CN104251860A - Food safety testing analyzer based on intelligent terminal and testing method - Google Patents
Food safety testing analyzer based on intelligent terminal and testing method Download PDFInfo
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- CN104251860A CN104251860A CN201310269580.XA CN201310269580A CN104251860A CN 104251860 A CN104251860 A CN 104251860A CN 201310269580 A CN201310269580 A CN 201310269580A CN 104251860 A CN104251860 A CN 104251860A
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- 235000013305 food Nutrition 0.000 title claims abstract description 120
- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 238000009781 safety test method Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims abstract description 34
- 235000021393 food security Nutrition 0.000 claims description 71
- 239000012535 impurity Substances 0.000 claims description 19
- 238000004458 analytical method Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 238000011076 safety test Methods 0.000 abstract 3
- 238000010191 image analysis Methods 0.000 abstract 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 18
- 238000000034 method Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 2
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000012206 bottled water Nutrition 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- WZRRZVUZWWMSKH-UHFFFAOYSA-N n'-naphthalen-1-ylethane-1,2-diamine;hydrochloride Chemical compound Cl.C1=CC=C2C(NCCN)=CC=CC2=C1 WZRRZVUZWWMSKH-UHFFFAOYSA-N 0.000 description 1
- 229940005654 nitrite ion Drugs 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The invention discloses a food safety testing analyzer based on an intelligent terminal and a testing method; the food safety testing analyzer comprises food safety test paper and the intelligent terminal; the food safety test paper is chromogenic test paper, and comprises chemical substances capable of performing chromogenic reaction with harmful substances in to-be-measured food, the food safety test paper is used for chromogenic reaction after being contacted with the harmful substances in the to-be-measured food, and the degree of the change is proportional to the concentration of the harmful substances in the to-be-measured food. By use of video acquisition and image analysis contrast functions of the intelligent terminal, the detection of the concentration of the harmful substances in food can be realized, the operation mode is simple, and the detection precision is more accurate.
Description
Technical field
The invention belongs to technical field of food safety detection, be specifically related to a kind of based on the food safety detection analyser of intelligent terminal and the design of detection method.
Background technology
Domestic food security incident has entered a multiple phase, this with current economy, stage of social development level is inseparable.In brief; Living consumption improves and income increase has promoted food production and processing industry is fast-developing; this and create contradiction between the food safety Regulation that relatively lags behind and consumer protection system; when shortage effectively liquidates and relaxes mechanism; cause the common people to the huge disappointment of food security and distrust, caused analyzing demand for food safety detection and grow to even greater heights and the many aspects having infiltrated into society.
There is multiple traditional technological means can realize the detection analysis of food at present, but mostly need special instrument to carry out sample analysis and detection, analysis time is long, cost is high, complicated operation, utilize test paper method (also claiming Dry chemistry) to carry out the selection that examination and analysb is simple and effective the most, do not need large-scale instrument and equipment to complete detection.
But there are following two obvious problems in the test paper detecting method at present in food inspection: 1, can test concentrations be worth very few, and concentration value interval is very large; 2. individuality judges that colorimetric method standard is not tight: normally by the naked eyes of different user individuality, food security test paper and standard color comparison card are contrasted the concentration judging objectionable impurities in tested food at present, and when in tested food, concentration of narmful substance is more or less the same, in the different tested food of representative in standard color comparison card, the look post color difference of concentration of narmful substance is trickle, there is larger individual difference in naked-eye observation, further reduces the accuracy that in tested food, concentration of narmful substance judges.
Summary of the invention
The object of the invention is the problems and shortcomings in order to overcome the test paper method in current food safety detection analysis field, providing a kind of food safety detection analyser based on intelligent terminal and detection method.
The technical scheme that the present invention solves the employing of its technical matters is: a kind of food safety detection analyser based on intelligent terminal, comprises food security test paper and intelligent terminal; Described food security test paper is colour developing test paper, it comprise can with the chemical compositions of objectionable impurities generation chromogenic reaction in tested food, described food security test paper changes for contacting with objectionable impurities in tested food to occur to develop the color afterwards, and its intensity of variation is directly proportional to the concentration of objectionable impurities in tested food;
Described intelligent terminal comprises: shooting acquisition module, illuminant module, processor module and display module; Described shooting acquisition module is connected with illuminant module, for gathering the image of food security test paper generation chromogenic reaction, and by image transmitting to illuminant module; Described image color information for obtaining the image color information in described image, and is transferred to processor module by described illuminant module; Described processor module for analyzing the image color information with illuminant module transmission described in comparison, and exports result of determination to display module; Described display module is for showing the concentration of objectionable impurities in tested food.
Further, described processor module comprises: color reading unit, Database Unit, color analysis comparing unit and retrieving concentration unit, described color reading unit is for obtaining the pixel color value in the image color information of described illuminant module transmission, prestore in described Database Unit for the image color information of comparison, the pixel color value that described color analysis comparing unit is transmitted by the image color information for comparison that prestores in calling data library unit and color reading unit carries out analyzing and comparison, for determining the image color information that the image color information that prestores in the pixel color value transmitted with color reading unit and Database Unit is the most close, described retrieving concentration unit is by the most close image color information for comparison and call that deposit in retrieving concentration unit with concentration of narmful substance value in the tested food corresponding for the image color information of comparison prestored in Database Unit, for obtaining the concentration of objectionable impurities in tested food.
Further, described intelligent terminal also comprises communication module, and described communication module is connected with processor module, for being uploaded in outer remote server by the concentration information of objectionable impurities in the tested food recorded.
Further, described illuminant module adopts ccd image sensor or cmos image sensor to realize.
Further, described shooting acquisition module at least comprises a camera.
Further, described display module adopts liquid crystal display.
Based on a food safety detection method for intelligent terminal, specifically comprise the steps:
Step 1: if tested food samples is liquid, directly food security test paper is placed in tested food samples the tested food samples generation chromogenic reaction making food security test paper and liquid, color to food security test paper no longer changes, and takes out the placement of food security test paper and leaves standstill in atmosphere; If tested food samples is solid, first fraction solids food samples is broken into pieces, get the broken food samples of equal weight and pure water or distilled water to be placed in cup and to mix, again food security test paper is positioned in cup, after no longer changing to the color of food security test paper, take out food security test paper and place and leave standstill in atmosphere;
Step 2: image acquisition is carried out to the food security test paper changing color after generation chromogenic reaction;
Step 3: utilize the data stream of bitmap to obtain the color value of the pixel at food security test paper place in collected image;
Step 4: the image color information prestored in the color value of pixel obtained in described step 3 and database is compared, obtains image color information the most close with the color value of the pixel at food security test paper place in database;
Step 5: concentration of narmful substance inverting in tested food is carried out to the image color information the most close obtained in described step 4, then by look-up table, image color information is converted to concentration of narmful substance information in tested food;
Step 6: concentration of narmful substance information in the tested food obtained in described step 5 is shown.
Further, also comprise: calibrate current light environment before described step 2, the color that setting now enters the blank sheet of paper of camera module is the white of standard.
Beneficial effect of the present invention: a kind of food safety detection analyser based on intelligent terminal of the present invention and detection method, combine conveniently mobile Internet and low cost, easy-operating food security test paper advantage separately, food security information can be monitored whenever and wherever possible, dirigibility and accuracy significantly strengthen, and make overall food safety detection function become more abundant and powerful, user only needs to start intelligent terminal, utilize camera module that the colouring information of food security test paper is inputed to intelligent terminal inside, by again food security concentration information being shown to user after the analyzing and processing of central processing unit, efficiently solve and utilize naked-eye observation food security test paper to there is the individual bigger difference differentiated color, improve the precision of detection, also solving food security test paper can the very few and problem that interval is very large of test concentrations value, testing result can send to remote server, supply the data sharing between user and extensively exchange, and online evaluation can be provided and order the value-added services such as test paper.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Food Safety Analysis instrument based on intelligent terminal of the embodiment of the present invention;
Fig. 2 is the FB(flow block) of a kind of food security method based on intelligent terminal of the embodiment of the present invention;
Wherein: the shooting acquisition module 21 in food security test paper 1, intelligent terminal 2, intelligent terminal, illuminant module 22, processor module 23, color reading unit 231, Database Unit 232, color analysis comparing unit 233, retrieving concentration unit 234, display module 24, communication module 25, remote server 3.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Be the structural representation of a kind of food safety detection analyser based on intelligent terminal provided by the invention as shown in Figure 1, it comprises food security test paper 1 and intelligent terminal 2; Described food security test paper 1 is colour developing test paper, it comprise can with the chemical compositions of objectionable impurities generation chromogenic reaction in tested food, described food security test paper 1 changes for contacting with objectionable impurities in tested food to occur to develop the color afterwards, and its intensity of variation is directly proportional to the concentration of objectionable impurities in tested food;
Described intelligent terminal 2 comprises: shooting acquisition module 21, illuminant module 22, processor module 23 and display module 24; Described shooting acquisition module 21 is connected with illuminant module 22, for gathering the image of food security test paper generation chromogenic reaction, and by image transmitting to illuminant module 22; Described image color information for obtaining the image color information in described image, and is transferred to processor module 23 by described illuminant module 22; Described processor module 23 for analyzing the image color information transmitted with illuminant module described in comparison 22, and exports result of determination to display module 24; Described display module 24 is for showing the concentration of objectionable impurities in tested food.
Wherein, described processor module 23 comprises: color reading unit 231, Database Unit 232, color analysis comparing unit 233 and retrieving concentration unit 234, described color reading unit 231 for obtain described illuminant module 22 transmission image color information in pixel color value, prestore in described Database Unit 232 for the image color information of comparison, the pixel color value that described color analysis comparing unit 233 is transmitted by the image color information for comparison that prestores in calling data library unit 232 and color reading unit 231 carries out analyzing and comparison, for determining the image color information that the image color information that prestores in the pixel color value transmitted with color reading unit 231 and Database Unit 232 is the most close, described retrieving concentration unit 234 is by the image color information for comparison the most close and call that deposit in retrieving concentration unit 234 with concentration of narmful substance value in the tested food corresponding for the image color information of comparison prestored in Database Unit 232, for obtaining the concentration of objectionable impurities in tested food.Simultaneously, a kind of food safety detection analyser based on intelligent terminal provided by the invention also can comprise communication module 25, described communication module 25 is connected with processor module 23, for concentration of narmful substance information in the tested food recorded being uploaded in outer remote server 3.
A kind of food safety detection analyser based on intelligent terminal provided by the invention has taken into full account the present situation of current Food Safety Analysis means, adopt removable, Food Safety Analysis instrument that can be portable, more convenient and important solution is provided, along with the arrival in 3G and even 4G epoch and the universal of intelligent terminal, with regard to popularity rate and utilization rate, intelligent terminal is used to realize removable, Food Safety Analysis instrument that can be portable is best selection scheme, conveniently mobile Internet application also can make food safety detection function become more abundant and powerful simultaneously, user only needs the food safety detection module starting intelligent terminal, food safety detection module utilizes camera that the colouring information representing concentration of narmful substance in tested food is inputed to intelligent terminal inside, by can by concentration of narmful substance information displaying in tested food to user after analyzing and processing, efficiently solve and utilize naked-eye observation to be there is the individual problem to the bigger difference that color is differentiated by food security test paper, also solving food security test paper can the very few and problem that interval is very large of test concentrations value, and the extensive interchange that can be provided between user, the value-added services such as shopping on net test paper.
Wherein, described intelligent terminal refers to smart mobile phone, panel computer and notebook computer, reader etc. smart portable device, and it comprises the operating system can carrying out independent operating.
Be illustrated in figure 2 a kind of schematic flow sheet based on intelligent terminal liquid detecting method provided by the invention, it specifically comprises the steps:
Step 1: if tested food samples is liquid, can direct sample, be placed into by food security test paper in the tested food samples of liquid, after generation chromogenic reaction, a period of time color no longer changes, normally after 10-20 minute, take out the placement of food security test paper and leave standstill in atmosphere; If tested food samples is solid sample, tested for part food samples can be broken into pieces, get the broken sample of equal weight and pure water or distilled water, be placed in cup to mix, after soaking a period of time after shake well, normally 10-20 minute, food security test paper is positioned in cup, after generation chromogenic reaction, a period of time color no longer changes, normally 10-20 minute, takes out the placement of food security test paper and leaves standstill in atmosphere;
Step 2: image acquisition is carried out to the food security test paper changing color after generation chromogenic reaction;
Step 3: utilize the data stream of bitmap to obtain the color value of the pixel at food security test paper place in collected image;
Step 4: the image color information prestored in the color value of pixel obtained in described step 3 and database is compared, obtains image color information the most close with the color value of the pixel at food security test paper place in database;
Step 5: concentration of narmful substance inverting in tested food is carried out to the image color information the most close obtained in described step 4, then by look-up table, image color information is converted to concentration of narmful substance information in tested food;
Step 6: concentration of narmful substance information in the tested food obtained in described step 5 is shown.
Wherein, also comprise: calibrate current light environment before described step 2, the color that setting now enters the blank sheet of paper of camera module is the white of standard, but in the less demanding situation of color accuracy, this step also can be omitted.
Can understand in order to those of ordinary skill in the art and implement technical scheme of the present invention, below in conjunction with the concrete course of work, a kind of food safety detection analyser based on intelligent terminal of the present invention and detection method being described in further detail:
A kind of food safety detection analyser based on intelligent terminal, comprise food security test paper 1, intelligent terminal 2, shooting acquisition module 21 in intelligent terminal, illuminant module 22, processor module 23, color reading unit 231, Database Unit 232, color analysis comparing unit 233, retrieving concentration unit 234, display module 24, communication module 25, and the remote server 3 wireless interconnected with the communication module 25 of intelligent terminal 2, wherein, described shooting acquisition module 21 comprises a camera and its peripheral interface circuit, described illuminant module 22 adopts ccd image sensor to realize,
If tested food samples is liquid, can direct sample, be placed in the food samples of liquid by food security test paper, after generation chromogenic reaction, a period of time color no longer changes, normally 10-20 minute, takes out the placement of food security test paper and leaves standstill in atmosphere; If tested food samples is solid sample, Partial Food sample can be broken into pieces, get the broken food samples of equal weight and pure water or distilled water, be placed in cup to mix, after soaking a period of time after shake well, normally 10-20 minute, food security test paper is positioned in cup, after generation chromogenic reaction, a period of time color no longer changes, normally 10-20 minute, takes out the placement of food security test paper and leaves standstill in atmosphere.First user starts food security detecting module and enters duty on intelligent terminal 2, by the camera of intelligent terminal 2, a blank sheet of paper is taken pictures in real time, with the trickle aberration that calibration causes due to the difference of photoenvironment, the color that setting now enters camera is the white of standard, to the less demanding occasion of color accuracy, this step can be skipped; the camera in shooting acquisition module is utilized to take pictures in real time to the food security test paper 1 changing color after generation chromogenic reaction afterwards, the illuminant module 22 of intelligent terminal inside is utilized to obtain image color information, and image color information is sent into the processor module 23 of intelligent terminal, color read module 231 in processor module 23 utilizes the data stream of bitmap can obtain the color value of the pixel at food security test paper 1 place in image, by color analysis comparing module 233, the image color information prestored in the Database Unit 232 in the color value of the pixel at food security test paper 1 place and intelligent terminal is compared afterwards, obtain image color information the most close with the color value of the pixel at food security test paper 1 place in Database Unit 232, and the one-to-one relationship in the image color information had in retrieving concentration unit 234 in Database Unit 232 and tested food between concentration of narmful substance information, therefore by look-up table, image color information can be converted to concentration of narmful substance information in tested food after the image color information in Database Unit 232 enters retrieving concentration unit 234, in the tested food that retrieving concentration unit 234 exports by last processor module 23, concentration of narmful substance information sends into display module 24, to show concentration of narmful substance value in tested food, user can utilize the display module 24 of intelligent terminal to read concentration of narmful substance value in current tested food, and concentration of narmful substance value in tested food can be sent to and wireless interconnected remote server 3 by communication module 25, for sharing with other user data and extensively exchanging.Above content is detailed process and the major function of food safety detection analyser practical function, in the application of reality, also can comprise a series of additional function of concentration of narmful substance prompting etc. in concentration of narmful substance data statistics in tested food, tested food, also can provide online and evaluate and order value-added service such as different types of food security test paper 1 grade.
Below in conjunction with concrete embodiment, a kind of food safety detection analyser based on intelligent terminal of the present invention and detection method are elaborated:
The objectionable impurities of described tested food is nitrite, described intelligent terminal is smart mobile phone, described food security test paper be can with the test paper of nitrite generation chromogenic reaction that comprises in tested food, such as test the food security test paper of nitrite by preparing with under type: with the developer A containing 4-aminobenzene sulfonamide and N-1-naphthyl ethylenediamine hydrochloride and containing the alpha-naphthylamine solution of 1:1 and the developer B of sulfanilic acid solution, as developer after mixing by 1:3, by test paper being immersed in developer 2O by 30 minutes, taking-up final vacuum is dry, namely the food security test paper of test nitrite has been obtained.The color intensity of variation of the food security test paper of described test nitrite is directly proportional to nitrite ion concentration.
Its concrete operation steps is:
Step 1: tested for part food samples is broken into pieces, get the broken sample of equal weight and pure water or distilled water, be placed in cup to mix, after soaking a period of time after shake well, normally 10-20 minute, is positioned in cup by the food security test paper of test nitrite, and after generation chromogenic reaction, a period of time color no longer changes, normally 10-20 minute, the food security test paper placement of taking out test nitrite leaves standstill in atmosphere;
Step 2: open smart mobile phone, enter nitrite testing process;
Step 3: the camera module of smart mobile phone is aimed at a blank sheet of paper, calibrates current light environment, and the color that setting now enters camera module is the white of standard;
Step 4: the camera module of smart mobile phone is aimed at the food security test paper changing the test nitrite of color after detecting, carry out nitrite concentration detection, testing process comprises extraction to image color information, analysis, contrast, finally determines nitrite concentration;
Step 5: the nitrite concentration value of the current tested food samples of display module display of intelligent terminal;
Step 6: as again detected nitrite concentration, then repeat step 2-5; If do not needed again to detect nitrite concentration, then exit nitrite testing process.
In the application of reality, described tested food objectionable constituent are except nitrite, can also be other multiple objectionable constituent, as heavy metal, melamine, waste oil etc., wherein said food security test paper should comprise can with the material composition of corresponding tested food objectionable constituent generation chromogenic reaction, described tested food can be milk powder, milk, meat, potable water, grain, kitchen staple food, gourd, fruit and vegetable, Water soaking products, kitchen flavouring etc., in the present embodiment only for the nitrite in food, but the protection domain of the present patent application scheme is not limited.
Claims (8)
1. based on a food safety detection analyser for intelligent terminal, it is characterized in that, comprise food security test paper and intelligent terminal; Described food security test paper is colour developing test paper, it comprise can with the chemical compositions of objectionable impurities generation chromogenic reaction in tested food, described food security test paper changes for contacting with objectionable impurities in tested food to occur to develop the color afterwards, and its intensity of variation is directly proportional to the concentration of objectionable impurities in tested food;
Described intelligent terminal comprises: shooting acquisition module, illuminant module, processor module and display module; Described shooting acquisition module is connected with illuminant module, for gathering the image of food security test paper generation chromogenic reaction, and by image transmitting to illuminant module; Described image color information for obtaining the image color information in described image, and is transferred to processor module by described illuminant module; Described processor module for analyzing the image color information with illuminant module transmission described in comparison, and exports result of determination to display module; Described display module is for showing the concentration of objectionable impurities in tested food.
2. a kind of food safety detection analyser based on intelligent terminal as claimed in claim 1, it is characterized in that, described processor module comprises: color reading unit, Database Unit, color analysis comparing unit and retrieving concentration unit, described color reading unit is for obtaining the pixel color value in the image color information of described illuminant module transmission, prestore in described Database Unit for the image color information of comparison, the pixel color value that described color analysis comparing unit is transmitted by the image color information for comparison that prestores in calling data library unit and color reading unit carries out analyzing and comparison, for determining the image color information that the image color information that prestores in the pixel color value transmitted with color reading unit and Database Unit is the most close, described retrieving concentration unit is by the most close image color information for comparison and call that deposit in retrieving concentration unit with concentration of narmful substance value in the tested food corresponding for the image color information of comparison prestored in Database Unit, for obtaining the concentration of objectionable impurities in tested food.
3. a kind of food safety detection analyser based on intelligent terminal as claimed in claim 1, it is characterized in that, described intelligent terminal also comprises communication module, described communication module is connected with processor module, for being uploaded in outer remote server by the concentration information of objectionable impurities in the tested food recorded.
4. a kind of food safety detection analyser based on intelligent terminal as described in any one of claims 1 to 3 claim, is characterized in that, described illuminant module adopts ccd image sensor or cmos image sensor to realize.
5. a kind of food safety detection analyser based on intelligent terminal as described in any one of claims 1 to 3 claim, it is characterized in that, described shooting acquisition module at least comprises a camera.
6. a kind of food safety detection analyser based on intelligent terminal as described in any one of claims 1 to 3 claim, is characterized in that, described display module adopts liquid crystal display.
7., based on a food safety detection method for intelligent terminal, it is characterized in that, specifically comprise the steps:
Step 1: if tested food samples is liquid, directly food security test paper is placed in tested food samples the tested food samples generation chromogenic reaction making food security test paper and liquid, color to food security test paper no longer changes, and takes out the placement of food security test paper and leaves standstill in atmosphere; If tested food samples is solid, first fraction solids food samples is broken into pieces, get the broken food samples of equal weight and pure water or distilled water to be placed in cup and to mix, again food security test paper is positioned in cup, after no longer changing to the color of food security test paper, take out food security test paper and place and leave standstill in atmosphere;
Step 2: image acquisition is carried out to the food security test paper changing color after generation chromogenic reaction;
Step 3: utilize the data stream of bitmap to obtain the color value of the pixel at food security test paper place in collected image;
Step 4: the image color information prestored in the color value of pixel obtained in described step 3 and database is compared, obtains image color information the most close with the color value of the pixel at food security test paper place in database;
Step 5: concentration of narmful substance inverting in tested food is carried out to the image color information the most close obtained in described step 4, then by look-up table, image color information is converted to concentration of narmful substance information in tested food;
Step 6: concentration of narmful substance information in the tested food obtained in described step 5 is shown.
8. a kind of food safety detection method based on intelligent terminal as claimed in claim 7, is characterized in that, also comprises: calibrate current light environment before described step 2, and the color that setting now enters the blank sheet of paper of camera module is the white of standard.
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| CN110055169A (en) * | 2019-05-07 | 2019-07-26 | 电子科技大学 | A kind of halide alcohol dehalogenase library quantitative screening method and associated micro fluidic system |
| CN110261554A (en) * | 2019-07-15 | 2019-09-20 | 北京中孚豹科技有限公司 | A kind of food safety detection system and method |
| CN110717768A (en) * | 2019-10-16 | 2020-01-21 | 济南大学 | Milk powder tracing and reasonable sale system |
| CN110702859A (en) * | 2019-10-21 | 2020-01-17 | 东营市尚科石油装备有限公司 | Intelligent judgment system for activity of microbial inoculum for kitchen waste treatment and operation method |
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| CN112394060A (en) * | 2020-11-17 | 2021-02-23 | 广东工业大学 | Simple intelligent label for detecting whether raw meat is deteriorated |
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