V is the aerial spread speed of ultrasonic wave, and T ' is environment temperature.
Therefore, according to one embodiment of present invention, the distance that the food of cooking in the lower surface of described ultrasonic wave module upper cover according to following formulae discovery and described interior pot overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2(2)
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is that described ultrasonic probe launches hyperacoustic moment, and t1 is that described ultrasonic probe reclaims hyperacoustic moment.
Tested distance S can be obtained according to above formula (2), and because electric cooking apparatus itself needs temperature sensor to detect the temperature in interior pot, be therefore easy to realize correcting the spread speed of ultrasonic wave in interior pot by the mode of temperature-compensating.
Further, according to one embodiment of present invention, controller 20 is also for judging that the food distance S overflow between face cooked in the lower surface of the upper cover detected in such as 3 seconds in preset time period and interior pot is less than or equal to the times N of predeterminable range, and when times N is more than or equal to preset times, controller 20 controls electric cooking apparatus to be stopped heating or reduces power heating.That is, if the distance S that the food of cooking in repeated detection to the lower surface and interior pot of upper cover within a certain period of time overflows between face is less than or equal to predeterminable range, can judge that electric cooking apparatus is by overflowing, like this, greatly can improve accuracy of detection, avoid occurring erroneous judgement.
According to the anti-overflow device for electric cooking apparatus of the embodiment of the present invention, when electric cooking apparatus cooking food, detect module by distance and detect the distance that the food of cooking in pot in the lower surface of upper cover and electric cooking apparatus overflows between face, then when the food distance of overflowing between face that controller is cooked in the lower surface judging upper cover and interior pot is less than or equal to predeterminable range and when electric cooking apparatus will occur to overflow, control electric cooking apparatus stop heating or reduce power heating, thus can effectively prevent electric cooking apparatus from occurring spillover.Therefore, the anti-overflow device for electric cooking apparatus of the embodiment of the present invention will be able to occur just can accurately detect when overflowing at electric cooking apparatus, and control electric cooking apparatus stopping heating or reduce power heating to occur spillover to prevent electric cooking apparatus, thus electric cooking apparatus can not be caused to overflow, would not bring the problem of clean maintenance, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.
In addition, embodiments of the invention also proposed a kind of electric cooking apparatus, and it comprises the above-mentioned anti-overflow device for electric cooking apparatus.
The electric cooking apparatus of the embodiment of the present invention just can accurately detect when there is spilling, and by stopping heating or reduce power heating preventing spillover, thus can not overflow, the problem of clean maintenance would not be brought, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.
Wherein, electric cooking pot utensil can be electric cooker, and can be electric cooker such as the hot plate type electric cooker or coil disc type electric cooker of different heating mode.
When electric cooking apparatus is bread producing machine, module range finding is detected by distance, user can add deal by oneself demand, monitor bread fermentation height at times, the heat time is controlled at the fermentation pin-point accuracy of the best, produce neither too hard, nor too soft bread, solve traditional bread producing machine can only by arrange large, medium and small deal, program according to arrange deal use intrinsic timing, timing after carry out heating the problem to make troubles to user.
Fig. 3 is the flow chart of the anti-spilled control method for electric cooking apparatus according to the embodiment of the present invention.Wherein, electric cooking apparatus comprises upper cover, cavity and is arranged on the interior pot in cavity.As shown in Figure 3, this anti-spilled control method being used for electric cooking apparatus comprises the following steps:
S1, the distance that the lower surface of detection upper cover and the interior food of cooking of interior pot overflow between face.
Wherein, according to one embodiment of present invention, detect by arbitrary detection mode in ultrasound examination mode, laser detection mode or infrared detection mode the distance that the food of cooking in the lower surface of described upper cover and described interior pot overflows between face.
And, when the distance that the food of cooking in the lower surface being detected described upper cover by described ultrasound examination mode and described interior pot overflows between face, the distance that the food of cooking in the lower surface of upper cover and described interior pot according to following formulae discovery overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is hyperacoustic x time, and t1 is described hyperacoustic recovery moment.
S2, when the food distance of overflowing between face of cooking in the lower surface and interior pot of upper cover is less than or equal to predeterminable range, controls electric cooking apparatus and stops heating or reduce power heating occurring spillover to prevent electric cooking apparatus.
According to one embodiment of present invention, when the food distance of overflowing between face of cooking in the lower surface and described interior pot of upper cover is less than or equal to predeterminable range, also judge that the food distance of overflowing between face of cooking in the lower surface of described upper cover in preset time period and described interior pot is less than or equal to the times N of described predeterminable range, and when described times N is more than or equal to preset times, controls described electric cooking apparatus and stop heating or reduce power heating.That is, if the distance S that the food of cooking in repeated detection to the lower surface and interior pot of upper cover within a certain period of time overflows between face is less than or equal to predeterminable range, can judge that electric cooking apparatus is by overflowing, like this, greatly can improve accuracy of detection, avoid occurring erroneous judgement.
According to the anti-spilled control method for electric cooking apparatus of the embodiment of the present invention, when electric cooking apparatus cooking food, by detecting the distance that the food of cooking in pot in the lower surface of upper cover and electric cooking apparatus overflows between face, when the food distance of overflowing between face of then cooking in the lower surface and interior pot of upper cover is less than or equal to predeterminable range and when electric cooking apparatus will occur to overflow, control electric cooking apparatus stop heating or reduce power heating, thus can effectively prevent electric cooking apparatus from occurring spillover.Therefore, the anti-spilled control method for electric cooking apparatus of the embodiment of the present invention will be able to occur just can accurately detect when overflowing at electric cooking apparatus, and control electric cooking apparatus stopping heating or reduce power heating to occur spillover to prevent electric cooking apparatus, thus electric cooking apparatus can not be caused to overflow, would not bring the problem of clean maintenance, and accuracy of detection is high, there will not be erroneous judgement, safe and reliable, bring convenience to the use of user.In addition, this anti-spilled control method step is simple, is easy to realize.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (11)
1. for an anti-overflow device for electric cooking apparatus, it is characterized in that, comprising:
Distance detects module, and described distance detects module and is arranged in the upper cover of described electric cooking apparatus, and described distance detects the distance that module overflows between face for the food of cooking in the interior pot of the lower surface and described electric cooking apparatus that detect described upper cover; And
Controller, described controller detects module be connected with described distance, controls described electric cooking apparatus and stop heating or reduce power heating and occur spillover to prevent described electric cooking apparatus when described controller is less than or equal to predeterminable range for the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover.
2. as claimed in claim 1 for the anti-overflow device of electric cooking apparatus, it is characterized in that, it is any one in ultrasound examination module, laser detection module or infrared detection module that described distance detects module.
3. as claimed in claim 2 for the anti-overflow device of electric cooking apparatus, it is characterized in that, when described distance detection module is described ultrasound examination module, described ultrasound examination module comprises ultrasonic probe and ultrasonic drive circuit, and described ultrasonic drive circuit is connected with described ultrasonic probe.
4., as claimed in claim 3 for the anti-overflow device of electric cooking apparatus, it is characterized in that, described ultrasonic drive circuit and the integrated setting of described ultrasonic probe.
5. as claimed in claim 3 for the anti-overflow device of electric cooking apparatus, it is characterized in that, the distance that the food of cooking in the lower surface of described ultrasonic wave module upper cover according to following formulae discovery and described interior pot overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is that described ultrasonic probe launches hyperacoustic moment, and t1 is that described ultrasonic probe reclaims hyperacoustic moment.
6. as claimed in claim 1 for the anti-overflow device of electric cooking apparatus, it is characterized in that, described controller is also for judging that the food distance of overflowing between face of cooking in the lower surface of described upper cover in preset time period and described interior pot is less than or equal to the times N of described predeterminable range, and when described times N is more than or equal to preset times, described controller controls described electric cooking apparatus to be stopped heating or reduces power heating.
7. an electric cooking apparatus, is characterized in that, comprises the anti-overflow device for electric cooking apparatus according to any one of claim 1-6.
8. for an anti-spilled control method for electric cooking apparatus, it is characterized in that, described electric cooking apparatus comprises upper cover, cavity and is arranged on the interior pot in described cavity, and described anti-spilled control method comprises the following steps:
Detect the distance that the food of cooking in the lower surface of described upper cover and described interior pot overflows between face; And
When the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover is less than or equal to predeterminable range, controls described electric cooking apparatus and stop heating or reduce power heating occurring spillover to prevent described electric cooking apparatus.
9. as claimed in claim 8 for the anti-spilled control method of electric cooking apparatus, it is characterized in that, detect by arbitrary detection mode in ultrasound examination mode, laser detection mode or infrared detection mode the distance that the food of cooking in the lower surface of described upper cover and described interior pot overflows between face.
10. as claimed in claim 9 for the anti-spilled control method of electric cooking apparatus, it is characterized in that, when the distance that the food of cooking in the lower surface being detected described upper cover by described ultrasound examination mode and described interior pot overflows between face, the distance that the food of cooking in the lower surface of upper cover and described interior pot according to following formulae discovery overflows between face:
S＝(331.5+0.607T)*(t1-t0)/2
Wherein, the lower surface that S is described upper cover and the distance that the interior food of cooking of described interior pot overflows between face, T is the temperature in described interior pot, and t0 is hyperacoustic x time, and t1 is described hyperacoustic recovery moment.
11. as claimed in claim 8 for the anti-spilled control method of electric cooking apparatus, it is characterized in that, when the food distance of overflowing between face of cooking in the lower surface and described interior pot of described upper cover is less than or equal to predeterminable range, also judge that the food distance of overflowing between face of cooking in the lower surface of described upper cover in preset time period and described interior pot is less than or equal to the times N of described predeterminable range, and when described times N is more than or equal to preset times, controls described electric cooking apparatus and stop heating or reduce power heating.
Priority Applications (1)
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| CN106133627A (en) * | 2016-06-28 | 2016-11-16 | 北京小米移动软件有限公司 | cooking device operation method and device |
| CN107232992A (en) * | 2017-08-12 | 2017-10-10 | 合肥全飞信息科技有限公司 | A kind of Safety pan lid |
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| CN107410413B (en) * | 2017-07-11 | 2019-12-31 | 九阳股份有限公司 | Intelligent electric steam box and control method thereof |
| CN107232992A (en) * | 2017-08-12 | 2017-10-10 | 合肥全飞信息科技有限公司 | A kind of Safety pan lid |
| CN107242796A (en) * | 2017-08-12 | 2017-10-13 | 合肥全飞信息科技有限公司 | A kind of Safety pan lid based on mobile phone A PP |
| CN109953644A (en) * | 2017-12-25 | 2019-07-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, cooking methods, cooker and computer readable storage medium |
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