CN114513360B - Operation and maintenance state supervision method for longitudinal encryption - Google Patents
Operation and maintenance state supervision method for longitudinal encryption Download PDFInfo
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- CN114513360B CN114513360B CN202210141316.7A CN202210141316A CN114513360B CN 114513360 B CN114513360 B CN 114513360B CN 202210141316 A CN202210141316 A CN 202210141316A CN 114513360 B CN114513360 B CN 114513360B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
Abstract
The invention discloses a longitudinal encryption operation and maintenance state supervision method, and relates to the field of power informatization. The adoption of the Internet for transmitting data has potential safety hazards. The method comprises the following steps: the method comprises the steps that an Internet of things sensor obtains working state data of power generation equipment; the sensor of the Internet of things sends the working state data to a miniature longitudinal encryption southward device; the micro longitudinal encryption south device encapsulates and encrypts data, and sends the data to the micro longitudinal encryption north device through a special security network or an open internet; after receiving the data, the micro longitudinal encryption north device decrypts and analyzes the data; and analyzing the completed data and sending the analyzed data to a terminal equipment running state supervision platform. The technical scheme can adopt a special safety network for data transmission, can adopt an open internet for data transmission, has wide application range, reduces the difficulty of networking, solves the safety communication problem of monitoring management of remote power generation equipment, and also gives consideration to communication cost.
Description
Technical Field
The invention relates to the field of power informatization, in particular to a longitudinal encryption operation and maintenance state supervision method.
Background
Generators (Generators) refer to mechanical devices that convert other forms of energy into electrical energy, which are driven by water turbines, steam turbines, diesel engines, or other power machines, to convert energy generated by water currents, gas flows, fuel combustion, or nuclear fission into mechanical energy that is transmitted to a generator, which is then converted into electrical energy by the generator.
The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The form of the generator is many, but the working principle of the generator is based on the law of electromagnetic induction and the law of electromagnetic force. The general principle of its construction is therefore: the magnetic circuit and the circuit which mutually perform electromagnetic induction are formed by proper magnetic conduction and electric conduction materials so as to generate electromagnetic power and achieve the purpose of energy conversion.
At present, a great number of power generation equipment exist, because the working place is remote, the equipment has realized automatic work, and an unattended automatic working mode is adopted based on the aspect of saving cost. For the working states of the devices, the management department has difficulty in grasping the working states in real time, the efficiency is quite low if the working states are inspected by personnel, and the devices are damaged or even destroyed in a few hours if the devices are abnormal. Therefore, for these devices, an instruction interface for remote shutdown is also provided exclusively for emergency management by the management department. However, since the electric power equipment is required to be in a highly safe state as a national infrastructure and the cost for installing a secure communication line is extremely high due to the geographical location of the place, it is necessary to use the existing mobile internet (3G, 4G, 5G) and wired broadband internet.
However, the internet has great potential safety hazard, and the leakage of communication data can lead to the attack and clamping of illegal molecules on the equipment, so that the safety problem of the communication management of the power generation equipment is solved, and the method is an important guarantee for ensuring the stable operation of the power generation equipment.
Disclosure of Invention
The technical problem to be solved and the technical task to be put forward in the invention are to perfect and improve the prior art scheme, and a longitudinal encryption operation and maintenance state supervision method is provided to solve the safety communication problem of monitoring and management of remote power generation equipment. For this purpose, the present invention adopts the following technical scheme.
A method for supervising the operation and maintenance state of longitudinal encryption comprises the following steps:
1) The method comprises the steps of preparing, connecting an Internet of things sensor with corresponding power generation equipment, and connecting the Internet of things sensor with a miniature longitudinal encryption southward device through a data line; the miniature longitudinal encryption south device is in communication connection with the miniature longitudinal encryption north device; the miniature longitudinal encryption north-oriented device is in communication connection with a terminal equipment running state supervision platform in a wired or wireless mode; when the miniature longitudinal encryption south-oriented device is under the condition of no special safety network, the miniature longitudinal encryption north-oriented device is in communication connection with the miniature longitudinal encryption north-oriented device through a mobile internet and/or a wired broadband internet;
2) The method comprises the steps that an Internet of things sensor obtains working state data of power generation equipment, wherein the working state data comprise an operating state, power generation power, power generation voltage, power generation current and accumulated net surfing number;
3) The sensor of the Internet of things sends the working state data and the identification information of the generator to the miniature longitudinal encryption southward device through a data line; the identification information of the generator comprises equipment numbers, equipment names and equipment models;
4) After receiving data, the micro longitudinal encryption south device encapsulates the data and encrypts the data, and then sends the data to the micro longitudinal encryption north device through a special security network or an open internet;
5) After receiving the data, the micro longitudinal encryption north device decrypts and analyzes the data;
6) Analyzing the completed data and sending the analyzed data to a terminal equipment running state supervision platform;
7) The terminal equipment operation state supervision platform receives the operation data from the miniature longitudinal encryption north-oriented device, updates the operation states of all the supervised power generation equipment in real time, ensures that a management department can retrieve and master the operation states of all the supervised power generation equipment in time, finds the change of the operation state data of the abnormal power generation equipment in time, and repeats the steps 2) -7) to realize the remote supervision of the power generation unit;
8) When the micro longitudinal encryption north-oriented device does not receive the data sent by the micro longitudinal encryption south-oriented device within a set time range, after a communication channel connected with the micro longitudinal encryption south-oriented device is switched, a request for acquiring the data is sent to the micro longitudinal encryption south-oriented device; returning to the step 5) when the micro longitudinal encryption north device receives the micro longitudinal encryption south device to send data information in the waiting set time, and then transmitting the data through a new communication path; if the miniature longitudinal encryption north-oriented device still does not acquire data information, continuing to switch the communication paths, waiting for data until all the communication paths are switched, and informing the terminal equipment that the operation state supervision platform requires maintenance equipment when no data is uploaded.
The technical scheme is convenient to operate and reliable in work, solves the problem of safe communication of monitoring management of remote power generation equipment, simplifies networking difficulty, and provides an effective solution for management safety of the power generation equipment. And the transformation cost is low, only the longitudinal encryption southbound device and the longitudinal encryption northbound device are required to be additionally arranged on the basis of the original equipment, the safety communication problem of monitoring and management of remote power generation equipment is solved, and the safety of data transmission is improved. The longitudinal encryption south-oriented device is close to the power generation equipment, the longitudinal encryption north-oriented device is close to the terminal equipment running state supervision platform, remote data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device does not depend on a special safety special network any more, and data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device can be carried out by utilizing the existing mobile Internet (3G, 4G and 5G) and the wired broadband Internet, so that the communication cost is effectively reduced.
The special safety network is a special communication network built by the owner, so that all communication can be ensured to be safe and reliable, and the special safety network cannot be attacked and threatened by lawbreakers. The open internet refers to an externally established public communication network, cannot ensure the safety and reliability of communication, and can be attacked and threatened by hidden and unknown lawless persons. The technical scheme can not only adopt a special safety network to carry out data transmission, but also adopt an open internet to carry out data transmission, has wide application range and reduces the difficulty of networking, better solves the safety communication problem of monitoring management of remote power generation equipment, and also considers the communication cost.
As a preferable technical means: the miniature longitudinal encryption south device comprises: 485 protocol conversion module, serial port protocol conversion module, modbus protocol conversion module, data protocol southward encapsulation analysis module, hardware southward encryption and decryption module; the 485 protocol conversion module is responsible for receiving reported data according to 485 protocol specifications and converting the reported data into standard communication protocols of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the serial port protocol conversion module is responsible for receiving reported data according to serial port protocol specifications and converting the data into a standard communication protocol of the micro longitudinal encryption southbound device and the micro longitudinal encryption northbound device; the Modbus protocol conversion module is responsible for receiving reported data according to Modbus protocol specifications and converting the data into a standard communication protocol of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the data protocol southbound packaging analysis module is responsible for converting the data into standard communication protocol, and packaging the data for transmitting from the miniature longitudinal encryption southbound device to the miniature longitudinal encryption northbound device; and the hardware southbound encryption and decryption module is responsible for encrypting data of a standard communication protocol and is used for transmitting the southbound device with the miniature longitudinal encryption to the northbound device with the miniature longitudinal encryption. Because different power generation equipment is provided with different interfaces, a plurality of sensors of the Internet of things are needed to respectively acquire operation data of wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment. And the internet of things sensor may adopt different internet of things data transmission protocols due to different manufacturers, and also needs to adopt a plurality of different interfaces so as to meet the condition that a plurality of power generation devices are accessed at the same time, for example: wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment, wherein a plurality of equipment can be connected to the same type of power generation equipment at the same time; the longitudinal encryption southbound device is provided with various interfaces to be connected with the corresponding sensors of the internet of things, so that the application range is improved, the connection requirements of different sensors of the internet of things are met, and the connection convenience is improved; the longitudinal encryption southbound device is provided with a 485 communication interface, a serial interface and a modbus interface, meets the use requirement, better realizes the data acquisition of equipment, is convenient to use, does not need to increase a peripheral interface, and improves the safety and stability of work.
As a preferable technical means: the miniature longitudinal encryption north-oriented device comprises a hardware north-oriented encryption and decryption module and a data protocol north-oriented encapsulation analysis module; the hardware north encryption and decryption module is used for decrypting the received data from the micro longitudinal encryption south device and delivering the decrypted data to the data protocol north encapsulation analysis module; and the data protocol northbound encapsulation analysis module analyzes the decrypted data according to the standard protocol specification to obtain the operation data of the available power generation equipment. The miniature longitudinal encryption north-oriented device can be connected with a terminal equipment operation state supervision platform through a data line.
As a preferable technical means: the power generation equipment comprises wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment.
The beneficial effects are that: the technical scheme is convenient to operate and reliable in work, solves the problem of safe communication of monitoring management of remote power generation equipment, reduces the difficulty of simplifying networking, and provides an effective solution for the management safety of the power generation equipment. And the transformation cost is low, only the longitudinal encryption southbound device and the longitudinal encryption northbound device are required to be additionally arranged on the basis of the original equipment, the safety communication problem of monitoring and management of remote power generation equipment is solved, and the safety of data transmission is improved. The longitudinal encryption south-oriented device is close to the power generation equipment, the longitudinal encryption north-oriented device is close to the terminal equipment running state supervision platform, remote data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device does not depend on a special safety special network any more, and the existing mobile Internet (3G, 4G and 5G) and wired broadband Internet can be utilized for data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device, so that communication cost is effectively reduced; the method can adopt a special safety network or an open internet, further simplify networking difficulty, improve operation simplicity, and can directly replace the open internet once the special safety network fails, thereby avoiding data loss and being beneficial to improving working stability.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the attached drawings.
As shown in fig. 1, a method for supervising a longitudinally encrypted operation and maintenance state includes the following steps:
1) The method comprises the steps of preparing, connecting an Internet of things sensor with corresponding power generation equipment, and connecting the Internet of things sensor with a miniature longitudinal encryption southward device through a data line; the miniature longitudinal encryption south device is in communication connection with the miniature longitudinal encryption north device; the miniature longitudinal encryption north-oriented device is in communication connection with a terminal equipment running state supervision platform in a wired or wireless mode; when the miniature longitudinal encryption south-oriented device is under the condition of no special safety network, the miniature longitudinal encryption north-oriented device is in communication connection with the miniature longitudinal encryption north-oriented device through a mobile internet and/or a wired broadband internet;
2) The method comprises the steps that an Internet of things sensor obtains working state data of power generation equipment, wherein the working state data comprise an operating state, power generation power, power generation voltage, power generation current and accumulated net surfing number;
3) The sensor of the Internet of things sends the working state data and the identification information of the generator to the miniature longitudinal encryption southward device through a data line; the identification information of the generator comprises equipment numbers, equipment names and equipment models;
4) After receiving data, the micro longitudinal encryption south device encapsulates the data and encrypts the data, and then sends the data to the micro longitudinal encryption north device through a special security network or an open internet;
5) After receiving the data, the micro longitudinal encryption north device decrypts and analyzes the data;
6) Analyzing the completed data and sending the analyzed data to a terminal equipment running state supervision platform;
7) The terminal equipment operation state supervision platform receives the operation data from the miniature longitudinal encryption north-oriented device, updates the operation states of all the supervised power generation equipment in real time, ensures that a management department can retrieve and master the operation states of all the supervised power generation equipment in time, finds the change of the operation state data of the abnormal power generation equipment in time, and repeats the steps 2) -7) to realize the remote supervision of the power generation unit;
8) When the micro longitudinal encryption north-oriented device does not receive the data sent by the micro longitudinal encryption south-oriented device within a set time range, after a communication channel connected with the micro longitudinal encryption south-oriented device is switched, a request for acquiring the data is sent to the micro longitudinal encryption south-oriented device; returning to the step 5) when the micro longitudinal encryption north device receives the micro longitudinal encryption south device to send data information in the waiting set time, and then transmitting the data through a new communication path; if the miniature longitudinal encryption north-oriented device still does not acquire data information, continuing to switch the communication paths, waiting for data until all the communication paths are switched, and informing the terminal equipment that the operation state supervision platform requires maintenance equipment when no data is uploaded.
The technical scheme is convenient to operate and reliable in work, solves the problem of safe communication of monitoring management of remote power generation equipment, simplifies networking difficulty, and provides an effective solution for management safety of the power generation equipment. And the transformation cost is low, only the longitudinal encryption southbound device and the longitudinal encryption northbound device are required to be additionally arranged on the basis of the original equipment, the safety communication problem of monitoring and management of remote power generation equipment is solved, and the safety of data transmission is improved. The longitudinal encryption south-oriented device is close to the power generation equipment, the longitudinal encryption north-oriented device is close to the terminal equipment running state supervision platform, remote data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device does not depend on a special safety special network any more, and data transmission between the longitudinal encryption south-oriented device and the longitudinal encryption north-oriented device can be carried out by utilizing the existing mobile Internet (3G, 4G and 5G) and the wired broadband Internet, so that the communication cost is effectively reduced.
The special safety network is a special communication network built by the owner, so that all communication can be ensured to be safe and reliable, and the special safety network cannot be attacked and threatened by lawbreakers. The open internet refers to an externally established public communication network, cannot ensure the safety and reliability of communication, and can be attacked and threatened by hidden and unknown lawless persons. The technical scheme can not only adopt a special safety network to carry out data transmission, but also adopt an open internet to carry out data transmission, has wide application range and reduces the difficulty of networking, better solves the safety communication problem of monitoring management of remote power generation equipment, and also considers the communication cost.
Wherein, miniature vertical encryption south device includes: 485 protocol conversion module, serial port protocol conversion module, modbus protocol conversion module, data protocol southward encapsulation analysis module, hardware southward encryption and decryption module; the 485 protocol conversion module is responsible for receiving reported data according to 485 protocol specifications and converting the reported data into standard communication protocols of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the serial port protocol conversion module is responsible for receiving reported data according to serial port protocol specifications and converting the data into a standard communication protocol of the micro longitudinal encryption southbound device and the micro longitudinal encryption northbound device; the Modbus protocol conversion module is responsible for receiving reported data according to Modbus protocol specifications and converting the data into a standard communication protocol of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the data protocol southbound packaging analysis module is responsible for converting the data into standard communication protocol, and packaging the data for transmitting from the miniature longitudinal encryption southbound device to the miniature longitudinal encryption northbound device; and the hardware southbound encryption and decryption module is responsible for encrypting data of a standard communication protocol and is used for transmitting the southbound device with the miniature longitudinal encryption to the northbound device with the miniature longitudinal encryption. Because different power generation equipment is provided with different interfaces, a plurality of sensors of the Internet of things are needed to respectively acquire operation data of wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment. And the internet of things sensor may adopt different internet of things data transmission protocols due to different manufacturers, and also needs to adopt a plurality of different interfaces so as to meet the condition that a plurality of power generation devices are accessed at the same time, for example: wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment, wherein a plurality of equipment can be connected to the same type of power generation equipment at the same time; the longitudinal encryption southbound device is provided with various interfaces to be connected with the corresponding sensors of the internet of things, so that the application range is improved, the connection requirements of different sensors of the internet of things are met, and the connection convenience is improved; the longitudinal encryption southbound device is provided with a 485 communication interface, a serial interface and a modbus interface, meets the use requirement, better realizes the data acquisition of equipment, is convenient to use, does not need to increase a peripheral interface, and improves the safety and stability of work.
The miniature longitudinal encryption north-oriented device comprises a hardware north-oriented encryption and decryption module and a data protocol north-oriented encapsulation analysis module; the hardware north encryption and decryption module is used for decrypting the received data from the micro longitudinal encryption south device and delivering the decrypted data to the data protocol north encapsulation analysis module; and the data protocol northbound encapsulation analysis module analyzes the decrypted data according to the standard protocol specification to obtain the operation data of the available power generation equipment. The miniature longitudinal encryption north-oriented device can be connected with a terminal equipment operation state supervision platform through a data line.
In the present embodiment, the power generation devices include a wind power generation device, a solar power generation device, a hydro power generation device, and a thermal power generation device.
The method is convenient to operate and reliable in work, solves the problem of safe communication of monitoring and management of remote power generation equipment, effectively reduces the difficulty of simplifying networking, and provides an effective solution for the management safety of the power generation equipment. The method can be used for not only adopting a special safety network, but also adopting an open internet, thereby further simplifying the networking difficulty and improving the working stability.
The above method for monitoring the operation and maintenance state of longitudinal encryption shown in fig. 1 is a specific embodiment of the present invention, has already demonstrated the essential features and improvements of the present invention, and can be modified in terms of shape, structure, etc. according to the actual use needs, under the teaching of the present invention, all of which are within the scope of protection of the present invention.
Claims (5)
1. The operation and maintenance state supervision method for longitudinal encryption is characterized by comprising the following steps of:
1) The method comprises the steps of preparing, connecting an Internet of things sensor with corresponding power generation equipment, and connecting the Internet of things sensor with a miniature longitudinal encryption southward device through a data line; the miniature longitudinal encryption south device is in communication connection with the miniature longitudinal encryption north device; the miniature longitudinal encryption north-oriented device is in communication connection with a terminal equipment running state supervision platform in a wired or wireless mode; when the miniature longitudinal encryption south-oriented device is under the condition of no special safety network, the miniature longitudinal encryption north-oriented device is in communication connection with the miniature longitudinal encryption north-oriented device through a mobile internet and/or a wired broadband internet;
2) The method comprises the steps that an Internet of things sensor obtains working state data of power generation equipment, wherein the working state data comprise an operating state, power generation power, power generation voltage, power generation current and accumulated net surfing number;
3) The sensor of the Internet of things sends the working state data and the identification information of the generator to the miniature longitudinal encryption southward device through a data line; the identification information of the generator comprises equipment numbers, equipment names and equipment models;
4) After receiving data, the micro longitudinal encryption south device encapsulates the data and encrypts the data, and then sends the data to the micro longitudinal encryption north device through a special security network or an open internet;
5) After receiving the data, the micro longitudinal encryption north device decrypts and analyzes the data;
6) Analyzing the completed data and sending the analyzed data to a terminal equipment running state supervision platform;
7) The terminal equipment operation state supervision platform receives the operation data from the miniature longitudinal encryption north-oriented device, updates the operation states of all the supervised power generation equipment in real time, ensures that a management department can retrieve and master the operation states of all the supervised power generation equipment in time, finds the change of the operation state data of the abnormal power generation equipment in time, and repeats the steps 2) -7) to realize the remote supervision of the power generation unit;
8) When the micro longitudinal encryption north-oriented device does not receive the data sent by the micro longitudinal encryption south-oriented device within a set time range, after a communication channel connected with the micro longitudinal encryption south-oriented device is switched, a request for acquiring the data is sent to the micro longitudinal encryption south-oriented device; returning to the step 5) when the micro longitudinal encryption north device receives the micro longitudinal encryption south device to send data information in the waiting set time, and then transmitting the data through a new communication path; if the miniature longitudinal encryption north-oriented device still does not acquire data information, continuing to switch the communication paths, waiting for data until all the communication paths are switched, and informing the terminal equipment that the operation state supervision platform requires maintenance equipment when no data is uploaded.
2. The method for supervising the operation and maintenance state of longitudinal encryption according to claim 1, wherein: the miniature longitudinal encryption south device comprises: 485 protocol conversion module, serial port protocol conversion module, modbus protocol conversion module, data protocol southward encapsulation analysis module, hardware southward encryption and decryption module; the 485 protocol conversion module is responsible for receiving reported data according to 485 protocol specifications and converting the reported data into standard communication protocols of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the serial port protocol conversion module is responsible for receiving reported data according to serial port protocol specifications and converting the data into a standard communication protocol of the micro longitudinal encryption southbound device and the micro longitudinal encryption northbound device; the Modbus protocol conversion module is responsible for receiving reported data according to Modbus protocol specifications and converting the data into a standard communication protocol of the miniature longitudinal encryption southbound device and the miniature longitudinal encryption northbound device; the data protocol southbound packaging analysis module is responsible for converting the data into standard communication protocol, and packaging the data for transmitting from the miniature longitudinal encryption southbound device to the miniature longitudinal encryption northbound device; and the hardware southbound encryption and decryption module is responsible for encrypting data of a standard communication protocol and is used for transmitting the southbound device with the miniature longitudinal encryption to the northbound device with the miniature longitudinal encryption.
3. The method for supervising the operation and maintenance state of longitudinal encryption according to claim 2, wherein: the miniature longitudinal encryption north-oriented device comprises a hardware north-oriented encryption and decryption module and a data protocol north-oriented encapsulation analysis module; the hardware north encryption and decryption module is used for decrypting the received data from the micro longitudinal encryption south device and delivering the decrypted data to the data protocol north encapsulation analysis module; and the data protocol northbound encapsulation analysis module analyzes the decrypted data according to the standard protocol specification to obtain the operation data of the available power generation equipment.
4. A method of operation and maintenance state supervision for longitudinal encryption according to claim 3, wherein: the longitudinal encryption southbound device is provided with a 485 communication interface, a serial interface and a modbus interface, and the 485 communication interface is connected with a 485 protocol conversion module; the serial interface is connected with the serial port protocol conversion module; the Modbus interface is connected with the Modbus protocol conversion module.
5. The method for supervising the operation and maintenance state of longitudinal encryption according to claim 1, wherein: the power generation equipment comprises wind power generation equipment, solar power generation equipment, hydroelectric power generation equipment and thermal power generation equipment.
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