CN106226298B - Detect system, method and the test paper of water quality - Google Patents
Detect system, method and the test paper of water quality Download PDFInfo
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- CN106226298B CN106226298B CN201610656262.2A CN201610656262A CN106226298B CN 106226298 B CN106226298 B CN 106226298B CN 201610656262 A CN201610656262 A CN 201610656262A CN 106226298 B CN106226298 B CN 106226298B
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The present invention provides system, method and the test paper of detection water quality, which includes: image acquisition unit, and described image acquiring unit is for obtaining water quality detection test paper test department image；Water quality information determination unit, the water quality information determination unit is for analyzing the test department image, to obtain the water quality information of the water sample to be measured.Multiple water quality datas fast and effeciently can be detected simultaneously using the system, it is not only easy to operate, and flux is high, can greatly save the human and material resources of water quality detection, while improving detection efficiency.
Description
Technical field
The present invention relates to field of water quality detection, specifically, being related to the system, method and test paper for detecting water quality.
Background technique
Water is Source of life, and the mankind be unable to do without water in life and production activity, the superiority and inferiority of Drinking Water water quality with
Human health is closely related.With the improvement of social and economic development, scientific progress, and people ' s living standards, people drink life
The water quality requirement of water is continuously improved, and water quality standard for drinking water also has been continuously developed and improved accordingly.Due to Drinking Water water quality
The formulation of standard and people's lives habit, culture, economic condition, scientific technological advance level, water resource and its water quality situation
Equal many factors are related, and not only between various countries, but also between the different regions of same country, the requirement to drinking water quality is all deposited
In difference.Therefore, the detection of domestic water especially drinking water is particularly important.
Current water quality detection method has to be detected using hand-held electronic equipment detection, test paper.Hand-held electronic equipment inspection
Survey that at high cost, difficulty is big, and price is not also cheap, promotes not universal.And general test paper detection is usually to need after having detected
Compare reference color card, so determine test as a result, this method subjectivity for comparing color card is strong, and by
Influence to ambient light is bigger, very influence test result, also very not intelligent.
Thus, the method for detecting water quality at present still has much room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of test paper that can detect multiple-quality water data simultaneously.
In one aspect of the invention, the present invention provides a kind of systems for detecting water quality.According to an embodiment of the invention,
The system of the detection water quality includes: image acquisition unit, and described image acquiring unit is for obtaining water quality detection test paper test department
Image；Water quality information determination unit, the water quality information determination unit are described to obtain for analyzing the test department image
The water quality information of water sample to be measured.Inventors have found that can fast and effeciently detect multiple water simultaneously using the system of the invention
Prime number evidence, it is not only easy to operate, and flux is high, can greatly save the human and material resources of water quality detection, while improving detection effect
Rate, it is accordingly required in particular to which, it is noted that in the system, water quality information determination unit can be automated, intelligentized analysis test department figure
Picture obtains digital information, and the information of acquisition is compared with presupposed information, obtains water quality information, to realize automatic
The water quality for changing detection sample to be tested, does not need manually to compare colour atla, and testing result is accurate, reliable, has very wide application
Prospect.
According to an embodiment of the invention, the water quality information determination unit includes: image analysis module, described image analysis
Module is used to carry out digital assay to the color of the test department image, to obtain test department image color information；Comparison
Module, pre-set color information is provided in the contrast module, and the contrast module is used for described image colouring information and institute
It states pre-set color information to be compared, and determines the water quality information of the water sample to be measured based on comparison result.
According to an embodiment of the invention, the system of detection water quality of the invention further comprises: control vitta image obtains
Unit, the control vitta image acquisition unit is for obtaining control vitta image；Vitta image analyzing unit is compareed, it is described right
According to vitta image analyzing unit for analyzing the control vitta image, to obtain the control vitta image color information,
Standardisation Cell, the Standardisation Cell are based on the control vitta image color information to the test department image color information
It is standardized.
According to an embodiment of the invention, the system of detection water quality of the invention further comprises: push unit, and display
Unit, wherein the push unit is used to the water quality information being sent to the display unit.
In another aspect of this invention, the present invention provides a kind of methods using mentioned-above system detection water quality.
According to an embodiment of the invention, this method comprises: (1) contacts water sample to be measured with the test department of water quality detection test paper；(2) it obtains
The image of the test department；(3) image of the test department is analyzed, to obtain test department image color information；(4)
The test department image color information is compared with pre-set color information, with the water quality information of the determination water sample to be measured.
Inventors have found that can easily and fast be carried out to sample to be tested using the method for detection water quality according to an embodiment of the present invention
The detection of multiple-quality water data, simple, convenient, testing result is accurate, reliable, and in the method, does not need manually to compare
To colour atla, the automatic detection of test paper is realized, intelligent water quality detection is completed, so that water quality detection process is convenient, fast, and
Cost is relatively low.
According to an embodiment of the invention, above-mentioned steps (1) further comprise: the test department of the water quality detection test paper is soaked
Enter in the water sample to be measured and be no less than 3 seconds, keeps the test department completely wet, then dry remaining water on the test department
Point.
According to an embodiment of the invention, before step (4), further comprising after step (3): (a) obtaining contrast color
The image of item；(b) image of the control vitta is analyzed, to obtain control vitta image color information；(c) it is based on
The control vitta colouring information, is standardized the test department image color information.
In another aspect of this invention, the present invention provides a kind of for detecting the test paper of water quality.Reality according to the present invention
Example is applied, which includes: hand-held part；Test department, the test department include at least one water-quality test area；And system operatio refers to
Draw region, the application journey that the system operatio guides region to be used to guide user's downloading that can identify the test paper test result
Sequence, wherein the multiple water-quality test area includes hardness test area, pesticide residue test section, heavy-metal residual test section, soda acid
At least one of test section, ozone test section, chlorine residue test section and TDS value test section.Inventors have found that utilizing basis
The test paper of the embodiment of the present invention can detect multiple-quality water data (including but not limited to hardness, pesticide residue, heavy metal simultaneously
Residual etc.), it saves a large amount of human and material resources, make the reduction of water quality detection cost, and test result is accurate, reliable, side easy to operate
Just.
According to an embodiment of the invention, at least one of the multiple water-quality test area is detected based on color change
's.
According to an embodiment of the invention, the test paper further comprises: control vitta, the control vitta include red color
Item, blue vitta and yellow vitta.
Detailed description of the invention
Fig. 1 shows according to an embodiment of the present invention for detecting the structural schematic diagram of the system of water quality；
Fig. 2 shows according to an embodiment of the present invention for detecting the structural schematic diagram of the system of water quality；
Fig. 3 shows according to an embodiment of the present invention for detecting the structural schematic diagram of the system of water quality；
Fig. 4 shows the flow diagram of the method for detection water quality according to an embodiment of the present invention；
Fig. 5 shows the structural schematic diagram of the test paper of detection water quality according to an embodiment of the present invention；
Fig. 6 shows the structural schematic diagram of the test paper of detection water quality according to an embodiment of the present invention；
Fig. 7 shows the structural schematic diagram of the test paper of detection water quality according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, and is only used for explaining this hair
It is bright, and be not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to text in the art
It offers described technology or conditions or is carried out according to product description.Reagents or instruments used without specified manufacturer,
For can be with conventional products that are commercially available.
In one aspect of the invention, the present invention provides a kind of systems for detecting water quality.According to an embodiment of the invention,
Referring to Fig.1, the system of the detection water quality includes: image acquisition unit 10 and water quality information determination unit 20.
According to an embodiment of the invention, image acquisition unit 10 is for obtaining water quality detection test paper test department image.Specifically
Ground, the test department that can will test water quality test paper according to routine operation are contacted with water sample to be measured, then pass through image acquisition unit
10 obtain the image of test paper test department.According to an embodiment of the invention, image acquisition unit 10 is not particularly limited, as long as can
Effectively obtain the image of test paper test department.In some embodiments of the invention, image acquisition unit 10 can be movement
Terminal, such as mobile phone, tablet computer etc..Thus, it is possible to conveniently and efficiently obtain the image of test paper test department.
According to an embodiment of the invention, water quality information determination unit 20 is for analyzing test department image, it is described to obtain
The water quality information of water sample to be measured.Specifically, water quality information determination unit 20 receives the test department from image acquisition unit 10
Then image is analyzed the test department image, so that test department image is converted to digitalized data, be based on test department figure
The digitalized data of picture obtains the water quality information of water sample to be measured.
According to an embodiment of the invention, water quality information determination unit 20 can for mobile terminal (including but not limited to mobile phone,
Tablet computer), or server etc..Thus, it is possible to realize automation, intelligentized operation, do not need manually to compare, no
Only accuracy is high, and easy to operate easy, saves a large amount of manpower and material resources.
According to an embodiment of the invention, water quality information determination unit 20 may further include: image analysis referring to Fig. 2
Module 21 and contrast module 22.Specifically, being by test paper color using test paper detection water quality in an embodiment of the present invention
The depth or different colours between variation carry out, therefore above-mentioned image analysis module be used for the color of test department image into
Digitized analysis, to obtain test department image color information；And pre-set color information is provided in above-mentioned contrast module, it uses
In test department image color information to be compared with pre-set color information, and the water sample to be measured is determined based on comparison result
Water quality information.It should be noted that above-mentioned pre-set color information refer to a series of known concentrations index to be measured (such as acid-base property,
Pesticide residue etc.) corresponding colouring information.Specifically, it is illustrated by taking pH value as an example, using identical test paper respectively to one
The water sample of pH value known to series is detected, and then obtains test paper test department image corresponding from the water sample of different pH value respectively,
Digital assay is carried out to the image of acquisition and obtains its colouring information, as pre-set color information.Those skilled in the art can be with
Understand, the pre-set color information being arranged in contrast module includes a series of color information datas, the test department color of water sample to be measured
Information matches with certain color information data in pre-set color information, then the corresponding water quality information of this color information data
The water quality information of water sample as to be measured.Other Testing index are similar with pH value, are no longer described in detail one by one herein.
It will be understood by those skilled in the art that same Test paper, under different environment light conditions, obtained color
Information has certain gap.Influence in order to avoid varying environment striation part to test result improves the accuracy of test result,
Referring to Fig. 3, the system of detection water quality according to an embodiment of the present invention be can further include: control vitta image acquisition unit
31, compare vitta image analyzing unit 32 and Standardisation Cell 33.Wherein, control vitta image acquisition unit is for obtaining control
Vitta image；It compares vitta image analyzing unit and is used for analysis of control vitta image, to obtain control vitta color of image letter
Breath, Standardisation Cell are based on control vitta image color information and are standardized to test department image color information.Specifically
Ground, standard color bars can be standard color, including but not limited to three primary colors (red, yellow, blue) etc., with obtain test department image phase
Under same environment light condition, the image of control vitta is obtained by control vitta image acquisition unit, then by compareing vitta
Image analyzing unit obtains control vitta colouring information, be then based on the control vitta colouring information of above-mentioned acquisition with compare vitta
Difference between accepted standard color is calibrated test department image color information by Standardisation Cell, is then utilized
Test department colouring information by calibration is compared with pre-set color information.Thus, it is possible to substantially reduce or avoid different rings
Influence of the border striation part to test result, greatly improves the accuracy of test result.
According to an embodiment of the invention, the system of detection water quality of the invention can further include: push unit, with
And display unit, wherein the push unit is used to the water quality information being sent to the display unit.Of the invention one
In a little embodiments, the acquisition of test department image is carried out by mobile terminal (i.e. image acquisition unit), and test department image
The analysis of colouring information is carried out by server (i.e. water quality information determination unit), at this point it is possible to will by push unit
Test department image is delivered to server, and it (can be above-mentioned mobile terminal that obtained water quality information, which is sent to display unit,
Can be other display devices) so that user checks.
Inventors have found that fast and effeciently multiple water quality datas can be detected simultaneously using the system of the invention, not only
It is easy to operate, and flux is high, can greatly save the human and material resources of water quality detection, while improving detection efficiency, it is accordingly required in particular to refer to
Out, in the system, water quality information determination unit can be automated, intelligentized analysis test department image, be digitized
Information, and the information of acquisition is compared with presupposed information, water quality information is obtained, to realize automatic detection sample to be tested
Water quality, do not need manually to compare colour atla, testing result is accurate, reliable, has very wide application prospect.
In another aspect of this invention, the present invention provides a kind of methods using mentioned-above system detection water quality.
Referring to Fig. 4, according to an embodiment of the invention, this method may comprise steps of:
S100: water sample to be measured is contacted with the test department of water quality detection test paper.
According to an embodiment of the invention, in the step s 100, the test department of test paper can be immersed many in sample to be tested
In 3 seconds, keeps test paper test department completely wet, remaining moisture on test department is then dried, at this point, each water-quality test area of test paper
It will do it colour developing.
S200: the image of the test department is obtained.
According to an embodiment of the invention, in this step, the image of test department can be obtained by any of method.
In some embodiments of the invention, which is carried out using mobile terminal.According to an embodiment of the invention, mobile terminal
Specific type be not particularly limited, those skilled in the art can flexible choice according to the actual situation.Of the invention some
In embodiment, mobile terminal includes but is not limited to mobile phone, tablet computer etc..Specifically, it is mobile that mobile phone, computer etc. can be used
The camera of terminal takes pictures to the test department after contact sample to be tested, obtains photo, that is, obtains the image of test department.
S300: analyzing the image of the test department, to obtain test department image color information.
According to an embodiment of the invention, in this step, analyzing the colouring information of image, obtain related to water quality
Image color information, that is, according to test department image, the digitalized data for obtaining test department color of image is (including but unlimited
In the RGB numerical value of test department image).Specifically, in some embodiments, the step can in mobile terminal or server into
Row, so that testing result is more accurate, reliable, is realized simultaneously thus, it is possible to which the colouring information to image carries out digitized processing
Automation, intelligentized water quality monitoring make to detect water quality more convenient, easily operated.
According to an embodiment of the invention, after this step, before next step S400, this method be may further include
Following steps: the image of control vitta (a) is obtained；(b) image of the control vitta is analyzed, to obtain contrast color
Image color information；(c) it is based on the control vitta colouring information, the test department image color information is standardized
Processing.It is consistent described in the system with front detection water quality such as control vitta described herein, it no longer goes to live in the household of one's in-laws on getting married one by one herein
It states.
S400: the test department image color information is compared with pre-set color information, with the determination water to be measured
The water quality information of sample.
It is consistent described in the system of the detection water quality of the invention with front of pre-set color information described in the step,
It no longer repeats one by one again.The specific operation process of the step can be with are as follows: believes test department image color information and pre-set color
Breath is compared one by one, and water quality information corresponding with the pre-set color information that test department colouring information matches is water sample to be measured
Water quality information detected value.
Inventors have found that using it is according to an embodiment of the present invention detection water quality method, can easily and fast to be measured
Sample carries out the detection of multiple-quality water data, simple, convenient, and testing result is accurate, reliable, and in the method, is not required to
Colour atla is manually compared, the automatic detection of test paper is realized, completes intelligent water quality detection, so that water quality detection process side
Just, fast, and cost is relatively low.
In order to which those skilled in the art better understand technical solution of the present invention, below according to specific implementation of the invention
Example carries out more detailed description to the system and method for detection water quality of the invention.
In one embodiment of the invention, the system of detection water quality according to an embodiment of the present invention can be with mobile phone or plate
The mobile terminals such as computer are equipped with the application program for detecting water quality in the mobile terminal, are provided in application program corresponding
Pre-set color information, standard color information etc., concrete operations can obtain test department to pass through the related device of mobile terminal
Then image and control vitta colouring information carry out test department colouring information and control vitta colouring information by application program
Digital assay, and standard is carried out to test department image based on the difference between control vitta colouring information and standard color information
Change processing, then the test department colouring information after standardization is compared with pre-set color information, with determination water to be measured
The water quality information of sample.The water quality information not only may include the detected value of the various indexs of water sample to be measured, can also include system root
According to information such as the detected value of above-mentioned various indexs water purification scheme recommended to the user, water purification products.
In another embodiment of the present invention, in above-described embodiment only by mobile terminal detect water quality it is similar, area
It is not that test department image and the acquisition of control vitta image are completed by mobile terminal, and test department image and control vitta figure
What the digital assay of picture carried out in the server, specifically by test department image and vitta image transmitting can be compareed by push unit
To server, corresponding colouring information is obtained using server, is standardized and compares operation, to obtain water quality letter
Breath, is then transmitted to above-mentioned mobile terminal for water quality information by push unit, so that user checks result.
In another aspect of this invention, the present invention provides a kind of for detecting the test paper of water quality.Reality according to the present invention
Example is applied, referring to Fig. 5 (wherein, Fig. 5 A is the front schematic view of test paper, and Fig. 5 B is the schematic rear view of test paper), which includes:
Hand-held part 100；Test department 200, the test department include at least one water-quality test area 210；And system operatio guides region
300, the application program that the system operatio guides region to be used to guide user's downloading that can identify the test paper test result,
In, the multiple water-quality test area includes hardness test area, pesticide residue test section, heavy-metal residual test section, soda acid test
At least one of area, ozone test section, chlorine residue test section and TDS value test section.Inventors have found that using according to this hair
The test paper of bright embodiment can detect multiple-quality water data (including but not limited to hardness, pesticide residue, heavy-metal residual simultaneously
Deng), the efficiency of water quality detection is substantially increased, and test result can react water quality situation comprehensively, is provided more comprehensively for user
Water quality information, the water quality information based on acquisition can select suitable water purification product provide more favorable guidance for user, and
It saves a large amount of human and material resources, make the reduction of water quality detection cost, and test result is accurate, reliable, it is simple to operate.
According to an embodiment of the invention, the specific material of the test paper for detecting water quality is not particularly limited, this field skill
Art personnel can flexible choice according to actual needs.In some embodiments of the invention, test paper can be chromatographic test paper or filter
Paper.Facilitate detection as a result, and is conducive to improve the accuracy and reliability of detection effect.
According to an embodiment of the invention, above-mentioned hand-held part, test department and system operatio guide the setting position in region not by
Special standby limitation, those skilled in the art can flexible choices according to the needs of use.For example, in some embodiments of the invention,
In the front of Test paper, hand-held part and test department are set gradually from one end of Test paper to the other end, system operatio is guided
The back side of Test paper is arranged in region.It is easy to use as a result, it is compact-sized reasonable, save raw material.Certainly, art technology
Personnel are appreciated that the set-up mode of each section in test paper of the invention is not limited only to the above-mentioned set-up mode listed, and are being not required to
In the case where making the creative labor, adjustment appropriate, replacement are carried out to it, is all belonged to the scope of protection of the present invention.
Likewise, according to an embodiment of the invention, the set-up mode in multiple water-quality test areas is not also by special in test department
Limitation.In some embodiments of the invention, be disposed with referring to Fig. 6 along the direction far from hand-held part 100: hardness is surveyed
Try area 211；Pesticide residue test section 212；Heavy-metal residual test section 213；Soda acid test section 214；Ozone test section 215；With
And chlorine residue test section 216.Such set-up mode can not influence each other between each test section, and test result accurately may be used
It leans on.
According to an embodiment of the invention, the preparation method in multiple water-quality test areas and testing principle be not by special in test department
Limitation, as long as the function of detecting corresponding water quality data can be realized effectively.In some embodiments of the invention, hardness is surveyed
Examination area can be the mixture water by the way that blank test paper to be immersed to eriochrome black T, disodium EDTA, magnesium sulfate and sodium carbonate
It is then dry to obtain in solution；It can also be by the way that blank test paper be immersed eriochrome black T, EDTA magnesium salts, sodium tetraborate-sodium hydroxide
It is then dry to obtain in buffer, ammonium salt and DDTC mixed solution.It is convenient thereby, it is possible to effectively detect the hardness of sample to be tested
It operates, is simple and fast, and test result is accurate and reliable.In some embodiments of the invention, cholinesterase conduct can be used
Indicate pesticide residue in medicament detection sample to be tested.Specifically, can use agarose and the phosphate buffer of pH=7.0
Mixed liquor mixed with NaOH solution and dimethyl sulfate phenol, and carry out methylation reaction, CH be then added3COOH, and adjust pH
To neutrality, it is subsequently added into cholinesterase and paraffin oil, is then placed in 0 DEG C of ice-water bath and solidifies, oil is centrifuged off and is mutually prepared
Temperature sensitive microcapsules；Then, indophenols acetic acid esters mother liquor is added in the phosphate buffer of pH=7.0 and prepares developing solution；It will
Temperature sensitive microcapsules and developing solution are coated on blank test paper according to the ratio of 1:1, up to pesticide residue test section after drying.By
This, can be simple, convenient quick effective for the pesticide residue in detection sample to be tested.In some implementations of the invention
Example can use triarylmethane class alkaline cationic dye, xylenol orange, antipyrine, Congo red, alizarin or 1,2- ring
Acetyl butyryl dioxime etc. is used as heavy metal ion indicator.Refer to specifically, blank test paper can be immersed containing heavy metal ion
Show appropriate time in the solution of agent, dries after taking-up to get heavy-metal residual test section.Thereby, it is possible to quickly and effectively detect
Heavy-metal residual in sample to be tested, it is easy to operate.In some embodiments of the invention, blank test paper can be immersed
Soap Huang, m-methyl red, bromocresol green, nitro-nitrogen yellow, phenolphthalein, alizarin yellow, titan yellow, second alcohol and water mixed solution in, then do
It is dry, to prepare soda acid test section.Thereby, it is possible to the pH value effective for detecting sample to be tested, i.e. H in sample to be tested+And OH-Ion concentration has the advantages that quick, easy, easy to operate, portable.It in some embodiments of the invention, can be with
With hydrochloric acid N, N- diethyl p-phenylenediamine is as ozone indicator, specifically, blank test paper can will be immersed hydrochloric acid N, N-
In the solution of diethyl p-phenylenediamine, then drying prepares ozone test section.Thus, it is possible to effectively detect in sample to be tested
Ozone content, as a result accurately and reliably.It in some embodiments of the invention, can be thio by blank test paper immersion benzophenone
The ethanol solution of object and drying, prepare chlorine residue test section.Thus, it is possible to which the chlorine residue effectively detected in sample to be tested contains
Amount, and it is easy to operate, quick.
It will be understood by those skilled in the art that the method for preparing each water-quality test area of foregoing description is all exemplary
, it is not intended to limit protection scope of the present invention, in the case where not needing to make the creative labor, tune appropriate is carried out to it
Whole, replacement, all belongs to the scope of protection of the present invention.
According to an embodiment of the invention, at least one of multiple water-quality test areas are detected based on color change.
Specifically, the Ca by taking hardness test area as an example, in sample to be tested2+And Mg2+It reacts, generates coloured with hardness indicator
Product, so that hardness test area develops the color, by measuring the color in hardness test area, and by itself and pre-set color information comparison, i.e.,
The hardness of sample to be tested can be obtained.The same hardness determination of other water quality testing datas, this is no longer going to repeat them., thereby, it is possible to logical
It crosses color detection and obtains corresponding water quality data, it is convenient and efficient, and be conducive to realize automatic operation.It should be noted that herein
Employed in describing mode " color change " either the variation of shade is also possible to the variation of different colours.
According to an embodiment of the invention, the test paper may further include control vitta 400 referring to Fig. 7.Of the invention
In some embodiments, which may include red vitta, blue vitta and yellow vitta.Facilitate as a result, based on control
Vitta 400 determines the colouring information of each test section, and testing result accuracy is good.Specifically, control vitta described herein with
Previously described consistent, this is no longer going to repeat them.It will be understood by those skilled in the art that the setting position of control vitta 400
It is not limited to situation shown in Fig. 7, those skilled in the art can select according to the actual situation, and Fig. 7 is merely illustrative
Technical solution of the present invention can not be interpreted as limitation of the present invention.
The embodiment of the present invention is described below in detail.
Embodiment 1
In this embodiment, water quality is detected according to the following steps:
Test paper is provided, which includes hand-held part, and the test department including multiple water-quality test areas, wherein is being tested
In portion, along the direction far from hand-held part, it is disposed with: hardness test area；Pesticide residue test section；Heavy-metal residual test
Area；Soda acid test section；Ozone test section；And chlorine residue test section.The test department of test paper is immersed no less than 3 in sample to be tested
Second, keep test paper test department completely wet, remaining moisture on test department is then dried, at this point, each water-quality test area meeting of test paper
It develops the color.Then, test paper is analyzed by application program for mobile terminal, it specifically, can be by being mounted with accordingly to answer
With the mobile phone of program, computer etc. there is the mobile terminal of camera to take pictures to the test department after colour developing, obtain the image of test department,
Then, server to is sent the image of acquisition by application program, server divides the colouring information of the image of acquisition
Analysis obtains the digitized image color information in each water-quality test area relevant to water quality, then, the number that server will obtain
The image color information of word with preset in the server predetermined color information (i.e. colorimetric card digitlization color believe
Breath) it is compared, it is based on comparison result, determines the water quality information of water sample to be measured.Using the above method to a variety of water samples (preparation
Standard sample, tap water, mineral water, pure water etc.) it is detected, and compared with the testing result visually compared,
The result shows that the testing result obtained using the above method is influenced smaller, testing result standard by external environment and people's subjectivity
True rate is higher.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (6)
1. a kind of system for detecting water quality characterized by comprising
Image acquisition unit, described image acquiring unit is for obtaining water quality detection test paper test department image；
Water quality information determination unit, the water quality information determination unit are to be measured to obtain for analyzing the test department image
The water quality information of water sample；
Image analysis module, described image analysis module are used to carry out digital assay to the color of the test department image, with
Just test department image color information is obtained；
Contrast module, pre-set color information is provided in the contrast module, and the contrast module is used for described image color
Information is compared with the pre-set color information, and the water quality information of the water sample to be measured is determined based on comparison result；
Vitta image acquisition unit is compareed, the control vitta image acquisition unit is for obtaining control vitta image；
Vitta image analyzing unit is compareed, the control vitta image analyzing unit is used to analyze the control vitta image, with
Just the control vitta image color information is obtained；
Standardisation Cell, the Standardisation Cell are based on the control vitta image color information to the test department color of image
Information is standardized.
2. system according to claim 1, which is characterized in that further comprise:
Push unit, and
Display unit,
Wherein, the push unit is used to the water quality information being sent to the display unit.
3. a kind of method using the system detection water quality of any of claims 1-2 characterized by comprising
(1) water sample to be measured is contacted with the test department of water quality detection test paper；
(2) image of the test department is obtained；
(3) image of the test department is analyzed, to obtain test department image color information；
(a) image of control vitta is obtained；
(b) image of the control vitta is analyzed, to obtain control vitta image color information；
(c) it is based on the control vitta colouring information, the test department image color information is standardized；
(4) the test department image color information Jing Guo the standardization is compared with pre-set color information, with
Determine the water quality information of the water sample to be measured.
4. according to the method described in claim 3, it is characterized in that, step (1) further comprises:
The test department of the water quality detection test paper is immersed in the water sample to be measured no less than 3 seconds, keeps the test department completely wet
Profit, then dries remaining moisture on the test department.
5. a kind of for detecting the test paper of water quality characterized by comprising
Hand-held part；
Test department, the test department include at least one water-quality test area；And
System operatio guides region, and the system operatio guides region for guiding user's downloading that can identify the test paper test
As a result application program；
Vitta is compareed, the control vitta includes red vitta, blue vitta and yellow vitta,
Wherein, the water-quality test area includes hardness test area, pesticide residue test section, heavy-metal residual test section, soda acid survey
Try at least one of area, ozone test section, chlorine residue test section and TDS value test section.
6. test paper according to claim 5, which is characterized in that at least one of described water-quality test area is become based on color
What change was detected.
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| CN107727651A (en) * | 2017-08-29 | 2018-02-23 | 太原理工大学 | The quick high-precision fixed amount detecting devices of pH in scene and method based on smart machine |
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| US11060968B2 (en) * | 2018-03-30 | 2021-07-13 | International Business Machines Corporation | Mobile chemical analysis |
| CN108760728B (en) * | 2018-04-28 | 2023-06-06 | 镇江市高等专科学校 | High-efficient pH detection device |
| CN109085162A (en) * | 2018-09-07 | 2018-12-25 | 东莞精准通检测认证股份有限公司 | A kind of chlorine residue detection method |
| CN110196250A (en) * | 2019-05-29 | 2019-09-03 | 江汉大学 | The detection method and processing equipment of Cr VI based on color component value |
| CN110806467A (en) * | 2019-10-25 | 2020-02-18 | 广州华清环境监测有限公司 | Water quality sampling, detecting and analyzing system |
| CN115508348A (en) * | 2021-06-23 | 2022-12-23 | 青岛海尔施特劳斯水设备有限公司 | Water quality determination method, device and system and storage medium |
| CN113945708A (en) * | 2021-10-15 | 2022-01-18 | 南方医科大学 | Urine detection method and system |
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