CN112950237A - Gas cylinder quality safety tracing system based on OCR and block chain and control method - Google Patents
Gas cylinder quality safety tracing system based on OCR and block chain and control method Download PDFInfo
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- CN112950237A CN112950237A CN202110514871.5A CN202110514871A CN112950237A CN 112950237 A CN112950237 A CN 112950237A CN 202110514871 A CN202110514871 A CN 202110514871A CN 112950237 A CN112950237 A CN 112950237A
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Abstract
The invention discloses a gas cylinder quality safety tracing system and a control method based on OCR and a block chain, which comprises a data acquisition layer, a gas cylinder tracing layer and a block chain platform layer; the gas cylinder related business participants upload the identified gas cylinder production manufacturing information, filling information, inspection information and circulation tracing information to the gas cylinder tracing layer; and the gas cylinder tracing layer is used for receiving the information code from the data acquisition layer, and recording the data of the gas cylinder in the processes of production, manufacturing, filling and registration, periodic inspection and circulation tracing into the block chain platform for storage. The invention provides a gas cylinder quality safety tracing system and a control method based on OCR and a block chain, wherein the existing informatization identification reading is replaced by identifying and reading a steel seal number by an OCR technology, so that the gas cylinder quality safety tracing system is prevented from being copied, disassembled and replaced; the block chain technology is applied to ensure that decentralized application and data cannot be tampered; and the intelligent contract is applied to define the supervision rule, so that the gas cylinder enterprise is prevented from counterfeiting.
Description
Technical Field
The invention relates to a gas cylinder quality safety tracing system and a control method based on OCR and a block chain, and belongs to the technical field of gas cylinder safety supervision.
Background
At present, in the field of safety supervision, the gas cylinder is taken as special equipment relating to civil safety, and the quality safety of the gas cylinder has very important economic and social benefits. In the informatization monitoring process, informatization marks (such as one-dimensional codes, two-dimensional codes and electronic tags) fixedly connected on the gas cylinders are easy to copy or replace, the good informatization marks are disassembled and installed on the gas cylinders with practical problems, and A is swept to be charged with B, so that the good informatization marks are charged with B again. Meanwhile, gas cylinder enterprises generally use self-construction and third-party platforms, the systems are in a centralized storage mode, and in this mode, as the enterprises and the third-party platforms are both interest-related parties, once information is unfavorable for the enterprises, the enterprises can falsely register, falsely tamper data or even repudiate the data, so that evidencing and accountability difficulties are caused, and great hidden dangers are brought to safety supervision.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and providing a gas cylinder quality safety tracing system and a control method based on OCR and a block chain, wherein the steel seal number is read by the OCR technology, the existing informatization identification reading is replaced, and the copying, the disassembly and the replacement are prevented; the block chain technology is applied to ensure that decentralized application and data cannot be tampered; and the intelligent contract is applied to define the supervision rule, so that the gas cylinder enterprise is prevented from counterfeiting.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a gas cylinder quality safety tracing system based on OCR and a block chain comprises a data acquisition layer, a gas cylinder tracing layer and a block chain platform layer;
the system comprises a data acquisition layer, a gas cylinder related business participant reads a gas cylinder steel seal as a unique information code through an OCR (optical character recognition) reading device, and uploads read gas cylinder production manufacturing information, filling information, inspection information and circulation tracing information to a gas cylinder tracing layer;
the gas cylinder tracing layer is used for receiving gas cylinder production and manufacturing information, filling information, inspection information and circulation tracing information from the data acquisition layer, and recording data of the gas cylinder production, filling registration, periodic inspection and circulation tracing processes into the block chain platform for storage;
the block chain platform layer is used for receiving data of the gas cylinder production, manufacturing, filling and registering, periodic inspection and circulation tracing processes sent by the gas cylinder tracing layer, and the alliance chain architecture is adopted, so that related business participants of the gas cylinder participate in construction and maintenance of the ledger together; in the data chaining process, each enterprise is restricted from uploading and downloading transaction data, and the business logic needs are met.
Further, the blockchain platform layer comprises:
the tracing system is used for interaction between the gas cylinder related business participants and the system, packaging the data operation of the related business participants and obtaining the packaged transaction request;
the intelligent contract is characterized by comprising an intelligent contract, wherein a supervision rule and a service logic are deployed in the intelligent contract, the intelligent contract deployed in a block chain is called by a tracing system through an SDK (software development kit), a transaction request is combined with the intelligent contract, and the intelligent contract receives and completes the corresponding service logic;
the block chain network and the distributed account book are alliance chains formed by related business participants and supervision departments of the gas cylinders, and all the related business participants and the supervision departments serve as block chain network nodes to maintain the block chain network account book together.
The gas cylinder related business participants comprise a manufacturing unit, a filling unit, a checking mechanism, an operating unit and a supervision department, wherein the manufacturing unit inputs gas cylinder production and manufacturing information, the filling unit inputs gas cylinder filling information, the checking mechanism inputs gas cylinder checking information, and the operating unit inputs gas cylinder circulation tracing information.
A control method of a gas cylinder quality safety tracing system based on OCR and a block chain comprises the following steps:
s1, engraving a steel seal on the gas cylinder by the gas cylinder manufacturing unit, wherein each gas cylinder takes the steel seal as a unique information code, and the gas cylinder manufacturing unit and the participators of the related services of the other gas cylinders recognize and read the steel seal number, the gas cylinder manufacturing information, the filling information, the inspection information and the circulation tracing information in an OCR mode and upload the information to the tracing system;
s2, when the steel seal number, the gas cylinder production and manufacturing information, the filling information, the inspection information and the circulation tracing information data are uploaded to a gas cylinder tracing layer, starting a chain winding process;
s3, the supervision department has access right to the block chain network account book and is responsible for uploading all data in the block chain network to a database for social public query; the social public can obtain the production quality information of the gas cylinder through the steel seal number, and safety supervision is realized.
Further, in step S1, the gas cylinder manufacturing unit and the other gas cylinder related business participants recognize and read the steel seal number, record the gas cylinder manufacturing information, filling information, inspection information and circulation tracing information by an OCR method, including the following steps:
s11, when producing the gas cylinder, the gas cylinder manufacturing unit engraves a steel seal on the original gas cylinder shield, each gas cylinder takes the steel seal as the unique information code, reads the steel seal number in an OCR mode, records the gas cylinder manufacturing information and uploads the information to the tracing system,
s12, the gas cylinder filling unit reads the steel seal number in an OCR mode, records the gas cylinder filling information and uploads the gas cylinder filling information to the tracing system, wherein the filling information comprises the steel seal number, the filling date, the filling unit, a filling person, the filling weight or the pressure;
s13, the gas cylinder inspection unit reads the steel seal number in an OCR mode, records the gas cylinder inspection information and uploads the inspection information to the tracing system, wherein the inspection information comprises the steel seal number, inspection date, inspection unit, inspection personnel and inspection conclusion;
and S14, the gas cylinder management unit reads the steel seal number in an OCR mode, records the gas cylinder circulation tracing information and uploads the gas cylinder circulation tracing information to the tracing system, wherein the circulation tracing information comprises the steel seal number, circulation date, the management unit, operators, ex-warehouse information and warehousing information.
Further, the uplink procedure in step S2 includes the following steps:
s21, calling an intelligent contract of identity authentication by the tracing system, and verifying user information and authority for a data uploading unit; if the identity request is not verified, the tracing system prompts that the uploading unit does not register or distribute nodes, and the request fails; if the identity request passes the verification, acquiring the user identity and the configuration authority from the block;
s22, the tracing system packages the data into an uplink transaction request as a parameter of a corresponding intelligent contract, calls the intelligent contract by using a sdk interface and stores the intelligent contract in a block chain network; after the intelligent contract is successfully executed, a map structure is generated, and the structure stores the steel seal number and the transaction information, so that the future inquiry and check are facilitated;
s23, the intelligent contract combines the identity authentication information to carry out rule verification on the uplink transaction according to the preset supervision rule and the service logic; if the verification fails, the tracing system prompts the reason of the transaction failure and the request fails; if the verification is successful, the transaction request is stored to the blockchain network.
Further, in step S23, a supervision rule and a service logic are preset in the intelligent contract, including the following steps:
s231, performing compliance verification on all data needing to be linked, wherein the compliance verification includes data format, numerical value size and data type;
s232, verifying the manufacturing information, including uploading user type, whether the gas cylinder is monitored and checked, and whether steel seal information exists;
s233, checking filling information, including uploading user type, whether manufacturing information exists, and whether the gas cylinder state is normal;
s234, checking the checking information, including uploading user type, whether manufacturing information exists or not and whether checking qualification exists or not;
and S235, checking the tracing information, wherein the checking comprises uploading user types, whether pre-filling information exists and whether the state of the gas cylinder is normal.
Further, the production and manufacturing information comprises a steel seal number, a manufacturing unit, a manufacturing year and month, a gas cylinder type, a gas cylinder specification and a service life;
the filling information comprises a steel seal number, a filling date, a filling unit, a filling person, filling weight or pressure;
the inspection information comprises a steel seal number, inspection date, inspection units, inspection personnel and inspection conclusion;
the circulation tracing information comprises a steel seal number, circulation date, an operation unit, an operator, ex-warehouse information and warehousing information.
By adopting the technical scheme, the gas cylinder steel seal is identified and read by the OCR technology, so that cheating in the supervision process is solved from the source, and potential safety hazards are reduced; the information identification is not required to be installed, and meanwhile, the burdens of enterprises and supervision departments are greatly reduced, so that a good foundation is laid for information supervision. By applying the block chain technology, the trueness and the non-falsification of data are guaranteed, and the trueness and the credible quality information of the gas cylinder are provided for government supervision and public use. In case of accident, the person is responsible for the investigation and tracing.
Drawings
FIG. 1 is a schematic block diagram of a blockchain platform layer of an OCR and blockchain based gas cylinder quality and safety traceability system of the present invention;
FIG. 2 is a system topology diagram of a gas cylinder quality and safety traceability system based on OCR and a block chain according to the present invention;
FIG. 3 is a flow chart of the invention for upgrading the fixedly connected information mark on the gas cylinder shield to the engraved steel seal on the shield;
fig. 4 is a flowchart of presetting supervision rules and business logic in an intelligent contract according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example one
As shown in fig. 1 to 4, an OCR and blockchain based gas cylinder quality and safety tracing system includes a data acquisition layer, a gas cylinder tracing layer and a blockchain platform layer;
the system comprises a data acquisition layer, a gas cylinder related business participant reads a gas cylinder steel seal as a unique information code through an OCR (optical character recognition) reading device, and uploads read gas cylinder production manufacturing information, filling information, inspection information and circulation tracing information to a gas cylinder tracing layer;
the gas cylinder tracing layer is used for receiving gas cylinder production and manufacturing information, filling information, inspection information and circulation tracing information from the data acquisition layer, and recording data of the gas cylinder production, filling registration, periodic inspection and circulation tracing processes into the block chain platform for storage;
the block chain platform layer is used for receiving data of the gas cylinder production, manufacturing, filling and registering, periodic inspection and circulation tracing processes sent by the gas cylinder tracing layer, and the alliance chain architecture is adopted, so that related business participants of the gas cylinder participate in construction and maintenance of the ledger together; in the data chaining process, each unit is restricted to upload and download transaction data, and the business logic requirements are met.
Wherein, the block chain platform layer includes:
the tracing system is used for interaction between the gas cylinder related business participants and the system, packaging the data operation of the related business participants and obtaining the packaged transaction request;
the intelligent contract is characterized by comprising an intelligent contract, wherein a supervision rule and a service logic are deployed in the intelligent contract, the intelligent contract deployed in a block chain is called by a tracing system through an SDK (software development kit), a transaction request is combined with the intelligent contract, the intelligent contract receives and completes the corresponding service logic, and each enterprise is constrained to upload and download transaction data so as to meet the requirements of the service logic;
the block chain network and the distributed account book are alliance chains formed by related business participants and supervision departments of the gas cylinders, and all the related business participants and the supervision departments serve as block chain network nodes to maintain the block chain network account book together.
The gas cylinder related business participants comprise a manufacturing unit, a filling unit, a checking mechanism, an operating unit and a supervision department, wherein the manufacturing unit inputs gas cylinder production and manufacturing information, the filling unit inputs gas cylinder filling information, the checking mechanism inputs gas cylinder checking information, and the operating unit inputs gas cylinder circulation tracing information.
A control method of a gas cylinder quality safety tracing system based on OCR and a block chain comprises the following steps:
s1, engraving a steel seal on the gas cylinder by the gas cylinder manufacturing unit, wherein each gas cylinder takes the steel seal as a unique information code, and the gas cylinder manufacturing unit and the participators of the related services of the other gas cylinders recognize and read the steel seal number, the gas cylinder manufacturing information, the filling information, the inspection information and the circulation tracing information in an OCR mode and upload the information to the tracing system;
s2, when the steel seal number, the gas cylinder production and manufacturing information, the filling information, the inspection information and the circulation tracing information data are uploaded to a gas cylinder tracing layer, starting a chain winding process;
s3, the supervision department has access right to the block chain network account book and is responsible for uploading all data in the block chain network to a database for social public query; the social public can obtain the production quality information of the gas cylinder through the steel seal number, and safety supervision is realized.
In step S1, the participant of the business related to the gas cylinder manufacturing unit and the rest of the gas cylinders recognizes and reads the steel seal number, records the gas cylinder manufacturing information, filling information, inspection information and circulation tracing information in an OCR mode, and includes the following steps:
s11, when the gas cylinder is produced by a gas cylinder manufacturing unit, as shown in figure 3, the original gas cylinder protective cover is fixedly connected with an informationized mark, the information mark is upgraded to be a steel seal engraved on the protective cover, and the steel seal as a permanent mark cannot be copied, disassembled and replaced. Each gas cylinder takes the steel seal as a unique information code, the steel seal number is identified and read in an OCR mode, the gas cylinder production and manufacturing information is recorded and uploaded to a tracing system,
s12, the gas cylinder filling unit reads the steel seal number in an OCR mode, records the gas cylinder filling information and uploads the gas cylinder filling information to the tracing system, wherein the filling information comprises the steel seal number, the filling date, the filling unit, a filling person, the filling weight or the pressure;
s13, the gas cylinder inspection unit reads the steel seal number in an OCR mode, records the gas cylinder inspection information and uploads the inspection information to the tracing system, wherein the inspection information comprises the steel seal number, inspection date, inspection unit, inspection personnel and inspection conclusion;
and S14, the gas cylinder management unit reads the steel seal number in an OCR mode, records the gas cylinder circulation tracing information and uploads the gas cylinder circulation tracing information to the tracing system, wherein the circulation tracing information comprises the steel seal number, circulation date, the management unit, operators, ex-warehouse information and warehousing information.
In step S2, the uplink procedure includes the following steps:
s21, calling an intelligent contract of identity authentication by the tracing system, and verifying user information and authority for a data uploading unit; if the identity request is not verified, the tracing system prompts that the uploading unit does not register or distribute nodes, and the request fails; if the identity request passes the verification, acquiring the user identity and the configuration authority from the block;
s22, the tracing system packages the data into an uplink transaction request as a parameter of a corresponding intelligent contract, calls the intelligent contract by using a sdk interface and stores the intelligent contract in a block chain network; after the intelligent contract is successfully executed, a map structure is generated, and the structure stores the steel seal number and the transaction information, so that the future inquiry and check are facilitated;
s23, the intelligent contract combines the identity authentication information to carry out rule verification on the uplink transaction according to the preset supervision rule and the service logic; if the verification fails, the tracing system prompts the reason of the transaction failure and the request fails; if the verification is successful, the transaction request is stored to the blockchain network.
As shown in fig. 4, the step S23 of presetting the supervision rules and the service logic in the intelligent contract includes the following steps:
s231, performing compliance verification on all data needing to be linked, wherein the compliance verification includes data format, numerical value size and data type;
s232, verifying the manufacturing information, including uploading user type, whether the gas cylinder is monitored and checked, and whether steel seal information exists;
s233, checking filling information, including uploading user type, whether manufacturing information exists, and whether the gas cylinder state is normal;
s234, checking the checking information, including uploading user type, whether manufacturing information exists or not and whether checking qualification exists or not;
and S235, checking the tracing information, wherein the checking comprises uploading user types, whether pre-filling information exists and whether the state of the gas cylinder is normal.
The production and manufacturing information comprises a steel seal number, a manufacturing unit, a manufacturing year and month, a gas cylinder type, a gas cylinder specification and a service life;
the filling information comprises a steel seal number, a filling date, a filling unit, a filling person, filling weight or pressure;
the inspection information comprises a steel seal number, inspection date, inspection units, inspection personnel and inspection conclusion;
the circulation tracing information comprises a steel seal number, circulation date, an operation unit, an operator, ex-warehouse information and in-warehouse information.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a gas cylinder quality safety system of traceing back based on OCR and block chain which characterized in that: the gas cylinder tracking system comprises a data acquisition layer, a gas cylinder tracking layer and a block chain platform layer;
the system comprises a data acquisition layer, a gas cylinder related business participant reads a gas cylinder steel seal as a unique information code through an OCR (optical character recognition) reading device, and uploads read gas cylinder production manufacturing information, filling information, inspection information and circulation tracing information to a gas cylinder tracing layer;
the gas cylinder tracing layer is used for receiving gas cylinder production and manufacturing information, filling information, inspection information and circulation tracing information from the data acquisition layer, and recording data of the gas cylinder production, filling registration, periodic inspection and circulation tracing processes into the block chain platform for storage;
the block chain platform layer is used for receiving data of the gas cylinder production, manufacturing, filling and registering, periodic inspection and circulation tracing processes sent by the gas cylinder tracing layer, and the alliance chain architecture is adopted, so that related business participants of the gas cylinder participate in construction and maintenance of the ledger together; in the data chaining process, each enterprise is restricted from uploading and downloading transaction data, and the business logic needs are met.
2. An OCR and blockchain based gas cylinder quality safety traceability system as claimed in claim 1, wherein the blockchain platform layer comprises:
the tracing system is used for interaction between the gas cylinder related business participants and the system, packaging the data operation of the related business participants and obtaining the packaged transaction request;
the intelligent contract is characterized by comprising an intelligent contract, wherein a supervision rule and a service logic are deployed in the intelligent contract, the intelligent contract deployed in a block chain is called by a tracing system through an SDK (software development kit), a transaction request is combined with the intelligent contract, and the intelligent contract receives and completes the corresponding service logic;
the block chain network and the distributed account book are alliance chains formed by related business participants and supervision departments of the gas cylinders, and all the related business participants and the supervision departments serve as block chain network nodes to maintain the block chain network account book together.
3. An OCR and block chain based gas cylinder quality safety traceability system as claimed in claim 1, wherein: the gas cylinder related business participants comprise a manufacturing unit, a filling unit, a checking mechanism, an operating unit and a supervision department, wherein the manufacturing unit records gas cylinder production and manufacturing information, the filling unit records gas cylinder filling information, the checking mechanism records gas cylinder checking information, and the operating unit records gas cylinder circulation tracing information.
4. A control method of an OCR and block chain based gas cylinder quality safety traceability system as claimed in any one of claims 1-3, comprising the steps of:
s1, engraving a steel seal on the gas cylinder by the gas cylinder manufacturing unit, wherein each gas cylinder takes the steel seal as a unique information code, and the gas cylinder manufacturing unit and the participators of the related services of the other gas cylinders recognize and read the steel seal number, the gas cylinder manufacturing information, the filling information, the inspection information and the circulation tracing information in an OCR mode and upload the information to the tracing system;
s2, when the steel seal number, the gas cylinder production and manufacturing information, the filling information, the inspection information and the circulation tracing information data are uploaded to a gas cylinder tracing layer, starting a chain winding process;
s3, the supervision department has access right to the block chain network account book and is responsible for uploading all data in the block chain network to a database for social public query; the social public can obtain the production quality information of the gas cylinder through the steel seal number, and safety supervision is realized.
5. The control method of an OCR and block chain based gas cylinder quality safety tracing system as claimed in claim 4, wherein in step S1, the gas cylinder manufacturing unit and the other gas cylinder related business participants read the steel seal number, record the gas cylinder production manufacturing information, the filling information, the inspection information and the circulation tracing information by OCR mode, comprising the following steps:
s11, when the gas cylinder manufacturing unit produces the gas cylinders, engraving a steel seal on the gas cylinder protective cover, using the steel seal as a unique information code for each gas cylinder, recognizing the serial number of the steel seal in an OCR mode, recording the gas cylinder manufacturing information and uploading the information to a tracing system,
s12, the gas cylinder filling unit reads the steel seal number in an OCR mode, records the gas cylinder filling information and uploads the gas cylinder filling information to the tracing system, wherein the filling information comprises the steel seal number, the filling date, the filling unit, a filling person, the filling weight or the pressure;
s13, the gas cylinder inspection unit reads the steel seal number in an OCR mode, records the gas cylinder inspection information and uploads the inspection information to the tracing system, wherein the inspection information comprises the steel seal number, inspection date, inspection unit, inspection personnel and inspection conclusion;
and S14, the gas cylinder management unit reads the steel seal number in an OCR mode, records the gas cylinder circulation tracing information and uploads the gas cylinder circulation tracing information to the tracing system, wherein the circulation tracing information comprises the steel seal number, circulation date, the management unit, operators, ex-warehouse information and warehousing information.
6. An OCR and blockchain based gas cylinder quality safety traceability system control method as claimed in claim 4, wherein the uplink process in step S2 comprises the following steps:
s21, calling an intelligent contract of identity authentication by the tracing system, and verifying user information and authority for a data uploading unit; if the identity request is not verified, the tracing system prompts that the uploading unit does not register or distribute nodes, and the request fails; if the identity request passes the verification, acquiring the user identity and the configuration authority from the block;
s22, the tracing system packages the data into an uplink transaction request as a parameter of a corresponding intelligent contract, calls the intelligent contract by using a sdk interface and stores the intelligent contract in a block chain network; after the intelligent contract is successfully executed, a map structure is generated, and the structure stores the steel seal number and the transaction information, so that the future inquiry and check are facilitated;
s23, the intelligent contract combines the identity authentication information to carry out rule verification on the uplink transaction according to the preset supervision rule and the service logic; if the verification fails, the tracing system prompts the reason of the transaction failure and the request fails; if the verification is successful, the transaction request is stored to the blockchain network.
7. A control method of an OCR and block chain based gas cylinder quality safety tracing system as claimed in claim 6, wherein the step S23 is to preset supervision rules and business logic in the intelligent contract, comprising the following steps:
s231, performing compliance verification on all data needing to be linked, wherein the compliance verification includes data format, numerical value size and data type;
s232, verifying the manufacturing information, including uploading user type, whether the gas cylinder is monitored and checked, and whether steel seal information exists;
s233, checking filling information, including uploading user type, whether manufacturing information exists, and whether the gas cylinder state is normal;
s234, checking the checking information, including uploading user type, whether manufacturing information exists or not and whether checking qualification exists or not;
and S235, checking the tracing information, wherein the checking comprises uploading user types, whether pre-filling information exists and whether the state of the gas cylinder is normal.
8. A control method for an OCR and blockchain based gas cylinder quality safety traceability system as claimed in claim 5,
the production and manufacturing information comprises a steel seal number, a manufacturing unit, a manufacturing year and month, a gas cylinder type, a gas cylinder specification and a service life;
the filling information comprises a steel seal number, a filling date, a filling unit, a filling person, filling weight or pressure;
the inspection information comprises a steel seal number, inspection date, inspection units, inspection personnel and inspection conclusion;
the circulation tracing information comprises a steel seal number, circulation date, an operation unit, an operator, ex-warehouse information and warehousing information.
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| CN116151848A (en) * | 2023-04-21 | 2023-05-23 | 深圳市普燃计算机软件科技有限公司 | Gas cylinder quality safety traceability system based on Internet of things |
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