CN108309092A - Food cooking machine and concentration detection method for food cooking machine - Google Patents
Food cooking machine and concentration detection method for food cooking machine Download PDFInfo
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- CN108309092A CN108309092A CN201710032028.7A CN201710032028A CN108309092A CN 108309092 A CN108309092 A CN 108309092A CN 201710032028 A CN201710032028 A CN 201710032028A CN 108309092 A CN108309092 A CN 108309092A
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- electrode
- slurries
- cooking machine
- food cooking
- concentration
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
- A47J43/0705—Parts or details, e.g. mixing tools, whipping tools for machines with tools driven from the upper side
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/06—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
Abstract
The present invention provides a kind of food cooking machine and for the concentration detection method of food cooking machine, wherein the food cooking machine includes：Fuselage, the fuselage have the cup body for containing slurries；Head buckles on the cup body, and first electrode is provided on the head, and the first electrode is completely immersed in the slurries；Wherein, the bottom of the cup body is provided with the matched second electrode of the first electrode, the first electrode and the second electrode for being detected to the concentration of the slurries.Technical scheme of the present invention, which realizes, is detected the concentration of slurry in food cooking machine, and then can realize the control to concentration of slurry, meets demand of the different user to concentration of slurry, is conducive to the usage experience for promoting user.
Description
Technical field
The present invention relates to cooking machine technical fields, and food material is used in particular to a kind of food cooking machine and one kind
The concentration detection method of reason machine.
Background technology
Currently, food cooking machine is essentially all to be worked by pre-set program, for example soy bean milk making machine is being beaten
It is to be polished by pre-set program, soy bean milk making machine can not judge the soymilk concentration polished, certainly when grinding soya-bean milk
The concentration of soya-bean milk can not just be controlled, flexibility is poor.And due to the taste of different consumers difference, to soymilk concentration
It is required that it is also different, therefore existing soy bean milk making machine cannot be satisfied otherness demand of the consumer to soymilk concentration.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, an object of the present invention is to provide a kind of food cooking machine, the concentration of slurries can be examined
It surveys, and then can realize the control to concentration of slurry, meet demand of the different user to concentration of slurry, be conducive to promote user
Usage experience.
It is another object of the present invention to propose a kind of concentration detection method for food cooking machine.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of food cooking machine, packet
It includes：Fuselage, the fuselage have the cup body for containing slurries；Head buckles on the cup body, and first is provided on the head
Electrode, the first electrode are completely immersed in the slurries；Wherein, the bottom of the cup body is provided with and the first electrode phase
The second electrode of cooperation, the first electrode and the second electrode are for being detected the concentration of the slurries.
Food cooking machine according to an embodiment of the invention, by the way that the be completely immersed in slurries first electricity is arranged on head
Pole, and second electrode is set in the bottom of cup body so that first electrode and second electrode can cooperate to the electricity to slurries
Conductance is detected, and there are linear dependences between the concentration of slurries and conductivity, therefore can be based on the conductance detected
Rate carrys out the concentration of indirect detection slurries.As it can be seen that technical scheme of the present invention passes through the cooperation according to first electrode and second electrode
To be detected to the concentration of slurries so that food cooking machine can know concentration of slurry, and then can feed back concentration of slurry
To user, so that user is adjusted, while food cooking machine can also carry out the work to food cooking machine according to the demand of user
It is adjusted accordingly as parameter, with the concentration of indirect control slurries, meets demand of the different user to concentration of slurry, be conducive to
Promote the usage experience of user.
Food cooking machine according to the abovementioned embodiments of the present invention can also have following technical characteristic：
According to one embodiment of present invention, crushing knife is provided on the head, the crushing knife is completely immersed in described
In slurries, the first electrode is in the plane where the crushing knife and between the liquid level of the slurries.
In this embodiment, by the plane where making first electrode be in crushing knife and between the liquid level of slurries so that
It can either ensure that first electrode is under the liquid level of slurries, can also ensure that first electrode does not touch crushing knife.
According to one embodiment of present invention, be additionally provided with third electrode on the head, the third electrode with it is described
Second electrode matches, and is detected with the liquid level to the slurries.
Preferably, third electrode can be anti-flow electrode, i.e. third electrode can trigger anti-overflow behaviour when detecting liquid level
Make.When third electrode is anti-flow electrode, first electrode is than anti-flow electrode closer to the bottom of the cup body, and slurries are quiet
The liquid level set under state is in the position between first electrode and third electrode.Certainly, third electrode can also be to the liquid of slurries
Position is detected, and is used not only as anti-flow electrode.
Wherein, first electrode can have following several set-up modes with third electrode：
Mode one：
The first electrode and the third electrode are mutual indepedent, and the different location on the head.
In mode one, between first electrode and third electrode not only independently of each other, but also the difference on head
Position.
Mode two：
The first electrode and the third electrode are mutual indepedent, and the first electrode passes through insulation with the third electrode
Part is connected, and the first electrode than the third electrode closer to the bottom of the cup body.
In mode two, first electrode and third electrode are mutual indepedent, but the two is connected by insulating part, in this way can be with
Avoid causing the problem of handpiece structure complexity in the different location setting multiple electrodes of head.
Mode three：
It is provided with test electrode on head, insulating layer is arranged on the test electrode, with the shape on the test electrode
At two exposed segment electrodes, wherein electric for described first close to a segment electrode of the bottom of the cup body in two segment electrode
Pole, another segment electrode are the third electrode.
In mode three, first electrode and third electrode are in the different location of the same electrode, in order to which ensure can either
The concentration of slurries is detected, the liquid level of slurries can be also detected, the set-up mode of mode three needs to ensure slurries
Liquid level under static condition is in the position between the first electrode and the third electrode.
According to one embodiment of present invention, above-mentioned food cooking machine further includes：Temperature sensor, setting is described the
On one electrode.
In this embodiment, since first electrode is completely immersed in slurries, by the way that temperature sensor is arranged
On the first electrode so that temperature sensor can be contacted directly with slurries, and then can be accurately detected slurries
Temperature.
Preferably, the first electrode is hollow structure, and the temperature sensor is arranged in the inside of the first electrode.
By being arranged temperature sensor in the inside of first electrode so that it can either ensure accurately to detect the temperature of slurries,
Also it can avoid the problem that temperature sensor being arranged causing unsightly, easily to accidentally touch in the outside of first electrode, and walk
Line is simple (conducting wire directly can be connected internally to control circuit board by first electrode).
According to one embodiment of present invention, the bottom of the cup body is provided with mill, and the second electrode is arranged in institute
It states on mill.
A kind of embodiment according to the second aspect of the invention, it is also proposed that Concentration Testing side for food cooking machine
Method is detected for the concentration of slurry in the cup body to the food cooking machine described in any one of above-described embodiment, the concentration
Detection method includes：
When the first electrode is completely immersed in the slurries, detect between the first electrode and the second electrode
The first voltage value and flow through the first current value of the slurries；
According to the first voltage value, first current value, the parameter of the first electrode and the first electrode
With the position relationship between the second electrode, the conductivity of the slurries is calculated；
According to the relationship between the conductivity and conductivity and concentration of the slurries, the concentration of the slurries is calculated.
Concentration detection method according to an embodiment of the invention for food cooking machine, due to the concentration and conductance of slurries
There are linear dependences between rate, therefore are detected by the conductivity to slurries, can based on the conductivity detected come
The concentration of indirect detection slurries realizes detection of the food cooking machine to concentration of slurry.The parameter of first electrode includes the first electricity
The cross-sectional diameter of pole, length of first electrode etc., the position relationship between first electrode and second electrode includes first electrode
The distance between second electrode, relative position etc..
Wherein, after detecting the concentration of slurries, the concentration of slurry detected can be fed back to use by food cooking machine
Family, so that user is adjusted, while food cooking machine can also carry out the ginseng of the work to food cooking machine according to the demand of user
Number adjusts accordingly, and with the concentration of indirect control slurries, meets demand of the different user to concentration of slurry, is conducive to be promoted
The usage experience of user.
According to one embodiment of present invention, it is additionally provided on the head and the first electrode mutually independent
Three electrodes, and the third electrode is for the case where being matched with the second electrode to be detected to the liquid level of the slurries
Under, the concentration detection method further includes：
When being connected between the third electrode and the second electrode, the third electrode and the second electrode are detected
Between second voltage value and flow through the second current value of the slurries；
According to the second voltage value, second current value, the parameter of the third electrode, the third electrode and institute
The conductivity for stating the position relationship and the calculated slurries between second electrode calculates the third electrode and immerses institute
State the length in slurries；Wherein, the calculation formula of the conductivity s of the slurries is：
S=I × L/ (d × h × U)
Wherein, d is electrode diameter, and h is the concentration determination segment length of electrode, and L is between second electrode and third electrode
The shortest distance, I and U are respectively that the electric current and voltage for flowing through solution segments are tested out by external circuit；
The length in the slurries is immersed according to the installation position of the third electrode and the third electrode, described in calculating
The liquid level of slurries.
In this embodiment, when conductance that is mutual indepedent between first electrode and third electrode and having been detected by slurries
After rate, the length in slurries can be immersed come backwards calculation third electrode based on identical principle, and then be based on third electrode
Installation position and the length that immerses in slurries of third electrode calculate the liquid level of slurries.Wherein, the parameter of third electrode includes
The cross-sectional diameter of third electrode, the length etc. of third electrode, position relationship between third electrode and second electrode include the
The distance between three electrodes and second electrode, relative position etc..
According to one embodiment of present invention, it is provided with test electrode on the head, and leads on the test electrode
Cross be arranged insulating layer form the first electrode and for matched with the second electrode to the liquid levels of the slurries into
In the case of the third electrode of row detection, the concentration detection method further includes：
Detection flows through the third current value of the slurries；
According to the first voltage value, parameter, the test electrode and the institute of the third current value, the test electrode
The conductivity of the position relationship and the calculated slurries between second electrode is stated, the test electrode is calculated and immerses institute
State the length in slurries；
According to installation position on the test electrode of the test installation position of electrode, the insulating layer and described
Test electrode immerses the length in the slurries, calculates the liquid level of the slurries.
In this embodiment, when on test electrode by be arranged insulating layer formed first electrode and third electrode and
After having been detected by the conductivity of slurries, the length in slurries can be immersed come backwards calculation test electrode based on identical principle
Degree, and then slurries are immersed in the installation position and test electrode of the installation position based on test electrode, insulating layer on test electrode
Interior length calculates the liquid level of slurries.
Wherein, if test electrode is uniform cylindricality, the parameter for testing electrode is identical as the parameter of first electrode.
According to one embodiment of present invention, it is provided on the head for matching next pair with the second electrode
The third electrode that the liquid level of the slurries is detected, and in the case that the third electrode is anti-flow electrode, concentration inspection
Survey method further includes：
When being connected between the third electrode and the second electrode, anti-overflow operation is triggered.
Wherein, anti-overflow operation can reduce the heating power etc. of heating device.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 shows the structural schematic diagram of food cooking machine according to first embodiment of the invention；
Fig. 2 shows the separate structure schematic diagrames of food cooking machine shown in Fig. 1；
Fig. 3 shows the flow signal of the concentration detection method according to an embodiment of the invention for food cooking machine
Figure；
Fig. 4 shows the first structural schematic diagram of the food cooking machine of second embodiment according to the present invention；
Fig. 5 shows the separate structure schematic diagram of food cooking machine shown in Fig. 4；
Fig. 6 shows second of structural schematic diagram of the food cooking machine of second embodiment according to the present invention；
Fig. 7 shows the first structural schematic diagram of the food cooking machine of third embodiment according to the present invention；
Fig. 8 shows the separate structure schematic diagram of food cooking machine shown in fig. 7；
Fig. 9 shows second of structural schematic diagram of the food cooking machine of third embodiment according to the present invention；
Figure 10 shows the first structural schematic diagram of the food cooking machine of the 4th embodiment according to the present invention；
Figure 11 shows the separate structure schematic diagram of food cooking machine shown in Figure 10；
Figure 12 shows second of structural schematic diagram of the food cooking machine of the 4th embodiment according to the present invention；
Figure 13 shows the structural schematic diagram of the cup body of food cooking machine according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Embodiment one：
As depicted in figs. 1 and 2, food cooking machine according to first embodiment of the invention, including：Fuselage 1 and head
2.Wherein, fuselage 1 has the cup body 11 for containing slurries and the handle 12 being arranged on cup body 11；Head 2 buckles on cup body 11,
First electrode 3 is provided on head 2, first electrode 3 is completely immersed in slurries (the slurries page is as shown in phantom in Figure 1).Cup body
11 bottom, which is provided with, to be used for 3 matched second electrode 8 of first electrode, first electrode 3 and second electrode 8 to the dense of slurries
Degree is detected.First electrode 3 and second electrode 8 are connected by conducting wire with the control circuit board of food cooking machine.
Further, crushing knife 4 is provided on head 2, crushing knife 4 is completely immersed in slurries, and first electrode 3, which is in, to be crushed
Between plane and the liquid level of slurries where knife 4.
Optionally, Fig. 1 and food cooking machine shown in Fig. 2 further include：Temperature sensor in first electrode 3 is set
(not shown).Since first electrode 3 is completely immersed in slurries, by the way that temperature sensor setting is electric first
On pole 3 so that temperature sensor can be contacted directly with slurries, and then can be accurately detected the temperature of slurries.
Preferably, first electrode 3 is hollow structure, and temperature sensor is arranged in the inside of first electrode 3.By by temperature
Sensor is arranged in the inside of first electrode 3 so that can either ensure accurately to detect the temperature of slurries, can also avoid
By temperature sensor be arranged the outside of first electrode 3 cause unsightly, easily accidentally touch the problem of, and cabling simply (is led
Line directly can be connected internally to control circuit board by first electrode 3).
In embodiment one, by the way that the first electrode 3 being completely immersed in slurries is arranged on head 2, and in cup body 11
Second electrode 8 is set on bottom so that first electrode 3 and second electrode 8 can cooperate to carry out the conductivity of slurries
Detection, and there are linear dependences between the concentration of slurries and conductivity, therefore can be based on the conductivity detected come indirectly
Detect the concentration of slurries.
Specifically, the structure based on Fig. 1 and food cooking machine shown in Fig. 2, concentration detection method proposed by the present invention is such as
Shown in Fig. 3, including：
Step S30 detects the between first electrode 3 and second electrode 8 when first electrode 3 is completely immersed in slurries
One voltage value and the first current value for flowing through slurries；
Step S32, according to the first voltage value, first current value, the parameter of first electrode 3 and the first electricity
Position relationship between pole 3 and second electrode 8 calculates the conductivity of slurries；
Step S34 calculates the concentration of slurries according to the relationship between the conductivity and conductivity and concentration of slurries.
Since first electrode 3 and second electrode 8 are all in slurries, and there are conductive ion and solid content in slurries, because
Galvanic circle can be formed between this first electrode 3 and second electrode 8, and for different soymilk concentrations, 3 He of first electrode
Conductivity between second electrode 8 is also different.Wherein, the calculation formula of the conductivity s of slurries is：
S=I × L/ (d × h × U)
Wherein, d is electrode diameter, and h is the concentration determination segment length of electrode, and L is between first electrode and second electrode
The shortest distance, I and U are respectively that the electric current and voltage for flowing through solution segments are tested out by external circuit.It can be with by above-mentioned formula
The conductivity of slurries is calculated, and the concentration of slurries has very strong linear dependence with conductivity, concentration of slurry is higher, conductivity
It is bigger, so by testing out conductivity, by corresponding algorithm process, you can indirectly testing goes out concentration of slurry.
Embodiment two：
As shown in Figure 4, Figure 5 and Figure 6, the food cooking machine of second embodiment according to the present invention, including：1 He of fuselage
Head 2.Wherein, fuselage 1 has the cup body 11 for containing slurries and the handle 12 being arranged on cup body 11；Head 2 is buckled in cup body
On 11, first electrode 3 is provided on head 2, first electrode 3 is completely immersed in slurries (the slurries page is as shown in phantom in Figure 4).
The bottom of cup body 11, which is provided with, to be used for 3 matched second electrode 8 of first electrode, first electrode 3 and second electrode 8 to slurries
Concentration be detected.
Third electrode 5 is additionally provided on head 2, third electrode 5 is matched with second electrode 8, with the liquid level to slurries into
Row detection.Wherein, first electrode 3 and third electrode 5 are mutual indepedent, and the different location on head 2.First electrode 3,
Second electrode and third electrode 5 are connected by conducting wire with the control circuit board of food cooking machine.
Wherein, third electrode 5 can both be used as just anti-flow electrode, i.e., anti-overflow behaviour is just triggered when detecting liquid level
Make, the specific liquid level of slurries can also be detected.
Specifically, as shown in Figure 4 and Figure 5, third electrode 5 is anti-flow electrode, and first electrode 3 more connects than anti-flow electrode at this time
The bottom of nearly cup body 11, and liquid level of the slurries under static condition is in the position between first electrode 3 and third electrode 5.
As shown in fig. 6, when third electrode 5 is used to be detected the specific liquid level of slurries, due to third electrode 5 and first
Electrode 3 is independent from each other, therefore the lower end of third electrode 5 both can be contour with the lower end of first electrode 3, can also be compared
The lower end of first electrode 3 is closer to the bottom of cup body 11.In this case, the lower end of first electrode 3 can also compare third
The lower end of electrode 5 is closer to the bottom of cup body 11.
Further, crushing knife 4 is provided on head 2, crushing knife 4 is completely immersed in slurries, and first electrode 3, which is in, to be crushed
Between plane and the liquid level of slurries where knife 4.
Optionally, food cooking machine shown in fig. 4 to fig. 6 further includes：Temperature sensor in first electrode 3 is set
(not shown).Since first electrode 3 is completely immersed in slurries, by the way that temperature sensor setting is electric first
On pole 3 so that temperature sensor can be contacted directly with slurries, and then can be accurately detected the temperature of slurries.
Preferably, first electrode 3 is hollow structure, and temperature sensor is arranged in the inside of first electrode 3.By by temperature
Sensor is arranged in the inside of first electrode 3 so that can either ensure accurately to detect the temperature of slurries, can also avoid
By temperature sensor be arranged the outside of first electrode 3 cause unsightly, easily accidentally touch the problem of, and cabling simply (is led
Line directly can be connected internally to control circuit board by first electrode 3).
In addition it is also possible to be arranged temperature sensor on third electrode 5, such as it is arranged in the inside of third electrode 5.
In embodiment two, the scheme of the detection scheme of concentration of slurry as shown in figure 3 is identical.If third electrode 5 is to be used for
The specific liquid level of slurries is detected, then after detecting the conductivity of slurries by first electrode 3 and second electrode 8,
It can also be matched with second electrode 8 to be detected to the liquid level of slurries by third electrode 5, it is specific as follows：
When being connected between third electrode 5 and second electrode 8, the second electricity between detection third electrode 5 and second electrode 8
Pressure value and the second current value for flowing through slurries；
According to the second voltage value, second current value, the parameter of third electrode 5, third electrode 5 and second electrode
The conductivity of position relationship and calculated slurries between 8 calculates the length that third electrode 5 immerses in slurries；
The length in slurries is immersed according to the installation position of third electrode 5 and third electrode 5, calculates the liquid level of slurries.
In this embodiment, when electricity that is mutual indepedent between first electrode 3 and third electrode 5 and having been detected by slurries
After conductance, the length in slurries can be immersed come backwards calculation third electrode 5 based on identical principle, and then based on third electricity
Length that the installation position of pole 5 and third electrode 5 immerse in slurries calculates the liquid level of slurries.
Wherein, the parameter of third electrode 5 includes the length etc. of the cross-sectional diameter of third electrode 5, third electrode 5, third
Position relationship between electrode 5 and second electrode 8 includes the distance between third electrode 5 and second electrode 8, relative position etc..
The installation position of third electrode 5 includes distance from bottom of the lower end of third electrode 5 apart from cup body 11, naturally it is also possible to pass through phase
It adjusts the distance to indicate, such as position of the third electrode 5 relative to first electrode 3.
If third electrode 5 is merely possible to anti-flow electrode use, when being connected between third electrode 5 and second electrode,
Anti-overflow operation can directly be triggered.Wherein, anti-overflow operation can reduce the heating power etc. of heating device.
Embodiment three：
As shown in Figure 7, Figure 8 and Figure 9, the food cooking machine of third embodiment according to the present invention, including：1 He of fuselage
Head 2.Wherein, fuselage 1 has the cup body 11 for containing slurries and the handle 12 being arranged on cup body 11；Head 2 is buckled in cup body
On 11, first electrode 3 is provided on head 2, first electrode 3 is completely immersed in slurries (the slurries page is as shown in phantom in Figure 7).
The bottom of cup body 11, which is provided with, to be used for 3 matched second electrode 8 of first electrode, first electrode 3 and second electrode 8 to slurries
Concentration be detected.
Third electrode 5 is additionally provided on head 2, third electrode 5 is matched with second electrode, to be carried out to the liquid level of slurries
Detection.Wherein, first electrode 3 is mutual indepedent with third electrode 5, and first electrode 3 is connected with third electrode 5 by insulating part 6,
And first electrode 3 than third electrode 5 closer to the bottom of cup body 11.First electrode 3, second electrode 8 and third electrode 5 pass through
Conducting wire is connected with the control circuit board of food cooking machine.
Wherein, third electrode 5 can both be used as just anti-flow electrode, i.e., anti-overflow behaviour is just triggered when detecting liquid level
Make, the specific liquid level of slurries can also be detected.
Specifically, as shown in Figure 7 and Figure 8, when third electrode 5 is used to be detected the specific liquid level of slurries, insulating part 6
Can be shorter, the length of third electrode 5 is longer, in order to increase detection range of the third electrode 5 to liquid level.Due to third electrode
5 and first electrode 3 be independent from each other, therefore liquid level of the slurries under static condition both can in the position where insulating part 6,
Can also not have insulating part 6.
As shown in figure 9, when third electrode 5 is anti-flow electrode, insulating part 6 can be longer, the lower end distance of third electrode 5
The bottom of cup body 11 is farther out.At this point, liquid level of the slurries under static condition is in the position between first electrode 3 and third electrode 5
It sets, i.e. the liquid level of slurries should be at the position of insulating part 6.
Further, crushing knife 4 is provided on head 2, crushing knife 4 is completely immersed in slurries, and first electrode 3, which is in, to be crushed
Between plane and the liquid level of slurries where knife 4.
Optionally, Fig. 7 further includes to food cooking machine shown in Fig. 9：Temperature sensor in first electrode 3 is set
(not shown).Since first electrode 3 is completely immersed in slurries, by the way that temperature sensor setting is electric first
On pole 3 so that temperature sensor can be contacted directly with slurries, and then can be accurately detected the temperature of slurries.
Preferably, first electrode 3 is hollow structure, and temperature sensor is arranged in the inside of first electrode 3.By by temperature
Sensor is arranged in the inside of first electrode 3 so that can either ensure accurately to detect the temperature of slurries, can also avoid
By temperature sensor be arranged the outside of first electrode 3 cause unsightly, easily accidentally touch the problem of, and cabling simply (is led
Line directly can be connected internally to control circuit board by first electrode 3).
In addition it is also possible to be arranged temperature sensor on third electrode 5, such as it is arranged in the inside of third electrode 5.
In embodiment three, the scheme of the detection scheme of concentration of slurry as shown in figure 3 is identical.If third electrode 5 is to be used for
The specific liquid level of slurries is detected, then after detecting the conductivity of slurries by first electrode 3 and second electrode 8,
It can also be matched with second electrode 8 to be detected to the liquid level of slurries by third electrode 5, it is specific as follows：
When being connected between third electrode 5 and second electrode 8, the second electricity between detection third electrode 5 and second electrode 8
Pressure value and the second current value for flowing through slurries；
According to the second voltage value, second current value, the parameter of third electrode 5, third electrode 5 and second electrode
The conductivity of position relationship and calculated slurries between 8 calculates the length that third electrode 5 immerses in slurries；
The length in slurries is immersed according to the installation position of third electrode 5 and third electrode 5, calculates the liquid level of slurries.
In this embodiment, when electricity that is mutual indepedent between first electrode 3 and third electrode 5 and having been detected by slurries
After conductance, the length in slurries can be immersed come backwards calculation third electrode 5 based on identical principle, and then based on third electricity
Length that the installation position of pole 5 and third electrode 5 immerse in slurries calculates the liquid level of slurries.
Wherein, the parameter of third electrode 5 includes the length etc. of the cross-sectional diameter of third electrode 5, third electrode 5, third
Position relationship between electrode 5 and second electrode 8 includes the distance between third electrode 5 and second electrode 8, relative position etc..
The installation position of third electrode 5 includes distance from bottom of the lower end of third electrode 5 apart from cup body 11, naturally it is also possible to pass through phase
It adjusts the distance to indicate, such as position of the third electrode 5 relative to first electrode 3.
If third electrode 5 is merely possible to anti-flow electrode use, when being connected between third electrode 5 and second electrode,
Anti-overflow operation can directly be triggered.Wherein, anti-overflow operation can reduce the heating power etc. of heating device.
Example IV：
As shown in Figure 10, Figure 11 and Figure 12, the food cooking machine of the 4th embodiment according to the present invention, including：Fuselage 1
With head 2.Wherein, fuselage 1 has the cup body 11 for containing slurries and the handle 12 being arranged on cup body 11；Head 2 is buckled in cup
On body 11, first electrode 3 is provided on head 2, first electrode 3 is completely immersed in slurries (the slurries page is as shown in phantom in Figure 10)
It is interior.The bottom of cup body 11 be provided with 3 matched second electrode 8 of first electrode, first electrode 3 and second electrode 8 for pair
The concentration of slurries is detected.
Third electrode 5 is additionally provided on head 2, third electrode 5 is matched with second electrode 8, with the liquid level to slurries into
Row detection.Wherein, first electrode 3 and third electrode 5 are formed by being arranged insulating layer 7 on test electrode, specifically,
It tests electrode to be arranged on head 2, tests on electrode and be arranged with insulating layer 7, to form two sections of exposed electricity on test electrode
Pole close to a segment electrode of the bottom of cup body 11 is first electrode 3 in this two segment electrode, and another segment electrode is third electrode 5.It surveys
Examination electrode and second electrode 8 are connected by conducting wire with the control circuit board of food cooking machine.
As it can be seen that in example IV, the different piece of first electrode 3 and the substantially same electrode of third electrode 5.
Wherein, third electrode 5 can both be used as just anti-flow electrode, i.e., anti-overflow behaviour is just triggered when detecting liquid level
Make, the specific liquid level of slurries can also be detected.No matter third electrode 5 be is used as anti-flow electrode, or be used for pair
The specific liquid level of slurries is detected, and liquid level of the slurries under static condition is between first electrode 3 and third electrode 5
Position, the i.e. liquid level of slurries should be at the position of insulating layer 7.This is because third electrode 5 is needed when measuring specific liquid level
Learn the concentration of slurries, and concentration of slurry needs are measured by first electrode 3, and first electrode 3 is measuring concentration of slurry
When, third electrode 5 cannot be with slurry liquid contacts.
Specifically, as shown in Figure 10 and Figure 11, third electrode 5 is for when being detected to the specific liquid level of slurries, insulating
The length that layer 7 is arranged can be shorter, and then the length of third electrode 5 is longer, in order to increase detection of the third electrode 5 to liquid level
Range.
As shown in figure 12, when third electrode 5 is anti-flow electrode, the length that insulating layer 7 is arranged can be longer, third electrode 5
Lower end apart from the bottom of cup body 11 farther out.
Further, crushing knife 4 is provided on head 2, crushing knife 4 is completely immersed in slurries, and first electrode 3, which is in, to be crushed
Between plane and the liquid level of slurries where knife 4.
Optionally, food cooking machine shown in Figure 11 to Figure 13 further includes：Temperature sensor in first electrode 3 is set
(not shown).Since first electrode 3 is completely immersed in slurries, by the way that temperature sensor setting is electric first
On pole 3 so that temperature sensor can be contacted directly with slurries, and then can be accurately detected the temperature of slurries.
Preferably, first electrode 3 is hollow structure, and temperature sensor is arranged in the inside of first electrode 3.By by temperature
Sensor is arranged in the inside of first electrode 3 so that can either ensure accurately to detect the temperature of slurries, can also avoid
By temperature sensor be arranged the outside of first electrode 3 cause unsightly, easily accidentally touch the problem of, and cabling simply (is led
Line directly can be connected internally to control circuit board by first electrode 3).
In addition it is also possible to be arranged temperature sensor on third electrode 5, such as it is arranged in the inside of third electrode 5.
In example IV, the scheme of the detection scheme of concentration of slurry as shown in figure 3 is identical.If third electrode 5 is to be used for
The specific liquid level of slurries is detected, then after detecting the conductivity of slurries by first electrode 3 and second electrode, also
It can be matched with second electrode 8 to be detected to the liquid level of slurries by third electrode 5, it is specific as follows：
Detection flows through the third current value of slurries；
According to the first voltage value, the third current value, the parameter for testing electrode, test electrode and second electrode 8
Between position relationship and calculated slurries conductivity, calculate test electrode immerse slurries in length；
Slurry is immersed according to the installation position and test electrode of the installation position, insulating layer 7 of electrode on test electrode is tested
Length in liquid calculates the liquid level of slurries.
In this embodiment, when on test electrode by be arranged insulating layer 7 formed first electrode 3 and third electrode 5,
And after having been detected by the conductivity of slurries, it can be immersed in slurries come backwards calculation test electrode based on identical principle
Length, and then slurry is immersed in the installation position and test electrode of the installation position based on test electrode, insulating layer 7 on test electrode
Length in liquid calculates the liquid level of slurries.
Wherein, if test electrode is uniform cylindricality, the parameter for testing electrode is identical as the parameter of first electrode 3.
The technical solution of the embodiment is mainly used for food cooking machine and is heated and caused to slurries during the work time
The scene of liquid level of slurry is detected when liquid level rises to the position of third electrode 5.5 institute of third electrode is risen in liquid level of slurry
Position when, test electrode current-carrying part length increase, and then can pass through calculating test electrode immerse slurries in length
It spends to determine the liquid level of slurries.
If third electrode 5 is merely possible to anti-flow electrode use, when being connected between third electrode 5 and second electrode 8,
Anti-overflow operation can directly be triggered.Wherein, anti-overflow operation can reduce the heating power etc. of heating device.
For the food cooking machine described in any of the above-described embodiment, if the bottom of cup body 11 is provided with as shown in fig. 13 that
Then second electrode 8 can be arranged on mill 9 for mill 9.Certainly, in other embodiments of the invention, second electrode 8
It can be not arranged on mill 9.
Handle can also be set on head 2 in the above embodiment of the present invention, to facilitate user by head 2 from cup body 11
It takes out.The food cooking machine can be soy bean milk making machine, wall-breaking machine, Normal juice machine, juice extractor etc..
It is described in detail technical scheme of the present invention above in association with attached drawing, the present invention proposes a kind of food cooking machine and use
It in the concentration detection method of food cooking machine, realizes and the concentration of slurry in food cooking machine is detected, and then can be right
The control of concentration of slurry meets demand of the different user to concentration of slurry, is conducive to the usage experience for promoting user.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of food cooking machine, which is characterized in that including：
Fuselage (1), the fuselage (1) have the cup body (11) for containing slurries；
Head (2) buckles on the cup body (11), and first electrode (3), the first electrode are provided on the head (2)
(3) it is completely immersed in the slurries；
Wherein, the bottom of the cup body (11) be provided with the first electrode (3) matched second electrode (8), described
One electrode (3) and the second electrode (8) are for being detected the concentration of the slurries.
2. food cooking machine according to claim 1, which is characterized in that it is provided with crushing knife (4) on the head (2),
The crushing knife (4) is completely immersed in the slurries, the first electrode (3) be in plane where the crushing knife (4) with
Between the liquid level of the slurries.
3. food cooking machine according to claim 1, which is characterized in that be additionally provided with third electrode on the head (2)
(5), the third electrode (5) matches with the second electrode (8), is detected with the liquid level to the slurries.
4. food cooking machine according to claim 3, which is characterized in that the first electrode (3) and the third electrode
And the different location on the head (2) (5) independently of each other,.
5. food cooking machine according to claim 3, which is characterized in that the first electrode (3) and the third electrode
(5) independently of each other, the first electrode (3) is connected with the third electrode (5) by insulating part (6), and first electricity
The bottom of pole (3) cup body (11) more closer than the third electrode (5).
6. food cooking machine according to claim 3, which is characterized in that be provided with test electrode, institute on the head (2)
It states and is arranged with insulating layer (7) on test electrode, to form two exposed segment electrodes on the test electrode, wherein described two
Close to a segment electrode of the bottom of the cup body (11) it is the first electrode (3) in segment electrode, another segment electrode is described the
Three electrodes (5).
7. food cooking machine according to claim 3, which is characterized in that the third electrode (5) is anti-flow electrode, described
First electrode (3) is than the anti-flow electrode closer to the bottom of the cup body (11).
8. the food cooking machine described according to claim 6 or 7, which is characterized in that liquid level of the slurries under static condition
Position between the first electrode (3) and the third electrode (5).
9. food cooking machine according to any one of claim 1 to 7, which is characterized in that further include：Temperature sensor,
It is arranged in the first electrode (3).
10. food cooking machine according to claim 9, which is characterized in that the first electrode (3) is hollow structure, institute
Temperature sensor is stated to be arranged in the inside of the first electrode (3).
11. food cooking machine according to any one of claim 1 to 7, which is characterized in that the bottom of the cup body (11)
It is provided with mill (9), the second electrode (8) is arranged on the mill (9).
12. a kind of concentration detection method for food cooking machine, for the food as described in any one of claim 1 to 11
Concentration of slurry in the cup body of object cooking machine is detected, which is characterized in that including：
When the first electrode is completely immersed in the slurries, between the first electrode and the second electrode is detected
One voltage value and the first current value for flowing through the slurries；
According to the first voltage value, first current value, the parameter of the first electrode and the first electrode and institute
The position relationship between second electrode is stated, the conductivity of the slurries is calculated；
According to the relationship between the conductivity and conductivity and concentration of the slurries, the concentration of the slurries is calculated.
13. the concentration detection method according to claim 12 for food cooking machine, which is characterized in that in the head
On be additionally provided with the mutually independent third electrode of the first electrode, and the third electrode be used for and the second electrode phase
Cooperation is come in the case of being detected to the liquid level of the slurries, the concentration detection method further includes：
When being connected between the third electrode and the second electrode, detect between the third electrode and the second electrode
Second voltage value and flow through the second current value of the slurries；
According to the second voltage value, second current value, the parameter of the third electrode, the third electrode and described the
The conductivity of position relationship and the calculated slurries between two electrodes calculates the third electrode and immerses the slurry
Length in liquid；Wherein, the calculation formula of the conductivity s of the slurries is：
S=I × L/ (d × h × U)
Wherein, d is electrode diameter, and h is the concentration determination segment length of electrode, and L is most short between second electrode and third electrode
Distance, I and U are respectively that the electric current and voltage for flowing through solution segments are tested out by external circuit；
The length in the slurries is immersed according to the installation position of the third electrode and the third electrode, calculates the slurries
Liquid level.
14. the concentration detection method according to claim 12 for food cooking machine, which is characterized in that in the head
On be provided with test electrode, and formed on the test electrode by being arranged insulating layer the first electrode and for it is described
In the case of the third electrode that second electrode matches to be detected the liquid level of the slurries, the concentration detection method,
Further include：
Detection flows through the third current value of the slurries；
According to the first voltage value, the third current value, the test parameter of electrode, the test electrode and described the
The conductivity of position relationship and the calculated slurries between two electrodes calculates the test electrode and immerses the slurry
Length in liquid；
According to the installation position of the test electrode, the insulating layer in the installation position tested on electrode and the test
Electrode immerses the length in the slurries, calculates the liquid level of the slurries.
15. the concentration detection method according to claim 12 for food cooking machine, which is characterized in that in the head
On be provided with for matching the third electrode to be detected to the liquid level of the slurries, and described with the second electrode
In the case that three electrodes are anti-flow electrode, the concentration detection method further includes：
When being connected between the third electrode and the second electrode, anti-overflow operation is triggered.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112617613A (en) * | 2020-11-12 | 2021-04-09 | 纯米科技(上海)股份有限公司 | Method, device, equipment and medium for detecting cooking effect of rice |
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