CN115021777A - Operation and distribution network communication method and system in low-voltage transformer area - Google Patents

Operation and distribution network communication method and system in low-voltage transformer area Download PDF

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Publication number
CN115021777A
CN115021777A CN202210523331.8A CN202210523331A CN115021777A CN 115021777 A CN115021777 A CN 115021777A CN 202210523331 A CN202210523331 A CN 202210523331A CN 115021777 A CN115021777 A CN 115021777A
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China
Prior art keywords
edge gateway
equipment
network
tested
gateway equipment
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CN202210523331.8A
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Chinese (zh)
Inventor
姚志国
盛万兴
王鹏
郭屾
张冀川
林佳颖
谭传玉
孙浩洋
秦四军
张治明
张明宇
白帅涛
吕琦
张永芳
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
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Priority to CN202210523331.8A priority Critical patent/CN115021777A/en
Publication of CN115021777A publication Critical patent/CN115021777A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00028Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/544Setting up communications; Call and signalling arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/66Arrangements for connecting between networks having differing types of switching systems, e.g. gateways

Abstract

The invention relates to the technical field of low-voltage intelligent power distribution networks, and particularly provides a method and a system for operation and distribution network communication in a low-voltage transformer area, wherein the method comprises the following steps: the edge gateway equipment utilizes an HPLC central coordinator to carry out networking; after the tested equipment accesses the network, the service master station corresponding to the edge gateway equipment issues tasks to the edge gateway equipment; and the edge gateway equipment receiving the task executes the task based on the network states of other edge gateway equipment in the network. The technical scheme provided by the invention can effectively improve the network utilization rate and reduce the network loss caused by the coordination between networks such as the TDMA section contended by two networks.

Description

Operation and distribution network communication method and system in low-voltage transformer area
Technical Field
The invention relates to the technical field of low-voltage intelligent power distribution networks, in particular to a method and a system for communication of a marketing and distribution network in a low-voltage transformer area.
Background
Along with the construction of a low-voltage intelligent power distribution network, the gradual improvement of a 'cloud pipe side end' architecture system is realized, the requirement on communication is more obvious, the side end interaction of the low-voltage power distribution network is mainly based on HPLC (high performance liquid chromatography), two communication networks for marketing and power distribution exist, the two networks coexist mainly in a same frequency mode and a frequency division mode, the two modes have great defects, when the two networks are in the same frequency, the quantity of coordination tasks between the networks is increased due to the fact that a large number of devices for power distribution and marketing are mutually staggered, 60% of network efficiency loss can be caused, and when the two networks are subjected to frequency division, 25% of network efficiency loss can still be caused due to reasons such as out-of-band radiation and noise interference.
The two modes have low communication utilization rate, influence on services, and cannot ensure the integrity of services such as high-frequency acquisition and the like and the timeliness of services such as event reporting and the like.
Disclosure of Invention
In order to overcome the defects, the invention provides a method and a system for operation and distribution network communication in a low-voltage transformer area.
In a first aspect, a method for operation and distribution network communication in a low-voltage distribution area is provided, where the method for operation and distribution network communication in the low-voltage distribution area includes:
the edge gateway equipment utilizes an HPLC central coordinator to carry out networking;
after the tested equipment accesses the network, the service master station corresponding to the edge gateway equipment issues tasks to the edge gateway equipment;
and the edge gateway equipment receiving the task executes the task based on the network states of other edge gateway equipment in the network.
Preferably, the edge gateway device performs networking by using an HPLC central coordinator, and includes:
the edge gateway equipment adjusts the communication frequency band of the HPLC central coordinator to be the same as the frequency band of the HPLC central coordinator modules of other edge gateway equipment, and receives equipment file information of other edge gateway equipment sent by the corresponding service master station;
an HPLC central coordinator of the edge gateway equipment sends a query whether to support the cooperative networking to HPLC central coordinators of other edge gateway equipment;
after receiving the inquiry about whether the collaborative networking is supported or not, the HPLC central coordinators of other edge gateway devices judge whether the edge gateway devices support the collaborative networking protocol or not, if so, the HPLC central coordinators of the edge gateway devices return the confirmation information of supporting networking, otherwise, the HPLC central coordinators of the edge gateway devices return the information of not supporting networking;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported, the HPLC central coordinator of the edge gateway equipment sends networking requests to the HPLC central coordinators of other edge gateway equipment;
after receiving the networking request, the HPLC central coordinators of other edge gateway devices call the device file information of the edge gateway devices and compare the device file information, and after the comparison is successful, the HPLC central coordinators of the edge gateway devices return networking success information;
and the HPLC central coordinator of the edge gateway equipment exchanges the equipment archive information stored by the HPLC central coordinator of the edge gateway equipment with the HPLC central coordinators of other edge gateway equipment, and networking is finished.
Further, the edge gateway device is a platform area intelligent convergence terminal or a concentrator.
Further, when the edge gateway device is a platform area intelligent integration terminal, the device to be tested is an intelligent circuit breaker or a photovoltaic circuit breaker, and when the edge gateway device is a concentrator, the device to be tested is an electric meter.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after the tested equipment is electrified, sending a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning specified tested devices to all sub-nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child nodes forward the network access solicitation to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
Preferably, the task is executed by the edge gateway device that receives the task based on the network states of other edge gateway devices in the network, including:
the method comprises the following steps: the edge gateway equipment receiving the task judges whether the network state is idle, if so, the step two is carried out, otherwise, the judgment is carried out again after the preset time;
step two: the edge gateway equipment receiving the task inquires whether the network states of other edge gateway equipment in the network are idle or not, if so, the step three is carried out, otherwise, the judgment is carried out again after the preset time;
step three: the edge gateway equipment which receives the task issues a command to the equipment to be tested, and the resource occupation state is locked;
step four: after the tested device successfully executes the command, returning the data to the edge gateway device receiving the task;
step five: and after receiving the acquired task information, the edge gateway equipment of the task unlocks the resource state and completes the service.
In a second aspect, a distribution network communication system in a low-voltage transformer area is provided, which includes: the system comprises edge gateway equipment, a service master station corresponding to the edge gateway equipment and other edge gateway equipment which is networked with the edge gateway equipment;
the edge gateway equipment is used for networking with other edge gateway equipment by utilizing an HPLC central coordinator;
the service master station corresponding to the edge gateway equipment is used for issuing tasks to the edge gateway equipment after the tested equipment accesses the network;
the edge gateway device is further configured to execute the task based on network states of other edge gateway devices in the network.
Further, the edge gateway device is specifically configured to:
adjusting the communication frequency band of the HPLC central coordinator to be the same as the frequency bands of the HPLC central coordinator modules of other edge gateway devices, and receiving device file information of other edge gateway devices sent by the corresponding service master station;
sending a query whether to support the collaborative networking to HPLC central coordinators of other edge gateway devices through an HPLC central coordinator, so that the HPLC central coordinators of the other edge gateway devices judge whether to support a collaborative networking protocol after receiving the query whether to support the collaborative networking, if so, returning networking support confirmation information to the HPLC central coordinators of the edge gateway devices, and otherwise, returning networking non-support information;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported through the HPLC central coordinator, sending networking requests to the HPLC central coordinators of other edge gateway devices, so that the HPLC central coordinators of the other edge gateway devices call the device file information of the edge gateway devices after receiving the networking requests and compare the device file information, and after the comparison is successful, returning networking success information to the HPLC central coordinators of the edge gateway devices;
and exchanging self-stored equipment archive information with the HPLC central coordinators of other edge gateway equipment through the HPLC central coordinator, and finishing networking.
Further, the edge gateway device is a platform area intelligent convergence terminal or a concentrator.
Further, when the edge gateway device is a platform area intelligent integration terminal, the device to be tested is an intelligent circuit breaker or a photovoltaic circuit breaker, and when the edge gateway device is a concentrator, the device to be tested is an electric meter.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after the tested equipment is electrified, sending a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the archive information is updated, the edge gateway equipment sends the archive of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning appointed tested devices to all child nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child node forwards the network access request to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
Preferably, the edge gateway device is specifically configured to:
the method comprises the following steps: judging whether the network state is idle, if so, entering the step two, and otherwise, judging again after preset time;
step two: inquiring whether the network states of other edge gateway devices in the network are idle, if so, entering the step three, otherwise, judging again after preset time;
step three: issuing a command to the tested equipment, and locking the resource occupation state so that the tested equipment returns data to the edge gateway equipment receiving the task after successfully executing the command;
step four: and after receiving the acquired task information, unlocking the resource state and completing the service.
In a third aspect, a computer device is provided, comprising: one or more processors;
the processor to store one or more programs;
when the one or more programs are executed by the one or more processors, the method for operation and distribution network communication in the low-voltage transformer area is realized.
In a fourth aspect, a computer-readable storage medium is provided, on which a computer program is stored, and when the computer program is executed, the method for operation and network communication in a low-voltage transformer area is implemented.
One or more technical schemes of the invention at least have one or more of the following beneficial effects:
the invention provides a method and a system for operation and distribution network communication in a low-voltage transformer area, which comprise the following steps: the edge gateway equipment utilizes an HPLC central coordinator to carry out networking; after the tested equipment accesses the network, the service master station corresponding to the edge gateway equipment issues tasks to the edge gateway equipment; and the edge gateway equipment receiving the task executes the task based on the network states of other edge gateway equipment in the network. The technical scheme provided by the invention can effectively improve the network utilization rate, reduce the network loss caused by the coordination between networks such as the competition of two networks for TDMA (time division multiple Access) segments and the like, improve the network strength, greatly improve the communication delay and the communication reliability and improve the success rate of services such as acquisition, event reporting and the like because two professional devices can be relayed mutually, and improve the overall network efficiency by 162.5 percent compared with a same-frequency-segment double HPLC (high performance liquid chromatography) network mode.
Drawings
Fig. 1 is a schematic flow chart of main steps of a management and distribution network communication method in a low-voltage transformer area according to an embodiment of the present invention;
fig. 2 is a flow chart of the cooperative networking of the intelligent convergence terminal and the concentrator in the station area according to the embodiment of the present invention;
FIG. 3 is a flow chart of the network access of the low-voltage intelligent switch according to the embodiment of the invention;
fig. 4 is a network access flow chart of the low-voltage intelligent switch according to another embodiment of the invention;
fig. 5 is a flow chart of service delivery according to an embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating main steps of a distribution network communication method in a low-voltage distribution area according to an embodiment of the present invention. As shown in fig. 1, the operation and distribution network communication method in the low-voltage transformer area in the embodiment of the present invention mainly includes the following steps:
step S101: the edge gateway equipment utilizes an HPLC central coordinator to carry out networking;
step S102: after the tested equipment accesses the network, the service master station corresponding to the edge gateway equipment issues tasks to the edge gateway equipment;
step S103: and the edge gateway equipment receiving the task executes the task based on the network states of other edge gateway equipment in the network.
In this embodiment, the networking of the edge gateway device by using an HPLC central coordinator includes:
the edge gateway equipment adjusts the communication frequency band of the HPLC central coordinator to be the same as the frequency band of the HPLC central coordinator modules of other edge gateway equipment, and receives equipment file information of other edge gateway equipment sent by the corresponding service master station;
an HPLC central coordinator of the edge gateway equipment sends a query whether to support cooperative networking to HPLC central coordinators of other edge gateway equipment;
after receiving the inquiry about whether the collaborative networking is supported or not, the HPLC central coordinators of other edge gateway devices judge whether the edge gateway devices support the collaborative networking protocol or not, if so, the HPLC central coordinators of the edge gateway devices return the confirmation information of supporting networking, otherwise, the HPLC central coordinators of the edge gateway devices return the information of not supporting networking;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported, the HPLC central coordinator of the edge gateway equipment sends networking requests to the HPLC central coordinators of other edge gateway equipment;
after receiving the networking request, the HPLC central coordinators of other edge gateway devices call the device file information of the edge gateway devices and compare the device file information, and after the comparison is successful, the HPLC central coordinators of the edge gateway devices return networking success information;
and the HPLC central coordinator of the edge gateway equipment exchanges the equipment archive information stored by the HPLC central coordinator of the edge gateway equipment with the HPLC central coordinators of other edge gateway equipment, and networking is finished.
The edge gateway equipment is a platform area intelligent fusion terminal or a concentrator.
Further, when the edge gateway device is a platform area intelligent integration terminal, the device to be tested is an intelligent circuit breaker or a photovoltaic circuit breaker, and when the edge gateway device is a concentrator, the device to be tested is an electric meter.
In one embodiment, taking a distribution professional low-voltage intelligent convergence terminal and a marketing professional concentrator as an example, a networking process of the convergence terminal and the concentrator is shown in fig. 2, and the specific steps are as follows:
the method comprises the following steps: adjusting the frequency of a low-voltage intelligent fusion terminal HPLC channel to enable the frequency to work in the same channel with a concentrator HPLC central coordinator module, and respectively issuing opposite side equipment file information by service master stations of two sides;
step two: the low-voltage intelligent convergence terminal central coordinator A searches peripheral central coordinators;
step three: a, after finding an available central coordinator B, sending a query whether to support cooperative networking;
step four: and B, after receiving the inquiry request, judging whether the B supports the cooperative networking protocol, and returning a supporting networking confirmation message when the B supports the cooperative networking protocol.
Step five: after receiving the confirmation frame confirming that the cooperative networking protocol is supported, the A sends a networking request to the B;
step six: b, after receiving the network access request, comparing the network access request with self-stored file information, and returning networking success information after the comparison is successful.
Step seven: A. b exchanges self-stored file information
Step eight: and (5) successfully carrying out cooperative networking and finishing networking.
In this embodiment, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the archive information is updated, the edge gateway equipment sends the archive of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after the tested equipment is electrified, sending a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
In one embodiment, taking the network access of the low-voltage intelligent switch as an example, the network access process is shown in fig. 3, and the specific steps are as follows:
the method comprises the following steps: and the distribution automation master station issues a low-voltage intelligent switch file to the district intelligent fusion terminal.
Step two: after the intelligent integration terminal finds that the archive information is updated, the low-voltage intelligent switch archives are sent to the concentrator.
Step three: the low-voltage intelligent switch is electrified in a wiring mode, and a communication module A in the switch searches for available network nodes around.
Step three: after the available network is found, the switch information is carried, and a network access request is sent to the available network.
Step three: after the node B receives the information, the central coordinator judges whether the equipment belongs to the specialty or the distribution area or not and whether the archive information exists or not.
Step four: and after the comparison is successful, agreeing to networking and returning networking success information, and updating new network information to the concentrator.
Step five: and A, completing networking after receiving networking success information.
In this embodiment, for the network access process of the low-voltage intelligent switch of the present invention, the network access process of the device under test may also be implemented by using an active search mode of a central coordinator, where the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the archive information is updated, the edge gateway equipment sends the archive of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning specified tested devices to all sub-nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child node forwards the network access request to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
In one embodiment, taking the network access of the low-voltage intelligent switch as an example, as shown in fig. 4, the specific steps are as follows:
the method comprises the following steps: and the distribution automation master station issues equipment archive information to the district intelligent fusion terminal.
Step two: and the central coordinator of the intelligent convergence terminal of the transformer area updates the file information to the central coordinator of the concentrator.
Step three: the low-voltage intelligent switch is connected and powered on to operate.
Step four: and the platform area intelligent fusion terminal and the centralized central coordinator send commands for scanning the designated file equipment to all the child nodes according to a fixed period.
Step five: and after receiving the command, the child node starts to scan the peripheral equipment.
Step six: and after the node A searches the low-voltage intelligent switching equipment, sending a ready-to-access command to the low-voltage intelligent switching equipment.
Step seven: and after receiving the network access preparation command, the low-voltage intelligent switch carries equipment information and sends a network access request to the node A.
Step eight: and the node A forwards the network access request to the intelligent convergence terminal of the transformer area.
Step nine: and the platform area intelligent fusion terminal informs the intelligent low-voltage switch of accessing to the network by a new route through calculating and analyzing the optimal route information to which the intelligent low-voltage switch belongs.
Step ten: and the low-voltage intelligent switch adjusts the route and finishes networking.
In this embodiment, the task executed by the edge gateway device that receives the task based on the network states of other edge gateway devices in the network includes:
the method comprises the following steps: the edge gateway equipment receiving the task judges whether the network state is idle, if so, the step two is carried out, otherwise, the judgment is carried out again after the preset time;
step two: the edge gateway equipment receiving the task inquires whether the network states of other edge gateway equipment in the network are idle or not, if so, the step three is carried out, otherwise, the judgment is carried out again after the preset time;
step three: the edge gateway equipment which receives the task issues a command to the equipment to be tested, and the resource occupation state is locked;
step four: after the tested device successfully executes the command, returning the data to the edge gateway device receiving the task;
step five: and after receiving the acquired task information, the edge gateway equipment of the task unlocks the resource state and finishes the service.
In one embodiment, two professional devices are operated and distributed in one communication network, the central coordinator of each professional device works independently, and a TDMA section is coordinated in one network, so that the problem that the TDMA section exceeds a beacon period when two networks compete for the TDMA section can be effectively solved, when a service is issued, the central coordinator of the other party needs to be inquired whether the resource is in a gap or not, and the service can be issued when the service is idle, the flow is shown in fig. 5, and the low-voltage intelligent switch acquisition switch state is taken as an example, and the specific steps are as follows:
the method comprises the following steps: and the station area intelligent fusion terminal issues a frozen data acquisition task.
Step two: the platform area intelligent convergence terminal CCO firstly inquires whether the resources of the concentrator CCO are idle.
Step three: and after the resource is confirmed to be idle, sending a command to the low-voltage intelligent switch, and locking the resource occupation state.
Step four: and after the data acquisition of the low-voltage intelligent switch is successful, returning the data to the platform area intelligent fusion terminal.
Step five: and after the CCO receives the acquired task information, the intelligent convergence terminal of the platform area unlocks the resource state and completes the service.
Example 2
Based on the same inventive concept, the invention also provides a marketing and distribution network communication system in the low-voltage transformer area, which comprises: the system comprises edge gateway equipment, a service master station corresponding to the edge gateway equipment and other edge gateway equipment which is networked with the edge gateway equipment;
the edge gateway equipment is used for networking with other edge gateway equipment by using an HPLC central coordinator;
the service master station corresponding to the edge gateway equipment is used for issuing tasks to the edge gateway equipment after the tested equipment accesses the network;
the edge gateway device is further configured to execute the task based on network states of other edge gateway devices in the network.
Further, the edge gateway device is specifically configured to:
adjusting the communication frequency band of the HPLC central coordinator to be the same as the frequency bands of the HPLC central coordinator modules of other edge gateway devices, and receiving device file information of other edge gateway devices sent by the corresponding service master station;
sending a query whether to support the collaborative networking to HPLC central coordinators of other edge gateway devices through an HPLC central coordinator, so that the HPLC central coordinators of the other edge gateway devices judge whether to support a collaborative networking protocol after receiving the query whether to support the collaborative networking, if so, returning networking support confirmation information to the HPLC central coordinators of the edge gateway devices, and otherwise, returning networking non-support information;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported through the HPLC central coordinator, sending networking requests to the HPLC central coordinators of other edge gateway devices, so that the HPLC central coordinators of the other edge gateway devices call the device file information of the edge gateway devices after receiving the networking requests and compare the device file information, and after the comparison is successful, returning networking success information to the HPLC central coordinators of the edge gateway devices;
and exchanging self-stored equipment archive information with the HPLC central coordinators of other edge gateway equipment through the HPLC central coordinator, and finishing networking.
Further, the edge gateway device is a platform area intelligent convergence terminal or a concentrator.
Further, when the edge gateway device is a platform area intelligent integration terminal, the device to be tested is an intelligent circuit breaker or a photovoltaic circuit breaker, and when the edge gateway device is a concentrator, the device to be tested is an electric meter.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after the tested equipment is electrified, sending a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
Preferably, the network access process of the device under test includes:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning specified tested devices to all sub-nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child node forwards the network access request to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
Preferably, the edge gateway device is specifically configured to:
the method comprises the following steps: judging whether the network state is idle, if so, entering the step two, and otherwise, judging again after preset time;
step two: inquiring whether the network states of other edge gateway devices in the network are idle, if so, entering the step three, otherwise, judging again after preset time;
step three: issuing a command to the tested equipment, and locking the resource occupation state so that the tested equipment returns data to the edge gateway equipment receiving the task after successfully executing the command;
step four: and after receiving the acquired task information, unlocking the resource state and completing the service.
Example 3
Based on the same inventive concept, the present invention also provides a computer apparatus comprising a processor and a memory, the memory being configured to store a computer program comprising program instructions, the processor being configured to execute the program instructions stored by the computer storage medium. The Processor may be a Central Processing Unit (CPU), or may be other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable gate array (FPGA) or other Programmable logic device, a discrete gate or transistor logic device, a discrete hardware component, etc., which is a computing core and a control core of the terminal, and is specifically adapted to implement one or more instructions, and to load and execute one or more instructions in a computer storage medium to implement a corresponding method flow or a corresponding function, so as to implement the steps of the method for distributing network communication in a low-voltage station area in the above embodiments.
Example 4
Based on the same inventive concept, the present invention further provides a storage medium, in particular, a computer-readable storage medium (Memory), which is a Memory device in a computer device and is used for storing programs and data. It is understood that the computer readable storage medium herein can include both built-in storage media in the computer device and, of course, extended storage media supported by the computer device. The computer-readable storage medium provides a storage space storing an operating device of the terminal. Also, one or more instructions, which may be one or more computer programs (including program code), are stored in the memory space and are adapted to be loaded and executed by the processor. It should be noted that the computer-readable storage medium may be a high-speed RAM memory, or may be a non-volatile memory (non-volatile memory), such as at least one disk memory. One or more instructions stored in the computer-readable storage medium may be loaded and executed by a processor to implement the steps of the operation and distribution network communication method in the low-voltage transformer area in the foregoing embodiments.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a system for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (16)

1. A marketing and distribution network communication method in a low-voltage transformer area is characterized by comprising the following steps:
the edge gateway equipment utilizes an HPLC central coordinator to carry out networking;
after the tested equipment accesses the network, the service master station corresponding to the edge gateway equipment issues tasks to the edge gateway equipment;
and the edge gateway equipment receiving the task executes the task based on the network states of other edge gateway equipment in the network.
2. The method of claim 1, wherein the edge gateway device utilizes an HPLC central coordinator for networking, comprising:
the edge gateway equipment adjusts the communication frequency band of the HPLC central coordinator to be the same as the frequency band of the HPLC central coordinator modules of other edge gateway equipment, and receives equipment file information of other edge gateway equipment sent by the corresponding service master station;
an HPLC central coordinator of the edge gateway equipment sends a query whether to support cooperative networking to HPLC central coordinators of other edge gateway equipment;
after receiving the inquiry about whether the collaborative networking is supported or not, the HPLC central coordinators of other edge gateway devices judge whether the edge gateway devices support the collaborative networking protocol or not, if so, the HPLC central coordinators of the edge gateway devices return the confirmation information of supporting networking, otherwise, the HPLC central coordinators of the edge gateway devices return the information of not supporting networking;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported, the HPLC central coordinator of the edge gateway equipment sends networking requests to the HPLC central coordinators of other edge gateway equipment;
after receiving the networking request, the HPLC central coordinators of other edge gateway devices call the device file information of the edge gateway devices and compare the device file information, and after the comparison is successful, the HPLC central coordinators of the edge gateway devices return networking success information;
and the HPLC central coordinator of the edge gateway equipment exchanges self-stored equipment archive information with the HPLC central coordinators of other edge gateway equipment, and networking is completed.
3. The method of claim 2, wherein the edge gateway device is a zone intelligent convergence terminal or a concentrator.
4. The method of claim 3, wherein the device under test is a smart breaker or a photovoltaic breaker when the edge gateway device is a zone intelligent convergence terminal and an electricity meter when the edge gateway device is a concentrator.
5. The method of claim 1, wherein the network entry process of the device under test comprises:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after the tested equipment is electrified, sending a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
6. The method of claim 1, wherein the network entry process of the device under test comprises:
a service master station corresponding to the edge gateway equipment issues a file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning specified tested devices to all sub-nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child node forwards the network access request to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
7. The method of claim 1, wherein the edge gateway device receiving the task performs the task based on network states of other edge gateway devices in the network, comprising:
the method comprises the following steps: the edge gateway equipment receiving the task judges whether the network state is idle, if so, the step two is carried out, otherwise, the judgment is carried out again after the preset time;
step two: the edge gateway equipment receiving the task inquires whether the network states of other edge gateway equipment in the network are idle or not, if so, the step three is carried out, and otherwise, the judgment is carried out again after the preset time;
step three: the edge gateway equipment which receives the task issues a command to the equipment to be tested, and the resource occupation state is locked;
step four: after the tested device successfully executes the command, returning the data to the edge gateway device receiving the task;
step five: and after receiving the acquired task information, the edge gateway equipment of the task unlocks the resource state and completes the service.
8. The utility model provides a network distribution communication system manages in low pressure platform district which characterized in that, the system includes: the system comprises edge gateway equipment, a service master station corresponding to the edge gateway equipment and other edge gateway equipment which is networked with the edge gateway equipment;
the edge gateway equipment is used for networking with other edge gateway equipment by utilizing an HPLC central coordinator;
the service master station corresponding to the edge gateway equipment is used for issuing tasks to the edge gateway equipment after the tested equipment accesses the network;
the edge gateway device is further configured to execute the task based on network states of other edge gateway devices in the network.
9. The system of claim 8, wherein the edge gateway device is specifically configured to:
adjusting the communication frequency band of the HPLC central coordinator to be the same as the frequency bands of the HPLC central coordinator modules of other edge gateway devices, and receiving device file information of other edge gateway devices sent by the corresponding service master station;
sending a query whether to support the collaborative networking to HPLC central coordinators of other edge gateway devices through an HPLC central coordinator, so that the HPLC central coordinators of the other edge gateway devices judge whether to support a collaborative networking protocol after receiving the query whether to support the collaborative networking, if so, returning networking support confirmation information to the HPLC central coordinators of the edge gateway devices, and otherwise, returning networking non-support information;
after receiving the confirmation frame for confirming that the collaborative networking protocol is supported through the HPLC central coordinator, sending networking requests to the HPLC central coordinators of other edge gateway devices, so that the HPLC central coordinators of the other edge gateway devices call the device file information of the edge gateway devices after receiving the networking requests and compare the device file information, and after the comparison is successful, returning networking success information to the HPLC central coordinators of the edge gateway devices;
and exchanging self-stored equipment archive information with the HPLC central coordinators of other edge gateway equipment through the HPLC central coordinator, and finishing networking.
10. The system of claim 9, wherein the edge gateway device is a zone intelligent convergence terminal or a concentrator.
11. The system of claim 10, wherein the device under test is a smart circuit breaker or a photovoltaic circuit breaker when the edge gateway device is a zone intelligent convergence terminal and an electricity meter when the edge gateway device is a concentrator.
12. The system of claim 8, wherein the network entry process of the device under test comprises:
a business master station corresponding to the edge gateway equipment transmits the file of the tested equipment to the edge gateway equipment;
after discovering that the archive information is updated, the edge gateway equipment sends the archive of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
after being electrified, the tested equipment sends a network access request to the edge gateway equipment through a corresponding HPLC tail end module;
after receiving the network access request, the edge gateway equipment judges whether the tested equipment belongs to the local specialty or the distribution area and whether archive information exists or not through an HPLC central coordinator;
and after the comparison is successful, agreeing to the network access of the tested equipment, returning successful network access information of the tested equipment, and updating the network information to other edge gateway equipment in the network.
13. The system of claim 8, wherein the network entry process of the device under test comprises:
a business master station corresponding to the edge gateway equipment transmits the file of the tested equipment to the edge gateway equipment;
after discovering that the file information is updated, the edge gateway equipment sends the file of the tested equipment to other edge gateway equipment networked with the edge gateway equipment;
the method comprises the steps that an edge gateway device and other edge gateway devices networked with the edge gateway device send commands for scanning specified tested devices to all sub-nodes through an HPLC central coordinator according to a fixed period;
after receiving the command, the child node scans surrounding equipment;
the child node sends a network access command to the tested equipment after searching the tested equipment;
after receiving the network access command, the tested equipment carries equipment information and sends a network access request to the child node;
the child node forwards the network access request to the edge gateway equipment;
the edge gateway equipment analyzes the routing information of the tested equipment and sends the routing information of the tested equipment to the tested equipment;
and the tested device completes network access through the routing information.
14. The system of claim 8, wherein the edge gateway device is specifically configured to:
the method comprises the following steps: judging whether the network state is idle, if so, entering the step two, and if not, judging again after the preset time;
step two: inquiring whether the network states of other edge gateway devices in the network are idle, if so, entering the step three, otherwise, judging again after preset time;
step three: issuing a command to the tested equipment, and locking the resource occupation state so that the tested equipment returns data to the edge gateway equipment receiving the task after successfully executing the command;
step four: and after receiving the acquired task information, unlocking the resource state and completing the service.
15. A computer device, comprising: one or more processors;
the processor to store one or more programs;
the one or more programs, when executed by the one or more processors, implement the method of operation and network communication in a low-voltage station area of any of claims 1 to 7.
16. A computer-readable storage medium having stored thereon a computer program which, when executed, implements the method of operation and network communication in a low-voltage station area of any one of claims 1 to 7.
CN202210523331.8A 2022-05-13 2022-05-13 Operation and distribution network communication method and system in low-voltage transformer area Pending CN115021777A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117614134A (en) * 2023-11-28 2024-02-27 国网上海能源互联网研究院有限公司 Multi-CCO (Central office) platform collaborative networking method and system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117614134A (en) * 2023-11-28 2024-02-27 国网上海能源互联网研究院有限公司 Multi-CCO (Central office) platform collaborative networking method and system

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