CN114401545A - 5G energy Internet gateway with time service function and working method of group network - Google Patents
5G energy Internet gateway with time service function and working method of group network Download PDFInfo
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- CN114401545A CN114401545A CN202210024126.7A CN202210024126A CN114401545A CN 114401545 A CN114401545 A CN 114401545A CN 202210024126 A CN202210024126 A CN 202210024126A CN 114401545 A CN114401545 A CN 114401545A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Abstract
The invention provides a 5G energy Internet gateway with a time service function and a working method of a network group, comprising the following steps: the system comprises a central processing unit, a 5G communication module, a time service signal output module and a protocol conversion module, wherein the 5G communication module, the time service signal output module and the protocol conversion module are respectively connected with the central processing unit; the 5G communication module is used for connecting a 5G base station; the protocol conversion module is used for forming connection with the energy Internet equipment through an interface corresponding to the energy Internet equipment; the time service signal output module is connected with the energy Internet equipment and outputs the time base signal acquired from the 5G communication module to the energy Internet equipment. Meanwhile, the problems of low-delay communication and high-precision time service of the distributed micro-grid are solved, and the distributed micro-grid has the advantages of low cost and convenience in installation and implementation.
Description
Technical Field
The invention belongs to the technical field of electric power and communication, and particularly relates to a 5G energy Internet gateway with a time service function and a working method of a network.
Background
The communication system is used as a tertiary device of electric power, and mainly ensures the safe and reliable operation of a primary device and a secondary device. Besides realizing the language communication between remote people, the communication system has another function of ensuring the timely transmission of signals of all equipment of the power grid and judging whether the equipment is normal or not, and if the equipment is abnormal, the protection device can be started immediately to cut off the fault and recover the normal power grid operation. At present, the electric power communication facilities comprise an electric power communication network consisting of communication equipment, overhead lines, ground access optical fibers and other equipment facilities, and the electric power communication network is distributed inside and outside a station house and is overhead in the ground, so that a high-bandwidth and low-delay communication network based on an intelligent video image recognition monitoring technology is needed. The mobile, broadband and low-delay applications of equipment such as unmanned aerial vehicle line patrol, mobile intelligent wearable multimedia interactive patrol and the like which are possibly implemented in the future also provide communication network requirements of high bandwidth, low delay and large capacity for the communication network.
At present, the consumption of automatic control and remote control equipment such as integrated automation equipment and automatic protection equipment of an intelligent power grid is continuously increased, and the power grid has higher and higher requirements on the performances such as time synchronization precision, safety, stability and reliability of the whole power grid in the fields of power generation, power transmission, power distribution and the like.
At present, an independent time service device (an electric power synchronous clock) is generally adopted for time service in the conventional transformer substation and a central station. The existing electric power synchronous clock has a single function, only has a single time service function, cannot monitor and guarantee time service precision, takes GPS/Beidou as a reference signal source, easily causes time service time abnormity in an area where GPS/Beidou signals are interfered, and has low reliability. The time service of the power grid is provided by each station in a scattered manner and operates in an open loop manner, the time of the whole power grid cannot be unified, the space interference cannot be resisted, and the development of the intelligent power grid is severely restricted.
In addition, for the micro-grid based on distributed clean energy power generation, all devices are dispersed in space and need to work in a unified and coordinated mode in time, and if a special communication network and an independent time service device similar to a traditional power distribution network are adopted, the cost and the implementation are high.
Disclosure of Invention
In view of the above, in order to fill up the blank in the prior art and overcome the defects and shortcomings in the prior art, the invention provides the 5G energy internet gateway with the time service function and the working method of the network, and meanwhile, the problems of low-delay communication and high-precision time service of the distributed micro-grid are solved, and the invention has the advantages of low cost and convenient installation and implementation.
The key design of the micro-grid synchronous energy generation system is that the micro-grid synchronous energy generation system is connected with a 5G base station, and a time service signal output module is integrated on hardware, so that a gateway can directly service energy internet equipment from the 5G base station by using high-precision time service of 5G, and the basic synchronous requirement of a micro-grid for distributed clean energy power generation is met.
The invention specifically adopts the following technical scheme:
the utility model provides a take 5G energy internet gateway of time service function which characterized in that includes: the system comprises a central processing unit, a 5G communication module, a time service signal output module and a protocol conversion module, wherein the 5G communication module, the time service signal output module and the protocol conversion module are respectively connected with the central processing unit; the 5G communication module is used for connecting a 5G base station; the protocol conversion module is used for forming connection with the energy Internet equipment through an interface corresponding to the energy Internet equipment; the time service signal output module is connected with the energy Internet equipment and used for outputting a time base signal, the time base signal directly comes from the 5G base station, and the gateway plays a role in signal transfer.
Further, the protocol conversion module is connected with: the energy internet equipment comprises an IIC interface, an SPI interface, an RS232 bus, an RS485 bus, a CAN bus, a Modbus, a LoRa module, a ZigBee module, a Wi-Fi module and a GPRS module, wherein the IIC interface, the SPI interface, the RS232 bus, the RS485 bus, the CAN bus, the Modbus, the LoRa module, the ZigBee module, the Wi-Fi module and the GPRS module are used for adapting to different types of energy internet equipment, and the IIC interface, the SPI interface, the RS232 bus, the RS485 bus, the CAN bus, the Modbus, the LoRa module, the ZigBee module, the Wi-Fi module and the GPRS module CAN be added or deleted according to actual needs.
Furthermore, the central processing unit is also connected with an I/O interface for connecting the sensor and the relay.
Furthermore, the central processing unit is also connected with a video interface for connecting a camera.
Furthermore, the central processing unit is also connected with a satellite positioning system through a GPS/Beidou satellite system interface and used as a standby time base signal acquisition channel, and the central processing unit can have a disaster-tolerant function under the condition that the 5G base station is disconnected.
And, a method of providing a working of a network formed by gateways, characterized by: the energy Internet equipment is connected with an energy Internet cloud through a gateway and a 5G base station; the energy Internet equipment sends the equipment state information to the protocol switching module, the protocol switching module converts the information into a protocol and then sends the protocol to the central processing unit, the central processing unit sends the information to the 5G communication module, the information is uploaded to the cloud end of the energy Internet through the 5G base station, and a user can monitor and process the equipment state data at the cloud end; the user control instruction is issued through the energy internet cloud, and is sent through the 5G base station, the 5G communication module receives the control instruction and sends the control instruction to the central processing unit, the central processing unit controls the I/O port or sends the control instruction to the protocol switching module according to the difference of the control instruction, and the control instruction is converted into a protocol and then sent to the energy internet terminal equipment together with the time service signal, so that the unified coordination work of the terminal equipment on time is guaranteed.
Further, image signals collected by the high-definition camera are transmitted to the gateway in real time; after the equipment state and the image signal are sent to the 5G base station through the gateway, the equipment state and the image signal are uploaded to the cloud end of the energy Internet, and a user can monitor the state of the energy Internet equipment in real time, analyze and process the state data and then issue a new control instruction.
Further, the gateway converts different communication modes including wireless and wired communication modes and different communication protocols including modbus and profibus into a standard unified protocol through protocol conversion, so as to facilitate data collection and processing of the cloud.
Further, the method comprises the following steps:
step S1: initializing a gateway system, namely initializing a protocol conversion module and a 5G communication module;
step S2: the gateway detects the cloud control instruction;
step S3: after receiving a control command issued by the cloud, the gateway judges whether the command needs to carry out protocol switching or not;
step S4: if the control instruction does not need to carry out protocol switching, the central processing unit directly controls to work according to the control instruction;
step S5: if the instruction needs protocol switching, the instruction is processed by a protocol switching module and then is issued to the energy Internet terminal equipment together with the time service signal;
step S6: the energy Internet terminal equipment starts to work after receiving the control command and uploads equipment state information;
step S7: and after being processed by the protocol switching module, the equipment state information is sent to the 5G communication module and then uploaded to the cloud end of the energy Internet.
Compared with the prior art, the invention and the optimized scheme thereof have the following advantages that the time service signal output module is added on the signal channel of the gateway to utilize the high-precision time service function of 5G, and the common power synchronous clock and GPS/Beidou satellite time service in the power system are replaced:
1. high-precision clock synchronization with extremely low clock error requirement can be met without wiring, and the cost for erecting an optical fiber circuit is greatly saved.
2. Due to the fact that the deployment position of the 5G base station is flexible, seamless coverage of communication signals and time service signals can be guaranteed, the coverage is better compared with that of GPS/Beidou satellite time service signals, and the influence of weather and environment is not prone to occurring.
3. The time service module is connected and combined with the inherent communication module of the gateway, and the high-precision time service function and the energy Internet equipment communication function can be completed by using one set of equipment, so that the equipment cost is greatly reduced.
4. Multiple communication protocols can be switched according to actual equipment requirements, the development and application difficulty is greatly reduced, and the expandability and maintainability of the system are improved.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a 5G energy Internet gateway with a time service function according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a network work flow of a 5G energy Internet gateway with a time service function according to an embodiment of the invention;
fig. 3 is a schematic diagram of a main working process of the 5G energy internet gateway with a time service function according to the embodiment of the invention.
Detailed Description
In order to make the features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail as follows:
as shown in fig. 1, the hardware structure of the 5G energy internet gateway with a time service function provided in this embodiment includes: the system comprises a central processing unit, a 5G communication module, a time service signal output module, a protocol conversion module, an I/O interface, a video interface and a gigabit network port.
The time service signal output module is connected to the energy Internet equipment through a high-precision time service signal interface, so that a high-precision time base signal of the 5G base station is provided for the energy Internet equipment, and the function of transferring the time base signal is achieved; meanwhile, the protocol conversion module CAN be connected with different modules such as an IIC interface, an SPI interface, an RS232 bus, an RS485 bus, a CAN bus, a Modbus, a LoRa, a ZigBee, a Wi-Fi and the like according to different requirements of energy Internet equipment, and the central processing unit CAN communicate with the modules through the protocol conversion module to realize communication with equipment with different protocols; the above structure enables both time service and basic communication functions to be realized on the gateway.
In addition, an I/O interface is provided to read sensor signals and control modules such as a relay, and subsequently, a control strategy can be matched to realize control over equipment in an energy internet, particularly a distributed micro-grid; the video interface can be connected with a high-definition camera and transmits a high-definition image in real time, the state of the energy Internet equipment is monitored in real time, and the video signal can be subjected to image recognition by matching with a recognition scheme subsequently, so that equipment faults are diagnosed; the GPS/Beidou satellite system interface can be connected with a satellite positioning system to accurately acquire the positioning information of the equipment, and meanwhile, the equipment can acquire a standard time signal from a satellite.
As shown in fig. 2, the network work flow of the 5G energy internet gateway with the time service function in this embodiment is as follows:
step S1: initializing a gateway system, namely initializing a protocol conversion module and a 5G communication module;
step S2: the gateway detects the cloud control instruction;
step S3: after receiving a control command issued by the cloud, the gateway judges whether the command needs to carry out protocol switching or not;
step S4: if the control instruction does not need to carry out protocol switching, the central processing unit directly controls modules such as a control relay and the like to work according to the control instruction;
step S5: if the instruction needs protocol switching, the instruction is processed by a protocol switching module and then is issued to the energy Internet terminal equipment together with the time service signal;
step S6: the energy Internet terminal equipment starts to work after receiving the control command and uploads equipment state information;
step S7: and after being processed by the protocol switching module, the equipment state information is sent to the 5G communication module and then uploaded to the cloud end of the energy Internet.
As shown in fig. 3, a user may send a control command to the device through the energy internet cloud, and receive a command:
(1) and (3) control instruction issuing: the gateway of the invention receives the control instruction, processes the instruction by the protocol switching module, then sends the control instruction to the energy Internet terminal equipment, and simultaneously sends the time service signal to the terminal equipment, thereby ensuring that the terminal equipment realizes synchronous and efficient operation.
(2) Uploading the state of the equipment: the state information of the energy Internet equipment and the clock synchronization signal are processed by the protocol switching module and then are sent to the gateway, and meanwhile, image signals collected by the high-definition camera are also transmitted to the gateway in real time. After the equipment state and the image signal are sent to the 5G base station through the gateway, the equipment state and the image signal are uploaded to the cloud end of the energy Internet, and a user can monitor the state of the energy Internet equipment in real time, analyze and process the state data and then issue a new control instruction.
The present invention is not limited to the above preferred embodiments, and any person can derive other 5G energy internet gateways with time service function and the working method of the network group under the teaching of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a take 5G energy internet gateway of time service function which characterized in that includes: the system comprises a central processing unit, a 5G communication module, a time service signal output module and a protocol conversion module, wherein the 5G communication module, the time service signal output module and the protocol conversion module are respectively connected with the central processing unit; the 5G communication module is used for connecting a 5G base station; the protocol conversion module is used for forming connection with the energy Internet equipment through an interface corresponding to the energy Internet equipment; the time service signal output module is connected with the energy Internet equipment and outputs the time base signal acquired from the 5G communication module to the energy Internet equipment.
2. The 5G energy Internet gateway with the time service function as claimed in claim 1, wherein: the protocol conversion module is connected with: the system comprises an IIC interface, an SPI interface, an RS232 bus, an RS485 bus, a CAN bus, a Modbus, a LoRa module, a ZigBee module, a Wi-Fi module and a GPRS module.
3. The 5G energy Internet gateway with the time service function as claimed in claim 1, wherein: the central processing unit is also connected with an I/O interface for connecting the sensor and the relay.
4. The 5G energy Internet gateway with the time service function as claimed in claim 1, wherein: the central processing unit is also connected with a video interface for connecting a camera.
5. The 5G energy Internet gateway with the time service function as claimed in claim 1, wherein: the central processing unit is also connected with a satellite positioning system through a GPS/Beidou satellite system interface.
6. The working method of the network consisting of the 5G energy Internet gateways with the time service function, according to claim 3, is characterized in that: the energy Internet equipment is connected with an energy Internet cloud through a gateway and a 5G base station; the energy Internet equipment sends the equipment state information to the protocol switching module, the protocol switching module converts the information into a protocol and then sends the protocol to the central processing unit, the central processing unit sends the information to the 5G communication module, the information is uploaded to the cloud end of the energy Internet through the 5G base station, and a user can monitor and process the equipment state data at the cloud end; the user control instruction is issued through the energy internet cloud, and is sent through the 5G base station, the 5G communication module receives the control instruction and sends the control instruction to the central processing unit, the central processing unit controls the I/O port or sends the control instruction to the protocol switching module according to the difference of the control instruction, and the control instruction is converted into a protocol and then sent to the energy internet terminal equipment together with the time service signal, so that the unified coordination work of the terminal equipment on time is guaranteed.
7. The working method of the network consisting of the 5G energy Internet gateways with the time service function, according to claim 6, is characterized in that: image signals collected by the high-definition camera are transmitted to the gateway in real time; after the equipment state and the image signal are sent to the 5G base station through the gateway, the equipment state and the image signal are uploaded to the cloud end of the energy Internet, and a user can monitor the state of the energy Internet equipment in real time, analyze and process the state data and then issue a new control instruction.
8. The working method of the network consisting of the 5G energy Internet gateways with the time service function, according to claim 6, is characterized in that: the gateway converts different communication modes including wireless and wired and device layers including different communication protocols of modbus and profibus into a standard unified protocol so as to facilitate data collection and processing of the cloud.
9. The working method of the network consisting of the 5G energy Internet gateways with the time service function, according to claim 6, is characterized by comprising the following steps:
step S1: initializing a gateway system, namely initializing a protocol conversion module and a 5G communication module;
step S2: the gateway detects the cloud control instruction;
step S3: after receiving a control command issued by the cloud, the gateway judges whether the command needs to carry out protocol switching or not;
step S4: if the control instruction does not need to carry out protocol switching, the central processing unit directly controls to work according to the control instruction;
step S5: if the instruction needs protocol switching, the instruction is processed by a protocol switching module and then is issued to the energy Internet terminal equipment together with the time service signal;
step S6: the energy Internet terminal equipment starts to work after receiving the control command and uploads equipment state information;
step S7: and after being processed by the protocol switching module, the equipment state information is sent to the 5G communication module and then uploaded to the cloud end of the energy Internet.
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