CN107440512A - Anti-overflow detection method and health preserving kettle - Google Patents
Anti-overflow detection method and health preserving kettle Download PDFInfo
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- CN107440512A CN107440512A CN201710710819.0A CN201710710819A CN107440512A CN 107440512 A CN107440512 A CN 107440512A CN 201710710819 A CN201710710819 A CN 201710710819A CN 107440512 A CN107440512 A CN 107440512A
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- promotion kettle
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- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 230000036541 health Effects 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims description 27
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 235000014347 soups Nutrition 0.000 description 24
- 210000003934 vacuole Anatomy 0.000 description 20
- 230000005611 electricity Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 239000000523 sample Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 244000269722 Thea sinensis Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 240000008866 Ziziphus nummularia Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000013402 health food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/56—Preventing boiling over, e.g. of milk
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention provides an anti-overflow detection method and a health preserving pot, wherein a first anti-overflow electrode and a second anti-overflow electrode are arranged on a pot cover of the health preserving pot, the length of the first anti-overflow electrode extending into an inner cavity of the health preserving pot is longer than the length of the second anti-overflow electrode extending into the inner cavity, and the method comprises the following steps: detecting a first capacitance value of the first anti-overflow electrode and a second capacitance value of the second anti-overflow electrode; and judging whether to perform anti-overflow control according to the capacitance difference value of the first capacitance value and the second capacitance value and a preset capacitance threshold value. According to the technical scheme provided by the invention, the influence of the ambient temperature on the first anti-overflow electrode with the longer length is eliminated by using the second anti-overflow electrode with the shorter length, so that the sensitivity and accuracy of anti-overflow detection can be improved, and the phenomenon that the anti-overflow control is executed too late or too early in the health preserving kettle is avoided.
Description
Technical field
The present invention relates to family's electro-technical field, more particularly to a kind of anti-overflow detection method and health-promotion kettle.
Background technology
With the improvement of living standards, increasing people starts to focus on health, to pursue the life of high quality.It is based on
This, health-promotion kettle arises at the historic moment, and turns into people and boils the major appliances of health food materials.Health-promotion kettle mainly includes：Kettle body and lid are located at
Pot lid in kettle body, the bottom of kettle body have heater, are powered to health-promotion kettle, you can make heater to the soup in kettle body
Heated.
Current health-promotion kettle can boil tea, cook congee, boil white fungus, jujube, flowers and plants, fruit etc., and these food materials are in the process of boiling
In easily produce foam, so as to easily cause excessive kettle, cause soup to flow on table top, inconvenience brought to user.Market
On thus there is the health-promotion kettle with anti-overflow detection function, a kind of common method is a piece anti-overflow spy of setting in kettle body
Pin, detect whether the soup in kettle body will overflow by the capacitance variation of anti-overflow probe, and then decide whether to be prevented
Overflow and control.Specifically, when the vacuole moved up in kettle body contacts anti-overflow probe, the capacitance of anti-overflow probe can change, and lead to
The capacitance crossed before anti-overflow probe to be touched to water is compared with the capacitance after tactile water, you can judges that the soup in kettle body will
Overflow, so as to stop heating to prevent from overflowing.
But the capacitance of anti-overflow probe can also be very different under different temperature environments, thus can be to anti-overflow
The sensitivity and the degree of accuracy of detection have an impact, and health-promotion kettle anti-overflow control is occurred and perform too late or too early phenomenon.
The content of the invention
In view of this, the present invention provides a kind of anti-overflow detection method and health-promotion kettle, for improving the sensitivity of anti-overflow detection
And the degree of accuracy.
To achieve these goals, in a first aspect, the present invention provides a kind of anti-overflow detection method, applied to health-promotion kettle, support
The first anti-flow electrode and the second anti-flow electrode are provided with the pot lid of raw kettle, the first anti-flow electrode is stretched into the inner chamber of health-promotion kettle
Length is longer than the length that the second anti-flow electrode is stretched into inner chamber, and this method includes：
Detect the first capacitance of the first anti-flow electrode and the second capacitance of the second anti-flow electrode；
Judged whether to according to the capacitive differential and default capacitance threshold value of the first capacitance and the second capacitance anti-overflow
Control.
First capacitance of the first anti-flow electrode set by detecting in health-promotion kettle and the second electricity of the second anti-flow electrode
Capacitance, the capacitive differential and default capacitance threshold value of the first capacitance and the second capacitance are compared and judge whether to prevent
Overflow and control, the shadow of environment temperature first anti-flow electrode longer to length is eliminated using the second shorter anti-flow electrode of length
Ring, so as to improve the sensitivity of anti-overflow detection and the degree of accuracy, avoid health-promotion kettle from anti-overflow control occur and perform too late or mistake
Early phenomenon.
As a kind of optional embodiment of the present invention, according to the capacitive differential of the first capacitance and the second capacitance and in advance
If capacitance threshold value judge whether to anti-overflow control, specifically include：
The average value of the first capacitance of the predetermined number continuously detected and the average value of the second capacitance are calculated respectively；
Judge that the average value of the first capacitance subtracts the capacitive differential of the average value of the second capacitance and whether is more than or equal to
Capacitance threshold value；
If so, then carry out anti-overflow control.
Capacitance difference is calculated by the average value of multiple first capacitances that continuously detects and the average value of the second capacitance
Value, and then anti-overflow control is judged whether to, the accuracy of judged result can be improved.
As a kind of optional embodiment of the present invention, this method also includes：
After the first preset time period, control health-promotion kettle is heated with carrying out the heating power before anti-overflow control again.This
Sample can improve the effect that boils of soup in health-promotion kettle.
As a kind of optional embodiment of the present invention, this method also includes：
If it is not, then control health-promotion kettle continues to heat.
As a kind of optional embodiment of the present invention, the first capacitance and the second anti-overflow electricity of the first anti-flow electrode of detection
Second capacitance of pole, is specifically included：
With prefixed time interval be periodically detected the first anti-flow electrode the first capacitance and the second anti-flow electrode second
Capacitance.
As a kind of optional embodiment of the present invention, the first capacitance and the second anti-overflow electricity of the first anti-flow electrode of detection
Second capacitance of pole, is specifically included：
After health-promotion kettle begins to warm up the second preset time period, the first capacitance and second that detect the first anti-flow electrode are prevented
Second capacitance of excessive electrode.Electric energy can so be saved.
As a kind of optional embodiment of the present invention, carry out anti-overflow control and specifically include：Health-promotion kettle is controlled to stop heating.
Can so it prevent health-promotion kettle from overflowing.
As a kind of optional embodiment of the present invention, carry out anti-overflow control and specifically include：Reduce the heating work(of health-promotion kettle
Rate.It can so continue to heat the soup in health-promotion kettle, reach and preferably boil while preventing health-promotion kettle from overflowing
Effect.
Second aspect, the present invention provide a kind of health-promotion kettle, including：Kettle body, lid are located at pot lid in kettle body and positioned at kettle body
In control panel, be provided with the first anti-flow electrode and the second anti-flow electrode, the first anti-flow electrode and the second anti-flow electrode on pot lid
Electrically connected with control panel, the length that the first anti-flow electrode is stretched into the inner chamber of health-promotion kettle is longer than the second anti-flow electrode and stretches into inner chamber
In length, control panel is used to perform method described in above-mentioned first aspect any embodiment.
The insulating pot that above-mentioned second aspect is provided, its advantage may refer to above-mentioned first aspect and first aspect
Beneficial effect caused by each possible embodiment, will not be repeated here.
As a kind of optional embodiment of the present invention, there is micro- capacitive detection circuit, the first anti-flow electrode on control panel
Electrically connected by first resistor with micro- capacitive detection circuit, the second anti-flow electrode passes through second resistance and micro- capacitive detection circuit electricity
Connection.The electric capacity on the first anti-flow electrode and the second anti-flow electrode so can be more accurately detected, and difference can be met
The capacitance detecting of sensitivity requirement.
As a kind of optional embodiment of the present invention, micro- capacitive detection circuit is touch chip.Electricity can so be improved
Road integrated level.
The construction of the present invention and its other goals of the invention and beneficial effect will be in conjunction with the accompanying drawings to preferred real
Apply the description of example and more obvious understandable.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the anti-overflow detection method that the embodiment of the present invention one provides；
Fig. 2 is that the method flow provided in an embodiment of the present invention that anti-overflow control is judged whether to according to capacitive differential is illustrated
Figure；
Fig. 3 is the schematic flow sheet for the anti-overflow detection method that the embodiment of the present invention two provides；
Fig. 4 is the structural representation of health-promotion kettle provided in an embodiment of the present invention；
Fig. 5 is the circuit catenation principle figure of health-promotion kettle provided in an embodiment of the present invention.
Description of reference numerals：
1- kettle bodies；2- pot lids；
3- control panels；The anti-flow electrodes of 4- first；
The anti-flow electrodes of 5- second；6- heaters；
7- power panels；
11- inner bags；12- shells；
13- handles.
Embodiment
The schematic flow sheet for the anti-overflow detection method that Fig. 1 provides for the embodiment of the present invention one, the method that the present embodiment provides
Applied to health-promotion kettle, the first anti-flow electrode and the second anti-flow electrode are provided with the pot lid of health-promotion kettle, the first anti-flow electrode stretches into
Length in the inner chamber of health-promotion kettle is longer than the length that the second anti-flow electrode is stretched into inner chamber, as shown in figure 1, what the present embodiment provided
Method may include steps of：
S101, the first capacitance for detecting the first anti-flow electrode and the second anti-flow electrode the second capacitance.
Specifically, the first anti-flow electrode and the second anti-flow electrode be when being not in contact with liquid (such as water), with health-promotion kettle inner chamber
In air contact, capacitance all very littles, close to zero；When the first anti-flow electrode and the second anti-flow electrode touch liquid, electricity
Capacitance can great changes will take place.In the present embodiment, it is anti-that length that the first anti-flow electrode is stretched into the inner chamber of health-promotion kettle is longer than second
The length that excessive electrode is stretched into inner chamber, when the soup in health-promotion kettle inner chamber is when caused vacuole moves up during boiling, then can
The first anti-flow electrode is touched first, therefore can be according to the variable quantity of the first capacitance of the first longer anti-flow electrode of length
To judge whether the soup in health-promotion kettle will overflow；In addition, in the present embodiment, the first anti-flow electrode and the second anti-flow electrode
Structure is similar, and residing environment is similar, and the second electricity that is similar, therefore may be referred to the second anti-flow electrode is influenceed by environment temperature
The variable quantity of capacitance corrects the variable quantity of the first capacitance, eliminates influence of the environment temperature to anti-overflow detection, improves anti-overflow inspection
The sensitivity and the degree of accuracy of survey.
In the present embodiment, there is control panel in the kettle body of health-promotion kettle, the first anti-flow electrode and the second anti-flow electrode with control
Making sheet is electrically connected, and the capacitance of the first anti-flow electrode and the second anti-flow electrode can be detected by control panel.In specific detection,
Control panel can be periodically detected with prefixed time interval the first anti-flow electrode the first capacitance and the second anti-flow electrode
Two capacitances.The prefixed time interval for example can be 10ms, i.e., control panel is every 10ms first anti-flow electrode of detection
Second capacitance of the first capacitance and the second anti-flow electrode, in specific set, the prefixed time interval can be according to health
The heating power of kettle and the structure choice of health-promotion kettle, the present embodiment are not specially limited.Such as：For heating power it is smaller or
The structure that the heater of health-promotion kettle is heated across the inner bag of health-promotion kettle to the liquid in inner bag, the prefixed time interval can
To select the slightly long period (such as 10ms)；It is larger or the heater of health-promotion kettle connects directly with inner bag for heating power
The structure heated to the liquid in inner bag is connect, the prefixed time interval can select the slightly shorter period (such as 8ms).
In addition, when health-promotion kettle is just begun to warm up, the fluid temperature in health-promotion kettle inner chamber is relatively low, will not now produce vacuole
Overflow upwards, therefore, the first electric capacity of the first anti-flow electrode after health-promotion kettle begins to warm up the second preset time period, can be detected
Second capacitance of value and the second anti-flow electrode, to save electric energy.Second preset time period can be for example 1 minute, have
Body can also be also not specially limited when setting according to the power of heat-generating pipe and the structure choice of insulating pot, the present embodiment.
S102, judged whether to according to the capacitive differential and default capacitance threshold value of the first capacitance and the second capacitance
Anti-overflow control.
In the present embodiment, difference operation is carried out to eliminate environment temperature especially by by the first capacitance and the second capacitance
Influence to the first capacitance.Specifically, before vacuole of first anti-flow electrode in contact health-promotion kettle inner chamber, it is anti-with second
The environment temperature overflow residing for electrode is similar with humidity, both capacitance approximately equals；When the first anti-flow electrode touches vacuole
Afterwards, the capacitance of the first anti-flow electrode and the capacitance of the second anti-flow electrode are subjected to difference operation, it is possible to determine first
Capacitance change (i.e. the capacitive differential of first capacitance and second capacitance) of the anti-flow electrode before and after vacuole is contacted, that is, pass through
The capacitance (the second capacitance) of second anti-flow electrode eliminates capacitance (first electric capacity of the environment temperature to the first anti-flow electrode
Value) influence, can thus improve the sensitivity and the degree of accuracy of anti-overflow detection, avoid health-promotion kettle from anti-overflow control occur and performed
Late or too early phenomenon.
When the first anti-flow electrode touches vacuole, capacitance can great changes will take place, thus can set an electric capacity
Threshold value, the capacitive differential of the first capacitance and the second capacitance and the magnitude relationship of capacitance threshold value are judged, to determine that first is anti-overflow
Whether electrode touches vacuole, and then determines whether to carry out anti-overflow control.Wherein, the capacitance threshold value specifically can be anti-according to first
Electricity of the anti-flow electrode of the structure and parameter determination of excessive electrode, the second anti-flow electrode, different structure and parameter under same environment
Capacitance also can difference；In the present embodiment, the capacitance threshold value can be determined according to experimental results, such as：First is anti-
When vacuole rises to the first anti-flow electrode position, the capacitance of the first anti-flow electrode is 3000 for excessive electrode and the second anti-flow electrode
μ F, the capacitance of the second anti-flow electrode is 1800 μ F, then capacitance threshold value could be arranged to (3000-1800)/2=600 μ F.
, can be by multiple first capacitances for continuously detecting in the present embodiment in order to improve the accuracy of judged result
Average value and the average value of the second capacitance calculate capacitive differential, and then judge whether to anti-overflow control.Specific method
Fig. 2 is may refer to, Fig. 2 is the method flow provided in an embodiment of the present invention that anti-overflow control is judged whether to according to capacitive differential
Schematic diagram, as shown in Fig. 2 above-mentioned steps S102 specifically may include steps of：
S201, the average value of the first capacitance for calculating the predetermined number continuously detected respectively and being averaged for the second capacitance
Value.
Specifically, the predetermined number should not be excessive, in order to avoid deterministic process is oversize, in the present embodiment, predetermined number is preferably 3
It is individual, also illustrate technical scheme so that predetermined number is 3 as an example below.
After health-promotion kettle begins to warm up the second preset time period, control panel detects every prefixed time interval (such as 10ms)
The capacitance of first anti-flow electrode and the second anti-flow electrode, difference fortune is carried out after obtaining the first capacitance and the second capacitance
Calculate, obtain capacitive differential.Before difference operation is carried out, the first capacitance of continuous 3 times calculating is added divided by 3, obtains the
The average value of one capacitance；The second capacitance addition continuous 3 times calculating divided by 3, obtains the average value of the second capacitance,
Exactly calculate the average value of the first capacitance in 30ms and the average value of the second capacitance.
S202, judge the first capacitance average value subtract the average value of the second capacitance capacitive differential whether be more than or
Equal to capacitance threshold value, if so, then performing step S203；If it is not, then perform step S204.
After the average value of the average value of the first capacitance and the second capacitance is obtained, difference operation can be carried out and obtain electricity
Tolerance, specifically, the average value of the first capacitance can be subtracted into being averaged for the second capacitance is worth to capacitive differential；Then
By capacitive differential compared with default capacitance threshold value, when capacitive differential is more than or equal to the capacitance threshold value, determine that first is anti-overflow
Electrode touches vacuole, and the soup in health-promotion kettle has spilling dangerous；When capacitive differential is less than the capacitance threshold value, determine that first is anti-
Electrode overflow not in contact with to vacuole, the soup in health-promotion kettle does not overflow danger.
S203, then carry out anti-overflow control.
As described above, when capacitive differential is more than or equal to capacitance threshold value, illustrate that the first anti-flow electrode touches vacuole, support
Soup in raw kettle has spilling dangerous, can now carry out anti-overflow control, prevent the soup spill in health-promotion kettle.Specifically carrying out
During anti-overflow control, health-promotion kettle can be controlled to stop heating, the heating power of health-promotion kettle can also be reduced.
In addition, some soups need higher heating-up temperature just to reach the effect that preferably boils, thus, the present embodiment
In, can be after anti-overflow control be carried out, after the first preset time period, before controlling health-promotion kettle again to carry out anti-overflow control
Heating power heating, can so ensure that the soup in health-promotion kettle reaches and preferably boil effect.First preset time period
It can be determined according to the effect of anti-overflow control, i.e., according to after anti-overflow control, soup returns to non-overflow shape from overflow state
Time required for state determines that, if control health-promotion kettle stops heating, first preset time period is relatively short；If reduce health
The heating power of kettle, then first preset time period is relatively long.
S204, control health-promotion kettle continue to heat.
When capacitive differential is less than capacitance threshold value, illustrate the first anti-flow electrode not in contact with to vacuole, the soup in health-promotion kettle
Danger is not overflowed, now health-promotion kettle can be controlled to continue to heat.
The present embodiment provide health-promotion kettle, by detect the first anti-flow electrode set in health-promotion kettle the first capacitance and
Second capacitance of the second anti-flow electrode, the capacitive differential and default capacitance threshold value of the first capacitance and the second capacitance are entered
Whether row multilevel iudge carries out anti-overflow control, and it is longer to length to eliminate environment temperature using the second shorter anti-flow electrode of length
The first anti-flow electrode influence, so as to improve the sensitivity of anti-overflow detection and the degree of accuracy, avoid health-promotion kettle occur it is anti-overflow
Control performs too late or too early phenomenon.
Fig. 3 is the schematic flow sheet for the anti-overflow detection method that the embodiment of the present invention two provides, and the present embodiment is above-mentioned Fig. 1 institutes
Show a kind of more specifically embodiment of embodiment.As shown in figure 3, the method that the present embodiment provides can include following step
Suddenly：
S301, after health-promotion kettle begins to warm up the second preset time period, it is anti-to be periodically detected first with prefixed time interval
The first capacitance of electrode of overflowing and the second capacitance of the second anti-flow electrode.
Specifically, when health-promotion kettle is just begun to warm up, the fluid temperature in health-promotion kettle inner chamber is relatively low, will not now produce liquid
Bubble overflows upwards, in the present embodiment, after health-promotion kettle begins to warm up the second preset time period, and the first of the first anti-flow electrode of detection
Second capacitance of capacitance and the second anti-flow electrode, can save electric energy.Other explanations of the step refer to above-mentioned implementation
The corresponding step S101 of example one associated description, is not being repeated herein.
S302, the average value of the first capacitance for calculating the predetermined number continuously detected respectively and being averaged for the second capacitance
Value.
In the present embodiment, by the average value of multiple first capacitances that continuously detects and the average value of the second capacitance come
Capacitive differential is calculated, and then judges whether to anti-overflow control, to improve the accuracy of judged result.Illustrate and refer to
The description that step S201 is corresponded in embodiment one is stated, is not being repeated herein.
S303, judge the first capacitance average value subtract the average value of the second capacitance capacitive differential whether be more than or
Equal to capacitance threshold value, if so, then performing step S304；If it is not, then perform step S306.
In the present embodiment, after the average value of the average value of the first capacitance and the second capacitance is obtained, by the first electric capacity
The average value of value subtracts being averaged for the second capacitance and is worth to capacitive differential；Then by capacitive differential and default capacitance threshold value ratio
Compared with when capacitive differential is more than or equal to the capacitance threshold value, determining that the first anti-flow electrode touches vacuole；When capacitive differential is less than
During the capacitance threshold value, determine the first anti-flow electrode not in contact with to vacuole.
S304, the heating power for then reducing health-promotion kettle.
If capacitive differential is more than or equal to capacitance threshold value, illustrate that the first anti-flow electrode touches vacuole, in health-promotion kettle
Soup has spilling dangerous, can now reduce the heating power of health-promotion kettle, prevent the soup spill in health-promotion kettle.Specifically, have
A little soups need long-time heating just to reach the effect that preferably boils, if direct when vacuole touches the first anti-flow electrode
Control health-promotion kettle to stop heating, can influence the effect that boils,, can be anti-by reducing the heating power of health-promotion kettle in this step
While only health-promotion kettle overflows, the effect that boils is improved.In the present embodiment when the cooking time of health-promotion kettle reaches default, then
Control health-promotion kettle stops heating or reducing heating power again being incubated.
S305, after the first preset time period, control health-promotion kettle added again with carrying out the heating power before anti-overflow control
Heat.
Specifically, some soups need higher heating-up temperature just to reach the effect that preferably boils, thus, this implementation
In example, after anti-overflow control is carried out, after the first preset time period, before controlling health-promotion kettle again to carry out anti-overflow control
Heating power heats, and can so ensure that the soup in health-promotion kettle reaches the effect that preferably boils.
S306, control health-promotion kettle continue to heat.
When capacitive differential is less than capacitance threshold value, illustrate the first anti-flow electrode not in contact with to vacuole, the soup in health-promotion kettle
Danger is not overflowed, can now control health-promotion kettle to continue to heat according to original heating power.
The health-promotion kettle that the present embodiment provides, passes through the average value and the second capacitance of multiple first capacitances of Continuous plus
Average value calculate capacitive differential, and then judge whether to anti-overflow control, can improve the accuracy of judged result.
Fig. 4 is the structural representation of health-promotion kettle provided in an embodiment of the present invention, and Fig. 5 is health provided in an embodiment of the present invention
The circuit catenation principle figure of kettle.As shown in Figure 4 and Figure 5, the health-promotion kettle that the present embodiment provides includes：Kettle body 1, lid are located at kettle body 1
On pot lid 2 and the control panel 3 in kettle body 1, be provided with the first anti-flow electrode 4 and the second anti-flow electrode 5 on pot lid 2,
One anti-flow electrode 4 and the second anti-flow electrode 5 electrically connect with the control panel 3, and the first anti-flow electrode 4 stretches into the inner chamber of health-promotion kettle
In length be longer than the length that the second anti-flow electrode 5 is stretched into inner chamber, control panel 3 is used to perform described in any of the above-described embodiment
Method.
Specifically, the first anti-flow electrode 4 and the second anti-flow electrode 5 are disposed on pot lid 2, the first anti-flow electrode 4
On the maximum stage line of health-promotion kettle inner chamber, to ensure when boiling of ordinary water level, vacuole will not touch the first anti-overflow electricity
Pole 4.Second anti-flow electrode 5 can set a shorter length, and the second anti-flow electrode is touched to avoid vacuole from rising too fast
5.In specific set, the first anti-flow electrode 4 and the second anti-flow electrode 5 can use insulating power supply mode, can also use non-
Insulating power supply mode.
There is micro- capacitive detection circuit, the first anti-flow electrode 4 passes through first resistor R1 and micro- capacitance detecting electricity on control panel 3
Road is electrically connected, and the second anti-flow electrode 5 is electrically connected by second resistance R2 with micro- capacitive detection circuit.Micro- capacitive detection circuit is used for
The capacitance of the first anti-flow electrode 4 and the second anti-flow electrode 5 is detected, micro- capacitive detection circuit can be specifically to touch chip,
It can also be the circuit that other can detect the discrete device that weak capacitive changes, preferably be used in the present embodiment and touch chip
(referring to Fig. 5), to improve circuit level.First resistor R1 and second resistance R2 resistance can be 100 Ω -2K Ω, pass through
Different resistances is selected, different capacitance detecting sensitivity requirements can be met.
Kettle body 1 can include inner bag 11 and shell 12, the liquid contained in inner bag 11 can be water or milk,
Other contain the liquid of water for beverage, tea, health soup etc., and this is not limited by the present invention, with liquid are foster in the present embodiment
It is illustrative exemplified by raw soup.In specific implementation, inner bag 11 can be metal inner tube 11, such as stainless steel inner container
11；Shell 12 can be plastic shell 12, and certainly, shell 12 can also be metal material, and inner bag 11 can also meet for other
The material of food sanitation safe.In addition, the side of shell 12 can also set handle 13, to facilitate taking for insulating pot；Handle
Button of uncapping can be set on 13, for controlling unlatching and the fastening of pot lid 2.When being powered, can be set on shell 12
Put electric connector or the base being of coupled connections with bottle body is set below bottle body, realize the power supply to insulating pot.Have in bottle body
There is heater 6, the liquid in inner bag 11 can be heated；Power panel 7 can be set in bottle body, and power panel 7 connects civil power
Live wire (L) and zero line (N), control panel 3 and heater 6 electrically connect (referring to Fig. 5) with power panel 7, supplied by power panel 7
Electricity.
Control panel 3 can be controlled when controlling heater 6 to heat by relay or controllable silicon etc..Control
Plate 3 can perform the method that above-mentioned Fig. 1-embodiment illustrated in fig. 3 provides, and its concrete operating principle is similar with beneficial effect, herein
Repeat no more.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (11)
1. a kind of anti-overflow detection method, applied to health-promotion kettle, the first anti-flow electrode and are provided with the pot lid of the health-promotion kettle
Two anti-flow electrodes, the length that first anti-flow electrode is stretched into the inner chamber of the health-promotion kettle are longer than second anti-flow electrode and stretched
Enter the length in the inner chamber, it is characterised in that methods described includes：
Detect the first capacitance of first anti-flow electrode and the second capacitance of second anti-flow electrode；
Judged whether to according to the capacitive differential and default capacitance threshold value of first capacitance and second capacitance
Anti-overflow control.
2. according to the method for claim 1, it is characterised in that described according to first capacitance and second electric capacity
The capacitive differential of value and default capacitance threshold value judge whether to anti-overflow control, specifically include：
The average value of first capacitance and being averaged for second capacitance of the predetermined number continuously detected are calculated respectively
Value；
Judge first capacitance average value subtract the average value of second capacitance capacitive differential whether be more than or
Equal to the capacitance threshold value；
If so, then carry out anti-overflow control.
3. according to the method for claim 2, it is characterised in that methods described also includes：
After the first preset time period, the health-promotion kettle is controlled again to carry out the heating of the heating power before anti-overflow control.
4. according to the method for claim 2, it is characterised in that methods described also includes：
If it is not, the health-promotion kettle is then controlled to continue to heat.
5. according to the method for claim 2, it is characterised in that the first capacitance of detection first anti-flow electrode
With the second capacitance of second anti-flow electrode, specifically include：
First capacitance of first anti-flow electrode and second anti-flow electrode are periodically detected with prefixed time interval
Second capacitance.
6. according to the method for claim 1, it is characterised in that the first capacitance of detection first anti-flow electrode
With the second capacitance of second anti-flow electrode, specifically include：
After the health-promotion kettle begins to warm up the second preset time period, the first capacitance and the institute of first anti-flow electrode are detected
State the second capacitance of the second anti-flow electrode.
7. according to the method for claim 1, it is characterised in that the anti-overflow control of progress specifically includes：Control described support
Raw kettle stops heating.
8. according to the method for claim 1, it is characterised in that the anti-overflow control of progress specifically includes：Reduce described support
The heating power of raw kettle.
9. a kind of health-promotion kettle, including：Kettle body, lid are located at the pot lid in the kettle body and the control panel in the kettle body, its
It is characterised by, the first anti-flow electrode and the second anti-flow electrode, first anti-flow electrode and described is provided with the pot lid
Two anti-flow electrodes electrically connect with the control panel, the length length that first anti-flow electrode is stretched into the inner chamber of the health-promotion kettle
In the length that second anti-flow electrode is stretched into the inner chamber, the control panel is used to perform such as any one of claim 1-8
Described method.
10. health-promotion kettle according to claim 9, it is characterised in that there is micro- capacitive detection circuit, institute on the control panel
State the first anti-flow electrode to electrically connect with micro- capacitive detection circuit by first resistor, second anti-flow electrode passes through second
Resistance electrically connects with micro- capacitive detection circuit.
11. health-promotion kettle according to claim 10, it is characterised in that micro- capacitive detection circuit is touch chip.
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| CN201710710819.0A CN107440512A (en) | 2017-08-18 | 2017-08-18 | Anti-overflow detection method and health preserving kettle |
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| CN201710710819.0A CN107440512A (en) | 2017-08-18 | 2017-08-18 | Anti-overflow detection method and health preserving kettle |
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| CN108245015A (en) * | 2017-12-12 | 2018-07-06 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking device |
| CN110558812A (en) * | 2018-06-06 | 2019-12-13 | 佛山市顺德区美的电热电器制造有限公司 | Anti-overflow device, anti-overflow control method, anti-overflow control system and induction cooker assembly |
| CN111134529A (en) * | 2018-11-06 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Heating control method, heating control device, medium and liquid heating container |
| CN111134533A (en) * | 2018-11-06 | 2020-05-12 | 佛山市顺德区美的电热电器制造有限公司 | Heating control method, heating control device, medium and liquid heating container |
| CN111214111A (en) * | 2018-11-23 | 2020-06-02 | 浙江苏泊尔家电制造有限公司 | Cooking utensil, anti-overflow method and cooking method |
| CN111728482A (en) * | 2020-05-28 | 2020-10-02 | 深圳拓邦股份有限公司 | Self-adaptive anti-overflow control method and device |
| CN113768359A (en) * | 2020-06-09 | 2021-12-10 | 浙江绍兴苏泊尔生活电器有限公司 | Overflow control method and device for electric heating kettle, electric heating kettle and storage medium |
| WO2022093821A1 (en) * | 2020-10-28 | 2022-05-05 | Keurig Green Mountain, Inc. | Beverage machine with non-isolated power supply for liquid contacting components |
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