CN107865558A - A kind of Intelligent water cup and its water detection method - Google Patents
A kind of Intelligent water cup and its water detection method Download PDFInfo
- Publication number
- CN107865558A CN107865558A CN201710883003.8A CN201710883003A CN107865558A CN 107865558 A CN107865558 A CN 107865558A CN 201710883003 A CN201710883003 A CN 201710883003A CN 107865558 A CN107865558 A CN 107865558A
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- China
- Prior art keywords
- cup
- water
- inner bag
- aluminium film
- microprocessor
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
- A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
-
- 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
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
- A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
- A47G2019/2238—Drinking glasses or vessels with means for amusing or giving information to the user with illumination means
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G19/00—Table service
- A47G19/22—Drinking vessels or saucers used for table service
- A47G19/2205—Drinking glasses or vessels
- A47G19/2227—Drinking glasses or vessels with means for amusing or giving information to the user
- A47G2019/2244—Drinking glasses or vessels with means for amusing or giving information to the user with sound emitting means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses a kind of Intelligent water cup, including inner bag shell and setting inside the shell, outer side sets LED, the outside of inner bag bottom sets temperature sensor, control board is set between the inner side of outer casing bottom and the outside of liner at the bottom, multiple aluminium films are set on the inside of the courage wall of inner bag, and aluminium film one end is connected to control board, and the aluminium film other end extends to rim of a cup；Control board includes microprocessor, bluetooth module, voice module and power module, and microprocessor is electrically connected with bluetooth module, voice module, power module, temperature sensor, aluminium film, LED, and bluetooth module is connected with mobile phone wireless.Intelligent water cup of the present invention can reach detection water in the cup capacity by aluminium film plate and judge the function whether water in cup is drunk up, simplify the canned program between cup inner bag and base, can effectively lift the service life of Intelligent water cup.The Intelligent water cup is simple in construction, and intelligence degree is high, easy to spread.
Description
Technical field
The present invention relates to Intelligent water cup technical field, more particularly to a kind of Intelligent water cup and its water detection method.
Background technology
It is every daily that number of patent application is that the Intelligent water cup scheme that 201310531353.X is provided discloses a kind of record user
When drink water the Intelligent water cup of situation, this cup detects the weight of whole cup to calculate water in the cup by pressure sensor
Weight, and the decrement of each water is sent to mobile phone terminal by wireless communication module, very row user drinks water according to quantity on time.But this
Kind cup does not judge the function that the water in cup has been disposed or drunk up.
Some Intelligent water cups are on the basis of this Intelligent water cup, by installing acceleration transducer additional and in rim of a cup in base
A touch sensor is installed additional the posture of cup is detected and whether touch rim of a cup to judge whether the water in cup is drunk up.This
Although kind of method is effective, the cup base for possessing pressure sensor requires all higher to designing and encapsulating.
To solve the above problems, the invention provides a kind of condenser type to detect liquid capacity in cup, and according to liquid capacity
Change judge Intelligent cup that whether water in cup is drunk up.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention be to provide a kind of Intelligent water cup and
Its water detection method, to solve the deficiencies in the prior art.
To achieve the above object, the invention provides in a kind of Intelligent water cup, including shell and setting inside the shell
Courage, the outer side set LED, and the outside of the inner bag bottom sets temperature sensor, the inner side of the outer casing bottom
Control board, the courage wall inner side multiple aluminium films of spaced set of the inner bag, institute are set between the outside of liner at the bottom
State aluminium film one end and be connected to control board, the aluminium film other end extends to rim of a cup；The control board includes micro-
Processor, bluetooth module, voice module and power module, the microprocessor and bluetooth module, voice module, power module,
Temperature sensor, aluminium film, LED electrical connection, the bluetooth module are connected with mobile phone wireless.
Further, the aluminium film is 8 or more than 8, and is even number.
Further, the aluminium film is oppositely arranged with the center line of inner bag in pairs in courage wall.
Further, the aluminium film is arc column shape.
Further, the inner bag is cylindric.
A kind of Intelligent water cup water detection method, comprises the following steps：
Step 1, when cup tilts, microprocessor calculates the electricity between the aluminium film that is arranged in pairs on the inside of the courage wall of inner bag
Capacitance C, the value of electric capacity are arranged in order from small to large, and the order of arrangement is C1, C2, C3 ... Cn；
Step 2, two capacitances of adjacent size are made to subtract each other to obtain △ C, i.e. △ C1=C2-C1, △ C2=C3-C2 ...
△ Cn=Cn+1-Cn, because the aluminium film on the inside of courage wall equidistantly arranges, then △ C=△ C1=△ C2=...=△ Cn；
The gradient direct proportionality of step 3, the △ C values of basis with cup, i.e.,Wherein, k is and cup
The radius of son, the height of the aluminium sheet proportionality constant related to width,Angle between cup and vertical direction, microprocessor
CalculateValue；
Step 4, in the case where cup and aluminium sheet are fixed, the rate Δ Q that change with time of the water Q in cup tilt with cup
DegreeRate of changeDirect proportionality, microprocessor pass throughCalculate Δ Q values；
Step 5, when Δ Q is less than a fixed scale value c, judge that the water in cup is drunk up；When Δ Q is more than c, sentence
The water in cup that breaks is disposed, and the result of judgement is sent to cell phone application end by microprocessor by bluetooth module.
Further, the capacitance that the step 1 is calculated between the aluminium film being arranged in pairs on the inside of the courage wall of inner bag is specific
Method is：
Because each pair aluminium film is all symmetrical with the center line of cup inner bag, therefore each pair aluminium film plate can be considered phase
Away from the parallel-plate for inner bag diameter, and the electric capacity mathematical formulae of parallel-plate is
C=ε ε0·S/d
C is capacitance, ε is water dielectric constant, ε0For permittivity of vacuum, S is the area of parallel-plate, and d is two pieces parallel
The distance between plate, the relationship between the permittivity ε and temperature t of water are
ε=exp (4.47422-4.54426exp (- 3t))
And S area is
S=lh
L is the arc length of aluminium sheet, and h is the height of liquid in cup, and the distance between two boards d is 2 times of inner bag radius R,
I.e.
D=2R
It can be drawn by above formula, by detecting the temperature t of the water in cup, the permittivity ε of water outlet can be calculated,
Further according to the radius R of cup inherent structure, the area S of parallel-plate, you can calculate the capacitance size between each pair parallel-plate.
Further, there is the limit of user's drinking-water largest interval time and minimum amount of drinking water in the microprocessor program
System, when the drinking-water time and amount of drinking water for detecting user is not in the range of limitation, microprocessor passes through voice module and LED
It is glittering to remind user to drink water, and drinking-water time each under accurate recording and drinking-water information.
The beneficial effects of the invention are as follows：
Intelligent water cup of the present invention can reach detection water in the cup capacity by aluminium film plate and judge that the water in cup is
The no function of being drunk up, simplifies the canned program between cup inner bag and base, can effectively lift the use of Intelligent water cup
Life-span.The Intelligent water cup is simple in construction, and intelligence degree is high, easy to spread.
Design, concrete structure and the caused technique effect of the present invention are described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 be the present invention face cross-sectional view.
Fig. 2 is the overlooking the structure diagram of the present invention.
Fig. 3 is the control board of the present invention and connected module principle block diagram.
Fig. 4 is specific embodiment theory structure schematic diagram when the cup of the present invention tilts.
Embodiment
As shown in Figure 1, 2, 3, a kind of Intelligent water cup, including shell 1 and the inner bag 2 for being arranged on the inner side of shell 1, it is described outer
The outside of shell 1 sets LED 6, and the outside of the bottom of inner bag 2 sets temperature sensor 3, the inner side of the bottom of shell 1 with it is interior
Control board 5, the courage wall inner side multiple aluminium films 4 of spaced set of the inner bag 2, institute are set between the outside of the bottom of courage 2
State the one end of aluminium film 4 and be connected to control board 5, the other end of aluminium film 4 extends to rim of a cup；The control board 5 is wrapped
Include microprocessor 51, bluetooth module 52, voice module 53 and power module 54, the microprocessor 51 and bluetooth module 52, language
Sound module 53, power module 54, temperature sensor 3, aluminium film 4, LED 6 electrically connect, the bluetooth module 52 and mobile phone wireless
Connection.
In the present embodiment, the aluminium film 4 is 8 or more than 8, and is even number.
In the present embodiment, the aluminium film 4 is oppositely arranged with the center line of inner bag 2 in pairs in courage wall.
In the present embodiment, the aluminium film 4 is arc column shape.
The realization principle to the present invention and method describe in detail below：
Every piece of aluminium film of cup inner side of liner extends to rim of a cup from bottom of a cup, and every piece of aluminium film is in the inner side of inner bag
Equidistantly distributed, aluminium film are arc column shape, and every piece of aluminium film is together connected to control electricity with the symmetrical one piece of aluminium film in inner side
In the plate of road, the liquid level of liquid in cup is judged by detecting the electric capacity between each pair aluminium film, and then can calculate
The volume of liquid in cup.Because each pair aluminium film is all, therefore each pair aluminium film plate symmetrical with the center line of cup inner bag
It can be considered at a distance of the parallel-plate for being inner bag diameter, and the electric capacity mathematical formulae of parallel-plate is
C=ε ε0·S/d
C is capacitance, ε is water dielectric constant, ε0For permittivity of vacuum, S is the area of parallel-plate, and d is two pieces parallel
The distance between plate.Relationship between the permittivity ε and temperature t of water is
ε=exp (4.47422-4.54426exp (- 3t))
And S area is
S=lh
L is the arc length of aluminium sheet, and h is the height of liquid in cup, and the distance between two boards are 2 times of inner bag radius, i.e.,
D=2R
It can be drawn by above formula, by detecting the temperature t of the water in cup, the permittivity ε of water outlet can be calculated,
Further according to the radius R of cup inherent structure, the area S of parallel-plate, you can calculate the electric capacity C sizes between each pair parallel-plate.
There is the electric capacity between detection each pair aluminium sheet in control board, and capacitance is sent on microprocessor in real time.
When cup is steadily placed, the height of the liquid side touched by each pair aluminium sheet is all identical, so the electric capacity detected
It is worth also all.
As shown in figure 4, when cup tilts, because the liquid level in cup is different, electric capacity between each pair aluminium sheet also not phase
Together, specific demonstration is：
From the intersection point A pictures level for touching the shorter one side of that minimum block aluminium sheet of liquid area and horizontal panel in figure
Line, extension line and cup other end intersection point be B, then from the shorter one side of that block aluminium sheet for touching liquid area time minimum and water
The intersection point C of surface plate draws horizontal line, and extension line and cup other end intersection point are D, line segment AB and CD and secondary that minimum block aluminium
Plate both sides form a square, such as figure dash area △ S1, then △ S1=l*BD, and As seen from the figureTo sum up,Wherein W is the spacing between two adjacent aluminum plates.It can be seen that set in cup
After meter shaping, BD length and △ S1 areas and cup and vertical direction angleAnd spacing W between two adjacent aluminum plates,
Aluminium sheet width l is relevant, then △ S2 are equal with △ S1 when cup aluminium sheet spaced set, gradient are consistent in figure.Due to C=
ε·ε0S/d, when cup and vertical direction angleAnd spacing W, the aluminium sheet width l between two adjacent aluminum plates are determined, cup
Sub- radius R determines that the capacitance difference △ C between adjacent two pairs of aluminium sheets are equal.
The value of detected electric capacity is arranged in order from small to large, the order of arrangement is C1, C2, C3 ... Cn, makes phase
Two capacitances of adjacent size subtract each other to obtain △ C, then △ C1=C2-C1, △ C2=C3-C2 ... △ Cn=Cn+1-Cn.Work as C1、
C2、C3、C4When not being 0, because water is to maintain horizontal all the time, and aluminium sheet is equally distributed, so adjacent in all aluminium sheets
The difference of area of that less piece of contact liq be the same, according to formula above, can obtain
△ C=△ C1=△ C2=...=△ Cn
Due to height, width and its equidistantly arrangement of the radius and aluminium sheet of cup, so Δ C value and cup
Gradient direct proportionality, i.e.,
Wherein, k is the proportionality constant related to the radius of cup, the height of aluminium sheet and width,For cup and vertical direction
Between angle.As C1, C2, C3 ..., △ C=△ C1=△ C2=...=△ Cn are invalid during promising 0 value among Cn,
But passing through C1, C2, C3 ..., Cn can not calculate Δ C for 0 value, and then calculateValue.Fixed in cup and aluminium sheet
In the case of, the amount of water in cup change withIt is proportional, according toThe rate of changing with time can calculate water in cup with
The rate of change Δ Q of time and the rate of change of cup gradientDirect proportionality.
According to user when pouring with drinking water when water changes in flow rate with the in different size of time relationship, what water was disposed
Rate of change is bigger than the rate of change drunk up.According to monitoring aluminium sheet electric capacity come calculate in cup when the slip of reclaimed water size come
Judge that the water in cup has been disposed or drunk up.When Δ Q is less than a fixed scale value c, judge in cup
Water is drunk up；When Δ Q is more than c, judge that the water in cup is disposed, and the result of judgement is sent by bluetooth module
To cell phone application end.The time of each user's drinking-water and amount of drinking water under microprocessor records.There is a user in microprocessor program
Drinking-water largest interval time and the limitation of minimum amount of drinking water, when the drinking-water time and amount of drinking water for detecting user is not in limitation scope
When interior, microprocessor reminds user to drink water by the way that voice module and LED are glittering, and drinking-water time each under accurate recording
With drinking-water information.
Intelligent water cup of the present invention can reach detection water in the cup capacity by aluminium film plate and judge that the water in cup is
The no function of being drunk up, simplifies the canned program between cup inner bag and base, can effectively lift the use of Intelligent water cup
Life-span.The Intelligent water cup is simple in construction, and intelligence degree is high, easy to spread.
Embodiment 1
As shown in figure 4, when cup angle of inclinationAngle is 0 degree, and cup is now horizontal positioned, now without the row that pours
For C1、C2、C3、C4It is worth for 0, without being detected.
Embodiment 2
As shown in figure 4, when cup angle of inclinationAngle meetsDegree, C1、C2、C3、C4Value is not
0, the value of detected electric capacity is arranged in order from small to large, the order of arrangement is C1, C2, C3 ... Cn, makes adjacent size
Two capacitances subtract each other to obtain △ C, then △ C1=C2-C1, △ C2=C3-C2 ... △ Cn=Cn+1-Cn.Because water is all the time
Keep level, and aluminium sheet is equally distributed, so the area of that less piece of contact liq adjacent in all aluminium sheets
Difference be the same
△ C=△ C1=△ C2=...=△ Cn
Due to height, width and its equidistantly arrangement of the radius and aluminium sheet of cup, so Δ C value and cup
Gradient direct proportionality, i.e.,
Wherein, k is the proportionality constant related to the radius of cup, the height of aluminium sheet and width,For cup and vertical direction
Between angle.As C1, C2, C3 ..., △ C=△ C1=△ C2=...=△ Cn are invalid during promising 0 value among Cn,
But passing through C1, C2, C3 ..., Cn can not calculate Δ C for 0 value, and then calculateValue.Fixed in cup and aluminium sheet
In the case of, the amount of water in cup change withIt is proportional, according toThe rate of changing with time can calculate the water in cup
The rate that changes with time Δ Q and the rate of change of cup gradientDirect proportionality.
According to user when pouring with drinking water when water changes in flow rate with the in different size of time relationship, what water was disposed
Rate of change is bigger than the rate of change drunk up.According to monitoring aluminium sheet electric capacity come calculate in cup when the slip of reclaimed water size come
Judge that the water in cup has been disposed or drunk up.When Δ Q is less than a fixed scale value c, judge in cup
Water is drunk up；When Δ Q is more than c, judge that the water in cup is disposed, and the result of judgement is sent by bluetooth module
To cell phone application end.The time of each user's drinking-water and amount of drinking water under microprocessor records.There is a user in microprocessor program
Drinking-water largest interval time and the limitation of minimum amount of drinking water, when the drinking-water time and amount of drinking water for detecting user is not in limitation scope
When interior, microprocessor reminds user to drink water by the way that voice module and LED are glittering, and drinking-water time each under accurate recording
With drinking-water information.
Embodiment 3
As shown in figure 4, when cup angle of inclinationAngle is 90 degree, and cup now falls down state, the emptying of cup water, C1、
C2、C3、C4It is worth for 0, without being detected.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
- A kind of 1. Intelligent water cup, it is characterised in that：It is described outer including shell (1) and the inner bag (2) being arranged on the inside of shell (1) LED (6) is set on the outside of shell (1), and the outside of inner bag (2) bottom sets temperature sensor (3), shell (1) bottom Inner side and inner bag (2) bottom outside between control board (5) is set, equidistantly set on the inside of the courage wall of the inner bag (2) Multiple aluminium films (4) are put, described aluminium film (4) one end is connected to control board (5), aluminium film (4) other end extension To rim of a cup；The control board (5) includes microprocessor (51), bluetooth module (52), voice module (53) and power module (54), the microprocessor (51) and bluetooth module (52), voice module (53), power module (54), temperature sensor (3), Aluminium film (4), LED (6) electrical connection, the bluetooth module (52) are connected with mobile phone wireless.
- A kind of 2. Intelligent water cup as claimed in claim 1, it is characterised in that：The aluminium film (4) is 8 or more than 8, And it is even number.
- A kind of 3. Intelligent water cup as claimed in claim 2, it is characterised in that：The aluminium film (4) is within courage wall is paired The center line of courage (2) is oppositely arranged.
- A kind of 4. Intelligent water cup as claimed in claim 2, it is characterised in that：The aluminium film (4) is arc column shape.
- A kind of 5. Intelligent water cup as claimed in claim 1, it is characterised in that：The inner bag (2) is cylindric.
- 6. a kind of Intelligent water cup water detection method, it is characterised in that comprise the following steps：Step 1, when cup tilts, microprocessor calculates the capacitance between the aluminium film that is arranged in pairs on the inside of the courage wall of inner bag C, the value of electric capacity are arranged in order from small to large, and the order of arrangement is C1, C2, C3 ... Cn；Step 2, two capacitances of adjacent size are made to subtract each other to obtain △ C, i.e. △ C1=C2-C1, △ C2=C3-C2 ... △ Cn= Cn+1-Cn, because the aluminium film on the inside of courage wall equidistantly arranges, then △ C=△ C1=△ C2=...=△ Cn；The gradient direct proportionality of step 3, the △ C values of basis with cup, i.e.,Wherein, k is and cup Radius, the height of the aluminium sheet proportionality constant related to width,Angle between cup and vertical direction, microprocessor calculate Go outValue；Step 4, in the case where cup and aluminium sheet are fixed, the water Q in cup changes with time rate Δ Q and cup gradient Rate of changeDirect proportionality, microprocessor pass throughCalculate Δ Q values；Step 5, when Δ Q is less than a fixed scale value c, judge that the water in cup is drunk up；When Δ Q is more than c, judge Water in cup is disposed, and the result of judgement is sent to cell phone application end by microprocessor by bluetooth module.
- A kind of 7. Intelligent water cup water detection method as claimed in claim 6, it is characterised in thatThe capacitance specific method that the step 1 is calculated between the aluminium film being arranged in pairs on the inside of the courage wall of inner bag is：Because each pair aluminium film is all symmetrical with the center line of cup inner bag, therefore each pair aluminium film plate can be considered and be apart The parallel-plate of inner bag diameter, and the electric capacity mathematical formulae of parallel-plate isC=ε ε0·S/dC is capacitance, ε is water dielectric constant, ε0For permittivity of vacuum, S is the area of parallel-plate, and d is between two blocks of parallel-plates Distance, the relationship between the permittivity ε and temperature t of water isε=exp (4.47422-4.54426exp (- 3t))And S area isS=lhL is the arc length of aluminium sheet, and h is the height of liquid in cup, and the distance between two boards d is 2 times of inner bag radius R, i.e.,D=2RIt can be drawn by above formula, by detecting the temperature t of the water in cup, the permittivity ε of water outlet, then root can be calculated According to the radius R of cup inherent structure, the area S of parallel-plate, you can calculate the capacitance size between each pair parallel-plate.
- A kind of 8. Intelligent water cup water detection method as claimed in claim 6, it is characterised in that：In the microprocessor program There is user to drink water the limitation of largest interval time and minimum amount of drinking water, when the drinking-water time and amount of drinking water for detecting user not When in the range of limitation, microprocessor is glittering to remind user to drink water by voice module and LED, and each under accurate recording The drinking-water time and drinking-water information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883003.8A CN107865558A (en) | 2017-09-26 | 2017-09-26 | A kind of Intelligent water cup and its water detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710883003.8A CN107865558A (en) | 2017-09-26 | 2017-09-26 | A kind of Intelligent water cup and its water detection method |
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| CN107865558A true CN107865558A (en) | 2018-04-03 |
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| CN201710883003.8A Pending CN107865558A (en) | 2017-09-26 | 2017-09-26 | A kind of Intelligent water cup and its water detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108387294A (en) * | 2018-05-11 | 2018-08-10 | 广东美的厨房电器制造有限公司 | Water-level measuring equipment and its method, steam oven for water box |
| CN108514325A (en) * | 2018-04-13 | 2018-09-11 | 深圳市赛亿科技开发有限公司 | Intelligent kettle and its reminding method that drinks water, computer readable storage medium |
| CN113876163A (en) * | 2021-08-23 | 2022-01-04 | 无界工场(上海)设计科技有限公司 | Method, device, apparatus and computer readable storage medium for drinking appliance |
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| CN104643829A (en) * | 2015-03-17 | 2015-05-27 | 张罡 | Intelligent water cup and method and system for detecting water intake of intelligent water cup |
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Application publication date: 20180403 |