CN108309037A - Electric cooking pot and its anti-spilled detecting system and failure reminding method - Google Patents

Electric cooking pot and its anti-spilled detecting system and failure reminding method Download PDF

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Publication number
CN108309037A
CN108309037A CN201710035415.6A CN201710035415A CN108309037A CN 108309037 A CN108309037 A CN 108309037A CN 201710035415 A CN201710035415 A CN 201710035415A CN 108309037 A CN108309037 A CN 108309037A
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CN
China
Prior art keywords
cooking pot
foam
electric cooking
detecting
timer
Prior art date
Application number
CN201710035415.6A
Other languages
Chinese (zh)
Inventor
雷俊
刘文华
王云峰
曾露添
张帆
江德勇
黄庶锋
瞿月红
Original Assignee
佛山市顺德区美的电热电器制造有限公司
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Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Priority to CN201710035415.6A priority Critical patent/CN108309037A/en
Publication of CN108309037A publication Critical patent/CN108309037A/en

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/56Preventing boiling over, e.g. of milk
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/32Time-controlled igniting mechanisms or alarm devices ; Electronic control devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J2201/00Devices having a modular construction

Abstract

The invention discloses a kind of electric cooking pot and its anti-spilled detecting systems and failure reminding method, wherein failure reminding method includes:The steam bubble generated when electric cooking pot culinary art, which is detected, by foam detecting device and generates foam when foam detecting device detects steam bubble detects signal;Electric cooking pot is controlled when receiving foam detection signal to stop heating and start timing by the first timer, and is controlled the stopping timing of the first timer when foam detecting device can't detect steam bubble and judged whether the timing time of the first timer is more than the first preset time;Judge that foam detecting device fails when the timing time of the first timer is more than the first preset time, and control the small-power culinary art pattern that electric cooking pot enters non-spill detection, and the electric cooking pot of control sends out overflow checking failure prompt message.It fails and prompts thereby, it is possible to effectively determining foam detecting device, ensure that electric cooking pot continues to cook, moreover it is possible to effectively prevent overflowing.

Description

Electric cooking pot and its anti-spilled detecting system and failure reminding method
Technical field
The present invention relates to cooking appliance technical field, more particularly to a kind of electric cooking pot and its anti-spilled detecting system and mistake Imitate reminding method.
Background technology
In general, during for example electric cooker is cooked using electric cooking pot, a large amount of foam is will produce, when foam is excessive It will spill into other than electric cooker, not only influence culinary art effect, also bring the trouble of cleaning.
In the related technology, the electric cooking pot having detects electric cooking pot in boiling stage by assembling anti-spilled detection device Whether overflow, and when detecting that electric cooking pot will overflow, takes corresponding measure to ensure that electric cooking pot is boiling Rising the stage does not overflow.But when anti-spilled detection device fails, it is not only possible to can cause to overflow risk, can also cause The problems such as culinary art can not continue, influences the use of user.
Invention content
The purpose of the present invention is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.
For this purpose, an object of the present invention is to provide a kind of failure prompt sides of the anti-spilled detecting system of electric cooking pot Method can effectively determine that foam detecting device fails and prompts, and control electric cooking pot when foam detecting device fails and enter The small-power of non-spill detection cooks pattern to ensure that electric cooking pot can continue to cook, and can also prevent from overflowing.
It is another object of the present invention to propose a kind of anti-spilled detecting system of electric cooking pot.
A further object of the present invention is to propose a kind of electric cooking pot.
In order to achieve the above objectives, a kind of anti-spilled detecting system for electric cooking pot that one aspect of the present invention embodiment proposes Fail reminding method, includes the following steps:After the electric cooking pot enters boiling stage, institute is detected by foam detecting device The steam bubble generated when electric cooking pot culinary art is stated, and generates bubble when the foam detecting device detects the steam bubble Foam detects signal;When receiving the foam detection signal, controls the electric cooking pot and stop heating, and pass through the first timing Device starts timing, and controls first timer when the foam detecting device can't detect the steam bubble and stop Timing;Judge whether the timing time of first timer is more than the first preset time;If the meter of first timer When the time be more than first preset time, then judge foam detecting device failure, and control the electric cooking pot and enter The small-power of non-spill detection cooks pattern.
According to one embodiment of present invention, the main control module is also controlled when judging the foam detecting device failure The electricity cooking pot sends out overflow checking failure prompt message.
The failure reminding method of the anti-spilled detecting system of the electric cooking pot proposed according to embodiments of the present invention is cooked in electricity Device enters after boiling stage detects the steam bubble generated when electric cooking pot culinary art by foam detecting device, and is detected in foam Device generates foam detection signal when detecting steam bubble, electric cooking pot is then controlled when receiving foam and detecting signal and is stopped It only heats and timing, and the first meter of control when foam detecting device can't detect steam bubble is started by the first timer When device stop timing, finally the timing time of the first timer be more than the first preset time when determine foam detecting device lose Effect, the small-power that non-spill detection is entered to control electric cooking pot cook pattern, and also control electric cooking pot and send out spilling Detection failure prompt message.It follows that when foam detecting device detects steam bubble, stopped by controlling electric cooking pot Heating is so that the soup in electric cooking pot is fallen after rise, and the time that steam bubble is consecutively detected to foam detecting device carries out Timing, if being consecutively detected the time of steam bubble more than the first preset time, it is determined that foam detecting device fails and carries Show, and the electric cooking pot of control enters the small-power culinary art pattern of non-spill detection, to not interfere with cooking process, Neng Goushun Profit completes current culinary art and for example cooks, and does not interfere with the use of user, and since heating power is smaller, it is possibility to have effect avoids Electric cooking pot is overflowed in boiling stage.
According to one embodiment of present invention, when the small-power that the electric cooking pot enters non-spill detection cooks pattern Afterwards, the cooking time of the electric cooking pot is also calculated, and the electric cooking pot is judged according to the cooking time of the electric cooking pot Whether need delay cook, wherein if it is determined that it is described electricity cooking pot need be delayed culinary art, then by with external user terminal into Row communication by the cooking information that needs to be delayed of the electric cooking pot to be sent to the external user terminal.
In some embodiments of the invention, when judging that the electric cooking pot is cooked without being delayed, described in control The display device of electric cooking pot is to show that the foam detecting device is in failure state.
In some embodiments of the invention, it is preset when the timing time of first timer is less than or equal to described first When the time, judge that the foam detecting device is effective, and when the stopping heating time of the electric cooking pot reaching setting time The electric cooking pot is controlled to continue to heat.
In order to achieve the above objectives, the anti-spilled detecting system for the electric cooking pot that another aspect of the present invention embodiment proposes, packet Foam detecting device is included, the foam detecting device is arranged in the upper cover of the electric cooking pot, and the foam detecting device is used The steam bubble generated when detecting the electric cooking pot and cooking;Detection module, the detection module are filled with foam detection Set it is connected, the detection module be used for when the foam detecting device detects the steam bubble generate foam detection letter Number;First timer, first timer when the foam detecting device detects the steam bubble based on carrying out When;Main control module, the main control module are connected with the detection module and first timer respectively, and the main control module is used Stop heating in controlling the electric cooking pot when receiving the foam and detecting signal, and controls first timer and start Timing, and control first timer when the foam detecting device can't detect the steam bubble and stop timing, And judge whether the timing time of first timer is more than the first preset time, wherein if first timer Timing time is more than first preset time, and the main control module then judges the foam detecting device failure, and controls institute State the small-power culinary art pattern that electric cooking pot enters non-spill detection.
According to one embodiment of present invention, when judging the foam detecting device failure, the electricity culinary art is also controlled Device sends out overflow checking failure prompt message.
The anti-spilled detecting system of the electric cooking pot proposed according to embodiments of the present invention enters boiling stage in electric cooking pot The steam bubble generated when electric cooking pot culinary art is detected by foam detecting device afterwards, detection module is detected in foam detecting device Signal is detected to foam is generated when steam bubble, then main control module controls electric cooking pot when receiving foam and detecting signal and stops It only heats, and controls the first timer and start timing, and control first when foam detecting device can't detect steam bubble Timer stops timing, the finally main control module judgement foam inspection when the timing time of the first timer is more than the first preset time Failure of apparatus is surveyed, the small-power that non-spill detection is entered to control electric cooking pot cooks pattern, and also controls electric cooking pot Send out overflow checking failure prompt message.It follows that when foam detecting device detects steam bubble, main control module passes through The electric cooking pot of control stops heating so that the soup in electric cooking pot is fallen after rise, and is detected and filled to foam by the first timer The time progress timing for being consecutively detected steam bubble is set, if the time for being consecutively detected steam bubble is default more than first Between, it is determined that foam detecting device fails and prompts, and the electric cooking pot of control enters the small-power culinary art mould of non-spill detection Formula can smoothly complete current culinary art and for example cook, not interfere with the use of user to not interfere with cooking process, and Since heating power is smaller, it is possibility to have effect avoids electric cooking pot from being overflowed in boiling stage.
According to one embodiment of present invention, when the small-power that the electric cooking pot enters non-spill detection cooks pattern Afterwards, the main control module also calculates the cooking time of the electric cooking pot, and is judged according to the cooking time of the electric cooking pot Whether the electricity cooking pot needs delay to cook, wherein if it is determined that the electricity cooking pot needs the culinary art that is delayed, the master control mould Block is then described outer the cooking information that needs to be delayed of the electric cooking pot to be sent to by being communicated with external user terminal Portion's user terminal.
In some embodiments of the invention, when judging that the electric cooking pot is cooked without being delayed, the main control module By controlling the display device of the electric cooking pot to show that the foam detecting device is in failure state.
In some embodiments of the invention, it is preset when the timing time of first timer is less than or equal to described first When the time, foam detecting device is effective described in the master control module judges, and is reached in the stopping heating time of the electric cooking pot The electric cooking pot is controlled when to setting time to continue to heat.
According to one embodiment of present invention, the foam detecting device corresponds to the steam channel setting of the upper cover.
In addition, the embodiment of the present invention also proposed a kind of electric cooking pot comprising the anti-spilled inspection of above-mentioned electric cooking pot Examining system.
Electricity cooking pot according to the ... of the embodiment of the present invention can accurately detect foam by above-mentioned anti-spilled detecting system Detection device fails and is prompted, and the electric cooking pot of control enters the small-power culinary art pattern of non-spill detection, to not Cooking process can be influenced, current culinary art can be smoothly completed and for example cooked, do not interfere with the use of user, and due to heating work( Rate is smaller, it is possibility to have effect avoids overflowing in boiling stage.
Description of the drawings
Fig. 1 is the flow of the failure reminding method of the anti-spilled detecting system of electric cooking pot according to the ... of the embodiment of the present invention Figure;
Fig. 2 is the heating cooking curve synoptic diagram of electric cooking pot according to an embodiment of the invention;
Fig. 3 a are the structural schematic diagrams of electric cooking pot accord to a specific embodiment of that present invention;
Fig. 3 b are the overflow checking schematic diagrams of electric cooking pot accord to a specific embodiment of that present invention;
Fig. 4 is the structural schematic diagram according to the electric cooking pot of another specific embodiment of the invention;
Fig. 5 a are the circuit diagrams of foam inductive component accord to a specific embodiment of that present invention;
Fig. 5 b are the circuit diagrams according to the foam inductive component of another specific embodiment of the invention;
Fig. 6 is the structural schematic diagram of foam inductive component according to an embodiment of the invention;
Fig. 7 a are the structural representations of the foam inductive component for electric cooking pot accord to a specific embodiment of that present invention Figure;
Fig. 7 b are shown according to the structure of the foam inductive component for electric cooking pot of another specific embodiment of the invention It is intended to;
Fig. 8 is the stream of the failure reminding method of the anti-spilled detecting system of electric cooking pot according to an embodiment of the invention Cheng Tu;And
Fig. 9 is the block diagram of the anti-spilled detecting system of electric cooking pot according to the ... of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings electric cooking pot and its anti-spilled detecting system and the failure of proposition of the embodiment of the present invention described Reminding method.
In an embodiment of the present invention, electric cooking pot can be the culinary products such as electric cooker, electric pressure cooking saucepan.
Fig. 1 is the flow according to the failure reminding method of the anti-spilled detecting system of the electric cooking pot of the embodiment of the present invention Figure.Wherein, which includes foam detecting device.
As shown in Figure 1, the failure reminding method of the anti-spilled detecting system of the electricity cooking pot includes the following steps:
S1 is generated after electric cooking pot enters boiling stage when being cooked by the electric cooking pot of foam detecting device detection Steam bubble, and generate foam when foam detecting device detects steam bubble and detect signal.
Wherein, as shown in Fig. 2, electric cooking pot such as electric cooker generally comprises water suction stage, heating rank in cooked rice Section and is cooked rice over a slow fire the stage at boiling stage, and the spillover of electric cooking pot is usually all to be happened at boiling stage.It needs to illustrate It is that the boiling stage in the embodiment of the present invention can be interpreted broadly, such as can is after electric cooking pot starts culinary art, by electricity Temperature in cooking pot is detected, and is detecting that the temperature in electric cooking pot reaches such as 85 degree Celsius -95 of certain temperature and take the photograph When family name spends, it is believed that electric cooking pot enters boiling stage.
Therefore, after boiling stage, the steam bubble generated when electric cooking pot culinary art can be detected by foam detecting device Foam, and generate foam when detecting steam bubble and detect signal.
S2 controls electric cooking pot and stops heating, and start to count by the first timer when receiving foam detection signal When, and control the first timer when foam detecting device can't detect steam bubble and stop timing.
Specifically, main control module is set in the anti-spilled detecting system of electric cooking pot, main control module can be used to receive foam Detect signal.It is received in main control module and controls electric cooking pot stopping heating when foam detects signal, that is, receive foam detection It indicates that electric cooking pot will overflow when signal, needs to control electric cooking pot stopping heating to prevent from overflowing.
Also, it controls the first timer when main control module receives foam detection signal and starts timing, and in foam Detection device controls the first timer and stops timing when can't detect steam bubble, to be realized to continuous by the first timer Detect that the time of steam bubble carries out timing.
S3, judges whether the timing time of the first timer is more than the first preset time.
S4 judges that foam detecting device fails if the timing time of the first timer is more than the first preset time, and The electric cooking pot of control enters the small-power culinary art pattern of non-spill detection.Wherein, the first preset time can be calibrated, such as can More than or equal to 20 seconds.
It should be noted that in electric the cooking pot such as cooking process of electric rice cooker cooking rice, due to the heat in pot Constantly accumulation detects the steam bubble that electric cooker generates and controls after electric cooker stops heating, due to thermal inertia, the rice in pot Soup will not be fallen after rise immediately, and steam bubble can continue for some time.
Specifically, the first preset time is set first, you can be the longest of steam bubble after electric cooking pot stopping is heated Duration.It is understood that when the duration of steam bubble being more than the first preset time, foam detecting device is indicated It is no longer valid, when the duration of steam bubble being less than or equal to the first preset time, indicate that foam detecting device is effective.
Further, in the case where foam detecting device is no longer valid, electric cooking pot can be controlled and enter non-spill inspection The small-power of survey cooks pattern, to ensure that electric cooking pot can continue to cook.
It is understood that small-power culinary art pattern is to control a kind of work of electric cooking pot heating by using small-power Pattern.Such as by power adjustment be normal heating power half.Here small-power be power when normally cooking relatively and Speech.
Further, it when judging foam detecting device failure, also controls electric cooking pot and sends out overflow checking failure prompt Information.In other words, it in the case where foam detecting device is no longer valid, controls electric cooking pot and sends out overflow checking failure prompt letter Breath.Wherein, there are many kinds of the modes for sending out overflow checking failure prompt message, can carry out selection according to the actual application and set It sets.It is illustrated below:
The first example starts the light of electric cooking pot and starts the buzzing prompt tone of electric cooking pot to be prompted.
Second of example, voice output overflow checking failure prompt message.
Alternatively, can also be by being communicated with external user terminal such as mobile phone, to send out electricity by external user terminal The overflow checking fail message of cooking pot.
The failure reminding method of the anti-spilled detecting system of the electric cooking pot of the embodiment of the present invention can be detected in foam and be filled It sets when detecting steam bubble, stops heating by controlling electric cooking pot so that the soup in electric cooking pot is fallen after rise, and right The time that foam detecting device is consecutively detected steam bubble carries out timing, if the time for being consecutively detected steam bubble is more than First preset time, it is determined that foam detecting device fails and prompts, and the electric cooking pot of control enters the small of non-spill detection Power cooks pattern, to not interfere with cooking process, can smoothly complete current culinary art and for example cook, not interfere with user's It uses, and since heating power is smaller, it is possibility to have effect avoids electric cooking pot from being overflowed in boiling stage.
In an embodiment of the present invention, when the timing time of the first timer is less than or equal to the first preset time, judge Foam detecting device is effective, and controls electric cooking pot when the stopping heating time of electric cooking pot reaching setting time and continue to add Heat.
It is understood that judge to be heated according to the normal procedure of electric cooking pot when foam detecting device is effective, if Foam detecting device detects steam bubble, after the electric cooking pot of control stops heating a period of time so that the thin rice gruel in pot returns It falls, former power can be restored again and heated, so as to effectively prevent overflowing.
In one embodiment of the invention, it after electric cooking pot enters boiling stage, can be cooked in electricity by setting Foam detecting device in the upper cover of device is to detect the steam bubble generated when electric cooking pot is cooked, so as to judge electric culinary art Whether device will overflow.
Specifically, in conjunction with shown in Fig. 3 a to Fig. 7 b, foam detecting device 10 is arranged in the upper cover of electric cooking pot, foam inspection It includes at least one foam inductive component 101 to survey device 10, wherein senses electric cooking pot in each foam inductive component 101 When the steam bubble of generation, the capacitance of foam detecting device 10 changes;Detection module includes capacitance detecting chips 20, electricity Hold detection chip 20 with foam detecting device 10 to be connected, the capacitance that capacitance detecting chips 20 pass through detection foam detecting device 10 Situation of change detects signal to generate foam, and capacitance detecting chips 20 are connected with main control module 40, main control module 40 and heating work( Rate control module 30 is connected, and heating power control module 30 is used to control the heating power of electric cooking pot, 40 basis of main control module When foam detection signal judges that the capacitance of foam detecting device 10 changes, it is existing to judge that electric cooking pot will occur to overflow As timing can be carried out to the capacitance changed duration by the first timer.
Specifically, during the rice water of the internal pot of electric cooking pot is heated, capacitance detecting chips 20 can be real-time The capacitance variation amount for detecting foam detecting device 10, when electric cooking pot is in water suction stage and heating period, electric cooking pot The temperature of rice aqueous mixtures in interior pot is relatively low, does not generally generate steam bubble or only generates a small amount of steam bubble, foam The capacitance of detection device 10 does not change;After the meter Shui of pot is heated to boiling inside, the steam bubble for generation of boiling will The foam inductive component 101 being arranged in different location can be touched, each foam inductive component 101 is when touching steam bubble Its capacitance can change, and then the capacitance of foam detecting device 10 changes.Further, capacitance detecting chips The capacitance variation amount of 20 detection foam detecting devices, if the capacitance variation amount of foam detecting device 10 is less than or equal to preset Threshold value, then main control module 40 judges that the capacitance of foam detecting device 10 does not change, and controls electric cooking pot and keep current Heated condition;If the capacitance variation amount of foam detecting device 10 is more than predetermined threshold value, the electricity of foam detecting device is judged Capacitance changes, and detects that spillover will occur for electric cooking pot.
According to one embodiment of present invention, as illustrated in figures 3 a and 4, each foam inductive component 101 is arranged at The lower surface covered in or on steam channel 3 on lid 4.As shown in Figure 3a, foam inductive component 101 can be one, foam induction Component 101 is arranged in the steam channel 3 of electric cooking pot, in steam channel 3 in the circulating direction of steam such as Fig. 3 a shown in arrow Direction.
Specifically, when rice water ebuillition of heated in pot in electric cooking pot, the steam that is generated in the interior pot of electric cooking pot According to circulating direction contact foam inductive component 101 shown in Fig. 3 a, capacitance detecting chips 20 are detected foam by detecting foam The capacitance variation amount of device 10 detects signal to generate foam.In turn, main control module 40 detects signal according to foam and judges to steep Whether the capacitance of foam detection device 10 changes, when the capacitance variation amount of foam detecting device 10 is more than predetermined threshold value When, main control module 40 judges that the capacitance of foam detecting device 10 changes, to judge that electric cooking pot will overflow Occur as.
A specific embodiment according to the present invention, as shown in Figure 3b, the electricity of capacitance detecting chips 20 and main control module 40 Source is connected with default power vd D, presets power vd D and is used to power for capacitance detecting chips 20 and main control module 40, capacitance inspection It surveys between chip 20 and foam detecting device 10 and is also associated with first resistor R1.Wherein, first resistor R1 is used to incude foam The capacitance variation amount signal of component 101 is filtered, jamproof so as to play the role of.
The resistance value of a specific example according to the present invention, first resistor R1 can be 10 Ω to 10k Ω.
According to one embodiment of present invention, when foam inductive component 101 is multiple, each foam inductive component 101 Installation position and horizontal plane between height gradually get higher successively.In other words, each foam inductive component 101 is mixed with rice water Distance is gradually got higher successively between the liquid level of object.And the setting height of foam inductive component 101 is higher, foam inductive component 101 also can be closer to the steam (vapor) outlet A in steam channel.
It specifically, can be by the lug boss in the setting different height of steam channel 3, to make foam inductive component 101 set It sets in different height.
For example, as shown in figure 4, two foam inductive components 101 can be arranged in the steam channel 3 of electric cooking pot, That is the first foam inductive component 101A and the second foam inductive component 101B, wherein the second foam inductive component 101B settings exist The rear end of steam channel 3, and the upper surface inside steam channel 3, the first foam sense is arranged in the second foam inductive component 101B Component 101A is answered to be arranged in the front end of steam channel 3, and the lug boss 301 in upper surface is arranged in the first foam inductive component 101A On, the setting height of the second foam inductive component 101B is higher than the setting height of the first foam inductive component 101A as a result,.
It should be understood that the circulating direction of steam direction as shown by the arrows in Figure 4 in steam channel 3, from arrow Change direction, which can be seen that, can enter steam channel after steam bubble generates, and gradually be leaned on to the steam (vapor) outlet A of steam channel 3 Closely, it and gradually hoists close, therefore steam bubble first contacts the first foam inductive component 101A, then contacts the induction of the second foam Component 101B.
Specifically, as shown in figure 4, in electric cooking pot in the heating process of the meter Shui of pot, steam bubble can rise to bubble The location of foam detection device 10, when steam bubble touches the first foam inductive component 101A, the first foam sense group The capacitance of part 101A changes, and capacitance detecting chips 20 detect that the capacitance variation amount of foam detecting device 10 is Δ C1, Δ C1 are less than or equal to predetermined threshold value, and capacitance detecting chips 20 produce the first foam and detect signal, wherein the first foam is examined Survey signal is chip readable signal such as digital signal, at this point, main control module 40 judges the capacitance of foam detecting device 10 not It changes, current heating power is kept not to which main control module 40 controls heating module 5 by heating power control module 30 Become;Continue to heat, when steam bubble touches the second foam inductive component 101B, the first foam inductive component 101A and The capacitance of second foam inductive component 101B changes, and capacitance detecting chips 20 detect the electricity of foam detecting device 10 Capacitance variable quantity is Δ C2, and Δ C2 is more than predetermined threshold value, and capacitance detecting chips 20 produce the second foam and detect signal, wherein It is chip readable signal such as digital signal that second foam, which detects signal, and main control module 40 judges foam detecting device 10 at this time Capacitance changes, to detect that spillover will occur for electric cooking pot.
It should be noted that capacitance detecting chips 20 detect that the capacitance variation amount of foam detecting device 10 can be multiple The sum of the capacitance variation amount of foam inductive component 101.
According to one embodiment of present invention, after multiple foam inductive components 101 are connected together again with capacitance detecting core Piece 20 is connected.
A specific embodiment according to the present invention, as shown in Figure 5 a, after multiple foam inductive components 101 are connected together It is connected again with capacitance detecting chips 20 by first resistor R1.Wherein, first resistor R1 is used for the electricity to foam inductive component 101 Capacitance variable quantity signal is filtered, jamproof so as to play the role of.
The resistance value of a specific example according to the present invention, first resistor R1 can be 10 Ω to 10k Ω.
According to one embodiment of present invention, each foam inductive component 101 is connected with capacitance detecting chips 20 respectively.
A specific embodiment according to the present invention, as shown in Figure 5 b, each foam inductive component 101 passes through second respectively Resistance R2 is connected with capacitance detecting chips 20.Wherein, second resistance R2 is used for the capacitance variation amount to foam inductive component 101 Signal is filtered, jamproof so as to play the role of.
The resistance value of a specific example according to the present invention, second resistance R2 can be 10 Ω to 10k Ω.
A specific embodiment according to the present invention, as shown in fig. 6, each foam inductive component 101 includes foam contacting Portion 11 and induction part 12, wherein foam contacting portion 11 is insulator 100, and induction part 12 is electric conductor 200, and insulator 100 will steam Steam foam is isolated with electric conductor 200.
Specifically, as shown in fig. 6, insulator 100 defines the open accommodating chamber 120 in upper surface, and electric conductor 200 Define upper surface, lower surface and side, wherein electric conductor 200 is located in accommodating chamber 120, insulator 100 while coated with conductive The lower surface and side of body 200, and the upper surface of electric conductor 200 from insulator 100 expose, in order to capacitance detecting chips 20 It is connected.In this way, by the combination of insulator 100 and electric conductor 200, condenser type foam inductive component 101 can be formed.
It is each in foam detecting device 10 when the foam contacting portion 11 of foam inductive component 101 is not in contact with to steam bubble Foam inductive component 101 only has the parasitic capacitance of itself;In electric cooking pot when rice water ebuillition of heated in pot, the steam of generation Capacitance is constituted between foam and the foam contacting portion 11 and induction part 12 of foam inductive component 101, according to the decision formula of capacitance:(wherein, ε is dielectric constant, and S is face surface area, distances of the d between pole plate) is it is found that in electric cooking pot in pot Rice water ebuillition of heated it is more violent, the steam bubble of generation is more, and the area that foam contacting portion 11 is covered by steam bubble is bigger, Face surface area S between pole plate is bigger, then the capacitance variation amount of foam detecting device 10 is bigger.
Steam bubble is isolated with electric conductor 200 by insulator 100 for foam detecting device as a result, insulator 100 With steam bubble mediate contact, and the capacitance variation by detecting foam inductive component 101 detects steam bubble, to, Realize the connectorless detection of foam.
A specific embodiment according to the present invention, insulator 100 are close to be arranged with electric conductor 200.Wherein, insulator 100 thickness can be 1-10mm.
Specifically, it is according to the decision formula of capacitance:It is found that the thickness of insulator 100 is bigger, pole plate spacing Bigger from d, identical in steam bubble spill-out, the variable quantity of capacitance is smaller.In this way, can select as the case may be Select the thickness of insulator 100.
The foam sense group for electric cooking pot accord to a specific embodiment of that present invention is described with reference to Fig. 7 a Part 101.
As shown in Figure 7a, the foam inductive component 101 according to the ... of the embodiment of the present invention for electric cooking pot includes insulator 100 and electric conductor 200.
Specifically, electric conductor 200 is horizontally disposed, i.e. the thickness direction of electric conductor 200 orients along the vertical direction, thus leads Downward, the lower surface (i.e. detection faces 110) of insulator 100 is horizontal downward, increases effective detection for the lower surface level of electric body 200 Area, to improve the sensitivity of overflow checking.
Optionally, the size of detection faces 110 can be depending on the size requirements to detecting signal in practical application. For example, the area of detection faces 110 is 50mm2-400mm2, on the one hand, it, still can be with when there is less foam contacting detection faces 110 Ensure in detection, on the other hand the variation of capacitance is sufficiently large to, it is ensured that external smaller to the interference of overflow checking.
Advantageously, detection faces 110 are circle, i.e. electric conductor 200 is circular piece, not only facilitates processing and manufacturing in this way, but also The cross section of the cooking cavity of electric cooking pot is generally circular, 110 applicability higher of circular detection faces.
Certainly, electric conductor 200 and detection faces 110 or other arbitrary shapes, the present invention are not especially limited this.
In some specific embodiments of the present invention, as shown in Figure 7a, 100 further coated with conductive body 200 of insulator Side, i.e. insulator 100 while the lower surface and side of coated with conductive body 200.It is possible thereby to improve foam inductive component 101 The reliability of overflow checking function.
Specifically, as shown in Figure 7a, insulator 100 defines the open accommodating chamber 120 in upper surface, and electric conductor 200 is located at In accommodating chamber 120, the lower surface and side of the coated with conductive body 200 simultaneously of insulator 100, and the upper surface of electric conductor 200 is from exhausted Edge body 100 exposes, in order to be connected with capacitance detecting chips.
Advantageously, as shown in Figure 7a, the height of accommodating chamber 120 is more than the thickness of electric conductor 200, and electric conductor 200 is located at appearance Receiving the bottom of chamber 120 in this way can be stably placed on electric conductor 200 in insulator 100 since the thickness of electric conductor 200 is smaller, Prevent electric conductor 200 from deviating from the accommodating chamber 120 of insulator 100.
The foam induction for electric cooking pot according to another specific embodiment of the invention is described with reference to Fig. 7 b Component 101, the foam inductive component 101 for electric cooking pot constitute capacitance type detector.
It will be appreciated by those skilled in the art that capacitance type detector refers to, according to capacitance induction principle, work as quilt When detection device is drawn in survey medium leaching, cause its capacitance variations, this variation is converted into standard current signal, and then realizes anti-overflow Relevant control.
Specifically, as shown in Figure 7b, the foam inductive component 101 according to the ... of the embodiment of the present invention for electric cooking pot wraps Include mounting base 300, detection lug 400, mounting bracket 500 and elastic component 600.
Mounting base 300 is equipped with the open groove in upper surface 310.Detection lug 400 is located in groove 310.Mounting bracket 500 It is removably installed on the upper surface of mounting base 300.Elastic component 600 is located between mounting bracket 500 and detection lug 400, bullet Property part 600 is mounted holder 500 and is pressed in groove 310, and detection lug 400 is pressed on the bottom wall of groove 310 by elastic component 600 On.
Foam inductive component 101 according to the ... of the embodiment of the present invention for electric cooking pot, using detection lug 400 and mounting base 300 combination forms capacitance type detector, when under liquid (such as steam bubble) the contact mounting base 300 in electric cooking pot When surface is with 400 corresponding part of detection lug, you can realize that the detection of spill over, cost are lower.Also, detection lug 400 is adopted It is pressed in groove 310 with elastic component 600 and mounting bracket 500, and mounting bracket 500 is removably installed on mounting base 300 On, the dismounting that detection lug 400 can be realized in mounting bracket 500 thus need to be only dismounted, simple and convenient can ensure good technique Assembling.Therefore, the foam inductive component 101 according to the ... of the embodiment of the present invention for electric cooking pot has at low cost, dismounting side Just the advantages that.
As shown in Figure 7b, the foam inductive component 101 according to the ... of the embodiment of the present invention for electric cooking pot includes mounting base 300, detection lug 400, mounting bracket 500 and elastic component 600.
Advantageously, elastic component 600 is integrated with mounting bracket 500, can be further reduced dismounting step in this way, to Further facilitate dismounting.
The present invention some specific embodiments in, as shown in Figure 7b, elastic component 600 can be spring, the upper end of spring with Mounting bracket 500 is connected and lower end is against on detection lug 400.
Further, mounting bracket 500 is formed by the upper end coiling of the spring, in other words, again by the upper end of spring Predetermined shape is turned to constitute mounting bracket 500, it is possible thereby to by 500 integration of elastic component 600 and mounting bracket, and technique Simply, at low cost.
It is understood that in other embodiments of the invention, when being cooked to electric cooking pot by foam detecting device When the steam bubble of generation is detected, other detection modes, such as electrode detection mode etc. can also be used.
In one embodiment of the invention, after electric cooking pot enters the small-power culinary art pattern of non-spill detection, also The cooking time of electric cooking pot can be calculated, and judges whether electric cooking pot needs delay to cook according to the cooking time of electric cooking pot It prepares food.
It is understood that after electric cooking pot enters the small-power culinary art pattern of non-spill detection, since heating power becomes Small, the time for completing cooking function accordingly extends.Therefore, it can be calculated according to current cooking food amount and culinary art curve etc. The cooking time of electric cooking pot.
Further, judge whether the cooking time of calculated electric cooking pot is more than to pre-set and complete cooking function Remaining time, if it is greater, then needing the culinary art that is delayed.
It in one embodiment of the invention, can be by being communicated with external user terminal such as mobile phone to cook electricity Prepare food device need be delayed cooking information be sent to external user terminal, with prompt user need be delayed culinary art, and delay culinary art Time.
Wherein, there are many kinds of the modes that electric cooking pot is communicated with external user terminal, for example, be WiFi, bluetooth and The modes such as ZigBee can carry out selection setting according to the actual application.
In one embodiment of the invention, if the cooking time of calculated electricity cooking pot is less than or equal to pre-set It completes the remaining time of cooking function, electric cooking pot is cooked without being delayed, and at this moment can also pass through the display of the electric cooking pot of control Device is needed with showing that foam detecting device is in failure state to prompt user's foam detecting device to fail after the completion of culinary art It overhauls or send and repair.
Specifically, in one embodiment of the invention, as shown in figure 8, the anti-spilled detection system of above-mentioned electric cooking pot The failure reminding method of system includes the following steps:
S10, electric cooking pot start to cook.
S20, foam detecting device detect that the steam bubble generated when electric cooking pot culinary art, the first timer start to count When.
S30, foam detecting device control the first timer and stop timing when can't detect steam bubble.
S40, judges whether the timing time of the first timer is more than the first preset time such as 25 seconds.If so, executing Step S50;If not, executing step S60.
S50 judges that foam detecting device fails, is handled according to exception handler, such as the electric cooking pot of control enters nothing The small-power of overflow checking cooks pattern.
S60 judges that foam detecting device is effective, and electric cooking pot is heated according to normal heating program, such as in electric cooking pot Stopping heating time controlling electric cooking pot when reaching setting time and continue to heat.
S70, after electric cooking pot enters the small-power culinary art pattern of non-spill detection, when calculating the culinary art of electric cooking pot Between, and judge whether electric cooking pot needs delay to cook according to the cooking time of electric cooking pot.If so, executing step S80;Such as Fruit is no, executes step S90.
S80, it is outer the cooking information that needs to be delayed of electric cooking pot to be sent to by being communicated with external user terminal Portion's user terminal such as mobile phone.
S90 controls the display device of electric cooking pot to show that foam detecting device is in failure state, is completed to cook Prompt user, which overhauls or send in time, afterwards repaiies.
In an embodiment of the present invention, electric cooking pot such as electric cooker is above-mentioned by executing during cooking food Failure reminding method, not only can effectively determine that foam detecting device fails and prompts, moreover it is possible to ensure that electric cooking pot continues to cook It prepares food.Wherein, electric cooking pot cooking food is not limited to cook, and can also be and cooks congee, cooks congee or cooking etc..
The failure reminding method of the anti-spilled detecting system of the electric cooking pot proposed according to embodiments of the present invention is cooked in electricity Device enters after boiling stage detects the steam bubble generated when electric cooking pot culinary art by foam detecting device, and is detected in foam Device generates foam detection signal when detecting steam bubble, electric cooking pot is then controlled when receiving foam and detecting signal and is stopped It only heats and timing, and the first meter of control when foam detecting device can't detect steam bubble is started by the first timer When device stop timing, finally the timing time of the first timer be more than the first preset time when determine foam detecting device lose Effect, the small-power that non-spill detection is entered to control electric cooking pot cook pattern, and also control electric cooking pot and send out spilling Detection failure prompt message.It follows that when foam detecting device detects steam bubble, stopped by controlling electric cooking pot Heating is so that the soup in electric cooking pot is fallen after rise, and the time that steam bubble is consecutively detected to foam detecting device carries out Timing, if being consecutively detected the time of steam bubble more than the first preset time, it is determined that foam detecting device fails and carries Show, and the electric cooking pot of control enters the small-power culinary art pattern of non-spill detection, to not interfere with cooking process, Neng Goushun Profit completes current culinary art and for example cooks, and does not interfere with the use of user, and since heating power is smaller, it is possibility to have effect avoids Electric cooking pot is overflowed in boiling stage.
In order to realize that above-described embodiment, the present invention also propose a kind of anti-spilled detecting system of electric cooking pot.
Fig. 9 is the block diagram according to the anti-spilled detecting system of the electric cooking pot of the embodiment of the present invention.Such as Fig. 9 institutes Show, the anti-spilled detecting system of the electricity cooking pot includes foam detecting device 10, detection module 1000,2000 and of the first timer Main control module 40.
Wherein, foam detecting device 10 may be provided in the upper cover of electric cooking pot, and foam detecting device 10 is for detecting electricity The steam bubble that cooking pot generates when cooking.
Detection module 1000 is connected with foam detecting device 10, and detection module 1000 is used to detect in foam detecting device 10 Signal is detected to foam is generated when steam bubble.
First timer 2000 is for carrying out timing when foam detecting device 10 detects steam bubble.
Main control module 40 is connected with detection module 1000 and the first timer 2000 respectively, and main control module 40 is for receiving Electric cooking pot is controlled when detecting signal to foam and stops heating, and controls the first timer 2000 and starts timing, and in foam Detection device 10 controls the first timer 2000 and stops timing when can't detect steam bubble, and judges the first timer 2000 Whether timing time is more than the first preset time, wherein if the timing time of the first timer 2000 is default more than first Between, main control module 40 then judge foam detecting device 10 fail, and control electric cooking pot enter non-spill detection small-power cook It prepares food pattern.
According to one embodiment of present invention, the main control module is also controlled when judging the foam detecting device failure The electricity cooking pot sends out overflow checking failure prompt message.
In one embodiment of the invention, main after electric cooking pot enters the small-power culinary art pattern of non-spill detection Control module 40 also calculates the cooking time of electric cooking pot, and according to the cooking time of electric cooking pot judge electricity cooking pot whether needs Delay culinary art, wherein if it is determined that electric cooking pot needs the culinary art that is delayed, main control module 40 with external user terminal then by carrying out Communication by the cooking information that needs to be delayed of electric cooking pot to be sent to external user terminal.
In one embodiment of the invention, when judging that electric cooking pot is cooked without being delayed, main control module 40 passes through control The display device of the electric cooking pot of system is to show that foam detecting device 10 is in failure state.
In one embodiment of the invention, when the timing time of the first timer 2000 is less than or equal to the first preset time When, main control module 40 judges that foam detecting device 10 is effective, and when the stopping heating time of electric cooking pot reaching setting time The electric cooking pot of control continues to heat.
In one embodiment of the invention, foam detecting device 10 corresponds to the steam channel setting of upper cover.
It is understood that after electric cooking pot enters the small-power culinary art pattern of non-spill detection, since heating power becomes Small, the time for completing cooking function accordingly extends.It therefore, can be by calculating the cooking time of electric cooking pot to determine whether needing Be delayed culinary art.
Further, judge whether the cooking time of calculated electric cooking pot is more than to pre-set and complete cooking function Remaining time, if it does, needing the culinary art that is delayed.
Wherein, if the cooking time of calculated electricity cooking pot is less than or equal to pre-set the residue for completing cooking function Time, electric cooking pot are cooked without being delayed.It can be by controlling the display device of electric cooking pot to show at foam detecting device In failure state to prompt user's foam detecting device to fail, so that prompt user overhauls or send in time and repaiies after the completion of cooking.
It should be noted that the explanation of the failure reminding method embodiment of the aforementioned anti-spilled detecting system to electric cooking pot Illustrate the anti-spilled detecting system for the electric cooking pot for being also applied for the present embodiment, details are not described herein again.
The anti-spilled detecting system of the electric cooking pot proposed according to embodiments of the present invention enters boiling stage in electric cooking pot The steam bubble generated when electric cooking pot culinary art is detected by foam detecting device afterwards, detection module is detected in foam detecting device Signal is detected to foam is generated when steam bubble, then main control module controls electric cooking pot when receiving foam and detecting signal and stops It only heats, and controls the first timer and start timing, and control first when foam detecting device can't detect steam bubble Timer stops timing, the finally main control module judgement foam inspection when the timing time of the first timer is more than the first preset time Failure of apparatus is surveyed, the small-power that non-spill detection is entered to control electric cooking pot cooks pattern, and also controls electric cooking pot Send out overflow checking failure prompt message.It follows that when foam detecting device detects steam bubble, main control module passes through The electric cooking pot of control stops heating so that the soup in electric cooking pot is fallen after rise, and is detected and filled to foam by the first timer The time progress timing for being consecutively detected steam bubble is set, if the time for being consecutively detected steam bubble is default more than first Between, it is determined that foam detecting device fails and prompts, and the electric cooking pot of control enters the small-power culinary art mould of non-spill detection Formula can smoothly complete current culinary art and for example cook, not interfere with the use of user to not interfere with cooking process, and Since heating power is smaller, it is possibility to have effect avoids electric cooking pot from being overflowed in boiling stage.
In addition, in order to realize that above-described embodiment, the embodiment of the present invention also proposed a kind of electric cooking pot comprising above-mentioned The anti-spilled detecting system of electric cooking pot.
It should be noted that the explanation of the failure reminding method embodiment of the aforementioned anti-spilled detecting system to electric cooking pot Illustrate the electric cooking pot for being also applied for the present embodiment, details are not described herein again.
Electricity cooking pot according to the ... of the embodiment of the present invention can accurately detect foam by above-mentioned anti-spilled detecting system Detection device fails and is prompted, and the electric cooking pot of control enters the small-power culinary art pattern of non-spill detection, to not Cooking process can be influenced, current culinary art can be smoothly completed and for example cooked, do not interfere with the use of user, and due to heating work( Rate is smaller, it is possibility to have effect avoids overflowing in boiling stage.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;Can be that machinery connects It connects, can also be electrical connection;It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (12)

1. a kind of anti-spilled detecting system of electricity cooking pot, which is characterized in that including:
Foam detecting device, the foam detecting device are arranged in the upper cover of the electric cooking pot, the foam detecting device For detecting the steam bubble generated when the electric cooking pot culinary art;
Detection module, the detection module are connected with the foam detecting device, and the detection module is used to examine in the foam It surveys and generates foam detection signal when device detects the steam bubble;
First timer, first timer when the foam detecting device detects the steam bubble based on carrying out When;
Main control module, the main control module are connected with the detection module and first timer respectively, the main control module Stop heating for controlling the electric cooking pot when receiving the foam and detecting signal, and controls first timer and open Beginning timing, and control first timer when the foam detecting device can't detect the steam bubble and stop meter When, and judge whether the timing time of first timer is more than the first preset time, wherein
If the timing time of first timer is more than first preset time, main control module if, judges the bubble Foam detection device fails, and controls the small-power culinary art pattern that the electric cooking pot enters non-spill detection.
2. the anti-spilled detecting system of electricity cooking pot as described in claim 1, which is characterized in that the main control module is judging The electric cooking pot is also controlled when the foam detecting device failure sends out overflow checking failure prompt message.
3. the anti-spilled detecting system of electricity cooking pot as claimed in claim 1 or 2, which is characterized in that when the electric cooking pot After the small-power culinary art pattern detected into non-spill, the main control module also calculates the cooking time of the electric cooking pot, and Judge whether the electric cooking pot needs delay to cook according to the cooking time of the electric cooking pot, wherein
If it is determined that the electricity cooking pot needs the culinary art that is delayed, the main control module with external user terminal then by being communicated The cooking information that needs to be delayed of the electric cooking pot is sent to the external user terminal.
4. the anti-spilled detecting system of electricity cooking pot as claimed in claim 3, which is characterized in that when judging the electricity cooking pot When being cooked without being delayed, the main control module is by controlling the display device of the electric cooking pot to show the foam detection dress It sets and is in failure state.
5. the anti-spilled detecting system of electricity cooking pot as described in claim 1, which is characterized in that when first timer When timing time is less than or equal to first preset time, foam detecting device is effective described in the master control module judges, and The stopping heating time of the electricity cooking pot controls the electric cooking pot and continues to heat when reaching setting time.
6. the anti-spilled detecting system of electricity cooking pot as described in claim 1, which is characterized in that the foam detecting device pair The steam channel of the upper cover is answered to be arranged.
7. a kind of electricity cooking pot, which is characterized in that include the anti-spilled of the electric cooking pot as described in any one of claim 1-6 Detecting system.
8. a kind of failure reminding method of the anti-spilled detecting system of electricity cooking pot, which is characterized in that the anti-spilled detection system System includes foam detecting device, be the described method comprises the following steps:
After the electric cooking pot enters boiling stage, is detected by foam detecting device and to be generated when the electric cooking pot culinary art Steam bubble, and generate foam when the foam detecting device detects the steam bubble and detect signal;
When receiving the foam detection signal, controls the electric cooking pot and stop heating, and started by the first timer Timing, and control first timer when the foam detecting device can't detect the steam bubble and stop timing;
Judge whether the timing time of first timer is more than the first preset time;
If the timing time of first timer is more than first preset time, judge that the foam detecting device is lost Effect, and control the small-power culinary art pattern that the electric cooking pot enters non-spill detection.
9. method as claimed in claim 8, which is characterized in that when judging the foam detecting device failure, also control institute It states electric cooking pot and sends out overflow checking failure prompt message.
10. method as claimed in claim 8 or 9, which is characterized in that when the electric cooking pot enters the small work(of non-spill detection After rate culinary art pattern, the cooking time of the electric cooking pot is also calculated, and institute is judged according to the cooking time of the electric cooking pot State whether electric cooking pot needs delay to cook, wherein
If it is determined that the electricity cooking pot needs the culinary art that is delayed, then by being communicated with external user terminal to cook the electricity Prepare food device need be delayed cooking information be sent to the external user terminal.
11. method as claimed in claim 10, which is characterized in that when judging that the electric cooking pot is cooked without being delayed, lead to The display device for controlling the electric cooking pot is crossed to show that the foam detecting device is in failure state.
12. method as claimed in claim 8, which is characterized in that when the timing time of first timer is less than or equal to institute When stating the first preset time, judge that the foam detecting device is effective, and reaches in the stopping heating time of the electric cooking pot The electric cooking pot is controlled when setting time to continue to heat.
CN201710035415.6A 2017-01-18 2017-01-18 Electric cooking pot and its anti-spilled detecting system and failure reminding method CN108309037A (en)

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CN106264112A (en) * 2015-05-28 2017-01-04 佛山市顺德区美的电热电器制造有限公司 Electricity cooking pot and the method for heating and controlling of electricity cooking pot
CN106264110A (en) * 2015-05-28 2017-01-04 佛山市顺德区美的电热电器制造有限公司 Electricity cooking pot and the fault detection method of anti-spilled testing circuit when powering on thereof

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JPH1075887A (en) * 1996-09-02 1998-03-24 Iseki & Co Ltd Rice cooking device
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