CN113052458A - Block chain-based college laboratory chemical reagent safety management method and system - Google Patents
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Abstract
A college laboratory chemical reagent safety management method based on block chains is characterized in that related participants are determined according to the circulation process of college laboratory chemical reagent information, and corresponding block chain link points are created; constructing a chemical reagent information alliance block chain according to the block link points, and issuing chemical reagent information of each link to the chemical reagent information alliance block chain through the block link points; performing communication processing on the chemical reagent information based on the chemical reagent information in the chemical reagent information alliance block chain and a preset intelligent contract, and further monitoring the chemical reagent information; and to provide a block chain based system for laboratory chemical reagent safety management in colleges and universities. The invention realizes effective and efficient laboratory chemical reagent safety management by using a block chain technology, and solves the problems of incomplete chemical reagent circulation records and unreliable tracing data in the conventional system.
Description
Technical Field
The invention relates to the technical field of chemical reagent safety management, in particular to a block chain-based college laboratory chemical reagent safety management method and system.
Background
Chemical reagent is indispensable laboratory supplies in the chemistry laboratory, and some belong to dangerous chemicals in the chemical reagent again, these dangerous chemicals need supervise in real time in the use, most laboratories are used, use chemical reagent now, especially the supervision of chemical dangerous article still stops at the original stage of manual registration, manual statistics, this use and the stock condition that just makes laboratory managers can not in time know chemical reagent, also be favorable to the traceable management to chemical reagent, and managerial efficiency is also lower, has the hidden danger that chemical reagent flows to the obscure.
At present, although some chemical reagent management platforms based on informatization software exist, the platforms only improve the efficiency of recording chemical reagent management information in schools, the efficiency is changed from handwriting to manual data input to record the receiving information of chemical reagents, and the actual use condition of dangerous chemicals cannot be effectively tracked. At the same time, these platforms lack a complete record of the source information of the chemical reagents. Moreover, data is stored in a centralized manner on the platforms, and the data is not safe and is easy to be tampered, so that the obtained tracing result is not always safe and reliable.
Disclosure of Invention
In order to solve the safety problem of information tampering of the existing chemical reagent management system, the invention provides a block chain-based method and a block chain-based system for safety management of chemical reagents in colleges and universities, so as to solve the problems of incomplete circulation records of the chemical reagents and unreliable traceability data of the existing system.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a method for blockchain-based laboratory chemical safety management in a college, the method comprising the steps of:
step 1: determining related participants according to the circulation process of the chemical reagent information of the colleges and universities, and creating corresponding block link points;
step 2: constructing a chemical reagent information alliance block chain according to the block link points, and issuing chemical reagent information of each link to the chemical reagent information alliance block chain through the block link points;
and step 3: and carrying out communication processing on the chemical reagent information based on the chemical reagent information in the chemical reagent information alliance block chain and a preset intelligent contract, and further realizing the monitoring on the chemical reagent information.
Further, in the step 1, relevant parties in the circulation process of the chemical reagents in the laboratories of colleges and universities include producers, transporters, managers, users and supervision departments, and each component establishes its own block chain node.
Furthermore, the producer is a chemical reagent producer, the transporter is a chemical reagent logistics transportation person, the manager is a chemical reagent manager in a college laboratory, the user is a student or a teacher claiming a chemical reagent to perform an experiment, and the supervision department is a chemical reagent government supervision department.
Furthermore, a supervision department is responsible for constructing a chemical reagent information alliance chain and performing transaction processing on each node as a super node in the block chain, wherein a block chain bottom layer protocol is formulated by a monitoring node, other nodes need to be registered and applied on a platform, the alliance block chain can be added after being checked by the monitoring node, and meanwhile, according to different functions of each node, a government supervisor gives different certificates and authorities to the alliance chain; when each node except the government supervisor node registers the block chain of the alliance, identification materials need to be provided and are approved by the government supervisor node, otherwise, the node cannot issue and inquire information on the block chain and cannot be trusted by other nodes.
In the step 2, a producer adds an RFID label to the chemical reagent in a production link according to a 'one-object-one-code' mode, wherein the label is used as a unique identifier of the chemical reagent, namely a traceability code; the manager and the supervision department can trace the whole life cycle of the chemical reagent according to the tracing code; after the chemical reagent production is finished, the producer uplinks and stores the personnel information, the material source information, the self identity information and the traceability code information which participate in the current chemical reagent production.
Further, after the laboratory administrator of the colleges and universities completes the procurement to the chemical reagent supplier, the chemical reagent producer delivers the goods and delivers the chemical reagent to the transporter, and in the chemical reagent transportation process, the transporter uploads the logistics information including the transportation path and the identity information of the transporter.
And furthermore, when the chemical reagent is transported to a chemical reagent management department of a school, the administrator confirms the chemical reagent, writes the chemical reagent confirmation receiving information and the chemical reagent auditing information into the block chain, and updates the state of the chemical reagent.
And furthermore, a chemical reagent user can receive the chemical reagent after the campus card is authenticated, and can automatically submit the receiving information of the chemical reagent on the block chain through the intelligent terminal, so that the use data of the user in the use process, such as the use duration, the use amount of the reagent and the position information, can be uploaded to the block chain in real time.
And when the sensing hardware detects that the chemical reagent is used up, the intelligent terminal marks the state of the chemical reagent as waste on the block chain, and reminds a user to send the chemical reagent to a waste point specified by a manager of colleges and universities for centralized treatment, so that the whole process of the life cycle of the chemical reagent is completed.
In step 3, the network structure of the federation block chain of chemical reagent information is shown in fig. 2, each part accesses the federation block chain through a block chain node deployed by each part, and broadcasts chemical reagent information to the federation block chain, so as to implement real-time information sharing of each part, and because the functions of each sub-part are different, the data access authority of each component part is different, so that the system generates an intelligent contract according to a data access rule, a service processing flow, a basic contract and a protocol, so that each node on the federation chain can perform data transmission and data processing according to the intelligent contract, and store data in a distributed database. The smart contract also includes encryption rules for different types of data.
Further, the chemical reagent information alliance blockchain comprises five nodes, an application client, a network server and a data terminal, wherein the five nodes refer to the producer, the transporter, the manager, the user and the government regulatory department, the application client refers to an application program for accessing the blockchain by the mobile terminal or the PC terminal of each node of the blockchain, the application program provides a service interface under the corresponding authority of each node, supports each node to perform inquiry and broadcast of the blockchain transaction information, each user accesses the alliance blockchain through the application program to perform data inquiry and recording, so that the mobile terminal or the PC terminal installed with the application program becomes the node of the alliance blockchain, for example, the user terminal node can conveniently find out the required chemical reagent by using the application client to inquire the position information of the available chemical reagent, the residual information and the like.
Further, the network service end refers to an application program for processing a client service by the block chain, the application program comprises a distributed algorithm for computing each node at the same time, an asymmetric encryption method for encrypting information of each node, a block chain underlying technology such as an intelligent contract and the like, so that the feedback of a client query result and the broadcasting of a recording result to each node of the block chain are realized, the data end refers to a local distributed database of each node of the block chain, each transaction information is stored in one block and is marked by a timestamp, a consistent block chain is formed at each node by including a hash value of the previous block and a hash value of the current block, and each node can view publicable information and protect own privacy information in an asymmetric encryption mode.
A college laboratory chemical reagent safety management system based on a block chain is divided into four layers, namely an access layer, an application layer, a service layer and a persistence layer, wherein the access layer is an operation interface used by a user, provides an interaction mode for the user and a server, and is divided into a hazardous chemical substance management device end and a background management system; the application layer and the service management layer are bridges for interaction between the access layer and the persistent layer, the access layer can input data to the persistent layer through the application layer and the service management layer, the data persistent layer can also output data to the access layer through the application layer and the service management layer, and the persistent layer is used for performing data persistence operation and writing the data into a MySQL database and a block chain.
The invention has the beneficial effects that: according to the technical scheme, by establishing the block alliance chain for disclosing the full life cycle information of the chemical reagent, all the components participating in a certain link of the full life cycle of the chemical reagent are all one node, the nodes of the components of all the links are issued and obtained through the alliance chain to obtain the related information and record data of all the links of the chemical reagent, all the information and records can be effectively guaranteed to be not falsified, information counterfeiting is avoided, the source tracing of the chemical reagent information can be carried out through the alliance chain, the monitoring of the chemical reagent information is guaranteed, and the block alliance chain can be used for preventing and controlling the safety of the chemical reagent.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a process flow diagram of the process of the present invention.
Fig. 2 is a schematic diagram of a federation blockchain network architecture for the method of the present invention.
FIG. 3 is a block chain system structure diagram of the present invention.
FIG. 4 is a schematic view of a chemical agent safety management system of the method of the present invention
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a method for safety management of chemical reagents in college laboratories based on block chains includes the following steps:
step 1: determining related participants according to the circulation process of the chemical reagent information and creating corresponding block link points;
in the step 1, the related parties in the chemical reagent circulation process comprise a producer, a transporter, a manager, a user and a supervision department, and each component establishes a block chain node of the component;
the manufacturer is a chemical reagent manufacturer, the transporter is a chemical reagent logistics transportation person, the manager is a chemical reagent manager in a college laboratory, the user is a student or a teacher claiming a chemical reagent to perform an experiment, and the supervision department is a chemical reagent government supervision department;
the supervision department is responsible for constructing a chemical reagent information alliance chain and performing transaction processing on each node as a super node in the block chain, wherein a block chain bottom layer protocol is formulated by a monitoring node, other nodes need to be registered and applied on a platform, the alliance block chain can be added after being audited by the monitoring node, and meanwhile, according to different functions of each node, a government supervisor gives different certificates and authorities to the node; when each node except the government supervisor node registers the block chain of the alliance, identity certification materials need to be provided and are approved by the government supervisor node, otherwise, the node cannot issue and inquire information on the block chain and cannot be trusted by other nodes;
step 2: constructing a chemical reagent information alliance block chain according to the block link points, and issuing chemical reagent information of each link to the chemical reagent information alliance block chain through the block link points;
in the step 2, the producer adds an RFID tag to the chemical reagent in a production link according to a "one-object-one-code" manner, and the tag is used as a unique identifier of the chemical reagent, i.e., a traceability code. The manager and the supervision department can trace the whole life cycle of the chemical reagent according to the tracing code; after the chemical reagent production is finished, the producer links and stores the personnel information, the material source information, the self identity information and the traceability code information which participate in the current chemical reagent production;
after the university laboratory administrator completes the purchase of the chemical reagent supplier, the chemical reagent producer delivers the goods and delivers the chemical reagent to the transporter; in the chemical reagent transportation process, a transporter uploads logistics information including a transportation path and identity information of the transporter;
when the chemical reagent is transported to a school chemical reagent management place, an administrator confirms the chemical reagent, writes chemical reagent confirmation receiving information and chemical reagent audit information into a block chain, and updates the state of the chemical reagent;
the user of the chemical reagent can receive the chemical reagent after the campus card is authenticated, and can automatically submit the receiving information of the chemical reagent on the block chain through the intelligent terminal. The use data of the user in the use process, such as the use duration, the use amount of the reagent and the position information, can be uploaded to the block chain in real time;
when the sensing hardware detects that the chemical reagent is used up, the intelligent terminal marks the state of the chemical reagent as waste on the block chain, and reminds a user to send the chemical reagent to a waste point appointed by a manager of a colleges and universities for centralized treatment, so that the whole process of the life cycle of the chemical reagent is completed;
and step 3: performing communication processing on the chemical reagent information based on the chemical reagent information in the chemical reagent information alliance block chain and a preset intelligent contract, and further monitoring the chemical reagent information;
in step 3, the network structure of the federation block chain of chemical reagent information is shown in fig. 2, each part accesses the federation block chain through a block chain node deployed by each part, and broadcasts chemical reagent information to the federation block chain, so as to implement real-time information sharing of each part, and because the functions of each sub-part are different, the data access authority of each component part is different, so that the system generates an intelligent contract according to a data access rule, a service processing flow, a basic contract and a protocol, so that each node on the federation chain can perform data transmission and data processing according to the intelligent contract, and store data in a distributed database. The smart contract also includes encryption rules for different types of data.
Referring to fig. 3, the chemical reagent information federation blockchain includes five nodes, an application client, a network server and a data end, where the five nodes refer to the producer, the transporter, the manager, the user and the government regulatory department, the application client refers to an application program for accessing the blockchain by a mobile end or a PC end of each node of the blockchain, and provides a service interface under the corresponding authority of each node, and supports each node to query and broadcast block chain transaction information, and each user accesses the federation blockchain through the application program to query and record data, so that the mobile end or the PC end installed with the application program becomes a node of the federation blockchain, for example, a user terminal node can query location information of available chemical reagents, residual information and the like by using the application client to conveniently find out the required chemical reagents.
The network server side refers to an application program for processing the client side service by the block chain, and comprises a distributed algorithm for simultaneously calculating each node, an asymmetric encryption method for encrypting information of each node, an intelligent contract and other block chain bottom layer technologies, so that the feedback of a client side query result and the broadcasting of a recording result to each node of the block chain are realized. The data end refers to a local distributed database of each node of the block chain, each transaction information is stored in one block and is marked with a timestamp, a consistent block chain is formed at each node by including the hash value of the previous block and the hash value of the block, and each node can view publicable information and protect private information in an asymmetric encryption mode.
Example 2
The present embodiment provides a block chain-based chemical reagent safety management system based on the block chain-based chemical reagent safety management method.
Referring to fig. 4, fig. 4 is a schematic diagram of a chemical reagent safety management system built based on a block chain according to the present invention. The system is divided into four layers, namely an access layer, an application layer, a service layer and a persistence layer. The access layer is an operation interface used by a user, provides an interaction mode for the user and the server, and is divided into a dangerous chemical substance management device end and a background management system. The application layer and the service management layer are bridges for interaction between the access layer and the persistent layer, the access layer can input data to the persistent layer through the application layer and the service management layer, and the data persistent layer can also output data to the access layer through the application layer and the service management layer. And the persistence layer is used for carrying out data persistence operation and writing data into the MySQL database and the block chain.
Claims (10)
1. A method for blockchain-based laboratory chemical safety management in colleges and universities, the method comprising the steps of:
step 1: determining related participants according to the circulation process of the chemical reagent information of the colleges and universities, and creating corresponding block link points;
step 2, constructing a chemical reagent information alliance block chain according to the block link points, and issuing the chemical reagent information of each link to the chemical reagent information alliance block chain through the block link points;
and 3, carrying out communication processing on the chemical reagent information based on the chemical reagent information in the chemical reagent information alliance block chain and a preset intelligent contract, and further realizing the monitoring on the chemical reagent information.
2. The method for safety management of chemical reagents in college laboratories based on blockchain as claimed in claim 1, wherein in the step 1, relevant parties in circulation of chemical reagents in college laboratories include producers, transporters, managers, users and supervision departments, and each component part establishes its own blockchain node.
3. The method for safety management of chemical reagents in college laboratories based on blockchains as claimed in claim 2, wherein the producer is a chemical reagent producer, the transporter is a chemical reagent logistics transporter, the manager is a chemical reagent manager in college laboratories, the user is a student or a teacher claiming a chemical reagent to perform experiments, and the supervision department is a chemical reagent government supervision department.
4. The method for safety management of chemical reagents in college laboratories based on blockchains as claimed in claim 3, wherein the supervision department is responsible for building a chemical reagent information federation chain and performing transaction processing on each node as a super node in the blockchain, wherein a blockchain underlying protocol is formulated by a monitoring node, other nodes need to be registered and applied on a platform, the federation blockchain can be added after being audited by the monitoring node, and meanwhile, different certificates and authorities are given to each node by a government supervisor according to different functions of the node; when each node except the government supervisor node registers the block chain of the alliance, identification materials need to be provided and are approved by the government supervisor node, otherwise, the node cannot issue and inquire information on the block chain and cannot be trusted by other nodes.
5. The method for safety management of chemical reagents in college laboratories based on block chains as claimed in any one of claims 2 to 4, wherein in the step 2, the producer adds an RFID tag to the chemical reagents in a "one-object-one-code" manner in the production process, and the RFID tag is used as a unique identifier of the chemical reagents, namely a traceability code; the manager and the supervision department can trace the whole life cycle of the chemical reagent according to the tracing code. After the chemical reagent production is finished, the producer uplinks and stores the personnel information, the material source information, the self identity information and the traceability code information which participate in the current chemical reagent production.
6. The method for safety management of chemical reagents in block chain-based college laboratories according to claim 3 or 4, wherein after the college laboratory administrator completes the procurement of the chemical reagents from the chemical reagent suppliers, the chemical reagent producers deliver the chemical reagents to the transporters, and in the chemical reagent transportation process, the transporters upload the logistics information including the transportation path and the identity information of the transporters.
7. The method for safety management of chemical reagents in college laboratory based on block chain as claimed in claim 3 or 4, wherein when chemical reagents are transported to school chemical reagent management department, administrator confirms chemical reagents, writes chemical reagent confirmation receiving information and chemical reagent auditing information into block chain, and updates chemical reagent status.
8. The method for safety management of chemical reagents in college laboratories based on blockchains as claimed in claim 3 or 4, wherein a user of a chemical reagent can get the chemical reagent after the user is authenticated by the campus card, and automatically submit the getting information of the chemical reagent on the blockchain through the intelligent terminal, and the use data of the user during the use process, such as the use duration, the use amount of the reagent, and the position information, can be uploaded to the blockchain in real time.
When the sensing hardware detects that the chemical reagent is used up, the intelligent terminal marks the state of the chemical reagent as waste on the block chain, and reminds a user to send the chemical reagent to a waste point appointed by a manager of a colleges and universities for centralized treatment, so that the whole process of the life cycle of the chemical reagent is completed.
9. The method for block chain-based laboratory chemical reagent security management in colleges and universities according to claim 3 or 4, wherein in step 3, the chemical reagent information federation block chain is accessed into the federation block chain through the respectively deployed block chain nodes, and broadcasts chemical reagent information to the federation block chain, so as to implement real-time information sharing of each part, and since the function of each sub-part is different, the data access authority of each component is different, therefore, the system generates an intelligent contract according to the data access rule, the business processing flow, the basic contract and the protocol, so that each node in the federation chain can perform data transmission and data processing according to the intelligent contract, and store the data in the distributed database, and the intelligent contract further includes an encryption rule for different types of data;
the chemical reagent information alliance block chain comprises five nodes, an application client, a network server and a data terminal, wherein the five nodes refer to the producer, the transporter, the manager, the user and the government supervision department, the application client refers to an application program for accessing the block chain by a mobile terminal or a PC terminal of each node of the block chain, the application program provides a service interface under the corresponding authority of each node, supports each node to inquire and broadcast block chain transaction information, and each user accesses the alliance block chain through the application program to inquire and record data, so that the mobile terminal or the PC terminal provided with the application program becomes the node of the alliance block chain;
the network server side refers to an application program for processing the client side service by the block chain, and comprises a distributed algorithm for simultaneously calculating each node, an asymmetric encryption method for encrypting information of each node, an intelligent contract and other block chain bottom layer technologies, so that the feedback of a client side query result and the broadcasting of a recording result to each node of the block chain are realized; the data end refers to a local distributed database of each node of the block chain, each transaction information is stored in one block and is marked with a timestamp, a consistent block chain is formed at each node by including the hash value of the previous block and the hash value of the block, and each node can view publicable information and protect private information in an asymmetric encryption mode.
10. The system for implementing the method for the safety management of the chemical reagents in the college laboratories based on the blockchain as claimed in claim 1, wherein the system is divided into four layers, namely an access layer, an application layer, a service layer and a persistent layer, wherein the access layer is an operation interface for users, provides an interaction mode for the users and the server, and is divided into a hazardous chemical substance management device end and a background management system; the application layer and the service management layer are bridges for interaction between the access layer and the persistent layer, the access layer can input data to the persistent layer through the application layer and the service management layer, the data persistent layer can also output data to the access layer through the application layer and the service management layer, and the persistent layer is used for performing data persistence operation and writing the data into a MySQL database and a block chain.
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| CN114118981A (en) * | 2021-12-09 | 2022-03-01 | 泉州师范学院 | Laboratory operation management method and system based on block chain |
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