CN101885391B - Device and method for acquiring product coded identifier information - Google Patents
Device and method for acquiring product coded identifier information Download PDFInfo
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- CN101885391B CN101885391B CN2010101989380A CN201010198938A CN101885391B CN 101885391 B CN101885391 B CN 101885391B CN 2010101989380 A CN2010101989380 A CN 2010101989380A CN 201010198938 A CN201010198938 A CN 201010198938A CN 101885391 B CN101885391 B CN 101885391B
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Abstract
The invention relates to a device and a method for acquiring product coded identifier information. The device comprises a data acquisition unit, a data identification unit and a control unit, wherein the data acquisition unit is positioned above a convey belt and comprises an image device, a lighting device and a position photoelectric switch; the image device is used for photographing product coded identifier to obtain image data; the lighting device is used for irradiating the product coded identifier; the position photoelectric switch is used for sensing the position of the product on the convey belt; the data identification unit is used for identifying and processing the image data acquired by the data acquisition unit to obtain the product coded identifier information and storing the information and is also connected with the image device and the control unit respectively through a data line; and the control unit is used for controlling the data acquisition unit, and connected with the data identification unit, the image device, the lighting device and the position photoelectric switch respectively through data lines. The invention also provides the method for acquiring the product coded identifier information.
Description
Technical field
The present invention relates to a kind of product data harvester and method, specifically relate to the acquiring product coded identifier information device and method.
Background technology
Common product all (for example identifies product related information with numerical code or bar code (one dimension sign indicating number, two-dimension code) in the market; Date manufactured, shelf-life, manufacturer etc.); Manufacturing line is composed sign indicating number and how to be identified single product information with numerical code fast, and bar code uses less relatively.
Mostly means and method that existing manufacturing line is followed the tracks of product information are preceding interrelational form; Promptly information system has been set the incidence relation of single product information and parcel vanning identification information (comprise this packing chest in predetermined each product information) in advance before packaging products in boxes, the incidence relation of parcel vanning identification information and middle packing chest identification information (comprise each parcel of being scheduled in the packing chest in this case identification information).But on the product modern chemical industry sparetime university large-scale production conveyor line; Time is that unit calculates with the second; For raise the efficiency, cost-cutting, enterprise uses mechanical device to case usually and can't accurately case in strict accordance with the predefined related information of information system, in case a packaging products in boxes mistake; The accuracy of all afterwards products and the relevance of vanning all will be affected, and be difficult to realize the accurate tracking and the collection of product information.
Follow the tracks of the improvement of the preceding interrelational form of product information as above-mentioned manufacturing line; Some enterprise uses the much channel communication of streaming buffer vanning that product is shunted; To guarantee that packaging products in boxes does not make a mistake; But in practice, multi-channel shunting product not only takies bigger usage space, the improvement of manufacturing line cycle is long, cost is high, and phenomenons such as broken, damage also can take place to squeeze in the shunting process product; It is accurately related to guarantee that still every product information and system preestablish information; Simultaneously product has some abnormal condition to need to handle in Production and Packaging line and logistics distribution process usually, as: numerical code or bar code can't read, product is got inspection, piece together case, non-whole packing joint sealing, change interior packing etc., all can upset the product mark information of generation according to the order of sequence; The preceding interrelational form that causes thus following the tracks of product can't effectively be gathered, follow the tracks of product information, cause product through sale, after the shipping for the tracing management of whether sending out goods wrong and be difficult to realize every product.Especially emit product for the puppet of serious harm market order; Violation industry rule; Utilize commodity area price difference, cultural difference; More difficult tracking of falsifying behavior trans-regional, scrambled merchandising greatly limited the Inner Logistics Management platform production data gathered, and product carried out the supervision of false proof, anti-falsifying.
Therefore; Means and method (for example information traceability system and information retroactive method) to manufacturing line tracking product information begins to adopt the back interrelational form now; Promptly incidence relation between single product information and the vanning information is not preestablished in information system; But behind single packaging products in boxes, come to generate automatically the identification information of parcel vanning through data acquisition, identification to each product information; Automatically generate the identification information of the middle packing chest that the parcel vanning is housed through data acquisition, by that analogy to the identification information of each parcel vanning.
Back interrelational form is followed the tracks of between product information and the vanning information can form relevance accurately; But the product mark information acquisition mode effect of back relevance is unsatisfactory at present; The general common camera of using gathers product mark information for product numerical code or the bar code imaging mode of taking pictures, and handles in that imaging data is transferred to computing machine.The code-spraying printing ink that is used for product indicia information in the market all is a common ink, and this common ink can satisfy the purpose of identification information basically, but for the pick up camera imaging of taking pictures; Common ink does not have special light sensation effect; In pick up camera is taken pictures imaging, be subject to packing of product background color, ambient interference, the product mark discrimination can not be met the need of market, and causes producing image color and disturbs big; The identification difficulty; Even beyond all recognition situation appears, bring big difficulty, poor effect for product mark information acquisition work.
Summary of the invention
For solving the problems of the technologies described above; The object of the present invention is to provide a kind of acquiring product coded identifier information device, this device is taken pictures through the coded identifier to product, obtains the image that is easy to discern; With this coded identifier information that obtains product, have the efficient height, discern advantage accurately.
The present invention also aims to provide a kind of acquiring product coded identifier information method.
The present invention also aims to provide a kind of information traceability system based on product coded identifier information.
The present invention also aims to provide a kind of information retroactive method based on product coded identifier information.
For achieving the above object, the present invention at first provides a kind of acquiring product coded identifier information device, and it comprises: data acquisition unit, data identification unit and control unit, wherein:
Said data acquisition unit is positioned at the belt conveyor top; It comprises an imaging device, a luminaire and a position photoelectric switch; Wherein, Said imaging device is used for the product coded identifier acquisition view data of taking pictures, and said luminaire is used for product coded identifier is shone, and said position photoelectric switch is used to respond to the position of the product on the belt conveyor;
Data identification unit is used for the view data that the data collecting unit obtains is discerned processing, obtains product coded identifier information data and storage, and it is connected with imaging device, control unit respectively through data line;
Control unit is used for the control data collecting unit, and it is connected with data identification unit, imaging device, luminaire and position photoelectric switch respectively through data line.
Above-mentioned harvester provided by the invention mainly is to gather to the product coded identifier information in the product coded identifiers such as numerical code that is raw material with printing ink, obtains through the coding mode or bar code; This product coded identifier preferably is arranged on the top of product, can obtain better collection effect like this.
In the said goods coded identifier information collecting device provided by the invention, preferably, said imaging device is high-speed camera or high-speed digital camera.Above-mentionedly can take pictures fast through adopting, the imaging device of fast imaging, can in the shorter time, obtain better to take pictures effect, help identification and processing for product coded identifier information.The picture after gathering of taking pictures can be automatically converted to view data (like character information) through pick up camera or digital camera in-to-in conv and store and be sent to image identification unit.
In the said goods coded identifier information collecting device provided by the invention, preferably, said imaging device has a camera lens, and the lower end of this camera lens is provided with a band-pass filter.Can the light that get into the imaging device camera lens be filtered through band pass filter, to obtain better to take pictures effect.
In the said goods coded identifier information collecting device provided by the invention, preferably, said luminaire is for sending the exciting light producer of laser, infrared light or ultraviolet light.More preferably, said exciting light producer is laser generator, infrared light generator or ultraviolet light generator etc., and this ultraviolet light generator can be the exposed plate that is provided with the ultraviolet leds array.When product coded identifier is when processing with common ink, can adopt ordinary light source as luminaire.When product coded identifier is to be added with fluorescent materials printing ink etc. when processing; Difference according to ink type; Send different exciting lights through the exciting light producer, can excite the fluorescent material in the printing ink, make it send fluorescence; Make fluorescence get into imaging device and be carried out to picture, can avoid the influence of other light so better.Wherein, Above-mentioned laser generator, infrared light generator, ultraviolet light generator can be the devices of using always; The shape of the product coded identifier that the ultraviolet leds array in the exposed plate can be taken pictures as required and character of surface etc. are provided with; Make the enough fluorescence of its generation just passable as long as can shine coded identifier, this led array can have different spread patterns such as annular, rectangle, bar shaped.
According to concrete technical scheme of the present invention, preferably, this acquiring product coded identifier information device also comprises a darkroom, and it has an inlet and an outlet, and said data acquisition unit is positioned at said darkroom.In addition, the position photoelectric switch also can be arranged on inside, darkroom, near inlet or outlet.Through data acquisition unit is arranged in the darkroom, and adopt luminaire that the method that coded identifier shines is taken pictures, can avoid of the influence of the light of packing of product background color and external environment well, obtain more distinct image for imaging.
In the present invention; Related coded identifier information can be the beacon information in the packing of product; For example the character on beverage bottle cap or electronic product external packing top, bar code etc. can comprise the control information of raw-material supplier batch information, maker's production process, the control information of sale intermediate links etc.Specifically discerning or extract which information can be provided with as required.
In the said goods coded identifier information collecting device provided by the invention, preferably, said control unit comprises a light source drive power, and this light source drive power is used to control the fluorescent lifetime of said luminaire.This light source drive power carry out for the time of the drive current that the control that equipment takes place can be carried through control, can adopt the fluorescent lifetime (irradiation) of different length for different printing ink codings, generally can be several milliseconds.
The present invention also provides a kind of product coded identifier information image-forming data acquisition method, and it may further comprise the steps:
Product coded identifier is made public;
To the product coded identifier acquisition view data of taking pictures;
View data is discerned processing, obtain product mark information and storage.
Said method can adopt product coded identifier information image-forming data acquisition device provided by the invention to carry out.
In product coded identifier information image-forming data acquisition method provided by the invention, preferably, said product coded identifier is character coding or the bar shaped coding that is obtained through spraying method by printing ink.More preferably, the printing ink that is adopted here can be to be added with fluorescent materials printing ink, for example infrared excitation visible fluorescence printing ink, ultraviolet excitation visible fluorescence printing ink or laser excitation visible fluorescence printing ink etc.
In product coded identifier information image-forming data acquisition method provided by the invention, preferably, said exposure is meant and utilizes laser, ultraviolet light or infrared light that character coding or bar shaped coding are shone, so that identification information is luminous, colour developing.
In product coded identifier information image-forming data acquisition method provided by the invention; Preferably; Said taking pictures carried out through high-speed camera or high-speed digital camera; And, through band-pass filter the light that gets into said high-speed camera or high-speed digital camera is filtered, the needed light of taking pictures (for example fluorescence) is got into.Excitation fluorescence that fluorescent ink produces often very a little less than, if from exciting light, do not separate it, its light that can be excited floods fully; Produce principle from fluorescence and can know that the wavelength of fluorescence is greater than exciting light wavelength, therefore; Through at the pre-installed band-pass filter of camera lens, can filter a part of parasitic light, identical with the phosphor emission wavelength ranges or akin fluorescence is got in the imaging device; Make fluorescence show that in the image of taking ground is more clear; Weaken the influence of background color effectively, obtain eye-catching, as to be prone to identification image, can discern product coded identifier information better like this.For can being set in phosphor in the printing ink be excited optical excitation transition and wavelength of light emitted scope through the range of wavelength of band-pass filter.
In product coded identifier information image-forming data acquisition method provided by the invention, preferably, saidly take pictures after irradiation is accomplished, fluorescence carries out before disappearing.Generally speaking; Imaging device is just taken pictures during luminaire irradiation coded identifier; In this optimal technical scheme, in irradiation and between taking pictures is set a delay time (time difference), exciting light irradiation (flash of light) back shutter is not taken pictures; But when exciting light disappearance back, fluorescence also do not disappear, take pictures.Through is set delay time; Can separate with fluorescence exciting light; Fluorescence has a time course from producing complete obiteration, does not wait from several microseconds to a few minutes, gives delay time of shutter of imaging device (high-speed camera, high-speed digital camera etc.); Let begin fluorescence is taken pictures after the exciting light complete obiteration, can get rid of the interference of exciting light well.Can measure definite above-mentioned delay time according to the fluorescence extinction time that exciting light and fluorescent ink send, between getting final product between the two.
In above-mentioned acquisition method provided by the invention; Preferably, the luminescent material in the fluorescent ink of formation coded identifier, the kind of exciting light, the kind of band-pass filter etc. can cooperatively interact, mutual correspondence, to reach best imaging, recognition effect; Particularly; Select corresponding exciting light according to the fluorescent material in the fluorescent ink, can control the power of fluorescence through the power of regulating exciting light, simultaneously; Can select the range of wavelength of band pass filter according to the wavelength that excites light wavelength and fluorescence; As much as possible fluorescence is separated with exciting light and other disturbance, make fluorescence pass through filter plate and get into camera lens, obtain the preferable image effect.
In product coded identifier information image-forming data acquisition method provided by the invention; Said identification processing is meant said view data and said preassigned is compared; And,, store this view data when said view data meets said predetermined standard time; When said view data does not meet said predetermined standard time, do not store this view data.In said method provided by the invention; This preassigned can be set according to actual needs, for example can be to judge whether meet predetermined requirement by the coded identifier information content of gathering in the view data, information line number, scope, if do not meet; Then do not store this coded identifier information; And, can harvester be associated with manufacturing line, send instruction to manufacturing line; By corresponding apparatus this product is shifted out normal manufacturing line, guarantee the tax sign indicating number identifying information of storage and the correspondence of product.
The present invention also provides a kind of information traceability system based on product coded identifier information, and it comprises: data acquisition unit, data verification units and Data Detection unit, wherein,
Said data acquisition unit is an above-mentioned acquiring product coded identifier information device provided by the invention, is used to gather the original coded identifier information and the storage of product;
Said Data Detection unit is used to detect the view data of the coded identifier of product to be measured;
Said data verification units is connected with Data Detection unit, data acquisition unit respectively through data line; Be used to receive said Data Detection unit and detect the view data that obtains; Obtain product coded identifier information to be measured, the said original coded identifier information of said product coded identifier information to be measured and said data acquisition unit storage is judged relatively and testing result is exported.
In above-mentioned information traceability system, preferably, the data identification unit of said acquiring product coded identifier information device is connected through data line with said data verification units, is used to provide the said original coded identifier information of its storage.
In above-mentioned information traceability system, preferably, said Data Detection unit comprises an imaging device, is used for the product coded identifier of product to be measured is taken pictures and obtained view data.This imaging device can adopt the imaging device of present routine, also can have with acquiring product coded identifier information device provided by the invention in the identical structure of data acquisition unit.
The present invention also provides a kind of information retroactive method, and it specifically may further comprise the steps:
According to the said goods identification information image-forming data acquisition method provided by the invention product coded identifier information is gathered, obtain original coded identifier information and storage;
Coded identifier to product to be measured detects or gathers, and obtains coded identifier information to be measured;
Coded identifier information to be measured and original coded identifier information are compared, comparative result is exported.
Said method provided by the invention can carry out through above-mentioned information traceability system.In this information retroactive method, generally all be before product export, just to accomplish for the collection of original coded identifier information, and all original coded identifier information all is stored in the corresponding database in the data identification unit.Relatively exactly the original coded identifier information in the coded identifier information and date to be measured storehouse is compared between coded identifier information to be measured and the original coded identifier information; See if there is the information that is consistent: if the information that is consistent is arranged; Then comparative result is for meeting (or result of the similar meaning); Simultaneously, can original coded identifier information be exported in the lump; If can't find the information that is consistent, then comparative result is not for meeting (or result of the similar meaning).People can carry out different processing to product to be measured according to these comparative results.
In above-mentioned information retroactive method provided by the invention, preferably, the acquisition of original coded identifier information comprises following concrete steps:
Coded identifier information to product is gathered, and obtains first order coded identifier information and storage;
The first order packing chest that the product of predetermined quantity is packed into and had coded identifier; And the coded identifier information of this first order packing chest is gathered according to above-mentioned acquisition method; Obtain second stage coded identifier information and storage, and this second stage coded identifier information is associated with first order coded identifier information;
The second stage packing chest that the first order packing chest of predetermined quantity is packed into and had coded identifier; And the coded identifier information of this second stage packing chest is gathered according to above-mentioned acquisition method; Obtain third stage coded identifier information and storage, and this third stage coded identifier information is associated with second stage coded identifier information;
Repeat above-mentioned vanning and coded identifier information acquisition step, up to obtain predetermined quantity, the multistage coded identifier information that is mutually related, this multistage coded identifier information is formed original coded identifier information.
Tax sign indicating number, encrypted code or three's that above-mentioned original coded identifier information can be hatted code, regular implication combination in any.
Above-mentioned information retroactive method provided by the invention can adopt information traceability system provided by the invention to carry out.In above-mentioned information retroactive method; The product of being adorned in each grade packaged case or the quantity of upper class packing chest can be set according to needs of production; Simultaneously; In pairing product coded identifier information, also can embody this, concrete embodiment mode can be carried out according to common way.The quantity and the progression of the coded identifier information of gathering for needs also can be set according to actual needs.After each other coded identifier information of level is gathered; Acquisition comprises the original coded identifier information of the multistage coded identifier information that is mutually related; This original coded identifier information can be formed corresponding database, and this step just can be accomplished before product export.
At above-mentioned information retroactive method provided by the invention; Preferably; Said relatively being meant carried out matching ratio with coded identifier information to be measured with all coded identifier information (comprising each other coded identifier information of level): if there is the coded identifier information that is consistent with coded identifier information to be measured, and then output and the cooresponding original coded identifier information of this coded identifier information; If there is not the coded identifier information that is consistent with coded identifier information to be measured, then there is not the information that is consistent in output.
In information retroactive method provided by the invention, the coding that related coded identifier preferably forms through the coding mode with fluorescent ink etc.In above-mentioned information retroactive method, can also original coded identifier information and other information of product, packing chest etc. be carried out relatedly, when showing original coded identifier information, also show these related informations in the lump.
In the present invention, the data identification unit that is adopted, control unit, Data Detection unit, data verification units all can be the computing machines with corresponding function, but are not limited thereto.
Acquiring product coded identifier information device and method provided by the invention and contain the blur-free imaging that the information traceability system and the retroactive method based on product coded identifier information of said apparatus can be realized product mark such as numerical code, bar code in the packing of product; Product coded identifier shows higher brightness; Be higher than background colour far away, product coded identifier information Recognition rate is high, effective, can realize reading and gathering of back correlation product information; Can promote the level of enterprise-quality management greatly; And alleviate manual record work numerous and diverse in the quality management greatly, optimize the management process of enterprise, promote the level of IT application of enterprise.
Description of drawings
Following accompanying drawing only is intended to the present invention is done schematic illustration and explanation, not delimit the scope of the invention.Wherein:
The structural representation of the acquiring product coded identifier information device that Fig. 1 provides for embodiment 1;
Fig. 2 is the ultraviolet leds array set-up mode scheme drawing in the exposed plate;
The structural representation of the information traceability system that Fig. 3 provides for embodiment 2.
The drawing reference numeral explanation:
High-speed camera 1 band-pass filter 2 exposed plates 3 position photoelectric switchs 4 products 5 belt conveyor 6 light source drive powers 7 control units 8 data identification unit 9 led array 10 data verification units 11 Data Detection unit 12
The specific embodiment
To understand in order technical characterictic of the present invention, purpose and beneficial effect being had more clearly, with reference to Figure of description technical scheme of the present invention is carried out following detailed description, but but can not be interpreted as qualification at present practical range of the present invention.
Embodiment 1 acquiring product coded identifier information device
Present embodiment provides a kind of acquiring product coded identifier information device, and its structure is as shown in Figure 1.This acquiring product coded identifier information device comprises: data acquisition unit, data identification unit 9 and control unit 8, wherein:
Data acquisition unit is positioned at belt conveyor 6 tops, and (this zone is the district of taking pictures; The end that product 5 gets into is inlet; The other end is outlet), it comprises that a high-speed camera 1, a band-pass filter 2, are provided with the exposed plate 3 and a position photoelectric switch 4 of ultraviolet leds array; Wherein, high-speed camera 1 be arranged on product 5 coded identifiers directly over; Band-pass filter 2 is located at the camera lens below of high-speed camera 1; Exposed plate 3 be arranged on high-speed camera 1 camera lens around, be as the criterion can product 5 coded identifiers being shone fully, the set-up mode of led array wherein is as shown in Figure 2; Position photoelectric switch 4 is arranged on the exit in the district of taking pictures;
Data identification unit 9 is connected with high-speed camera 1, control unit 8 respectively through data line;
Control unit is connected with data identification unit 9, high-speed camera 1, exposed plate 3 and position photoelectric switch 4 respectively through data line; And; This control unit 8 also comprises a light source drive power 7, and this light source drive power 7 is connected with control unit 8, exposed plate 3 respectively.
Present embodiment provides a kind of acquiring product coded identifier information method; It is to adopt acquiring product coded identifier information device that embodiment 1 provides (this character coding or bar shaped coding are sprayed on the product top to the character coding of processing with fluoresent printing ink or bar shaped coding; The surface of beer bottle cap for example) carry out data acquisition, specifically can comprise following concrete steps:
1, utilize belt conveyor 6 that product 5 is transported in the district of taking pictures, when product arrived the desired location, position photoelectric switch 4 sent position signal to control unit 8;
2, control unit 8 receiving position signals, and send luminous project signal, send imaging signal to high-speed camera 1 to light source drive power 7 respectively;
3, light source drive power 7 receives luminous project signal; And to the drive current of exposed plate 3 export scheduled time length; Make LED display 10 on the exposed plate 3 send the ultraviolet light of schedule time length; Digital code-spraying on the product irradiation 5 (product coded identifier) is stimulated wherein fluorescent material and sends fluorescence;
4, high-speed camera 1 receives imaging signal, and after UV-irradiation, fluorescence takes pictures before disappearing, obtain view data, and view data be sent to data identification unit 9;
5, data identification unit 9 receives above-mentioned view data, and discerns processing, from view data, obtains the numerical information (product coded identifier information) in the digital code-spraying, and stores; In this step, can screen view data according to preassigned earlier, the view data that does not meet preassigned is not discerned processing, and the numerical information wherein of nonrecognition is just also preserved; Data identification unit 9 is accomplished after the identification processing, sends the completion signal to control unit 8;
6, control unit 8 receipt completion signals, and send signal to the control setup of belt conveyor 6, belt conveyor 6 is transported to product outside the district of taking pictures.
Present embodiment provides a kind of information traceability system, and its structure is as shown in Figure 3.This information traceability system comprises data acquisition unit, Data Detection unit 12 and data verification units 11, wherein,
The acquiring product coded identifier information device that data acquisition unit adopts embodiment 1 to provide, wherein, data identification unit 9 and data verification units 11 are connected through data line;
Data Detection unit 12 is a pick up camera, is connected through data line with data verification units 11, is used for the product coded identifier of product to be measured is taken pictures and obtained view data.
Embodiment 4 information retroactive methods
Present embodiment provides a kind of information retroactive method, and it is to adopt information traceability system that embodiment 3 provides that the product of the character coding that has fluorescent ink and process or bar shaped coding is verified the method for detection can comprise following concrete steps:
1, processing is gathered, discerned to the acquiring product coded identifier information device that adopts embodiment 1 to provide to the character coding or the bar shaped coding of product, obtains primary products coded identifier information data and storage; Before product export, accomplish as this step 1, the primary products coded identifier information data that is obtained is formed data bank;
2, adopt the pick up camera of Data Detection unit 12 that the character coding or the bar shaped coding of the product of needs detection are taken pictures, obtain the view data of product coded identifier to be measured;
3, data verification units 11 receptions are from the view data of Data Detection unit 12; Obtain product coded identifier information to be measured; With the original coded identifier information of the data acquisition unit of product coded identifier information to be measured and information traceability system storage judge comparison (for example with data bank in original coded identifier information compare; Judge whether to exist identical information) and with testing result output, independent read-out for example is set shows judged result.
Present embodiment provides a kind of information retroactive method, and it may further comprise the steps:
1, the coded identifier information of product is gathered, obtain first order coded identifier information and storage;
The first order packing chest of 2, the product of predetermined quantity being packed into and having coded identifier; And the coded identifier information of this first order packing chest is gathered according to the acquisition method that embodiment 2 provides; Obtain second stage coded identifier information and storage, and this second stage coded identifier information is associated with first order coded identifier information;
The second stage packing chest of 3, the first order packing chest of predetermined quantity being packed into and having coded identifier; And the coded identifier information of this second stage packing chest is gathered according to the acquisition method that embodiment 2 provides; Obtain third stage coded identifier information and storage, and this third stage coded identifier information is associated with second stage coded identifier information;
The third stage packing chest of 4, the second stage packing chest of predetermined quantity being packed into and having coded identifier; And the coded identifier information of this third stage packing chest is gathered according to the acquisition method that embodiment 2 provides; Obtain fourth stage coded identifier information and storage; And this fourth stage coded identifier information is associated with third stage coded identifier information, simultaneously, above-mentioned first, second, third forms original coded identifier information and storage with fourth stage coded identifier information;
5, the coded identifier information of product to be measured is gathered, obtain coded identifier information to be measured;
6, the coded identifier information at different levels of coded identifier information to be measured and collection are carried out matching ratio; And output comparative result: if there is the coded identifier information that is consistent with coded identifier information to be measured, then output and the corresponding original coded identifier information of this coded identifier information; If there is not the coded identifier information that is consistent with coded identifier information to be measured, then output " not having the coded identifier information that is consistent " or similarly result.
Above-described specific embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely specific embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. acquiring product coded identifier information device, it comprises: data acquisition unit, data identification unit and control unit, wherein:
Said data acquisition unit is positioned at the belt conveyor top; It comprises an imaging device, a luminaire and a position photoelectric switch, and wherein, said imaging device is used for the product coded identifier acquisition view data of taking pictures; Said imaging device has a camera lens; The lower end of this camera lens is provided with a band-pass filter, and said luminaire is used for product coded identifier is shone, and said position photoelectric switch is used to respond to the position of the product on the belt conveyor; Said luminaire is the exciting light producer, and this exciting light producer is laser generator, infrared light generator or ultraviolet light generator; Said product coded identifier is character coding or the bar shaped coding that is obtained through spraying method by printing ink, and said printing ink is infrared excitation visible fluorescence printing ink, ultraviolet excitation visible fluorescence printing ink or laser excitation visible fluorescence printing ink;
Said data identification unit is used for the view data that said data acquisition unit obtains is discerned processing, obtains product coded identifier information data and storage, and it is connected with said imaging device, said control unit respectively through data line;
Said control unit is used to control said data acquisition unit, and it is connected with said data identification unit, said imaging device, said luminaire and said position photoelectric switch respectively through data line.
2. device as claimed in claim 1, wherein, said imaging device is high-speed camera or high-speed digital camera.
3. device as claimed in claim 1, wherein, said ultraviolet light generator is the exposed plate that is provided with the ultraviolet leds array.
4. device as claimed in claim 1, wherein, said control unit comprises a light source drive power, this light source drive power is used to control the fluorescent lifetime of said luminaire.
5. acquiring product coded identifier information device as claimed in claim 1 is characterized in that, this acquiring product coded identifier information device comprises a darkroom, and it has an inlet and an outlet, and said data acquisition unit is positioned at said darkroom.
6. product coded identifier information image-forming data acquisition method, it may further comprise the steps:
Product coded identifier is made public;
To the product coded identifier acquisition view data of taking pictures;
View data is discerned processing, obtain product coded identifier information and storage;
Wherein, said taking pictures carried out through high-speed camera or high-speed digital camera, and, through band-pass filter the light that gets into said high-speed camera or high-speed digital camera is filtered;
Said product coded identifier is character coding or the bar shaped coding that is obtained through spraying method by printing ink, and said printing ink is infrared excitation visible fluorescence printing ink, ultraviolet excitation visible fluorescence printing ink or laser excitation visible fluorescence printing ink;
Said exposure is meant and utilizes laser, ultraviolet light or infrared light that said character coding or bar shaped coding are shone, to produce fluorescence.
7. method as claimed in claim 6 wherein, is saidly taken pictures after irradiation is accomplished, fluorescence carries out before disappearing.
8. information traceability system based on product coded identifier information, it comprises: data acquisition unit, data verification units and Data Detection unit, wherein,
Said data acquisition unit is each described acquiring product coded identifier information device of claim 1-5, is used to gather the original coded identifier information and the storage of product;
Said Data Detection unit is used to detect the view data of product coded identifier to be measured;
Said data verification units is connected with said Data Detection unit, said data acquisition unit respectively through data line; Be used to receive said Data Detection unit and detect the view data that obtains; Obtain product coded identifier information to be measured, the original coded identifier information of said product coded identifier information to be measured and said data acquisition unit storage is compared and testing result is exported.
9. information traceability system as claimed in claim 8, wherein, the data identification unit of said acquiring product coded identifier information device is connected through data line with said data verification units, is used to provide the said original coded identifier information of its storage.
10. information traceability system as claimed in claim 8, wherein, said Data Detection unit comprises an imaging device, is used for the product coded identifier of product to be measured is taken pictures and obtained view data.
11. an information retroactive method, it may further comprise the steps:
According to claim 6 or 7 described product mark information image-forming data acquisition methods product coded identifier information is gathered, obtain original coded identifier information and storage;
Coded identifier to product to be measured detects or gathers, and obtains coded identifier information to be measured;
Coded identifier information to be measured and original coded identifier information are compared, comparative result is exported.
12. information retroactive method as claimed in claim 11, wherein, the acquisition of said original coded identifier information comprises following concrete steps:
Coded identifier information to product is gathered, and obtains first order coded identifier information and storage;
The first order packing chest that the product of predetermined quantity is packed into and had coded identifier; And the coded identifier information of this first order packing chest is gathered according to claim 6 or 7 described methods; Obtain second stage coded identifier information and storage, and this second stage coded identifier information is associated with first order coded identifier information;
The second stage packing chest that the first order packing chest of predetermined quantity is packed into and had coded identifier; And the coded identifier information of this second stage packing chest is gathered according to claim 6 or 7 described methods; Obtain third stage coded identifier information and storage, and this third stage coded identifier information is associated with second stage coded identifier information;
Repeat above-mentioned vanning and coded identifier information acquisition step, up to obtaining the multistage coded identifier information of being mutually related of predetermined quantity, this multistage coded identifier information is formed said original coded identifier information.
13. information retroactive method as claimed in claim 12; Wherein, Said relatively being meant carried out matching ratio with coded identifier information to be measured with all coded identifier information: if there is the coded identifier information that is consistent with coded identifier information to be measured, and then output and the cooresponding original coded identifier information of this coded identifier information; If there is not the coded identifier information that is consistent with coded identifier information to be measured, then there is not the information that is consistent in output.
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