CN108918464B - Method for regulating and controlling concentration of brine and syrup based on intelligent water cup for kitchen - Google Patents
Method for regulating and controlling concentration of brine and syrup based on intelligent water cup for kitchen Download PDFInfo
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- CN108918464B CN108918464B CN201810526428.8A CN201810526428A CN108918464B CN 108918464 B CN108918464 B CN 108918464B CN 201810526428 A CN201810526428 A CN 201810526428A CN 108918464 B CN108918464 B CN 108918464B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
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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
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
Abstract
The invention discloses a method for regulating and controlling the concentration of brine and sugar water based on a kitchen intelligent water cup, which relates to the field of kitchen utensils and comprises the following steps: firstly, acquiring an offset distance D of a first light ray emitted by a first light emitting module on a second light receiving module after being refracted by a first accommodating cavity of the intelligent water cup; then, according to the offset distance D, the first distance L and the first incident angle thetaiSolving the refractive index n of the solution; then, obtaining the concentration c of the solution according to the refractive index n of the solution, solute information of the solution and a solvent of the solution; finally, according to the concentration c of the solution and the target concentration value c of the solutiongoalAnd sending a control command to the water inlet control valve according to the size relation. The invention avoids the precision requirement of solution proportioning by a weighing method and improves the concentration precision of the prepared solution; meanwhile, the concentration does not need to be solved by manual conversion like a weighing method, and the concentration of the solution can be obtained again after evaporation or non-quantitative feeding.
Description
Technical Field
The invention relates to the field of water cups, in particular to a method for regulating and controlling the concentration of brine and sugar water based on a kitchen intelligent water cup.
Background
In daily life, people often drink sugar water, prepare normal saline or prepare saline with seawater concentration so as to make the sea fresh and spit sand.
In the prior art, sugar water and brine are usually blended by a weighing method, and actually, the amount of a solution in a common household is not large, on one hand, the weighing precision of the weighing method is required to be improved, the concentration of the prepared solution is not easy to be accurate, and on the other hand, if the precision of the weighing method is reduced by adding a solvent and a solute, the waste of water resources and the solute is easily caused.
In addition, the following problems are also present with the weighing method: 1) manually converting the solute volume to solve the concentration; 2) the solution concentration will not be available again due to evaporation or after a variable addition.
Disclosure of Invention
In view of some of the above drawbacks in the prior art, the technical problem to be solved by the present invention is to provide a method for regulating and controlling brine and sugar water concentration based on a smart water cup for kitchen use, which aims to obtain a more accurate solution concentration by measuring the refractive index of the solution and solving the solution concentration through the refractive index so as to prepare a kitchen solution with a target solubility.
In order to achieve the above objects, in a preferred first embodiment, there is provided a brine and sugar water concentration control method based on a smart water cup for kitchen use, the method comprising:
collecting an offset distance D of first light rays emitted by the first light emitting module on the second light receiving module after being refracted by the first accommodating cavity of the intelligent water cup; the first accommodating cavity is used for accommodating a solution, and a normal included angle between the first light and a first end face of a first light channel of the first accommodating cavity is a first incident angle thetaiThe first light ray is parallel to a normal of a second end face of a first light channel of the first accommodating cavity, and the distance from the intersection point of the first light ray and the first end face to the second end face is a first distance L;
according to the offset distance D, the first distance L and the first incident angle thetaiSolving the refractive index n of the solution; the refractive index n satisfies:
obtaining the concentration c of the solution according to the refractive index n of the solution, solute information of the solution and a solvent of the solution; the solute information includes a refractive index-concentration relationship curve that satisfies: c ═ α n2+ β n- γ, said α, said β, said γ being polynomial coefficients of the refractive index-concentration relationship curve;
according to the concentration c of the solution and the target concentration value c of the solutiongoalSending a control command to the water inlet control valve according to the size relation; the control instructions include: in response to the concentration c of the solution being less than the solution target concentration value cgoalSending an opening control instruction to the water inlet control valve; in response to the concentration c of the solution being greater than or equal to the solution target concentration value cgoalAnd sending a closing control instruction to the water inlet control valve or outputting a first prompt to a user.
According to the technical scheme, the refractive index is obtained through the position design of the first light emitting module, the second light receiving module, the first end face and the second end face, and the solution concentration is further obtained through the refractive index, so that a user can obtain the relatively accurate solution concentration, the water inlet of the water inlet control valve is controlled, and the kitchen solution with the target concentration is prepared. The technical scheme avoids the precision requirement of solution proportioning by a weighing method and improves the concentration precision of the prepared solution; meanwhile, the concentration does not need to be solved by manual conversion like a weighing method, and the concentration of the solution can be obtained again after evaporation or non-quantitative charging, so that the whole solution is convenient to prepare.
Through experiments on the relation between the concentration of the sucrose and the refractive index, the inventor finds that a single soluble substance which does not chemically react with water is mixed with water, and the refractive index is related to the proportion of the two, namely, the higher the solution mass ratio is, the higher the refractive index of the solution is, and the curve relation is met; in addition, the inventor also conducts experiments on the relation between the brine concentration and the refractive index, and the above rule is also met. Based on the above mechanism, in the present embodiment, the concentration of the solution can be known by measuring the concentration of the solution when the solute of the solution is known.
Optionally, the first reminder includes, but is not limited to, an alarm reminder, and an output concentration display.
It is worth mentioning that, in the present embodiment, the concentration is a mass percentage concentration.
Optionally, the water inlet control valve is an electromagnetic valve.
Optionally, the solute information includes a type of the solute;
optionally, the solute is sugar water; the concentration c of the sugar water meets the following conditions: c-12.276 n2+39.646n-31.04；
Optionally, the solute is saline; the solution concentration c satisfies: c-31.77 n2+91.519 n-65.55.
In a specific embodiment, the method further comprises:
collecting the intrinsic offset distance D of the first light on the second light receiving module after the first light is refracted by the first accommodating cavity under the condition that the first accommodating cavity is empty0；
According to the intrinsic offset distance D0Correcting the offset distance D acquired when the first accommodating cavity is loaded with the solution; the offset distance D satisfies: d ═ Dreal-D0Said D isrealIs made ofAnd (4) measuring values.
In the technical scheme, the intrinsic offset distance is solved, so that the influence of the material of the cup body on the refraction of the light path is eliminated or reduced, and the measurement precision of the refractive index is improved.
In a specific embodiment, the method further comprises: solute information input by a user at an input device is collected.
In a specific embodiment, the method further comprises:
and extracting at least one solute information stored in a storage module for selection by a user, wherein the solute information comprises a solute name and a multinomial coefficient of a refractive index-concentration relation curve corresponding to the solute name.
In the technical scheme, the refractive index-concentration relation curves of various solutes are preset, so that the selection is effectively provided for a user, and the system compatibility is improved.
Optionally, the second light receiving module is planar;
in a specific embodiment, the second light receiving module includes a photo-resistor array. In the technical scheme, the emergent position of the first light ray is measured through the photoresistor array.
In one embodiment, the first end surface is planar; the second end face is planar. Through the planar design, the refractive index solving precision is improved, the equipment installation accuracy is reduced, and the assembly cost is reduced.
In a specific embodiment, the first end face and the second end face are located in the middle of the cup body of the smart cup.
In this technical scheme, set up first terminal surface and second terminal surface in cup body middle part, bottom refracting index is higher and the top refracting index is lower when avoiding the solute not to melt completely, and the middle part measurement refracting index that uses cup body makes the result accurate.
In a specific embodiment, the first light emitting module and the second light receiving module are disposed in an inner wall of a cup body of the smart cup.
In the technical scheme, the first light emitting module and the second light receiving module are arranged in the cup body, so that the influence of the wall of the cup body is reduced, and the refractive index measurement precision is improved.
In a specific embodiment, the cup body of the smart cup is made of a light-transmitting material, and the first light-emitting module and the second light-receiving module are disposed outside the outer wall of the cup body. In the technical scheme, the first light transmitting module and the second light receiving module are arranged outside the cup body, so that the assembly compatibility is effectively improved, and the structural cost is reduced.
In a specific embodiment, the cup body is provided with a first groove for mounting the first light emitting module and a second groove for mounting the second light receiving module; the first light emitting module is arranged in the first groove, and the outer wall of the first light emitting module is matched with the outer wall of the cup body; the second light receiving module is arranged in the second groove, and the outer wall of the second light emitting module is matched with the outer wall of the cup body.
According to the technical scheme, the modular installation is facilitated by setting the first groove and the second groove.
The invention has the beneficial effects that: according to the kitchen solution preparation device, the refractive index is obtained through the position design of the first light emitting module, the second light receiving module, the first end face and the second end face, and the solution concentration is further obtained through the refractive index, so that a user can obtain the relatively accurate solution concentration, the water inlet of the water inlet control valve is controlled, and the kitchen solution with the target concentration is prepared. The technical scheme avoids the precision requirement of solution proportioning by a weighing method and improves the concentration precision of the prepared solution; meanwhile, the concentration does not need to be solved by manual conversion like a weighing method, and the concentration of the solution can be obtained again after evaporation or non-quantitative charging, so that the whole solution is convenient to prepare.
Drawings
Fig. 1 is a schematic structural diagram of a smart water cup for regulating concentration of brine and sugar water for kitchen according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a method for regulating and controlling the concentration of brine and sugar water based on a smart water cup for kitchen use according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a refracted light path of a first light ray in an embodiment of the invention;
FIG. 4 is a schematic structural diagram of a cup body of a smart cup for controlling concentration of brine and sugar water for kitchen use according to an embodiment of the present invention;
fig. 5 is a schematic diagram of the overall structure of the first light emitting module and the second light receiving module of the smart water cup for controlling the concentration of saline water and sugar water for kitchen according to an embodiment of the present invention;
FIG. 6 is a graph of sugar water concentration versus refractive index in accordance with one embodiment of the present invention;
FIG. 7 is a graph of saline concentration versus refractive index in accordance with one embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1 to 7, in a first embodiment of the present invention, there is provided a brine and sugar water concentration regulation method based on a smart water cup for kitchen use, the method including:
collecting an offset distance D of first light rays emitted by the first light emitting module on the second light receiving module after being refracted by the first accommodating cavity of the intelligent water cup; the first accommodating cavity is used for accommodating a solution, and a normal included angle between the first light and a first end face of a first light channel of the first accommodating cavity is a first incident angle thetaiThe first light ray is parallel to a normal of a second end face of a first light channel of the first accommodating cavity, and the distance from the intersection point of the first light ray and the first end face to the second end face is a first distance L;
according to the offset distance D, the first distance L and the first incident angle thetaiSolving the refractive index n of the solution; the refractive index n satisfies:
wherein, thetai≠0；
Obtaining the concentration c of the solution according to the refractive index n of the solution, solute information of the solution and a solvent of the solution; the solute information includes a refractive index-concentration relationship curve that satisfies: c ═ α n2+ β n- γ, said α, said β, said γ being polynomial coefficients of the refractive index-concentration relationship curve;
according to the concentration c of the solution and the target concentration value c of the solutiongoalSending a control command to the water inlet control valve according to the size relation; the control instructions include: in response to the concentration c of the solution being less than the solution target concentration value cgoalSending an opening control instruction to the water inlet control valve; in response to the concentration c of the solution being greater than or equal to the solution target concentration value cgoalAnd sending a closing control instruction to the water inlet control valve or outputting a first prompt to a user.
Optionally, the first reminder includes, but is not limited to, an alarm reminder, and an output concentration display.
It is worth mentioning that, in the present embodiment, the concentration is a mass percentage concentration.
Optionally, the water inlet control valve is an electromagnetic valve.
It is worth mentioning that, in the present embodiment, the concentration is a mass percentage concentration.
As shown in fig. 3, the geometrical relationship of the first ray refraction phenomenon indicates that:
θr＝θi-Δθ (1)
the triangle geometric relationship shows that:
from refractive index formula
And the formulas (1) to (2) can be known:
optionally, the solute is sugar water; the concentration c of the sugar water meets the following conditions: c-12.276 n2+39.646n-31.04。
The applicant obtained the data in table 1 by experiments on the ratio of sucrose to water.
TABLE 1 data of the relationship between the refractive index and concentration of sugar water at 18 deg.C
| Refractive index | 1.334 | 1.3477 | 1.3573 | 1.3691 | 1.3872 | 1.4025 | 1.4186 | 1.4407 |
| Concentration of | 0％ | 9.10％ | 16.70％ | 23.10％ | 33.30％ | 41.10％ | 50％ | 60％ |
Obtaining the concentration c of the sucrose syrup by curve fitting, wherein the concentration c meets the following requirements: c-12.276 n2+39.646n-31.04。
Optionally, the solute is saline; the solution concentration c satisfies: c-31.77 n2+91.519 n-65.55.
The applicant obtained the data in table 2 by experiments on the salt to water ratio.
TABLE 2 Experimental data of saline refractive index and concentration relationship at 18 deg.C
| Refractive index | 1.334 | 1.3419 | 1.3479 | 1.3624 | 1.3701 | 1.3813 |
| Concentration of | 0％ | 5％ | 9.10％ | 16.70％ | 20％ | 25％ |
By curve fitting, the concentration c of the brine is obtained to satisfy: c-31.77 n2+91.519 n-65.55.
Optionally, the solute information includes a type of the solute;
in actual scene application, a user needs to configure saline water, the configured saline water is input into a system, and after the user adds water and salt, the intelligent water cup detects the concentration of the configured saline water and outputs the concentration in a display mode; according to the actually measured concentration of the brine, a user adds water or salt according to the requirement. Optionally, the salt comprises sea salt and iodized salt.
In another scene, a user needs to configure sugar water, the sugar water is input into the system and configured, and after the user adds water and adds sugar, the intelligent water cup detects the concentration of the configured sugar water and displays the concentration in real time; adding water and sugar according to the requirement. It is worth mentioning that the sugar itself also includes a plurality of kinds, which the system can refine, for example, glucose, sucrose, maltose, honey, etc.
In this example, the solute is a single edible product.
Optionally, the intelligent water cup further comprises a display module, and the display module is connected with the main control module; optionally, the display module is an LCD module; optionally, the display module is a nixie tube.
Optionally, the method further includes:
the display module displays the concentration of the solution.
In this embodiment, the method further includes:
when the first accommodating cavity 102 is empty, the intrinsic offset distance D of the first light reflected by the first accommodating cavity 102 on the second light receiving module 109 is collected0；
According to the intrinsic offset distance D0Correcting the offset distance D acquired when the first containing chamber 102 is loaded with the solution; the offset distance D satisfies: d ═ Dreal-D0Said D isrealIs the actual measurement.
In this embodiment, the method further includes: solute information input by a user at an input device is collected.
In this embodiment, the solvent is water; optionally, the solute is salt; optionally, the solute is a sugar; it is worth mentioning that in this embodiment, it is not recommended to mix a plurality of substances, so that there are too many variations, i.e. there are many groups of solutions of refractive index and concentration, i.e. salt or sea salt is added to the mixed salt water, sucrose or glucose is added to the mixed sugar water, and honey is added to the mixed honey water.
In this embodiment, the method further includes:
and extracting at least one solute information stored in a storage module for selection by a user, wherein the solute information comprises a solute name and a multinomial coefficient of a refractive index-concentration relation curve corresponding to the solute name.
Optionally, the second light receiving module 109 is planar;
in this embodiment, the second light receiving module 109 includes a photo-resistor array.
The position of the second light receiving module 109 receiving the light is obtained according to the array unit in which the resistance value of the photoresistor array becomes small.
In this embodiment, the first end surface 103 is a planar surface; the second end face 104 is planar.
In this embodiment, the first end surface 103 and the second end surface 104 are located in the middle of the cup body 101 of the smart cup.
In an alternative embodiment, the first light emitting module 108 and the second light receiving module 109 are disposed in the inner wall of the cup body 101 of the smart cup.
In this embodiment, the cup body 101 of the smart cup is made of a light-transmitting material, and the first light emitting module 108 and the second light receiving module 109 are disposed outside the outer wall of the cup body 101.
In this embodiment, the cup body 101 is provided with a first groove 105 for mounting the first light emitting module 108 and a second groove 106 for mounting the second light receiving module 109; the first light emitting module 108 is arranged in the first groove 105, and the outer wall of the first light emitting module is matched with the outer wall of the cup body 101; the second light receiving module is disposed in the second groove 106, and the outer wall of the second light emitting module matches with the outer wall of the cup body 101.
Further, in the present embodiment, the first light emitting module 108 and the second light receiving module 109 may be assembled with the cup body 101 in one third refractive index measuring module 200 as a whole; alternatively, the third refractive index detection module 200 includes a first light emitting portion 202 and a second light receiving portion 201, and is used to mount the first light emitting module 108 and the second light receiving module 109, respectively.
It is noted that the method of the present embodiment may be operated by a main controller performing the above-described method, the main controller being electrically connected to the first light emitting module 108, the second light receiving module 109, and the water control valve 300, wherein lines for electrical connection between the main controller and the water control valve 300 may be stored in the line storage channel 301.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A method for regulating and controlling the concentration of saline water and sugar water based on a kitchen intelligent water cup is characterized by comprising the following steps:
collecting an offset distance D of first light rays emitted by the first light emitting module on the second light receiving module after being refracted by the first accommodating cavity of the intelligent water cup; the first accommodating cavity is used for accommodating a solution, and the first light ray and the first end face of the first light channel of the first accommodating cavityIs a first incident angle thetaiThe first light ray is parallel to a normal of a second end face of a first light channel of the first accommodating cavity, and the distance from the intersection point of the first light ray and the first end face to the second end face is a first distance L;
according to the offset distance D, the first distance L and the first incident angle thetaiSolving the refractive index n of the solution; the refractive index n satisfies:
obtaining the concentration c of the solution according to the refractive index n of the solution, solute information of the solution and a solvent of the solution; the solute information includes a refractive index-concentration relationship curve that satisfies: c ═ α n2+ β n- γ, said α, said β, said γ being polynomial coefficients of the refractive index-concentration relationship curve;
according to the concentration c of the solution and the target concentration value c of the solutiongoalSending a control command to the water inlet control valve according to the size relation; the control instructions include: in response to the concentration c of the solution being less than the solution target concentration value cgoalSending an opening control instruction to the water inlet control valve; in response to the concentration c of the solution being greater than or equal to the solution target concentration value cgoalAnd sending a closing control instruction to the water inlet control valve or outputting a first prompt to a user.
2. The brine and sugar water concentration regulation and control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein the method further comprises:
collecting the intrinsic offset distance D of the first light on the second light receiving module after the first light is refracted by the first accommodating cavity under the condition that the first accommodating cavity is empty0；
According to the intrinsic offset distance D0Correcting the offset distance D acquired when the first accommodating cavity is loaded with the solution; the offset distance D satisfies: d ═ Dreal-D0Said D isrealIs the actual measurement.
3. The brine and sugar water concentration regulation and control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein the method further comprises: solute information input by a user at an input device is collected.
4. The brine and sugar water concentration control method based on the intelligent water cup for the kitchen as claimed in claim 3, wherein the method further comprises:
and extracting at least one solute information stored in a storage module for selection by a user, wherein the solute information comprises a solute name and a multinomial coefficient of a refractive index-concentration relation curve corresponding to the solute name.
5. The brine and sugar water concentration control method based on the intelligent water cup for kitchen use as claimed in claim 1, wherein the second light receiving module comprises a photoresistor array.
6. The brine and sugar water concentration control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein the first end face is planar; the second end face is planar.
7. The brine and sugar water concentration control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein the first end face and the second end face are located in the middle of a cup body of the intelligent water cup.
8. The brine and sugar water concentration regulation and control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein the first light emitting module and the second light receiving module are arranged in an inner wall of a cup body of the intelligent water cup.
9. The brine and sugar water concentration regulation and control method based on the intelligent water cup for the kitchen as claimed in claim 1, wherein a cup body of the intelligent water cup is made of a light-transmitting material, and the first light emitting module and the second light receiving module are arranged outside an outer wall of the cup body.
10. The brine and sugar water concentration regulating method based on the intelligent water cup for kitchen use as claimed in claim 9, wherein the cup body is provided with a first groove for mounting the first light emitting module and a second groove for mounting the second light receiving module; the first light emitting module is arranged in the first groove, and the outer wall of the first light emitting module is matched with the outer wall of the cup body; the second light receiving module is arranged in the second groove, and the outer wall of the second light emitting module is matched with the outer wall of the cup body.
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| CN1130560C (en) * | 1998-06-29 | 2003-12-10 | 中国科学院福建物质结构研究所 | Method and device for measuring concentration of flowing solution in real-time mode |
| EP1876438A1 (en) * | 2006-07-05 | 2008-01-09 | Dtu | Determining concentration of a substance in aqueous solution by selfreferenced reflection THz spectroscopy |
| CN101706425A (en) * | 2009-11-20 | 2010-05-12 | 南京邮电大学 | Liquid prism refractometer |
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Effective date of registration: 20201105 Address after: 312000 No.62 Jiefang neighborhood committee, Huashe street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Keqiao Haoyue Textile Technology Co., Ltd Address before: 351139 Hualin Industrial Zone, Xiahaocun, Huating Town, Chengxiang District, Putian City, Fujian Province Applicant before: PUTIAN ZHUHUO INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211209 Address after: 312000 No. A151, xinweizhuang community, Keyan street, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Shaoxing canxiang Textile Co.,Ltd. Address before: 312000 No.62 Jiefang neighborhood committee, Huashe street, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Keqiao Haoyue Textile Technology Co., Ltd |
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Denomination of invention: A concentration control method of brine and sugar water based on intelligent water cup for kitchen Effective date of registration: 20211227 Granted publication date: 20201127 Pledgee: Keqiao Branch of Bank of China Ltd. Pledgor: Shaoxing canxiang Textile Co.,Ltd. Registration number: Y2021330002671 |
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