CN220586308U

CN220586308U - Data management system

Info

Publication number: CN220586308U
Application number: CN202321585565.1U
Authority: CN
Inventors: 白书源; 董事; 陈灵军; 彭英明
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2024-03-12
Anticipated expiration: 2033-06-20

Abstract

The utility model provides a data management system, relates to the technical field of communication, and solves the technical problem that the validity, the accuracy and the integrity of fuel gas data cannot be guaranteed in the prior art. The data management system comprises a fuel gas data acquisition device, a fuel gas data encryption device, a fuel gas data processing device and a blockchain network which are sequentially in communication connection.

Description

Data management system

Technical Field

The present utility model relates to the field of communications technologies, and in particular, to a data management system.

Background

With the development of society, the need for monitoring gas data is expanding.

In the prior art, the data of the fuel gas detected by the fuel gas detector is transmitted to a data platform of a fuel gas management department for receiving and processing, and then the final fuel gas data is output.

In the prior art, in the process of transmitting and processing the gas data, the gas data is easy to lose or be tampered because the gas data cannot be effectively monitored and managed, so that the effectiveness, the accuracy and the integrity of the gas data cannot be ensured.

Disclosure of Invention

The utility model aims to provide a data management system which solves the technical problem that the validity, the accuracy and the integrity of fuel gas data cannot be guaranteed in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

in a first aspect, a data management system is provided, including a gas data collection device, a gas data encryption device, a gas data processing device, and a blockchain network in communication connection in sequence.

Optionally, the data management system further comprises: a client; the client is in communication connection with the gas data processing device.

Optionally, the gas data acquisition device is used for acquiring gas data;

the fuel gas data encryption equipment is used for encrypting fuel gas data;

the gas data processing equipment is used for verifying the encrypted gas data, acquiring a data abstract of the gas data which is successfully verified, and storing the data abstract into the blockchain network;

the client is used for responding to the query instruction and sending query information to the gas data processing equipment;

the gas data processing equipment is also used for receiving the query information and sending gas data corresponding to the query information to the client.

Optionally, the gas data includes: the gas flow in the gas environment to be detected, the methane content of the gas environment to be detected, the ambient temperature of the gas environment to be detected and the ambient pressure of the gas environment to be detected;

the gas data acquisition device includes: a gas flowmeter, a methane determinator, a temperature transmitter and a pressure transmitter;

the gas flowmeter is used for collecting the gas flow in the gas environment to be detected;

the methane detector is used for collecting the methane content of the gas environment to be detected;

the temperature transmitter is used for acquiring the ambient temperature of the gas environment to be detected;

the pressure transmitter is used for collecting the ambient pressure of the gas environment to be detected.

Optionally, the gas data encryption device includes: the system comprises a power module, an Internet of things wireless data collector, a communication protocol module, an encryption module and a wireless communication module;

the power module is respectively in communication connection with the wireless data collector of the Internet of things, the communication protocol module, the encryption module and the wireless communication module and is used for supplying power to the wireless data collector of the Internet of things, the communication protocol module, the encryption module and the wireless communication module;

the wireless data acquisition device of the Internet of things is also in communication connection with the communication protocol module through an RS485 interface; the model of the wireless data collector of the Internet of things is F2114 GPRS DTU, and is used for receiving the gas data acquired by the gas data acquisition equipment;

the communication protocol module is also in communication connection with the encryption module; the communication protocol module is used for receiving the gas data acquired by the gas data acquisition equipment and sending the gas data to the encryption module;

the encryption module is also in communication connection with the wireless communication module through an RJ45 interface; the chip model of the encryption module is an HSMD1 chip and is used for encrypting the gas data and sending the encrypted gas data to the wireless communication module;

the wireless communication module is also in communication connection with the fuel gas data processing equipment; the wireless communication module is used for sending the encrypted gas data to the gas data processing equipment.

Optionally, the gas data processing apparatus includes: the system comprises a processing module, a storage module, an analysis module, a response module and a safety module;

the processing module is respectively in communication connection with the wireless communication module, the storage module, the analysis module, the security module and the blockchain network;

the storage module is respectively in communication connection with the analysis module, the blockchain network and the processing module;

the analysis module is respectively in communication connection with the processing module, the storage module and the response module;

the response module is respectively in communication connection with the analysis module and the client;

the safety module is respectively in communication connection with the analysis module and the processing module.

Optionally, the chip model of the processing module is an RJGT102 series chip or an RJMU401 series chip;

the chip model of the storage module is a data type flash memory NAND flash chip;

the analysis module is a microprocessor MPU unit;

the chip model of the response module is an e5551 transponder chip;

the chip model of the security module is any one of LM324, LM358, and uA 741.

Optionally, the processing module is configured to: acquiring encrypted fuel gas data; verifying the encrypted gas data; acquiring a data abstract of the gas data which is successfully verified;

the analysis module is used for: acquiring the gas data which is successfully verified, and performing outlier processing on the gas data which is successfully verified to obtain processed gas data;

the processing module is also used for: acquiring a data abstract of the processed fuel gas data;

the storage module is used for: storing a plurality of data; storing the plurality of data into a blockchain network; receiving and storing a plurality of block identifications which are sent by a block chain network and correspond to the plurality of data one by one; the plurality of data includes: verifying successful gas data, a data abstract of the successful gas data, processed gas data and a data abstract of the processed gas data;

the response module is used for: receiving a first request sent by a client, and responding to the first request, and sending processed gas data corresponding to the first request to the client;

the security module is used for: receiving a second request sent by the client and sending the second request to the processing module;

the processing module is also used for: responding to the second request, and acquiring a block identifier corresponding to the second request; the second request includes a data digest of the requested data; obtaining a target data abstract corresponding to the block identifier; and determining the comparison result of the data abstract and the target data abstract of the request data, and sending the comparison result to the client through the security module.

Optionally, the blockchain network includes: firewall, switch, blockchain node server, blockchain as-a-service BaaS server, cloud storage server and distributed file system;

the firewall is in communication connection with the switch;

the switch is respectively in communication connection with the block chain link point server, the BaaS server and the cloud storage server;

the cloud storage server is in communication connection with the distributed file system.

Optionally, the client includes an application layer and a platform layer;

the application layer is used for displaying the gas data in the gas using equipment;

the platform layer is used for displaying the gas data in the gas management equipment.

The data management system provided by the utility model has at least the following beneficial effects:

the application provides a data management system, including communication connection's gas data acquisition equipment, gas data encryption equipment, gas data processing equipment and blockchain network in proper order.

Firstly, after the gas data acquisition equipment acquires the gas data, the acquired gas data can be encrypted through the gas data encryption equipment, so that the safety prevention and control of the first layer are provided. Then, because the blockchain has the technical characteristics of reliable data, non-falsification, transparency, distributed storage and the like and the characteristics of distributed accounting, encryption, openness and sharing, the gas data processing equipment can store the verified gas data into the blockchain network after verifying the gas data encryption equipment. The utility model applies the blockchain technology, can promote the scientificalness and intellectualization level of the gas data management work, and plays an important role in enhancing the gas data management.

Drawings

FIG. 1 is a schematic diagram of a data management system according to the present application;

fig. 2 is a schematic structural diagram of a fuel gas data acquisition device provided in the present application;

fig. 3 is a schematic structural diagram of a fuel gas data encryption device provided in the present application;

FIG. 4 is a schematic diagram of a fuel gas data processing apparatus provided in the present application;

FIG. 5 is a schematic diagram of a block chain network provided herein;

fig. 6 is a schematic structural diagram of a client provided in the present application.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As described in the background art, in the process of transmitting and processing the gas data in the prior art, the gas data is easy to be lost or tampered because the gas data cannot be effectively monitored and managed, so that the validity, the accuracy and the integrity of the gas data cannot be guaranteed.

In view of the above problems, the present utility model provides a data management system, which includes a gas data acquisition device, a gas data encryption device, a gas data processing device, and a blockchain network that are sequentially connected in communication.

Illustratively, as shown in FIG. 1, the data management system 10 includes a gas data acquisition device 1, a gas data encryption device 2, a gas data processing device 3, and a blockchain network 4 in communication with one another.

Optionally, the data management system 10 further includes: a client 5. The client 5 is in communication with the gas data processing device 3.

Wherein, the gas data acquisition equipment 1 is used for gathering gas data.

The gas data encryption device 2 is used for encrypting gas data.

The gas data processing device 3 is configured to verify the encrypted gas data, obtain a data digest of the gas data that is verified successfully, and store the data digest in the blockchain network 4.

The client 5 is configured to send query information to the gas data processing apparatus 3 in response to a query instruction.

The gas data processing device 3 is further configured to receive the query information, and send gas data corresponding to the query information to the client 5.

In one implementation manner, the connection manner between the gas data acquisition device 1 and the gas data encryption device 2 may be an infrared sensing/electrical connection, and the gas data acquisition device 1 may transmit the acquired gas data to the gas data encryption device 2.

The gas data may include: the gas flow in the gas environment to be detected, the methane content of the gas environment to be detected, the ambient temperature of the gas environment to be detected and the ambient pressure of the gas environment to be detected.

As shown in fig. 2, the gas data acquisition apparatus 1 includes: a gas flow meter 11, a methane determinator 12, a temperature transmitter 13 and a pressure transmitter 14.

The gas flow meter 11 is used for collecting the gas flow in the gas environment to be detected.

Specifically, the gas flowmeter 11 is used for measuring the gas pipeline flow, has the advantages of high measurement accuracy, wide range, low power consumption, convenient installation, simple operation, small pressure loss and the like, can display the measured working condition volume flow or standard volume flow (integrated intelligent temperature and pressure compensation) on site, and can be additionally provided with a pulse or 4-20 milliamp current output function according to the needs of a user.

The methane determinator 12 is used to collect the methane content of the gas environment to be detected.

Specifically, the methane analyzer 12 is used for measuring the methane content, gas, etc. in the gas station. The methane measurer 12 can store 3000 groups of data, has functions of key adjustment, LED display and the like, and can measure 0-4%.

The temperature transmitter 13 is used for acquiring the ambient temperature of the gas environment to be detected.

Specifically, the temperature transmitter 13 is used for measuring the temperature in the gas station. The temperature transmitter converts the signal of the temperature sensor into a current signal and is connected to the secondary instrument so as to display the corresponding temperature.

The pressure transmitter 14 is used for acquiring the ambient pressure of the gas environment to be detected.

In particular, the pressure transmitter 14 is used to measure the pressure level in a gas station. Is a device for converting pressure into a pneumatic signal or an electric signal for control and remote transmission. The pressure transmitter 14 can convert physical pressure parameters such as gas, liquid, etc., sensed by the load cell sensor into standard electrical signals (e.g., 4-20 mADC, etc.) for measurement, indication, and process adjustment by secondary meters such as indication alarms, recorders, regulators, etc.

In one possible implementation, the gas data encryption device 2 is configured to encrypt data collected by the gas data collection device 1, and is in communication connection with the gas data collection device 1. As shown in fig. 3, the gas data encryption device 2 includes: the system comprises a power module 21, an internet of things wireless data collector 22, a communication protocol module 23, an encryption module 24 and a wireless communication module 25.

The power module 21 is respectively in communication connection with the internet of things wireless data collector 22, the communication protocol module 23, the encryption module 24 and the wireless communication module 25, and is used for supplying power to the internet of things wireless data collector 22, the communication protocol module 23, the encryption module 24 and the wireless communication module 25.

Specifically, the power module 21 is electrically connected with the wireless data collector 22, the communication protocol module 23, the encryption module 24 and the wireless communication module 25 of the internet of things, and is configured to supply power to the wireless data collector 22, the communication protocol module 23, the encryption module 24 and the wireless communication module 25 of the internet of things, so as to uniformly supply power to the wireless data collector.

The wireless data collector 22 of the Internet of things is also in communication connection with the communication protocol module 23 through an RS485 interface. The model of the wireless data collector 22 of the internet of things is F2114 GPRS DTU, and is used for receiving the gas data acquired by the gas data acquisition equipment 1.

Specifically, the wireless data collector 22 of the internet of things can adopt F2114 (GPRS DTU) as a data transmission terminal, and F2114 is a wireless data transmission terminal of the internet of things, and uses an operator network to provide wireless long-distance data transmission for a user, support the GPRS network, and simultaneously support RS232 and RS485 (or RS 422) interfaces, so as to realize transparent data transmission.

The internet of things wireless data collector 22 has a low power design with a minimum power consumption of less than 1mA.

The wireless data collector 22 of the internet of things can also provide 5 paths of I/0, and can realize functions of digital input and output, pulse output, analog input, pulse counting and the like.

The communication protocol module 23 is also in communication with the encryption module 24. The communication protocol module 23 is configured to receive the gas data collected by the gas data collection device 1, and send the gas data to the encryption module 24.

Specifically, the communication protocol module 23 adopts a standard communication protocol to convert the gas data acquired by the gas data acquisition device 1 into a storable data format. The wireless data collector 22 of the Internet of things is in communication connection with the communication protocol module 23 and can be connected by using an RS485 interface.

The encryption module 24 is also communicatively coupled to the wireless communication module 25 via an RJ45 interface. The encryption module 24 is an HSMD1 chip, and is configured to encrypt the gas data and send the encrypted gas data to the wireless communication module 25.

Specifically, after the wireless data collector 22 of the internet of things receives the gas data sent by the gas data collecting device 1, the gas data can be sent to the encryption module 24 through the communication protocol module 23, the blockchain software with signature encryption is installed in the encryption module 24, the encryption module 24 reads the original data, then encrypts the original data to sign the original data, and then sends the encrypted data to the gas data processing device 3 through the wireless communication module 25.

Meanwhile, the encryption module 24 automatically calculates the digest of the original data (the hash value is calculated through a universal hash algorithm) through the blockchain software, and the packaged digest data is uploaded to the blockchain network 4 for uplink certification according to the frequency.

The communication protocol module 23 is communicatively connected to the encryption module 24, and may be connected using an RJ45 interface.

The wireless communication module 25 is also in communication with the gas data processing device 3. The wireless communication module 25 is used for transmitting the encrypted gas data to the gas data processing apparatus 3.

Specifically, the wireless communication module 25 is communicatively connected to the gas data processing apparatus 3, and is configured to transmit encrypted gas data to the gas data processing apparatus 3.

The wireless communication module 25 may be connected to the gas data processing device 3 by using an Internet public network such as ADSL, a public network such as fixed IP, a public network dynamic ip+dns resolution service, or an APN/VPDN private network.

The encryption module 24 is communicatively coupled to the wireless communication module 25, and may be coupled using an RJ45 interface.

In one way that can be implemented, as shown in fig. 4, the gas data processing device 3 comprises: a processing module 31, a storage module 32, an analysis module 33, a response module 34 and a security module 35.

The processing module 31 is communicatively coupled to the wireless communication module 25, the storage module 32, the analysis module 33, the security module 35, and the blockchain network 4, respectively.

Optionally, the chip type of the processing module 31 is an RJGT102 chip or an RJMU401 chip.

The storage module 32 is communicatively coupled to the analysis module 33, the blockchain network 4, and the processing module 31, respectively.

Optionally, the chip type of the memory module 32 is a data type flash NAND flash chip.

The analysis module 33 is communicatively connected to the processing module 31, the storage module 32 and the response module 34, respectively.

Optionally, the analysis module 33 is a microprocessor MPU unit.

The response module 34 is communicatively connected to the analysis module 33 and the client 5, respectively.

Optionally, the transponder module 34 has a chip type e5551 transponder chip.

The security module 35 is communicatively connected to the analysis module 33 and the processing module 31, respectively.

Optionally, the chip model of the security module 35 is any one of LM324, LM358, and uA 741.

The processing module 31 is configured to: and acquiring encrypted gas data. And verifying the encrypted gas data. And acquiring a data abstract of the gas data which is successfully verified.

The analysis module 33 is configured to: and acquiring the gas data which is successfully verified, and performing outlier processing on the gas data which is successfully verified to obtain the processed gas data.

The processing module 31 is further configured to: and acquiring a data abstract of the processed fuel gas data.

The storage module 32 is configured to: a plurality of data is stored. A plurality of data is stored into the blockchain network 4. And receiving and storing a plurality of block identifications which are sent by the block chain network 4 and correspond to the plurality of data one by one. The plurality of data includes: verifying successful gas data, verifying a data summary of the successful gas data, processing the gas data and processing the data summary of the gas data.

The answer module 34 is for: and receiving a first request sent by the client 5, and responding to the first request, and sending processed gas data corresponding to the first request to the client 5.

The security module 35 is for: the second request sent by the client 5 is received and sent to the processing module 31.

The processing module 31 is further configured to: and responding to the second request, and acquiring the block identifier corresponding to the second request. The second request includes a data digest of the requested data. And obtaining a target data abstract corresponding to the block identifier. The comparison result of the data digest of the requested data and the target data digest is determined and sent to the client 5 through the security module 35.

Specifically, the processing module 31 is used as a core component of the gas data processing apparatus 3, and is used for performing calculation processing on data, including key decryption calculation, data digest calculation, and the like.

After the gas data processing device 3 receives the gas data transmitted by the gas data encryption device 2, the processing module 31 decrypts and verifies the gas data, decrypts the encrypted gas data and the signature data transmitted by the gas data encryption device 2, decrypts and verifies that the data is not tampered in the data transmission process through the private key and the public key, ensures that the data is safe and reliable, and confirms that the data and the data source are transmitted to the storage module 32.

The storage module 32 is used for storing the gas data acquired by the gas data acquisition device 1, and is used for packing and linking the subsequent gas data, and storing the data requested to be accessed by the client 5.

Optionally, the storage module 32 may package various stored fuel gas data in blocks, and then transmit the data to the blockchain network 4 according to a set frequency, so as to realize a data storage function.

The storage module 32 is in communication connection with the blockchain network 4, and transmits various fuel gas data uplink block identifications returned by the blockchain network 4 to the storage module 32 for storage.

The analysis module 33 is configured to analyze the gas data in the storage module 32, remove abnormal gas data values, check and correct unreasonable data, and aggregate the checked correct gas data according to data types such as gas flow, temperature, pressure, and methane concentration in a preset time.

Meanwhile, the analysis module 33 is also used for recording the gas data processing process and transmitting the gas data processing process to the processing module 31 to calculate a data summary for uplink.

Optionally, the processing module 31 may be further connected to the blockchain network 4 in a communication manner, where the processing module 31 is configured to calculate a data summary of the gas data processing process, and package the data summary for gas data verification.

Optionally, the response module 34 is communicatively connected to the analysis module 33, and may exchange gas data for responding to the data request from the client 5.

The response module 34 may call the gas data stored in the storage module 32 through the analysis module 33, and send the processed gas data to the response module 34, and then the response module 34 sends the processed gas data to the client 5.

When the client 5 issues a ambiguity to the gas data obtained from the gas data processing device 3, the processing module 31 can call the gas data block identifier in the storage module 32, and the data summary of the ambiguous gas data is confirmed through the condition identifier.

At the same time, the processing module 31 calculates the dispute data summaries and compares the two summaries. If the data is consistent, the data sent to the user of the client 5 is not tampered, and the data is true and reliable. The processing data transmits the comparison result to the security module 35, and the security module 35 sends back the fuel gas data result finally judged by the user of the client 5.

In one implementation, as shown in fig. 5, the blockchain network 4 includes: firewall 41, switch 42, blockchain node server 43, blockchain as-a-service BaaS server 44, cloud storage server 45, and distributed file system 46.

The firewall 41 is communicatively coupled to the switch 42.

The switch 42 is communicatively coupled to a blockchain point server 43 (e.g., a sawkey blockchain node), a BaaS server 44, and a cloud storage server 45, respectively.

Cloud storage server 45 is communicatively coupled to distributed file system 46.

Specifically, the blockchain network 4 is used to receive and store the gas data to be linked up and the data during the data processing operation.

The blockchain network 4 is communicatively connected to the gas data processing device 3. The blockchain network 4 includes a firewall 41, a switch 42, a sawkey blockchain node server 43, a BaaS server 44, a cloud storage server 45, and a distributed file system 46.

The firewall 41, the switch 42, the Sawtooth blockchain node server 43, the BaaS server 44 and the cloud storage server 45 are connected to the switch 42 through a network, are in the same local area network, and the cloud storage server 45 is connected with the distributed file system 46 through a network.

The gas data processing device 3 transmits the gas data requiring the uplink to the firewall 41, the firewall 41 transmits the uplink gas data to the Sawtooth blockchain node server 43, the BaaS server 44 and the cloud storage server 45 via the switch 42, and the cloud storage server 45 transmits the uplink gas data to the distributed file system 46 to provide fault tolerance capability, and if a certain node fails, other nodes can continue to provide services.

Optionally, the firewall 41 has functions of centralized security management, protecting network service resources and data resources, network access control, and the like, and is used for realizing functions of network security and load balancing. The gas data processing apparatus 3 transmits the gas data requiring the uplink to the firewall 41, and the firewall 41 transmits the uplink gas data to the switch 42.

Optionally, the switch 42 is a network connection device, and is connected with the firewall 41, the switch 42, the Sawtooth blockchain node server 43, the BaaS server 44 and the cloud storage server 45 in a network manner, so that data interaction between the devices is realized.

Optionally, the sawtotal blockchain node server 43 is used for realizing a blockchain accounting core function, storing gas data, uniformly managing the identity of the uplink equipment, verifying the identity of the uplink equipment, and the like.

Optionally, there are multiple Sawtooth nodes in the blockchain Network 4 (e.g., node 1, node 2, node 3, node 4, and node n shown in fig. 5), each having a Sawtooth Network.

Optionally, each node has the same validator, transaction processor, consensus engine and REST API, and each node can connect to the client 5 in a pluggable manner. Development based on Hyperledger Sawtooth requires that a transaction family be built by defining the transaction logic of the transaction processor, the transaction logic of the client 5, and the data model to fulfill a particular business requirement.

Hyperledger Sawtooth is a blockchain framework that utilizes a modular platform to build, deploy and run a distributed ledger, providing a high degree of confidentiality, resilience, flexibility and extensibility. Since the gas bureau needs to encrypt and protect the gas data, the present application is implemented in the blockchain network 4 using the Hyperledger Sawtooth blockchain framework.

Optionally, baaS server 44 is used for blockchain creation and management, intelligent contract full lifecycle management, operation and maintenance monitoring, and external access interface providing functions. The method can be constructed on a blockchain architecture of an open source or a closed source, and core technologies supporting the bottom layer of the blockchain such as a pluggable consensus mechanism, a distributed ledger memory mechanism, a multi-language supported intelligent contract engine, cross-chain interaction, a security privacy protection mechanism and the like. The block chain service is used for data uplink and guaranteeing continuous and stable operation of the service. The user completes the uplink preparation of the application through the system service visualization and completes the uplink through integrating the block chain bottom layer SDK in the application engineering.

Optionally, the cloud storage server 45 is configured to store the uplink gas data and related files.

Optionally, the distributed file system 46 is configured to distribute the gas data and related files stored in the cloud storage server 45 to the nodes, so as to provide fault tolerance, and if one node fails, the other nodes can continue to provide services. In addition, DFS may also provide data integrity and security to ensure consistency of data.

In one implementation, as shown in fig. 6, the client 5 includes an application layer 51 and a platform layer 52.

The application layer 51 is used to display gas data in the gas usage device.

The platform layer 52 is used to display gas data in the gas management device.

Specifically, the client 5 faces the user and is configured to receive and display the gas data issued by the gas data processing device 3. The gas usage devices of the application layer 51 include gas usage devices in environments such as an enterprise station, a gas station, a supply station, a gas management department, and the like. Depending on the powerful data processing function of the gas data processing device 3 and the reliable safety of the blockchain network 4, various gas supervision platforms can be docked, including a gas safety informatization management platform, a gas industry supervision information platform, an enterprise, a gas supervision organization and the like (i.e. a gas management device).

The utility model provides a data management system based on a blockchain, which solves the problem that the existing data is easy to lose and tamper, and specifically comprises a gas data acquisition device 1, a gas data encryption device 2, a gas data processing device 3, a blockchain network 4 and a client 5.

The fuel gas data acquisition device 1 is in communication connection with the fuel gas data encryption device 2, the fuel gas data encryption device 2 is in communication connection with the fuel gas data processing device 3, and the fuel gas data processing device 3 is in communication connection with the blockchain network 4 and the client 5.

The gas data encryption device 2 is used for converting received original gas data into gas data abstract and transmitting the gas data abstract to the blockchain network 4 for uplink, and meanwhile, the original gas data is signed and encrypted and then sent to the gas data processing device 3.

The gas data processing device 3 is used for decrypting and authenticating the signature encrypted data, further processing the gas data and then sending the gas data to the client 5, and simultaneously sending the process data for further processing the gas data to the blockchain network 4 for uplink.

By utilizing the characteristics of safety, non-tamper property, transparency, openness, decentralization and the like of the block chain, the loss or tampering of the gas data is avoided, meanwhile, the modification record of the gas data is also completely recorded, the malicious tampering is avoided, and the accuracy, the real-time performance and the integrity of the gas data are ensured.

In the description of the embodiments of the present application, a particular feature, structure, material, or characteristic may be combined in any one or more embodiments or examples in a suitable manner.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The data management system is characterized by comprising a fuel gas data acquisition device, a fuel gas data encryption device, a fuel gas data processing device and a blockchain network which are sequentially connected in a communication mode;

the gas data encryption device includes: the system comprises a power module, an Internet of things wireless data collector, a communication protocol module, an encryption module and a wireless communication module;

the wireless data collector of the Internet of things is also in communication connection with the communication protocol module through an RS485 interface; the model of the wireless data collector of the Internet of things is F2114 GPRSDTU, and the wireless data collector is used for receiving the gas data collected by the gas data collecting equipment;

the wireless communication module is also in communication connection with the fuel gas data processing equipment; the wireless communication module is used for sending the encrypted gas data to the gas data processing equipment;

the gas data processing apparatus includes: the system comprises a processing module, a storage module, an analysis module, a response module and a safety module;

the response module is in communication connection with the analysis module;

the safety module is respectively in communication connection with the analysis module and the processing module;

the chip model of the processing module is RJGT102 series chip or RJMU401 series chip;

the analysis module is a microprocessor MPU unit;

the chip model of the response module is an e5551 transponder chip;

the chip model of the security module is any one of LM324, LM358 and uA 741.

2. The data management system of claim 1, further comprising: a client; the client is in communication connection with the fuel gas data processing equipment; the client is also in communication connection with the response module.

3. The data management system of claim 1, wherein the gas data comprises: the method comprises the steps of detecting gas flow in a gas environment to be detected, methane content of the gas environment to be detected, ambient temperature of the gas environment to be detected and ambient pressure of the gas environment to be detected;

the gas data acquisition device comprises: a gas flowmeter, a methane determinator, a temperature transmitter and a pressure transmitter;

4. A data management system according to any one of claims 1 to 3, wherein,

the blockchain network includes: firewall, switch, blockchain node server, baaS server, cloud storage server and distributed file system;

the firewall is in communication connection with the switch;

the switch is respectively in communication connection with the blockchain node server, the BaaS server and the cloud storage server;

5. The data management system of claim 2, wherein the client comprises an application layer and a platform layer;