CN111160933A - Meat and vegetable product traceability system and method based on GNSS (global navigation satellite system) space-time information - Google Patents
Meat and vegetable product traceability system and method based on GNSS (global navigation satellite system) space-time information Download PDFInfo
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Abstract
The invention discloses a meat and vegetable product traceability system based on GNSS (global navigation satellite system) space-time information, which comprises a special APP (application) embedded terminal, a vehicle-mounted positioning terminal, an intelligent electronic traceability scale, a meat and vegetable product traceability background, a consumption mobile terminal and a Web client, wherein the Web client is communicated with a Web server in the meat and vegetable product traceability background, and the meat and vegetable product traceability background is communicated with a GNSS time service server and an electronic map server. According to the meat and vegetable product traceability system based on the GNSS space-time information and the method based on the system, the GNSS is used for automatically adding uploading information with space-time attributes, the multilevel nested two-dimensional code splitting and aggregation and the information interaction are used for automatically generating the encrypted check field, so that the authenticity of the product production and sale process information is ensured, the possibility of artificial counterfeiting is isolated, the reliability of the information is improved, and meanwhile, a traceability visualization mode for displaying the whole life track on an electronic map is provided.
Description
Technical Field
The invention relates to an anti-counterfeiting technology for meat and vegetable product information, in particular to a meat and vegetable product traceability system and method based on GNSS (global navigation satellite system) space-time information.
Background
The quality safety problem of meat and vegetable products is always concerned by the whole society. The quality safety work of meat and vegetable products in China starts late, the foundation is weak, at present, departments such as business, agriculture and customs construct meat and vegetable product information management systems according to self business requirements, but because the departments have different responsibilities, the side points of information acquisition in each system are different, and the business processes and characteristics are different, the systems developed by each functional department cannot take into account other departments, so that the traceability information is difficult to span different systems, information breakpoints are caused, and the traceability can be realized only locally; secondly, most of the existing tracing systems are in an information recording mode, not an information acquisition mode, and information is easy to fake, so that the tracing effect cannot be achieved; third, the existing system records information only, generally only information source and path, and does not relate the occurrence time, position and environmental evidence, so that the information is easy to be added or edited afterwards. Therefore, in the information acquisition process of the existing system, the manual intervention degree is large, the occurrence of artificial information counterfeiting behavior is difficult to avoid, the authenticity, the effectiveness, the accuracy and the integrity of the information cannot be guaranteed, and the product traceability in the true sense cannot be realized.
Disclosure of Invention
The invention aims to provide a meat and vegetable product traceability system based on GNSS space-time information and a method based on the system, wherein three designs of uploading information with sometimes empty attributes, multi-level nested two-dimensional code splitting and aggregation and information interaction automatic generation of an encryption check field are automatically added by utilizing the GNSS, so that the authenticity of product production and sale process information is ensured, the possibility of artificial counterfeiting is isolated, the reliability of the information is improved, and meanwhile, a traceability visualization mode for displaying a full life track on an electronic map is provided.
In order to achieve the purpose, the invention provides a meat and vegetable product traceability system based on GNSS (global navigation satellite system) space-time information, which comprises a terminal, a vehicle-mounted positioning terminal, an intelligent electronic traceability scale, a meat and vegetable product traceability background, a consumption mobile terminal and a Web client, wherein a special APP is embedded in each link, the Web client is communicated with a Web server in the meat and vegetable product traceability background, the meat and vegetable product traceability background is communicated with a GNSS time service server and an electronic map server, the terminal embedded with the special APP in each link is used for filling and reporting related information of meat and vegetable products, and uploading the product information and the space-time information to a database of the meat and vegetable product traceability background; the vehicle-mounted positioning terminal is used for collecting the space-time information of a transport vehicle in real time and uploading the space-time information to a database of the meat and vegetable product tracing background; the intelligent electronic traceability scale uploads sales information to a database of the meat and vegetable product traceability background; the Web client is used for inquiring and checking the life track information of the product; the consumption mobile terminal is used for scanning the two-dimensional code on the product to inquire and view the life track information of the product.
Preferably, the Web client comprises a supervision department Web client and a consumer Web client, and the meat and vegetable product traceability background is also provided with an access interface for uploading regulatory agency approval and quarantine inspection information.
The meat and vegetable product tracing method based on the meat and vegetable product tracing system based on the GNSS space-time information comprises the following specific steps,
step S1: constructing a database to finish the storage of the basic information of each link;
step S2: a GNSS time service server and an electronic map server are configured, and time consistency of all links is kept;
step S3: each link finishes uploading and transmitting information in the production and circulation process through a terminal embedded with a special APP, and authorizes each link terminal to acquire position information;
step S4: the uploaded information is automatically added with time-space attributes through a GNSS time service server and is subjected to time-space verification with data in a database, the verification passes the next step, and when the verification fails, the meat and vegetable product traceability background informs a corresponding mobile terminal to upload correct data;
step S5: creating a unique identification code for each product at the initial stage of the product, and generating a corresponding inheritance code through an APP in a terminal of a corresponding link in the product circulation process;
step S6: the intelligent electronic traceability scale used in a sales place is connected with the meat and vegetable product traceability background through a network cable, and sales information is uploaded to a database of the meat and vegetable product traceability background;
step S7: when a consumer purchases a product, the product information is acquired by scanning the code through an APP supporting two-dimensional code identification in the consumer mobile terminal.
Further, in step S3, the terminals of each link are embedded with different special APPs, each special APP includes a production APP, a circulation APP and a management APP, when the special APP interacts with the meat and vegetable product traceability background information, APP identity verification and encryption check field verification need to be performed, and when the key information is uploaded, a scene photo and a certificate related to an operator need to be shot by the APP and uploaded to the meat and vegetable product traceability background; when the mobile terminal is in a mobile or outdoor place for data acquisition or transmission, a field photo and related personnel certificates need to be uploaded through the mobile terminal.
Further, the specific steps of verifying the encryption check field are as follows,
when information is required to be uploaded or transmitted, the meat and vegetable product tracing background automatically generates an encryption check field, a system key is a function of time, the formula is as follows,
a ═ f (t), where t is time,
and selecting a group of Hash encryption functions and corresponding Hash algorithms set by the determination system according to the value a, scanning the two-dimensional code to check the product information, and comparing the encryption check fields by the meat and vegetable product traceability background to judge the authenticity of the information so as to judge the authenticity of the product.
Furthermore, the identification code and the inheritance code are two-dimensional codes, and the information of the previous stage is automatically associated with the inheritance code generated by the current stage by scanning the two-dimensional codes produced by the previous stage through a special APP.
Further, multi-level package aggregation operation and large package assembly and disassembly operation are achieved through multi-level nested two-dimensional code splitting and aggregation, information transmission of each level is carried out, front-level information and rear-level information are inherited and added, aggregation information is packaged in a two-dimensional code information frame step by step, association operation is carried out when the last link is reached, and if a plurality of product individuals exist in retail packages, the package codes and each individual need to be associated.
Furthermore, the intelligent electronic traceability scale carries out filing processing, basic information and basic mode information are uploaded to a database, when the intelligent electronic traceability scale is used, a meat and vegetable product traceability background firstly identifies a manufacturer of the intelligent electronic traceability scale, the intelligent electronic traceability scale information is changed into a uniform operation command format of the system through driving a protocol library and protocol translation adaptation processing, the intelligent electronic traceability scale carries out automatic recording on product transaction information, and meanwhile, each intelligent electronic traceability scale generates a safety code to automatically add position, time and verification information for each transaction.
Therefore, the meat and vegetable product traceability system based on GNSS space-time information and the method based on the system are adopted, the requirements of traceability, anti-counterfeiting and industry supervision are met from multiple angles such as the use requirements of consumers and the industrial and market supervision requirements of functional departments, and the generation of information counterfeiting behaviors is effectively avoided by a method of automatically adding space-time attributes to information by utilizing a GNSS satellite positioning technology when the meat and vegetable product information is generated; collecting product information covering the whole industrial chain of planting/breeding, transporting, processing and selling by taking automatically generated space-time information as a main line, displaying life tracks of meat and vegetable products on an electronic map, and providing tracing of the meat and vegetable products in a visual mode; the product tracing of the splitting and aggregation of different links and different packages is realized by a multi-level nested two-dimensional code splitting and aggregation technology; designing an intelligent traceability scale interface, and collecting retail product information by adopting a traceability scale; and an encrypted traceability information production technology is adopted, and fake goods and goods mixing are prevented by inheriting codes.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of a meat and vegetable product traceability system based on GNSS spatiotemporal information.
FIG. 2 is a flow chart of uploading information according to the present invention;
FIG. 3 is a schematic diagram of a two-dimensional code encrypted information frame design according to the present invention;
fig. 4 is a schematic diagram of the splitting and aggregation of the multi-level nested two-dimensional code of the present invention.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of a meat and vegetable product traceability system based on GNSS space-time information, and as shown in the figure, the meat and vegetable product traceability system based on GNSS space-time information comprises a terminal in which a special APP is embedded in each link, a vehicle-mounted positioning terminal, an intelligent electronic traceability scale, a meat and vegetable product traceability background, a consumption mobile terminal and a Web client, wherein the Web client is in communication with a Web server in the meat and vegetable product traceability background.
The meat and vegetable product tracing background is communicated with the GNSS time service server and the electronic map server, and is used for positioning and time service of the system and visualizing the product track by using the electronic map server. Each link is embedded to have special APP's terminal to be used for the report of meat vegetables product relevant information, including links such as production, circulation and management to upload product information and temporal-spatial information to in the database of meat vegetables product background of tracing to the source. The vehicle-mounted positioning terminal is used for collecting the space-time information of the transport vehicle in real time and uploading the space-time information to the database of the meat and vegetable product tracing background.
The intelligent electronic traceability scale uploads sales information to a database of the meat and vegetable product traceability background; the Web client is used for inquiring and checking the life track information of the product and comprises a supervision department Web client and a consumer Web client. The consumption mobile terminal is used for scanning the two-dimensional code on the product to inquire and view the life track information of the product. And an access interface for uploading approval and quarantine inspection information of a supervision mechanism is further arranged in the meat and vegetable product traceability background.
Fig. 2 is a flow chart of uploading information according to the present invention, fig. 3 is a schematic diagram of a two-dimensional code encrypted information frame design according to the present invention, and fig. 4 is a schematic diagram of a multi-level nested two-dimensional code splitting and aggregating according to the present invention, as shown in the figure, a meat and vegetable product tracing method based on GNSS space-time information includes the following specific steps,
step S1: and constructing a database to finish the storage of the basic information of each link.
And finishing warehousing of key element basic information of the meat and vegetable product planting/breeding points, the transfer warehouse, the processing plant, the point of sale, the transport vehicle, the intelligent electronic traceability scale and the like, particularly the longitude and latitude information of the planting/breeding points, the transfer warehouse, the processing plant and the point of sale and the driving protocol of the intelligent electronic traceability scale.
Step S2: and a GNSS time service server and an electronic map server are configured to keep the time of each link consistent.
Step S3: each link finishes uploading and transmitting information in the production and circulation process through a terminal embedded with a special APP, and authorizes each link terminal to acquire position information. The terminals of each link are embedded with special APP which comprises a production APP, a circulation APP and a management APP, when the special APP interacts with the tracing background information of the meat and vegetable products, APP identity verification and encryption check field verification need to be carried out, the encryption check field verification comprises the following specific steps,
when information needs to be uploaded or transmitted, the meat and vegetable product traceability background automatically generates an encryption check field, a system key is a function of time, a is f (t), t is time, a set of Hash encryption functions and a corresponding Hash algorithm set by the system are selected and determined according to the value of a, when the product information is checked by scanning the two-dimensional code, the meat and vegetable product traceability background can judge the authenticity of the information by comparing the encryption check field, and then the authenticity of the product is judged.
When the key information is uploaded, a scene photo and a related certificate of an operator need to be shot through the APP and uploaded to the meat and vegetable product tracing background; when the mobile terminal is in a mobile or outdoor place for data acquisition or transmission, a field photo and related personnel certificates need to be uploaded through the mobile terminal. The production APP provides the management information of the production process of the planting/breeding points, production processing, base storage information transmission operation and the like, and has different roles of production personnel and storage management personnel; the circulation APP provides information transmission operation of drivers, transport vehicles, market entrance and exit, retail booths and retail scales, and has different roles of logistics vehicle drivers, wholesale market managers, consumption terminal booths and the like; the management APP provides personnel supervision operations for an agricultural function department, a market supervision and management function department and a commodity circulation management department, and has different supervision personnel roles of a farming and pasturing department, a market supervision and management department, a business department and the like.
Step S4: and the uploaded information is automatically added with time-space attributes through a GNSS time service server and is subjected to time-space verification with data in a database, the verification is carried out in the next step, and when the verification fails, the meat and vegetable product traceability background informs a corresponding mobile terminal to upload correct data. And comparing the position information in the process information with the actual position information of the occurrence place stored in the database, if the position information and the actual position information are not matched, determining that the information is possible to be falsified, sending a re-uploading prompt by the system through a short message or an APP, and if the system does not obtain the information meeting the requirements within a specified time limit, warehousing the system, but labeling the label to be checked. As shown in fig. 2.
Step S5: and creating a unique identification code for each product at the initial stage of the product, and generating a corresponding inheritance code through the APP in the terminal of the corresponding link in the product circulation process. The identification code and the inheritance code are two-dimensional codes, and the information of the previous stage is automatically associated with the inheritance code generated by the current stage by scanning the two-dimensional codes produced by the previous stage through the special APP.
Fig. 3 is a schematic diagram of a two-dimensional code information frame design according to the present invention, as shown in fig. 3, L1, L2, and the like are different traceability link information entries, which may be production information, logistics information, or retail information, the number of subframes may be flexibly increased, product experience records are encapsulated in information frames according to the time sequence of product existence, and the position and time for generating the information are automatically generated and placed in the subframes, and finally, all information are automatically generated into check bytes according to a specific coding mode and encapsulated in the last subframe. Each sub-frame is provided with a data stack, the length of each sub-stack can be flexibly increased similar to that of the main frame, three pieces of data information behind each sub-frame are the position and time of respective information recording, and finally, the top of the stack automatically generates check bytes to finally form a frame for finishing information recording.
Fig. 4 is a schematic diagram of the splitting and aggregation of the multi-level nested two-dimensional code according to the present invention, as shown in fig. 4, the multi-level packaging aggregation operation and the large package assembly and disassembly operation are realized by the splitting and aggregation of the multi-level nested two-dimensional code, information transmission at each level carries out inheritance and increment of front and rear level information, the aggregation information is encapsulated in a two-dimensional code information frame step by step, when the last link is reached, association operation is carried out, and if there are a plurality of product individuals in the retail package, the package code and each individual therein need to be associated.
The two-dimension code information transmission design not only meets the traceability of a pre-packaged product, but also meets the traceability of a bulk product, and meanwhile, the two-dimension code information transmission design can adapt to multi-stage packaging aggregation operation and large-package assembly and disassembly operation, and the aggregation information is encapsulated in traceability information frames step by step;
when the last link is reached, special association operations must be performed, for example, C1 and C3 need to be associated with C8 when they are sold, and C2 and C4 need to be associated with C9 when they are sold; if there are multiple individual products in the final retail package, the package code and each individual in the package code need to be associated, such as if C8 is sold directly to the end user, then both C1 and C3 need to be associated with C8 when packaged; when the aggregation operation is carried out, all product code information is contained when the preceding-stage information is associated and inherited every time;
if the product is a bulk good, the information can be traced back to the place of origin and lot; the hierarchy can be flexibly increased in the middle of aggregation and splitting, and the operation is unchanged. When code scanning is traced back, the information tracing flow is as follows: when C1 codes are scanned, the tracing information path is: C8-C7-C5-C1, when C2 code is swept, the tracing information path is as follows: C9-C7-C5-C2.
Step S6: the intelligent electronic traceability scale used in the sales place is connected with the meat and vegetable product traceability background through a network cable, and sales information is uploaded to a database of the meat and vegetable product traceability background. The intelligent electronic traceability scale carries out record processing, basic information and basic mode information are uploaded to a database, when the intelligent electronic traceability scale is used, a meat and vegetable product traceability background firstly identifies a manufacturer of the intelligent electronic traceability scale, the intelligent electronic traceability scale information is changed into a uniform operation command format of a system through driving a protocol library and protocol translation adaptation processing, the intelligent electronic traceability scale carries out automatic recording on product transaction information, meanwhile, each intelligent electronic traceability scale generates a safety code, position, time and verification information are automatically added for each transaction, and the intelligent electronic traceability scale is rapidly adapted to the system, so that the accuracy and the effectiveness of the information are guaranteed, and the implementation cost is also reduced.
Step S7: when a consumer purchases a product, the product information is acquired by scanning the code through an APP supporting two-dimensional code identification in the consumer mobile terminal.
Therefore, the meat and vegetable product traceability system based on GNSS space-time information and the method based on the system are adopted, the requirements of traceability, anti-counterfeiting and industry supervision are met from multiple angles such as the use requirements of consumers and the industrial and market supervision requirements of functional departments, and the like; collecting product information covering the whole industrial chain of planting/breeding, transporting, processing and selling by taking automatically generated space-time information as a main line, displaying life tracks of meat and vegetable products on an electronic map, and providing tracing of the meat and vegetable products in a visual mode; the product tracing of the splitting and aggregation of different links and different packages is realized by a multi-level nested two-dimensional code splitting and aggregation technology; designing an intelligent traceability scale interface, and collecting retail product information by adopting a traceability scale; and an encrypted traceability information production technology is adopted, and fake goods and goods mixing are prevented by inheriting codes.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. A meat and vegetable product traceability system based on GNSS space-time information is characterized in that: the system comprises a terminal embedded with a special APP in each link, a vehicle-mounted positioning terminal, an intelligent electronic traceability scale, a meat and vegetable product traceability background, a consumption mobile terminal and a Web client, wherein the Web client is communicated with a Web server in the meat and vegetable product traceability background, the meat and vegetable product traceability background is communicated with a GNSS time service server and an electronic map server, the terminal embedded with the special APP in each link is used for filling and reporting related information of meat and vegetable products, and uploading product information and time-space information to a database of the meat and vegetable product traceability background; the vehicle-mounted positioning terminal is used for collecting the space-time information of a transport vehicle in real time and uploading the space-time information to a database of the meat and vegetable product tracing background; the intelligent electronic traceability scale uploads sales information to a database of the meat and vegetable product traceability background; the Web client is used for inquiring and checking the life track information of the product; the consumption mobile terminal is used for scanning the two-dimensional code on the product to inquire and view the life track information of the product.
2. The meat and vegetable product traceability system based on GNSS space-time information as claimed in claim 1, wherein: the Web client comprises a supervision department Web client and a consumer Web client, and an access interface for uploading approval and quarantine inspection information of a supervision organization is further arranged in the meat and vegetable product traceability background.
3. The meat and vegetable product tracing method based on the GNSS spatiotemporal information based meat and vegetable product tracing system of any one of claims 1-2 is characterized in that: the method comprises the specific steps of,
step S1: constructing a database to finish the storage of the basic information of each link;
step S2: a GNSS time service server and an electronic map server are configured, and time consistency of all links is kept;
step S3: each link finishes uploading and transmitting information in the production and circulation process through a terminal embedded with a special APP, and authorizes each link terminal to acquire position information;
step S4: the uploaded information is automatically added with time-space attributes through a GNSS time service server and is subjected to time-space verification with data in a database, the verification passes the next step, and when the verification fails, the meat and vegetable product traceability background informs a corresponding mobile terminal to upload correct data;
step S5: creating a unique identification code for each product at the initial stage of the product, and generating a corresponding inheritance code through an APP in a terminal of a corresponding link in the product circulation process;
step S6: the intelligent electronic traceability scale used in a sales place is connected with the meat and vegetable product traceability background through a network cable, and sales information is uploaded to a database of the meat and vegetable product traceability background;
step S7: when a consumer purchases a product, the product information is acquired by scanning the code through an APP supporting two-dimensional code identification in the consumer mobile terminal.
4. The meat and vegetable product tracing method based on GNSS space-time information as claimed in claim 3, wherein: in the step S3, different special APPs are embedded in terminals of all links, the special APPs comprise production APPs, circulation APPs and management APPs, when the special APPs interact with the meat and vegetable product traceability background information, APP identity verification and encryption check field verification need to be carried out, and when key information is uploaded, on-site photos and relevant certificates of operators need to be shot through the APPs and uploaded to the meat and vegetable product traceability background; when the mobile terminal is in a mobile or outdoor place for data acquisition or transmission, a field photo and related personnel certificates need to be uploaded through the mobile terminal.
5. The meat and vegetable product tracing method based on GNSS space-time information as claimed in claim 4, wherein: the specific steps of the verification of the encryption check field are as follows,
when information is required to be uploaded or transmitted, the meat and vegetable product tracing background automatically generates an encryption check field, a system key is a function of time, the formula is as follows,
a ═ f (t), where t is time,
and selecting a group of Hash encryption functions and corresponding Hash algorithms set by the determination system according to the value a, scanning the two-dimensional code to check the product information, and comparing the encryption check fields by the meat and vegetable product traceability background to judge the authenticity of the information so as to judge the authenticity of the product.
6. The meat and vegetable product tracing method based on GNSS space-time information as claimed in claim 3, wherein: the identification code and the inheritance code are two-dimensional codes, and the information of the previous stage is automatically associated with the inheritance code generated by the current stage by scanning the two-dimensional codes produced by the previous stage through a special APP.
7. The meat and vegetable product tracing method based on GNSS space-time information as claimed in claim 6, wherein: the method comprises the steps of adopting multi-level nested two-dimensional code splitting and aggregation to realize multi-level packaging aggregation operation and large package assembling and disassembling operation, carrying out front-level information inheritance and increasing on each level of information transmission, packaging aggregation information in a two-dimensional code information frame step by step, carrying out association operation when the last link is reached, and associating a packaging code with each individual in the retail packaging if a plurality of product individuals exist.
8. The meat and vegetable product tracing method based on GNSS space-time information as claimed in claim 3, wherein: the intelligent electronic traceability scale carries out record processing, basic information and basic mode information are uploaded to a database, when the intelligent electronic traceability scale is used, a meat and vegetable product traceability background firstly identifies a manufacturer of the intelligent electronic traceability scale, the intelligent electronic traceability scale information is changed into a uniform operation command format of a system through driving a protocol library and protocol translation adaptation processing, the intelligent electronic traceability scale carries out automatic recording on product transaction information, and meanwhile, each intelligent electronic traceability scale generates a safety code and automatically adds position, time and verification information for each transaction.
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| CN112184262A (en) * | 2020-09-28 | 2021-01-05 | 北京金山云网络技术有限公司 | Method and related device for aggregate tracing |
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