CN109425407A - Liquid overflow detection method, device, cookware, heating device and heating component - Google Patents
Liquid overflow detection method, device, cookware, heating device and heating component Download PDFInfo
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- CN109425407A CN109425407A CN201810265935.0A CN201810265935A CN109425407A CN 109425407 A CN109425407 A CN 109425407A CN 201810265935 A CN201810265935 A CN 201810265935A CN 109425407 A CN109425407 A CN 109425407A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
- G01F23/268—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors mounting arrangements of probes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Cookers (AREA)
Abstract
The present invention provides a kind of liquid overflow detection method, device, cookware, heating device and heating component, the liquid overflow detection method includes: the current signal of detection capacitive liquid level sensor output during heating liquid；Judge whether liquid is in overflow status according to the variation tendency of the current signal.Liquid overflow detection method provided by the invention can accurately and effectively detect liquid overflow status.
Description
Technical field
The present invention relates to intelligent appliance technical fields, and in particular to a kind of liquid overflow detection method, device, cookware plus
Thermal and heating component.
Background technique
Relatively broad use has been obtained as a kind of energy-efficient kitchen tools in electromagnetic oven, and cooking function is also increasingly
It is abundant, it can be used to heat up water, cook congee, Baoshang etc..But in the specific use process, however it remains some inconvenients.
Such as it is cooked congee with electromagnetic oven or when Baoshang, overflowing pot phenomenon, not only wastes soup congee frequent occurrence, and electromagnetic oven is more difficult clear after overflowing pot
Reason is more seriously also possible to cause the safety accidents such as electromagnetic oven damage or fire.
Summary of the invention
For the defects in the prior art, the present invention provides a kind of liquid overflow detection method, device, cookware, heating dress
It sets and heating component, liquid overflow detection method provided by the invention can accurately and effectively detect the overflow status of liquid.
To achieve the above object, the present invention the following technical schemes are provided:
In a first aspect, the present invention provides a kind of liquid overflow detection methods, comprising:
During heating liquid, the current signal of detection capacitive liquid level sensor output；
Judge whether liquid is in overflow status according to the variation tendency of the current signal；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
Further, the variation tendency according to the current signal judges whether liquid is in overflow status, packet
It includes:
Current curve is generated according to the current signal；
Judge whether the current curve meets preset condition, if so, judging that liquid is in overflow status.
It is further, described to judge whether the current curve meets preset condition, comprising:
Judge the current curve whether with the spilling section phase in the standard spill over curve that obtains in advance
Match, wherein when the standard spill over curve is used to show the value and heating of the current signal of capacitive liquid level sensor output
Between between corresponding relationship, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
It is further, described to judge whether the current curve meets preset condition, comprising:
Judge in the current curve using current time as in the period of the preset length of finish time
Whether current value is more than first threshold, if so, determining that the liquid enters to overflow status.
Further, the current curve is to be given birth to according to the current signal of self-identifying initial time to current time
At curve.
Further, the identification initial time is at the time of begin to warm up, or for from beginning to warm up by first
At the time of after period, or for current signal meet identification initial conditions at the time of.
Further, the liquid overflow detection method further include:
Judging that liquid is in when overflow status, is sending anti-spilled finger to the heating device for heating the liquid
It enables, so that the heating device changes the heating power to the container according to the anti-spilled instruction.
Further, the capacitive liquid level sensor is positioned close on the lateral wall of the container top.
Further, the capacitive liquid level sensor is positioned close on the lateral wall of the container bottom.
Second aspect, the present invention also provides a kind of liquid overflow checking device, the liquid overflow checking device includes:
Current signal detection module, for the electric current that during heating liquid, detection capacitive liquid level sensor is exported
Signal；
To overflow status determination module, for judging whether liquid is in wait overflow according to the variation tendency of the current signal
It does well；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
Further, described to overflow status determination module, it is specifically used for: curent change is generated according to the current signal
Curve；
And judge whether the current curve meets preset condition, if so, judging that liquid is in shape to be overflowed
State.
Further, described to judge whether the current curve meets preset condition to overflow status determination module
When, it is specifically used for:
Judge the current curve whether with the spilling section phase in the standard spill over curve that obtains in advance
Match, wherein when the standard spill over curve is used to show the value and heating of the current signal of capacitive liquid level sensor output
Between between corresponding relationship, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
Further, described to judge whether the current curve meets preset condition to overflow status determination module
When, it is specifically used for:
Judge in the current curve using current time as in the period of the preset length of finish time
Whether current value is more than first threshold, if so, determining that the liquid enters to overflow status.
Further, the liquid overflow checking device further include: sending module；
The sending module, for judging that liquid is in when overflow status when overflow status determination module described, to
Heating device for heating the liquid sends anti-spilled instruction, so that the heating device changes according to the anti-spilled instruction
To the heating power of the container.
The third aspect, the present invention also provides a kind of electronic equipment, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, the processor realize that liquid as described above overflows when executing described program
The step of detection method.
Fourth aspect, the present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, should
The step of liquid overflow detection method as described above is realized when computer program is executed by processor.
5th aspect, the present invention also provides a kind of cookware, the cookware is equipped with capacitive liquid level sensor, and as above
Liquid overflow checking device described in face；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
Further, the cookware includes pot body, corresponding, and the liquid overflow checking device is arranged in the pot body
Outer wall on.
Further, the cookware includes pot and pot cover, corresponding, and the liquid overflow checking device is arranged in institute
It states on pot cover.
6th aspect, the present invention also provides a kind of heating devices, comprising: receiving unit and control unit；
The receiving unit is used to receive the anti-spilled instruction that liquid overflow checking device as described above is sent；
Described control unit, for changing the heating power of heating device according to the anti-spilled instruction.
Further, the heating device includes one of electromagnetic oven, gas-cooker and electric heating sheets or a variety of.
7th aspect, the present invention also provides a kind of heating component, the heating component includes: heating as described above
Device, and, liquid overflow checking device as described above.
As shown from the above technical solution, liquid overflow detection method provided by the invention, during heating liquid, root
Variation tendency according to the current signal of capacitive liquid level sensor output judges whether liquid is in overflow status, relative to monodrome
The mode of judgement, the present invention can effectively improve overflow status accuracy in detection.In addition, by selecting capacitive liquid level sensor to make
For signal detection device, cost and hardware complexity are effectively reduced, enhances reliability.As it can be seen that liquid provided by the invention
Overflow detection method, can the automatic identification boiling or overflow status of liquid heated, to improve the peace that stove uses
Quan Xing, and the liquid overflow detection method, can apply in the various kitchen tools with heating function, have wide range of applications.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of flow chart for the liquid overflow detection method that the embodiment of the present invention one provides；
Fig. 2 is another flow chart for the liquid overflow detection method that the embodiment of the present invention one provides；
Fig. 3 is standard spill over curve；
Fig. 4 a is the current curve one generated in real time during heating liquid according to current signal；
Fig. 4 b is the current curve two generated in real time during heating liquid according to current signal；
Fig. 4 c is the current curve three generated in real time during heating liquid according to current signal；
Fig. 5 is another flow chart for the liquid overflow detection method that the embodiment of the present invention one provides；
Fig. 6 is a kind of structural schematic diagram of liquid overflow checking device provided by Embodiment 2 of the present invention；
Fig. 7 is another structural schematic diagram of liquid overflow checking device provided by Embodiment 2 of the present invention；
Fig. 8 is another structural schematic diagram of liquid overflow checking device provided by Embodiment 2 of the present invention；
Fig. 9 is the structural schematic diagram for the cookware that the embodiment of the present invention three provides；
Figure 10 is the structural schematic diagram for the heating device that the embodiment of the present invention four provides；
Figure 11 is the structural schematic diagram for the heating component that the embodiment of the present invention five provides；
Figure 12 is the structural schematic diagram for the electronic equipment that the embodiment of the present invention six provides；
Wherein, the meaning of each appended drawing reference is as follows in Fig. 9 and Figure 11: 1 indicates capacitive liquid level sensor, and 2 indicate that liquid overflows
Detection device out, 3 indicate heating device, and 4 indicate heating container.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
For the problems of the prior art, the present invention provides a kind of liquid overflow detection method, device, cookware, heating dress
It sets and heating component.It is understood that liquid overflow detection method described in the embodiment of the present invention be suitable for various cookwares with
Heating equipment for being heated to the cookware, heating equipment therein especially electromagnetic oven, insulating pot etc., is also applied for pot
Tool is integrally disposed in a whole intracorporal cooking apparatus, such as electric frying pan etc. with heating equipment；There is heating function using
When the heating up water of kitchen tools, Baoshang, the functions such as cook congee, the vessel for filling liquid can be placed on the kitchen tools and be heated, be heated
Liquid include water, oil, soup or other substances being in a liquid state.It is liquid since liquid is heated to the process of boiling in vessel
State gradually turns to gaseous process, and liquid constantly has the drop of close heating source to be vaporized during heating, forms bubble
Rise in water.It usually in fluid heating process, was vaporized before this there are many small drop, and formed small vacuole and rise, rupture.
In liquid boiling, a large amount of drop is vaporized, and is formed air pocket and is risen, ruptures.Formation, rising and the rupture of these bubbles are all
Liquid level can be caused to change, and the variation of these liquid levels can detect to obtain by sensor, and can be changed according to the liquid level of liquid and be given birth to
At corresponding electric signal.Liquid overflow detection method provided by the invention can accurately and efficiently detect that liquid overflows shape
State so as to prevent liquid from overflowing, and then can avoid the occurrence of safe sequel, promote user experience.It will pass through below
Explanation is explained in detail to the present invention in each embodiment.
The embodiment of the present invention one provides a kind of liquid overflow detection method, referring to Fig. 1, the liquid overflow detection method tool
Body includes following content:
Step 101: during heating liquid, the current signal of detection capacitive liquid level sensor output.
In this step, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.For example,
It can be set on the lateral wall close to the container top, also can be set on the lateral wall close to the container bottom.
It is understood that the position of capacitive liquid level sensor setting is different, output current value under corresponding overflow status or
Current value section is different.For example, capacitive liquid level sensor can be set for convenience of capacitive liquid level sensor is fixed
It sets near at the anchor of container handle.
It should be noted that if the container for holding liquid is that canister, the then container and capacitance liquid level sense
It needs to do insulation processing between device.
It is understood that when running out in vapors from vessel after the liquid in container is boiled, just as blowing soap
Bubble like that, blow out a face table tension it is larger be not easy shattered to pieces bubble come, with the increase of steam, the more poly- bubble also the more, hold
Liquid level in device can also gradually rise, and when they are raised to the edge of container, just overflow outward in container.Due in container
Contain a large amount of protein and starch in soup or congee water, therefore their conductivity is larger, when the bubble contact overflowed outward
To capacitive liquid level sensor, capacitive liquid level sensor can detecte liquid level lifting height, and the liquid is exported by way of electric current
Position signal.In general, capacitive liquid level sensor output current value is bigger, shows that liquid level is higher, when output current value is big
When a certain preset threshold, show that liquid will overflow in container.Therefore, during heating liquid, detection can be passed through
The output current signal of capacitive liquid level sensor judges the boiling or overflow status of liquid in container.
Step 102: judging whether liquid is in overflow status according to the variation tendency of the current signal.
According to being described above it is found that liquid overflow detection method provided in this embodiment, during heating liquid, root
Variation tendency according to the current signal of capacitive liquid level sensor output judges whether liquid is in overflow status, relative to monodrome
The mode of judgement, the present embodiment can effectively improve overflow status accuracy in detection.In addition, by selecting capacitive liquid level sensor
As signal detection device, cost and hardware complexity are effectively reduced, enhances reliability.As it can be seen that provided in this embodiment
Liquid overflow detection method, can the automatic identification boiling or overflow status of liquid heated, to improve stove use
Safety, and the liquid overflow detection method can apply in the various kitchen tools with heating function, have a wide range of application
It is general.In a kind of optional embodiment, above-mentioned steps 102 can be used following sub-step 1021~1023 and realize.Referring specifically to
Fig. 2, in this embodiment, the liquid overflow detection method specifically include following content:
Step 101: during heating liquid, the current signal of detection capacitive liquid level sensor output.
Step 1021: current curve is generated according to the current signal.
In this step, the current curve is to be sensed according to self-identifying initial time to current time capacitance liquid level
The current signal of device output and the curve that generates.The identification initial time is at the time of begin to warm up, or for from starting plus
Heat rise after the first period at the time of, or for current signal meet identification initial conditions at the time of.
Step 1022: judge whether the current curve meets preset condition, if so, 1023 are thened follow the steps, it is no
Then return step 1021 continues the current signal exported according to capacitive liquid level sensor generation current curve.
In this step, it can judge whether the current curve meets preset condition by two ways, specifically
Judgment mode can be found in following two specific embodiments.
Step 1023: judging that liquid is in overflow status.
According to being described above it is found that liquid overflow detection method provided in this embodiment, defeated according to capacitive liquid level sensor
Current signal out generates current curve in real time, i.e., converting the variation tendency of current signal to can quantify or visualize
The current curve of description, and then liquid is judged according to the current curve that can quantify or visualize description formed in real time
Body overflow status, it is excessive so as to effectively improve so as to further increase judgement precision on the basis of above example
Do well accuracy in detection.In addition, by select capacitive liquid level sensor be used as signal detection device, effectively reduce cost with
Hardware complexity enhances reliability.It, can be added by automatic identification as it can be seen that liquid overflow detection method provided in this embodiment
The boiling or overflow status of the liquid of heat, so that the safety that stove uses is improved, and the liquid overflow detection method, energy
It enough applies in the various kitchen tools with heating function, has wide range of applications.
In a kind of optional embodiment, above-mentioned steps 1022 are specific to be realized in the following way:
Judge the current curve whether with the spilling section phase in the standard spill over curve that obtains in advance
Match, wherein when the standard spill over curve is used to show the value and heating of the current signal of capacitive liquid level sensor output
Between between corresponding relationship, and be identified in the standard spill over curve overflow section；If so, determine the liquid into
Enter to overflow status.
Fig. 3 show the standard spill over curve obtained in advance.Referring to Fig. 3, in the standard spill over curve
It is identified with and overflows section, i.e. section between point a and point b.It is understood that the position of the capacitive liquid level sensor setting
Difference, corresponding standard spill over curve and spilling section are also different.In addition, standard spill over curve and overflow area
Between also in container heat liquid type have relationship.
It should be noted that it is described judge the current curve whether with the standard spill over curve that obtains in advance
In spilling section match, it can be understood as, judge in the current curve with the presence or absence of with the standard that obtains in advance
The section that spilling section in spill over curve matches, and if it exists, then judge that liquid is in overflow status.
For such as, the current curve that a is obtained referring to fig. 4, since there is no overflow with the standard obtained in advance thereon
The section that spilling section in signal curve matches out, it is therefore shown that overflow status has not been reached yet in liquid in container at this time.
The for another example current curve that b is obtained referring to fig. 4, due to presence thereon and overflowing in the standard spill over curve obtained in advance
The section (section between two dotted lines) that section matches out, it is therefore shown that liquid enters to overflow status in container at this time.
It is to be appreciated that being overflowed in the current curve that judgement obtains in real time with the presence or absence of with the standard obtained in advance
When the section that the spilling section in signal curve matches, actually judge whether deposit in the current curve obtained in real time
In the section similar with the spilling curve shape in section in the standard spill over curve obtained in advance.When specifically judging,
The method that fuzzy matching can be used can also use other methods, such as can be simultaneously from two angles of time and the slope of curve
Degree go in the current curve for judging to obtain in real time with the presence or absence of with the spilling in the standard spill over curve that obtains in advance
The section that section matches.
Different from above-mentioned optional embodiment, in another optional embodiment, above-mentioned steps 1022 are specifically using such as
Under type is realized:
Judge in the current curve using current time as in the period of the preset length of finish time
Whether current value is more than first threshold, if so, determining that the liquid enters to overflow status.
The current curve that c is obtained referring to fig. 4, due to presetting length using current time T as the one of finish time thereon
The time period t of degree0Interior current value is all larger than first threshold I0, thus may determine that the liquid enters to overflow status.
In a kind of optional embodiment, referring to Fig. 5, the liquid overflow detection method is in addition to including above-mentioned steps 101
It further include step 103 other than~102 (102 further comprise 1022~1023).
Step 103: judging that liquid is in when overflow status, sent to the heating device for heating the liquid anti-
Instruction is overflowed, so that the heating device changes the heating power to the container according to the anti-spilled instruction.
In this step, when detecting that liquid is in when overflow status, anti-spilled finger is sent to corresponding heating device
It enables, so that corresponding heating device adjusts working condition.Such as heating power is reduced, to keep the shape that mild fire is stewed slowly in container
State, boils in a covered pot over a slow fire food materials in container while not spilling over ripe, alternatively, directly closing heating device, stopping carries out liquid in container
Heating.
Based on identical inventive concept, second embodiment of the present invention provides a kind of liquid overflow checking device, referring to Fig. 6,
The liquid overflow checking device includes: current signal detection module 21 and to overflow status determination module 22, in which:
Current signal detection module 21, for the electricity that during heating liquid, detection capacitive liquid level sensor is exported
Flow signal；Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor；
To overflow status determination module 22, for according to the variation tendency of the current signal judge liquid whether be in
Overflow status.
It is described to overflow status determination module 22 referring to Fig. 7 in a kind of optional embodiment, further comprise: curve
Generation unit 221 and to overflow status judging unit 222, in which:
Curve generation unit 221, for generating current curve according to the current signal；
To overflow status judging unit 222, for judging whether the current curve meets preset condition, if so,
Then judge that liquid is in overflow status.
It is described to overflow status judging unit 222 in a kind of optional embodiment, it is specifically used for:
Judge the current curve whether with the spilling section phase in the standard spill over curve that obtains in advance
Match, wherein when the standard spill over curve is used to show the value and heating of the current signal of capacitive liquid level sensor output
Between between corresponding relationship, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
It is described to overflow status judging unit 222 in a kind of optional embodiment, it is specifically used for:
Judge in the current curve using current time as in the period of the preset length of finish time
Whether current value is more than first threshold, if so, determining that the liquid enters to overflow status.
In a kind of optional embodiment, referring to Fig. 8, the liquid overflow checking device is in addition to including that above-mentioned electric current is believed
Number detection module 21 and to overflow status determination module 22 except, further includes: sending module 23；
The sending module 23, for judging that liquid is in when overflow status when overflow status determination module described,
Anti-spilled instruction is sent to the heating device for heating the liquid, so that the heating device changes according to the anti-spilled instruction
Become the heating power to the container.
It is understood that the sending module 23 can be wireless communication module, such as can for bluetooth module,
One of ZigBee module and Wi-Fi module, it is convenient to carry out wirelessly transmitting data with heating device.
Liquid overflow checking device provided in this embodiment specifically can be used for executing liquid described in above-described embodiment and overflow
Output detection method, working principle is similar with beneficial effect, and details are not described herein again.
Based on identical inventive concept, the embodiment of the present invention three provides a kind of cookware, referring to Fig. 9, sets on the cookware
There is capacitive liquid level sensor 1, and the liquid overflow checking device 2 as described in above example two；
Wherein, the capacitive liquid level sensor is arranged on the lateral wall of the cookware.
In a kind of optional embodiment, the cookware includes pot body, corresponding, and the liquid overflow checking device is set
(as shown in Figure 9) is set on the outer wall of the pot body.
In a kind of optional embodiment, the cookware includes pot and pot cover, corresponding, the liquid overflow checking
Device is arranged on the pot cover.
It is to be appreciated that cookware described in the present embodiment can be stainless-steel pan, iron pan, aluminum pot, casserole, copper pot, ward off
The cookwares such as porcelain pot, non-stick pan, composite pot.Cookware described in the present embodiment can also be pressure cooker, frying pan, slaughterhouse, steaming
Pot, multifunctional pot, can also for the liner of electric cooker, the liner of insulating pot, soy bean milk making machine the cookwares such as liner.
Since cookware provided in this embodiment includes liquid overflow checking device provided by the above embodiment, this implementation
The cookware that example provides can accurately and effectively detect liquid overflow status.
Based on identical inventive concept, the embodiment of the present invention four provides a kind of heating device, referring to Figure 10, comprising: connects
Receive module and control module；
The liquid overflow checking device that the receiving module is used to receive as described in above example two sends anti-spilled
Instruction；
The control module, for changing the heating power of heating device according to the anti-spilled instruction.
It is understood that the receiving module can using wireless communication module realize, such as can for bluetooth module,
One of ZigBee module and Wi-Fi module, it is convenient to carry out wirelessly transmitting data with liquid overflow checking device.
It is understood that the control module can use chip microcontroller.
It is understood that the heating device can be one of electromagnetic oven, gas-cooker and electric heating sheets or a variety of.
Since heating device provided in this embodiment receives what liquid overflow checking device provided by the above embodiment was sent
Anti-spilled instruction, therefore heating device provided in this embodiment can effectively prevent heating liquid to overflow.
Based on identical inventive concept, the embodiment of the present invention five provides a kind of heating component, referring to Figure 11, the heating
Component includes: the heating device 3 as described in example IV above, and, the liquid overflow checking as described in above example two
Device 2.
It is understood that the heating device further includes heating container 4, wherein be provided with capacitive liquid on heating container 4
Level sensor 1, the liquid overflow checking device 2 are also disposed on heating container 4, and capacitive liquid level sensor 1 and liquid overflow
Detection device 2 connects out.
Since heating component provided in this embodiment includes heating device and liquid overflow checking provided by the above embodiment
Device, therefore liquid overflow status can be effectively detected in heating component provided in this embodiment, and controls heating device in time
Heating power is adjusted, so as to prevent heating liquid from overflowing.
Based on identical inventive concept, the embodiment of the present invention six provides a kind of electronic equipment, referring to Figure 12, the electronics
Equipment specifically includes following content: processor 701, memory 702, communication interface 703 and bus 704；
Wherein, the processor 701, memory 702, communication interface 703 complete mutual lead to by the bus 704
Letter；The communication interface 703 is for realizing the information between the relevant devices such as each modeling software and intelligent manufacturing equipment module library
Transmission；
The processor 701 is used to call the computer program in the memory 702, and the processor executes the meter
The Overall Steps in above-described embodiment one are realized when calculation machine program, for example, reality when the processor executes the computer program
Existing following step:
Step 101: during heating liquid, the current signal of detection capacitive liquid level sensor output.
Step 102: judging whether liquid is in overflow status according to the variation tendency of the current signal.
Based on identical inventive concept, the embodiment of the present invention seven provides a kind of computer readable storage medium, the calculating
It is stored with computer program on machine readable storage medium storing program for executing, which realizes above-described embodiment one when being executed by processor
Overall Steps, for example, the processor realizes following step when executing the computer program:
Step 101: during heating liquid, the current signal of detection capacitive liquid level sensor output.
Step 102: judging whether liquid is in overflow status according to the variation tendency of the current signal.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as, it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For this
For the those of ordinary skill in field, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (22)
1. a kind of liquid overflow detection method, which is characterized in that the liquid overflow detection method includes:
During heating liquid, the current signal of detection capacitive liquid level sensor output；
Judge whether liquid is in overflow status according to the variation tendency of the current signal；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
2. liquid overflow detection method according to claim 1, which is characterized in that the change according to the current signal
Change whether Trend judgement liquid is in overflow status, comprising:
Current curve is generated according to the current signal；
Judge whether the current curve meets preset condition, if so, judging that liquid is in overflow status.
3. liquid overflow detection method according to claim 2, which is characterized in that the judgement current curve
Whether preset condition is met, comprising:
Judge whether the current curve matches with the spilling section in the standard spill over curve that obtains in advance,
In, the standard spill over curve was used to show the value of the current signal of capacitive liquid level sensor output and between heating time
Corresponding relationship, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
4. liquid overflow detection method according to claim 2, which is characterized in that the judgement current curve
Whether preset condition is met, comprising:
Judge in the current curve using current time as the electric current in the period of the preset length of finish time
Whether value is more than first threshold, if so, determining that the liquid enters to overflow status.
5. liquid overflow detection method according to claim 2, which is characterized in that according to the current curve certainly
Identification initial time to current time current signal and the curve that generates.
6. liquid overflow detection method according to claim 5, which is characterized in that the identification initial time is to start to add
At the time of hot, perhaps for from beginning to warm up after the first period at the time of or be current signal meet identify initial one
At the time of part.
7. described in any item liquid overflow detection methods according to claim 1~6, which is characterized in that the liquid overflows inspection
Survey method further include:
Judging that liquid is in when overflow status, is sending anti-spilled instruction to the heating device for heating the liquid, make
Obtain heating power of the heating device according to the anti-spilled instruction change to the container.
8. described in any item liquid overflow detection methods according to claim 1~6, which is characterized in that the capacitance liquid level passes
Sensor is positioned close on the lateral wall of the container top.
9. described in any item liquid overflow detection methods according to claim 1~6, which is characterized in that the capacitance liquid level passes
Sensor is positioned close on the lateral wall of the container bottom.
10. a kind of liquid overflow checking device, which is characterized in that the liquid overflow checking device includes:
Current signal detection module, for the current signal that during heating liquid, detection capacitive liquid level sensor is exported；
To overflow status determination module, for judging whether liquid is in shape to be overflowed according to the variation tendency of the current signal
State；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
11. liquid overflow checking device according to claim 10, which is characterized in that described to determine mould to overflow status
Block is specifically used for:
Current curve is generated according to the current signal；
And judge whether the current curve meets preset condition, if so, judging that liquid is in overflow status.
12. liquid overflow checking device according to claim 11, which is characterized in that described to overflow status determination module
When judging whether the current curve meets preset condition, it is specifically used for:
Judge whether the current curve matches with the spilling section in the standard spill over curve that obtains in advance,
In, the standard spill over curve was used to show the value of the current signal of capacitive liquid level sensor output and between heating time
Corresponding relationship, and be identified in the standard spill over curve overflow section；
If so, determining that the liquid enters to overflow status.
13. liquid overflow checking device according to claim 11, which is characterized in that described to overflow status determination module
When judging whether the current curve meets preset condition, it is specifically used for:
Judge in the current curve using current time as the electric current in the period of the preset length of finish time
Whether value is more than first threshold, if so, determining that the liquid enters to overflow status.
14. 0~13 described in any item liquid overflow checking devices according to claim 1, which is characterized in that further include: it sends
Module；
The sending module, for judge liquid in when overflow status, to being used for when overflow status determination module described
The heating device for heating the liquid sends anti-spilled instruction, so that the heating device changes according to the anti-spilled instruction to institute
State the heating power of container.
15. a kind of electronic equipment including memory, processor and stores the calculating that can be run on a memory and on a processor
Machine program, which is characterized in that the processor realizes that liquid overflows as described in any one of claim 1 to 9 when executing described program
The step of output detection method.
16. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
It is realized when processor executes as described in any one of claim 1 to 9 the step of liquid overflow detection method.
17. a kind of cookware, which is characterized in that the cookware is equipped with capacitive liquid level sensor, and such as claim 10~14
Described in any item liquid overflow checking devices；
Wherein, the lateral wall of the container for holding liquid is arranged in the capacitive liquid level sensor.
18. cookware according to claim 17, which is characterized in that the cookware includes pot body, corresponding, the liquid
Overflow checking device is arranged on the outer wall of the pot body.
19. cookware according to claim 17, which is characterized in that the cookware includes pot and pot cover, corresponding, institute
Liquid overflow checking device is stated to be arranged on the pot cover.
20. a kind of heating device characterized by comprising receiving unit and control unit；
The receiving unit is used to receive the anti-spilled instruction that liquid overflow checking device as claimed in claim 14 is sent；
Described control unit, for changing the heating power of heating device according to the anti-spilled instruction.
21. heating device according to claim 20, which is characterized in that the heating device includes electromagnetic oven, gas-cooker
With one of electric heating sheets or a variety of.
22. a kind of heating component, which is characterized in that the heating component includes: heating device described in claim 20 or 21,
And liquid overflow checking device as claimed in claim 14.
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| CN201810265935.0A CN109425407B (en) | 2018-03-28 | 2018-03-28 | Liquid overflow detection method and device, pot, heating device and heating assembly |
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| CN201810265935.0A CN109425407B (en) | 2018-03-28 | 2018-03-28 | Liquid overflow detection method and device, pot, heating device and heating assembly |
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| CN112899651A (en) * | 2019-12-04 | 2021-06-04 | 株式会社堀场Stec | Liquid material gasification device |
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| CN109425407B (en) | 2021-07-16 |
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