CN114123487B - Distributed power supply online centralized monitoring system and method based on electric power Internet of things - Google Patents
Distributed power supply online centralized monitoring system and method based on electric power Internet of things Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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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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- 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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
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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 utility model discloses a distributed power supply on-line centralized monitoring system and method based on the electric power internet of things, comprising the following steps: the system comprises a local online monitoring device, an encryption terminal, a network monitoring acquisition terminal and a centralized monitoring informationized management platform which are sequentially connected; the local online monitoring device collects data of the UPS host; the encryption terminal encrypts the information acquired by the local online monitoring device; the network monitoring acquisition terminal transmits the encrypted data to the centralized monitoring informatization management platform; and the centralized monitoring informatization management platform decrypts, analyzes, manages and displays the collected data of the UPS host. The scheme is that the distributed UPS power supply is subjected to centralized control, an information security encryption and decryption technology is adopted, a special network channel aiming at the UPS power supply is designed, the independence of information transmission is ensured, and the blocking and the interference of the information are avoided; and secondly, a random key is generated to encrypt and decrypt the acquired information by adopting a cryptography principle, so that the safety and reliability of information transmission are ensured.
Description
Technical Field
The utility model relates to the technical field of distributed power supply monitoring, in particular to a distributed power supply online centralized monitoring system and method based on the electric power Internet of things.
Background
The electric power Internet of things is an application of the Internet of things in the smart grid, is a result of development of information communication technology to a certain stage, effectively integrates communication infrastructure resources and electric power system infrastructure resources, improves informatization level of the electric power system, improves utilization efficiency of the existing infrastructure of the electric power system, and provides important technical support for links such as power grid generation, power transmission, power transformation, power distribution and power consumption. The UPS (Uninterruptible Power Supply) is an uninterruptible power supply with an energy storage device. The UPS is mainly used for providing uninterrupted power for equipment with higher requirements on power stability. Because the UPS hosts are distributed and scattered, a centralized control system needs to be established to perform unified and centralized monitoring on the UPS hosts scattered in a plurality of areas, however, the collected information occurs in the condition of congestion, loss or tampering in the transmission process.
The Chinese patent document with publication number of CN209119895U discloses a UPS power centralized monitoring system, which comprises at least one UPS monitoring module, a monitoring station machine and a monitoring center; each UPS monitoring module is connected with at least one UPS power supply to acquire monitoring information of the UPS power supply and preprocess the monitoring information, wherein the monitoring information comprises state information, analog quantity information and alarm information; each UPS monitoring module is connected with the monitoring station machine so as to report the preprocessed monitoring information to the monitoring station machine; the monitoring station is in communication connection with the monitoring center, generates early warning information according to the state information and the analog quantity information, and sends alarm information or early warning information to the monitoring center. The scheme can carry out centralized monitoring on the distributed UPS power supply, but the situation of information congestion, loss or tampering can be faced.
Disclosure of Invention
The utility model aims to provide a distributed power supply online centralized monitoring system and method based on the electric power Internet of things, wherein a special network channel aiming at the UPS power supply is designed through centralized control over the distributed UPS power supply and an information security encryption and decryption technology, so that the independence of information transmission is ensured, and the blocking and interference of information are avoided; and secondly, a random key is generated to encrypt and decrypt the acquired information by adopting a cryptography principle, so that the safety and reliability of information transmission are ensured.
In order to achieve the technical purpose, the technical scheme provided by the utility model is that the distributed power supply on-line centralized monitoring system and method based on the electric power internet of things comprise the following steps: the system comprises a local online monitoring device, an encryption terminal, a network monitoring acquisition terminal and a centralized monitoring informationized management platform which are sequentially connected;
the local online monitoring device collects data of the UPS host;
the encryption terminal encrypts information acquired by the local online monitoring device;
the network monitoring acquisition terminal transmits the encrypted data to a centralized monitoring informationized management platform;
and the centralized monitoring informationized management platform decrypts, analyzes, manages and displays the collected data of the UPS host.
In this scheme, UPS host computer, local on-line monitoring device, encrypt terminal, network monitoring acquisition terminal and centralized monitoring informatization management platform establish the connection in proper order, wherein, encrypt the terminal and receive the secret key that centralized monitoring informatization management platform sent and encrypt the information that gathers, guaranteed information transmission's fail safe nature, be provided with the private network channel to the UPS power in the centralized monitoring informatization management platform, through establishing communication connection with network monitoring acquisition terminal, guarantee information transmission's independence, avoided the jam and the interference of information.
Preferably, the local on-line monitoring device collects real-time data of the UPS host through a communication output interface of the UPS host; the collected data of the UPS host is transmitted to the centralized monitoring informationized management platform through an Ethernet port of the network monitoring collection terminal.
Preferably, the centralized monitoring informationized management platform is provided with a power address management library, a random number generator, a network address distributor and a decryption module, wherein the power address management library is stored with ID information of a corresponding power source, the random number generator generates a corresponding binary random number according to the ID information of the power source, the binary random number is used as an encryption key for collecting information, the decryption module decrypts the encrypted collecting information, the network address distributor distributes a special network channel according to the ID information of the power source, and the ID information, the binary random number and the special network channel of the corresponding power source are used as communication secret subunits of the corresponding power source to establish communication connection with the network monitoring collecting terminal.
Preferably, the UPS host, the local online monitoring device and the network monitoring acquisition terminal are arranged in groups of multiple groups.
Preferably, one or more groups of UPS hosts are arranged in each transformer substation, the UPS hosts and the network monitoring acquisition terminals are arranged in a one-to-one correspondence manner, and the network monitoring acquisition terminals are provided with independent network ports and channels, wherein the UPS hosts are used as ID information sources of power supplies.
Preferably, the collected data of the UPS host includes important parameters and running states of the UPS host; the important parameters include three-phase or single-phase voltage, current, and frequency.
A distributed power supply online centralized monitoring method based on the electric power Internet of things comprises the following steps:
step S1, establishing connection: the local on-line monitoring device is connected with an information acquisition end of the host to be detected, the network monitoring acquisition terminal is electrically connected with an information output end of the local on-line monitoring device, and the network monitoring acquisition terminal is in communication connection with the centralized monitoring informationized management platform;
step S2, information transmission: and the network monitoring acquisition terminal sends the information acquired by the local on-line monitoring device to the centralized monitoring informationized management platform for management, analysis and display.
Preferably, before executing step S1, the method further comprises the following steps:
according to the ID codes of the distributed hosts to be detected in the management domain, the centralized monitoring informationized management platform establishes a power address management library, and the ID codes of the distributed hosts to be detected are stored in the power address management library;
the random number generator generates a corresponding binary random number according to the ID information of the power supply, and the binary random number is used as an encryption key of parameter information and state information of the host to be detected;
the network address distributor distributes a special network channel according to the ID information of the power supply; and transmitting the parameter information and the state information of different hosts to be detected through a special network channel.
Preferably, step S2 includes passive transmission of information, and includes the following steps:
the local online monitoring device detects abnormal information of a host to be detected, triggers the network monitoring acquisition terminal to start an information transmission instruction, and the network monitoring acquisition terminal periodically transmits an abnormal information transmission request to the centralized monitoring informationized management platform, and after receiving the request, the centralized monitoring informationized management platform generates a group of binary random numbers through a random number generator and transmits the binary random numbers to the encryption terminal through a special network channel;
the encryption terminal performs exclusive or encryption on the obtained abnormal acquisition information blocks and then sends the abnormal acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information.
Preferably, step S2 further includes active information transmission, which includes the following steps:
the centralized monitoring informatization management platform sequentially acquires parameter information of a host to be detected according to a set time period;
when the set time arrives, starting a special network channel to start to execute the information transmission function; the random number generator sequentially generates a group of binary random numbers and sends the binary random numbers to the encryption terminal corresponding to the host end to be detected;
the encryption terminal performs exclusive or encryption on the acquired acquisition information blocks and then sends the acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information.
The utility model has the beneficial effects that: the utility model provides a distributed power supply on-line centralized monitoring system and a method based on the electric power Internet of things, which are characterized in that a special network channel for the UPS is designed through centralized control over the distributed UPS and an information security encryption and decryption technology, so that the independence of information transmission is ensured, and the blocking and interference of information are avoided; secondly, a random key is generated to encrypt and decrypt the acquired information by adopting a cryptography principle, so that the safety and reliability of information transmission are ensured
Drawings
Fig. 1 is a schematic structural diagram of a distributed power supply online centralized monitoring system based on the electric power internet of things.
The figure indicates: the system comprises a 1-UPS host, a 2-local on-line monitoring device, a 3-encryption terminal, a 4-network monitoring acquisition terminal, a 5-centralized monitoring informationized management platform, a 51-power address management library, a 52-random number generator, a 53-network address distributor and a 54-decryption module.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples, it being understood that the detailed description herein is merely a preferred embodiment of the present utility model, which is intended to illustrate the present utility model, and not to limit the scope of the utility model, as all other embodiments obtained by those skilled in the art without making any inventive effort fall within the scope of the present utility model.
Examples: as shown in fig. 1, a structural schematic diagram of a distributed power supply online centralized monitoring system based on the electric power internet of things. Comprises the following steps: the local on-line monitoring device 2, the encryption terminal 3, the network monitoring acquisition terminal 4 and the centralized monitoring informationized management platform 5 are sequentially connected;
the local online monitoring device collects data of the UPS host 1;
the encryption terminal encrypts information acquired by the local online monitoring device;
the network monitoring acquisition terminal transmits the encrypted data to a centralized monitoring informationized management platform;
and the centralized monitoring informationized management platform decrypts, analyzes, manages and displays the collected data of the UPS host.
In this embodiment, the UPS host, the local on-line monitoring device, the encryption terminal, the network monitoring acquisition terminal and the centralized monitoring informationized management platform are sequentially connected, where the encryption terminal receives a secret key sent by the centralized monitoring informationized management platform to encrypt the acquired information, so that the safety and reliability of information transmission are ensured, and the centralized monitoring informationized management platform is provided with a dedicated network channel for the UPS power supply, and establishes communication connection with the network monitoring acquisition terminal to ensure the independence of information transmission and avoid blocking and interference of information.
The local online monitoring device collects real-time data of the UPS host through a communication output interface of the UPS host; the collected data of the UPS host is transmitted to the centralized monitoring informationized management platform through an Ethernet port of the network monitoring collection terminal.
The centralized monitoring informatization management platform is provided with a power address management library 51, a random number generator 52, a network address distributor 53 and a decryption module 54, wherein the power address management library stores ID information of a corresponding power source, the random number generator generates a corresponding binary random number according to the ID information of the power source, the binary random number is used as an encryption key for collecting information, the decryption module decrypts the encrypted collecting information, the network address distributor distributes a special network channel according to the ID information of the power source, and the ID information, the binary random number and the special network channel of the corresponding power source are used as communication secret subunits of the corresponding power source to establish communication connection with the network monitoring collecting terminal.
The UPS host, the local on-line monitoring device and the network monitoring acquisition terminal are arranged into a plurality of groups in a group manner; the UPS hosts can be single or multiple in the same physical space or multiple in different physical spaces, unified and centralized monitoring can be performed through a local online monitoring device, the local online monitoring device is deployed near the UPS hosts, and multiple UPS hosts can be simultaneously connected through an RS485 interface. The local on-line monitoring device is provided with an LCD screen, has the functions of inquiring historical events and historical data, can display the historical data and parameters of the local UPS host on the LCD screen, and can perform management operation and abnormal state alarm.
One or more groups of UPS hosts are arranged in each transformer substation, the UPS hosts and the network monitoring acquisition terminals are arranged in one-to-one correspondence, and the transformer substation is provided with independent network ports and channels, wherein the UPS hosts are used as ID information sources of power supplies.
The collected data of the UPS host comprise important parameters and running states of the UPS host; the important parameters include three-phase or single-phase voltage, current, and frequency.
A distributed power supply online centralized monitoring method based on the electric power Internet of things comprises the following steps:
step S1, establishing connection: the local on-line monitoring device is connected with an information acquisition end of the host to be detected, the network monitoring acquisition terminal is electrically connected with an information output end of the local on-line monitoring device, and the network monitoring acquisition terminal is in communication connection with the centralized monitoring informationized management platform;
step S2, information transmission: and the network monitoring acquisition terminal sends the information acquired by the local on-line monitoring device to the centralized monitoring informationized management platform for management, analysis and display.
Before executing step S1, the method further comprises the following steps:
according to the ID codes of the distributed hosts to be detected in the management domain, the centralized monitoring informationized management platform establishes a power address management library, and the ID codes of the distributed hosts to be detected are stored in the power address management library;
the random number generator generates a corresponding binary random number according to the ID information of the power supply, and the binary random number is used as an encryption key of parameter information and state information of the host to be detected;
the network address distributor distributes a special network channel according to the ID information of the power supply; and transmitting the parameter information and the state information of different hosts to be detected through a special network channel.
Step S2 comprises passive transmission of information, and comprises the following steps:
the local online monitoring device detects abnormal information of a host to be detected, triggers the network monitoring acquisition terminal to start an information transmission instruction, and the network monitoring acquisition terminal periodically transmits an abnormal information transmission request to the centralized monitoring informationized management platform, and after receiving the request, the centralized monitoring informationized management platform generates a group of binary random numbers through a random number generator and transmits the binary random numbers to the encryption terminal through a special network channel;
the encryption terminal performs exclusive or encryption on the obtained abnormal acquisition information blocks and then sends the abnormal acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information; when abnormal information is found, various alarm modes such as sound and light, mail, short message, telephone voice and the like are selected for alarm.
Step S2 also includes information active transmission, and the steps are as follows:
the centralized monitoring informatization management platform sequentially acquires parameter information of a host to be detected according to a set time period;
when the set time arrives, starting a special network channel to start to execute the information transmission function; the random number generator sequentially generates a group of binary random numbers and sends the binary random numbers to the encryption terminal corresponding to the host end to be detected;
the encryption terminal performs exclusive or encryption on the acquired acquisition information blocks and then sends the acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information.
Those skilled in the art will appreciate that the utility model provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the utility model can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
The above embodiments are preferred embodiments of the system and method for online centralized monitoring of a distributed power supply based on the electric power internet of things, and are not intended to limit the scope of the utility model, which includes but is not limited to the embodiments, and equivalent changes according to the shape and structure of the utility model are all within the scope of the utility model.
Claims (9)
1. Distributed power supply on-line centralized monitoring system based on electric power thing networking, its characterized in that including: the system comprises a local online monitoring device, an encryption terminal, a network monitoring acquisition terminal and a centralized monitoring informationized management platform which are sequentially connected;
the local online monitoring device collects data of the UPS host;
the encryption terminal encrypts information acquired by the local online monitoring device;
the network monitoring acquisition terminal transmits the encrypted data to a centralized monitoring informationized management platform;
the centralized monitoring informationized management platform decrypts, analyzes, manages and displays the collected data of the UPS host;
the centralized monitoring informationized management platform is provided with a power address management library, a random number generator, a network address distributor and a decryption module, wherein ID information of a corresponding power source is stored in the power address management library, the random number generator generates a corresponding binary random number according to the ID information of the power source, the binary random number is used as an encryption key of acquisition information, the decryption module decrypts the encrypted acquisition information, the network address distributor distributes a special network channel according to the ID information of the power source, and the corresponding ID information, the binary random number and the special network channel of the corresponding power source are used as communication secret subunits of the corresponding power source to establish communication connection with the network monitoring acquisition terminal.
2. The distributed power supply online centralized monitoring system based on the electric power internet of things according to claim 1, wherein the local online monitoring device collects real-time data of the UPS host through a communication output interface of the UPS host; the collected data of the UPS host is transmitted to the centralized monitoring informationized management platform through an Ethernet port of the network monitoring collection terminal.
3. The distributed power supply online centralized monitoring system based on the electric power internet of things according to claim 1, wherein the UPS host, the local online monitoring device and the network monitoring acquisition terminal are arranged in groups.
4. The distributed power supply online centralized monitoring system based on the electric power Internet of things according to claim 3, wherein one or more groups of UPS hosts are arranged in each transformer substation, the UPS hosts and the network monitoring acquisition terminals are arranged in one-to-one correspondence, and the distributed power supply online centralized monitoring system based on the electric power Internet of things is provided with independent network ports and channels, wherein the UPS hosts are used as ID information sources of power supplies.
5. The distributed power supply online centralized monitoring system based on the electric power internet of things according to claim 1, wherein the collected data of the UPS host includes important parameters and running states of the UPS host; the important parameters include three-phase or single-phase voltage, current, and frequency.
6. The online centralized monitoring method for the distributed power supply based on the electric power Internet of things is characterized by comprising the following steps of:
step S1, establishing connection: the local on-line monitoring device is connected with an information acquisition end of the host to be detected, the network monitoring acquisition terminal is electrically connected with an information output end of the local on-line monitoring device, and the network monitoring acquisition terminal is in communication connection with the centralized monitoring informationized management platform;
step S2, information transmission: and the network monitoring acquisition terminal sends the information acquired by the local on-line monitoring device to the centralized monitoring informationized management platform for management, analysis and display.
7. The method for online centralized monitoring of distributed power sources based on the electric power Internet of things of claim 6, wherein the method comprises the steps of,
before executing step S1, the method further comprises the following steps:
according to the ID codes of the distributed hosts to be detected in the management domain, the centralized monitoring informationized management platform establishes a power address management library, and the ID codes of the distributed hosts to be detected are stored in the power address management library;
the random number generator generates a corresponding binary random number according to the ID information of the power supply, and the binary random number is used as an encryption key of parameter information and state information of the host to be detected;
the network address distributor distributes a special network channel according to the ID information of the power supply; and transmitting the parameter information and the state information of different hosts to be detected through a special network channel.
8. The method for online centralized monitoring of distributed power sources based on the electric power Internet of things of claim 6, wherein the method comprises the steps of,
step S2 comprises passive transmission of information, and comprises the following steps:
the local online monitoring device detects abnormal information of a host to be detected, triggers the network monitoring acquisition terminal to start an information transmission instruction, and the network monitoring acquisition terminal periodically transmits an abnormal information transmission request to the centralized monitoring informationized management platform, and after receiving the request, the centralized monitoring informationized management platform generates a group of binary random numbers through a random number generator and transmits the binary random numbers to the encryption terminal through a special network channel;
the encryption terminal performs exclusive or encryption on the obtained abnormal acquisition information blocks and then sends the abnormal acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information.
9. The method for online centralized monitoring of distributed power sources based on the electric power Internet of things of claim 6, wherein the method comprises the steps of,
step S2 also includes information active transmission, and the steps are as follows:
the centralized monitoring informatization management platform sequentially acquires parameter information of a host to be detected according to a set time period;
when the set time arrives, starting a special network channel to start to execute the information transmission function; the random number generator sequentially generates a group of binary random numbers and sends the binary random numbers to the encryption terminal corresponding to the host end to be detected;
the encryption terminal performs exclusive or encryption on the acquired acquisition information blocks and then sends the acquisition information blocks to the centralized monitoring informationized management platform through a special network channel; the decryption module obtains original abnormal information by performing exclusive or decryption on the encrypted abnormal acquisition information block;
the centralized monitoring informationized management platform analyzes, manages and displays the abnormal information.
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