CN111327112B - Transformer substation auxiliary equipment monitoring system and method based on Internet of things - Google Patents
Transformer substation auxiliary equipment monitoring system and method based on Internet of things Download PDFInfo
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Abstract
The invention discloses a transformer substation auxiliary equipment monitoring system and method based on the Internet of things, which comprises the following steps: the on-site module is based on edge calculation and is used for respectively establishing data models according to the running state characteristics of various auxiliary equipment, importing various analyzed auxiliary equipment private protocol data into the data models for calculation and generating auxiliary equipment alarm signals; the intelligent gateway module is based on a message distribution mechanism and is used for receiving the information uploaded by the local module, establishing priority identifiers of a message queue to be sent according to the received information in a high-low sequence, and sending the message to be sent according to the size sequence of the priority identifiers; the monitoring module is based on a three-dimensional technology and is used for integrating three-dimensional models of a substation total station, a substation building and auxiliary equipment into monitoring module software; and the intelligent gateway module is used for receiving the message sent by the intelligent gateway module and carrying out data simulation on the three-dimensional model of the auxiliary equipment. The invention can provide effective monitoring means for the operation and maintenance personnel of the auxiliary equipment, improve the operation and maintenance efficiency and reduce the operation and maintenance cost.
Description
Technical Field
The invention belongs to the technical field of transformer substation monitoring systems, and particularly relates to a transformer substation auxiliary equipment monitoring system and method based on the Internet of things.
Background
With the development of transformer substation monitoring technology and internet of things technology, the intelligent monitoring requirements of operation and maintenance personnel on transformer substation auxiliary equipment are increasingly enhanced.
At present, auxiliary equipment of a transformer substation is various, and mainly comprises fire protection, security protection and the likeLine monitoring, environmental monitoring, SF6In the aspects of monitoring, lighting control, intelligent lock control and the like, the physical interfaces provided by equipment manufacturers have large differences, the adopted bottom layer communication protocols are different, the usability and the control strength of auxiliary equipment data are reduced due to the actual problems, the workload of operation and maintenance of an auxiliary equipment monitoring system is increased, and the popularization and the application of the system are not facilitated.
In summary, a new transformer substation auxiliary equipment monitoring system and method based on the internet of things are needed.
Disclosure of Invention
The invention aims to provide a transformer substation auxiliary equipment monitoring system and method based on the Internet of things, so as to solve one or more technical problems. The invention can provide effective monitoring means for the operation and maintenance personnel of the auxiliary equipment, improve the operation and maintenance efficiency and reduce the operation and maintenance cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a transformer substation auxiliary equipment monitoring system based on the Internet of things, which comprises a system architecture, wherein the system architecture comprises the following components:
the on-site module is based on edge calculation and is used for respectively establishing a data model according to the running state characteristics of various auxiliary equipment, importing various analyzed auxiliary equipment private protocol data into the data model for calculation and generating auxiliary equipment alarm signals; the data model comprises state data of auxiliary equipment, action signals of the relay, a threshold range of a measured value and an upper limit of relay action times;
the intelligent gateway module is used for receiving action signals, alarm signals and state data of the auxiliary equipment uploaded by the local module based on a message distribution mechanism, establishing priority identifiers of a message queue to be sent according to the information receiving sequence, wherein the priority identifiers are initially 0, and the priority identifiers are added with 1 every time the message queue to be sent is added, and the messages to be sent are sent out in a reverse order according to the size sequence of the priority identifiers;
the monitoring module is based on a three-dimensional technology and is used for integrating three-dimensional models of a substation total station, a substation building and auxiliary equipment into monitoring module software; the intelligent gateway module is used for receiving the information sent by the intelligent gateway module and carrying out data simulation on the three-dimensional model of the auxiliary equipment to realize monitoring of the auxiliary equipment of the transformer substation;
the on-site module, the intelligent gateway module and the monitoring module are interconnected and intercommunicated.
The invention has the further improvement that the on-site module is deployed at the equipment side of the safety II area of the transformer substation and is used for real-time communication with the intelligent gateway module through a dispatching data network; the intelligent gateway module is deployed in a transformer substation security II area and is used for communicating with a monitoring module front-end processor; the monitoring module is deployed in an operation and maintenance class, a local company or a higher unit safety II area and is used for accessing a plurality of substations in a district, providing a three-dimensional visual monitoring interface and realizing remote centralized monitoring of auxiliary equipment of the substations.
A further development of the invention consists in that the in-situ module is used in particular for:
(2.1) connecting the controller and the sensor of the auxiliary equipment in the transformer substation through an optical fiber interface;
(2.2) establishing various auxiliary equipment private protocol stacks, analyzing data of various private protocols in real time and storing the data in a local module flash memory;
(2.3) importing the data analyzed in the step (2.2) into a data model for calculation to generate an auxiliary equipment alarm signal;
(2.4) establishing a mapping relation between data models of various auxiliary equipment and a DL/T860 communication standard, and sending state data, action signals and alarm signal data of various auxiliary equipment to an intelligent gateway module in a DL/T860 communication message;
and (2.5) marking the state data, the action signals and the alarm signal data which are successfully transmitted.
A further improvement of the present invention is that the intelligent gateway module is specifically configured to:
(3.1) receiving and analyzing the state data, the action signals and the alarm signal data uploaded by the local module;
(3.2) establishing a to-be-sent message queue, writing the data received in the step (3.1) into the to-be-sent message queue, and establishing a priority identifier of the to-be-sent message queue according to the receiving sequence of the action signal, the alarm signal and the state data;
(3.3) establishing a protocol stack of a DL/T634.5104 communication standard, and sending the messages to be sent in the message queue to be sent to the monitoring module according to the size sequence of the priority marks; and removing the successfully sent messages from the message queue to be sent, writing the messages into the message log file to be sent for storage, and updating the priority identifier of the messages to be sent which are not successfully sent to the highest level.
A further improvement of the present invention is that the monitoring module is specifically configured to:
(4.1) carrying out three-dimensional modeling according to the positions and sizes of the transformer substation building and auxiliary equipment, and buttons, switches and signal entity parts of the transformer substation auxiliary equipment;
(4.2) receiving auxiliary equipment state data, action signals and alarm signal data reported by the intelligent gateway module, analyzing the received data, and writing the data into a real-time database and a historical database of the system;
(4.3) developing a three-dimensional plug-in of the transformer substation through a three-dimensional engine, importing a three-dimensional model of the transformer substation into a monitoring module interface based on a three-dimensional technology, and simulating data in a database on a three-dimensional model of auxiliary equipment; the three-dimensional engine is used for rendering a three-dimensional scene on a software interface, and realizing three-dimensional visual angles, rotation and button functions based on a C + + plug-in;
and (4.4) setting operation buttons and alarm prompts for various auxiliary equipment of the transformer substation on the interface of the monitoring module, wherein the operation buttons are used for issuing a transformer substation equipment action command in interface operation, and the alarm prompts are used for prompting the alarm state of the transformer substation equipment.
The invention discloses a transformer substation auxiliary equipment monitoring method based on the Internet of things, which comprises the following steps of:
The further improvement of the invention is that in the step 1, the method specifically comprises the following steps:
step 1.1, connecting a controller and a sensor of auxiliary equipment in a transformer substation through an optical fiber interface;
step 1.2, establishing various auxiliary equipment private protocol stacks, analyzing data of various private protocols in real time and storing the data in an in-situ module flash memory;
step 1.3, importing the data analyzed in the step 1.2 into a data model for calculation to generate an auxiliary equipment alarm signal;
step 1.4, establishing a mapping relation between data models of various auxiliary equipment and DL/T860 communication standards, and sending state data, action signals and alarm signal data of various auxiliary equipment to an intelligent gateway module in a DL/T860 communication message;
and step 1.5, marking the state data, the action signals and the alarm signal data which are successfully sent.
The further improvement of the invention is that in the step 2, the method specifically comprises the following steps:
step 2.1, receiving and analyzing the state data, the action signals and the alarm signal data uploaded by the local module;
step 2.2, establishing a queue of messages to be sent, writing the data received in the step 2.1 into the queue of messages to be sent, and establishing a priority identifier of the queue of messages to be sent according to the receiving sequence of the action signal, the alarm signal and the state data;
step 2.3, establishing a protocol stack of a DL/T634.5104 communication standard, and sending the messages to be sent in the message queue to be sent to the monitoring module according to the size sequence of the priority marks; and removing the successfully sent messages from the message queue to be sent, writing the messages into the message log file to be sent for storage, and updating the priority identifier of the messages to be sent which are not successfully sent to the highest level.
The further improvement of the invention is that in the step 3, the method specifically comprises the following steps:
step 3.1, performing three-dimensional modeling on buttons, switches and signal entity parts of the transformer substation auxiliary equipment according to the positions and the sizes of the transformer substation building and the auxiliary equipment;
step 3.2, receiving the auxiliary equipment state data, action signals and alarm signal data reported by the intelligent gateway module, analyzing the received data and writing the data into a real-time database and a historical database of the system;
3.3, developing a three-dimensional plug-in of the transformer substation through a three-dimensional engine, importing a three-dimensional model of the transformer substation into a monitoring module interface based on a three-dimensional technology, and simulating data in a database on the three-dimensional model of the equipment; the three-dimensional engine is used for rendering a three-dimensional scene on a software interface, and realizing three-dimensional visual angles, rotation and button functions based on a C + + plug-in;
and 3.4, setting operation buttons and alarm prompts for various auxiliary equipment of the transformer substation on the interface of the monitoring module, wherein the operation buttons are used for issuing a transformer substation equipment action command in interface operation, and the alarm prompts are used for prompting the alarm state of the transformer substation equipment.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the unification of the interfaces and protocols of the auxiliary equipment in the transformer substation is realized through the auxiliary equipment on-site module; data acquisition, operation monitoring, operation control and linkage control among auxiliary equipment in the auxiliary equipment transformer substation are realized through the transformer substation auxiliary equipment monitoring host. The intelligent early warning system is uniformly connected with various types of transformer substation auxiliary equipment, realizes intelligent early warning of the equipment, restores the application scene of monitoring of the auxiliary equipment through a three-dimensional technology, provides an effective monitoring means for operation and maintenance personnel of the auxiliary equipment, greatly improves operation and maintenance efficiency and reduces operation and maintenance cost.
In the invention, the auxiliary equipment data is transmitted to a city company or a centralized control center through the intelligent gateway, so that the remote centralized monitoring of the auxiliary equipment is realized.
In the invention, the monitoring module based on the three-dimensional technology receives monitoring data of substations in the jurisdiction, simulates the monitoring data and alarm information of the substations through the three-dimensional model, restores the running state of field equipment, provides visual monitoring pictures for operation and maintenance personnel at all levels, helps to locate problems and faults and improves operation and maintenance efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic diagram of a transformer substation auxiliary equipment monitoring system based on the internet of things according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an in-situ module processing principle based on edge calculation according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an intelligent gateway principle based on a message distribution mechanism in an embodiment of the present invention;
fig. 4 is a schematic diagram of a monitoring module based on a three-dimensional technology in the embodiment of the present invention.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following clearly and completely describes the technical solution of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention; it is to be understood that the described embodiments are only some of the embodiments of the present invention. Other embodiments, which can be derived by one of ordinary skill in the art from the disclosed embodiments without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1, a transformer substation auxiliary device monitoring system based on the internet of things according to an embodiment of the present invention includes: the edge computing-based on-site module, the message distribution mechanism-based intelligent gateway module and the three-dimensional technology-based monitoring module are interconnected and communicated to realize data sharing.
The on-site module based on edge calculation is deployed at the equipment side of the safe II area of the transformer substation, and the on-site module is communicated with the intelligent gateway based on a message distribution mechanism in real time through the existing dispatching data network of the transformer substation, and the effective gain is as follows: the access of the auxiliary equipment is realized on the premise of not needing large-scale transformation of a transformer substation network and the auxiliary equipment;
the intelligent gateway based on the message distribution mechanism is deployed in a transformer substation safety II area and used as an outlet for uploading transformer substation data, and is communicated with a monitoring module front-end processor based on a three-dimensional technology, and the effective gain is as follows: the throughput capacity of the intelligent gateway data is improved based on a message distribution mechanism, and the requirement of high real-time performance of auxiliary equipment monitoring data is met;
the monitoring module based on the three-dimensional technology is deployed in an operation and maintenance class, a local company or a higher unit safety II area and can access a plurality of substations in the district, so that the remote centralized monitoring of auxiliary equipment of the substation is realized.
Referring to fig. 2, preferably, the data processing steps of the in-place module based on edge calculation include:
(2.1) connecting the on-site module with a controller and a sensor of auxiliary equipment in the transformer substation through an optical fiber interface;
(2.2) establishing various auxiliary equipment private protocol stacks, analyzing data of various private protocols in real time, and storing the data in a local module flash memory;
(2.3) respectively establishing a data model according to the running state characteristics of various auxiliary equipment; the data model comprises state data of auxiliary equipment, action signals of the relay, a threshold range of a measured value and an upper limit of relay action times; importing the data analyzed in the step (2.2) into a data model for calculation to generate an auxiliary equipment alarm signal;
(2.4) establishing a mapping relation between data models of various auxiliary equipment and a DL/T860 communication standard, and sending state data, action signals and alarm signal data of the auxiliary equipment to the intelligent gateway based on the message distribution mechanism in a DL/T860 communication message;
(2.5) marking the state data, the action signals and the alarm signals which are successfully sent; optionally, the local module stores the sent data for one month, and the data is automatically overwritten after one month.
Referring to fig. 3, preferably, the data processing steps of the intelligent gateway based on the message distribution mechanism include:
(3.1) the intelligent gateway based on the message distribution mechanism receives and analyzes the state data, the action signals and the alarm signals uploaded by the local module based on the edge calculation;
(3.2) establishing a to-be-sent message queue, writing the received data in the (3.1) into the to-be-sent message queue, and establishing a priority identifier of the to-be-sent message queue according to the sequence of the action signal, the alarm signal and the state data;
(3.3) establishing a protocol stack of a DL/T634.5104 communication standard, sending the messages to be sent in the message queue to be sent to a monitoring module based on the three-dimensional technology according to the size sequence of the priority mark, removing the messages which are successfully sent from the message queue to be sent, writing the messages into a sent message log file for storage, and meanwhile, updating the priority mark to the highest level for the messages to be sent which are not successfully sent.
Optionally, the method further includes:
(3.4) the intelligent gateway based on the message distribution mechanism saves the sent log file for three months, and after three months, the log file is automatically covered.
Referring to fig. 4, the data processing steps of the monitoring module based on the three-dimensional technology include:
(4.1) establishing a three-dimensional model, and modeling according to the positions and sizes of the transformer substation building and equipment, and buttons, switches and signal entity components of the transformer substation equipment;
(4.2) the monitoring module based on the three-dimensional technology receives the auxiliary equipment state data, the action signals and the alarm signals reported by the intelligent gateway based on the message distribution mechanism, analyzes the data and writes the data into a real-time database and a historical database of the system;
(4.3) developing a three-dimensional plug-in of the transformer substation through a three-dimensional engine, importing a three-dimensional model of the transformer substation into a monitoring module interface based on a three-dimensional technology, and simulating data in a database on the three-dimensional model of the equipment;
and (4.4) setting operation buttons and alarm prompts for each transformer substation device on the monitoring module interface, wherein the operation buttons can directly issue the action commands of the transformer substation devices, and the alarm prompts obviously prompt the alarm states of the transformer substation devices.
In summary, the invention provides a transformer substation auxiliary equipment monitoring system and method based on the internet of things, which comprises an in-situ module based on edge calculation, an intelligent gateway based on a message distribution mechanism, and a monitoring module based on a three-dimensional technology; the on-site module based on edge calculation realizes unified access of various auxiliary devices of the transformer substation; the intelligent gateway based on the message distribution mechanism receives and forwards monitoring data and alarm information of the local module based on edge calculation, and realizes remote transmission of the data; the monitoring module based on the three-dimensional technology receives monitoring data of substations in the jurisdiction, simulates the monitoring data and alarm information of the substations through the three-dimensional model, restores the running state of field equipment, provides visual monitoring pictures for operation and maintenance personnel at all levels, helps to locate problems and faults, and improves operation and maintenance efficiency.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In the embodiment of the invention, a certain operation and maintenance team builds a transformer substation auxiliary equipment monitoring system based on the technology of the Internet of things, and the system deploys an on-site module at a transformer substation end for including SF6Multiple auxiliary equipment including monitoring is deployed at a substation end, an intelligent gateway based on a message distribution mechanism is deployed for receiving monitoring data and alarm information uploaded by an on-site module, a monitoring module based on a three-dimensional technology is deployed at an operation and maintenance class to realize real-time monitoring of the auxiliary equipment, the intelligent gateway, the monitoring data and the alarm information are all deployed in a safety II area, and a scheduling data network is used for scheduling the intelligent gatewayAnd realizing interconnection.
The local module is connected with the controller and the sensor of the auxiliary equipment, and the SF of the transformer substation is acquired through the Modbus RTU communication protocol6Monitoring the data of the device includes: SF6Concentration, oxygen concentration, sensor working state, sensor alarm state, fan start-stop control, and setting SF in the module6Concentration, oxygen concentration threshold range and maximum number of start and stop of the fan. The local module analyzes the data detected in real time, and generates a piece of alarm information if the data exceeds a threshold range or the maximum number of start-stop times.
And the intelligent gateway sets an alarm information priority identifier after acquiring the monitoring data and the alarm information, preferentially sends the alarm information to the auxiliary equipment monitoring system, and stores the sent message in a log file manner.
SF uploaded by intelligent gateway and received by monitoring module6Monitoring data and alarm information, simulating the monitoring data and the alarm information on a three-dimensional model of the auxiliary equipment, and simulating the SF6Simulating the concentration data and the influence range of the concentration exceeding the threshold value on a three-dimensional model, wherein on one hand, a button provided on an interface can directly issue a command to start a fan in the influence range, and on the other hand, the SF is used for simulating the fan in the influence range6And the alarm information of which the concentration exceeds the threshold value is highlighted in the light word board area.
In the embodiment of the invention, through the transformer substation auxiliary equipment monitoring system based on the internet of things technology, operation and maintenance personnel can find the alarm information of the transformer substation auxiliary equipment in the district in time in an operation and maintenance class office, and provide an emergency processing means, so that the operation and maintenance efficiency is improved, and the operation and maintenance risk is reduced.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application 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 application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. 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 means 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.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (3)
1. The utility model provides a transformer substation auxiliary equipment monitored control system based on thing networking which characterized in that, system architecture includes:
the on-site module is based on edge calculation and is used for respectively establishing a data model according to the running state characteristics of various auxiliary equipment, importing various analyzed auxiliary equipment private protocol data into the data model for calculation and generating auxiliary equipment alarm signals; the data model comprises state data of auxiliary equipment, action signals of the relay, a threshold range of a measured value and an upper limit of relay action times;
the intelligent gateway module is used for receiving action signals, alarm signals and state data of the auxiliary equipment uploaded by the local module based on a message distribution mechanism, establishing priority identifiers of a message queue to be sent according to the information receiving sequence, wherein the priority identifiers are initially 0, and the priority identifiers are added with 1 every time the message queue to be sent is added, and the messages to be sent are sent out in a reverse order according to the size sequence of the priority identifiers;
the monitoring module is based on a three-dimensional technology and is used for integrating three-dimensional models of a substation total station, a substation building and auxiliary equipment into monitoring module software; the intelligent gateway module is used for receiving the information sent by the intelligent gateway module and carrying out data simulation on the three-dimensional model of the auxiliary equipment to realize monitoring of the auxiliary equipment of the transformer substation;
the on-site module, the intelligent gateway module and the monitoring module are interconnected;
the in-situ module is specifically configured to:
(2.1) connecting the controller and the sensor of the auxiliary equipment in the transformer substation through an optical fiber interface;
(2.2) establishing various auxiliary equipment private protocol stacks, analyzing data of various private protocols in real time and storing the data in a local module flash memory;
(2.3) importing the data analyzed in the step (2.2) into a data model for calculation to generate an auxiliary equipment alarm signal;
(2.4) establishing a mapping relation between data models of various auxiliary equipment and a DL/T860 communication standard, and sending state data, action signals and alarm signal data of various auxiliary equipment to an intelligent gateway module in a DL/T860 communication message;
(2.5) marking the state data, the action signals and the alarm signal data which are successfully sent;
the intelligent gateway module is specifically configured to:
(3.1) receiving and analyzing the state data, the action signals and the alarm signal data uploaded by the local module;
(3.2) establishing a to-be-sent message queue, writing the data received in the step (3.1) into the to-be-sent message queue, and establishing a priority identifier of the to-be-sent message queue according to the receiving sequence of the action signal, the alarm signal and the state data;
(3.3) establishing a protocol stack of a DL/T634.5104 communication standard, and sending the messages to be sent in the message queue to be sent to the monitoring module according to the size sequence of the priority marks; the messages which are successfully sent are removed from the message queue to be sent, the messages are written into a message log file to be sent for storage, and the priority marks of the messages which are not successfully sent and are to be sent are updated to the highest;
the monitoring module is specifically configured to:
(4.1) carrying out three-dimensional modeling according to the positions and sizes of the transformer substation building and auxiliary equipment, and buttons, switches and signal entity parts of the transformer substation auxiliary equipment;
(4.2) receiving auxiliary equipment state data, action signals and alarm signal data reported by the intelligent gateway module, analyzing the received data, and writing the data into a real-time database and a historical database of the system;
(4.3) developing a three-dimensional plug-in of the transformer substation through a three-dimensional engine, importing a three-dimensional model of the transformer substation into a monitoring module interface based on a three-dimensional technology, and simulating data in a database on a three-dimensional model of auxiliary equipment; the three-dimensional engine is used for rendering a three-dimensional scene on a software interface, and realizing three-dimensional visual angles, rotation and button functions based on a C + + plug-in;
and (4.4) setting operation buttons and alarm prompts for various auxiliary equipment of the transformer substation on the interface of the monitoring module, wherein the operation buttons are used for issuing a transformer substation equipment action command in interface operation, and the alarm prompts are used for prompting the alarm state of the transformer substation equipment.
2. The substation auxiliary equipment monitoring system based on the Internet of things of claim 1,
the on-site module is deployed at the equipment side of a safety II area of the transformer substation and is used for real-time communication with the intelligent gateway module through a dispatching data network;
the intelligent gateway module is deployed in a transformer substation security II area and is used for communicating with a monitoring module front-end processor;
the monitoring module is deployed in an operation and maintenance class, a local company or a higher unit safety II area and is used for accessing a plurality of substations in a district, providing a three-dimensional visual monitoring interface and realizing remote centralized monitoring of auxiliary equipment of the substations.
3. A transformer substation auxiliary equipment monitoring method based on the Internet of things is characterized by comprising the following steps:
step 1, respectively establishing data models according to the running state characteristics of various auxiliary equipment based on edge calculation, importing various analyzed auxiliary equipment private protocol data into the data models for calculation, and generating auxiliary equipment alarm signals; the data model comprises state data of auxiliary equipment, action signals of the relay, a threshold range of a measured value and an upper limit of relay action times;
step 2, based on a message distribution mechanism, receiving action signals, alarm signals and state data of the auxiliary equipment uploaded by the local module, establishing priority identifiers of a message queue to be sent according to the information receiving sequence, wherein the priority identifiers are initially 0, and the priority identifiers are added with 1 every time the message priority identifiers are added, and the messages to be sent are sent out in a reverse order according to the size sequence of the priority identifiers;
step 3, integrating three-dimensional models of a substation total station, a substation building and auxiliary equipment into monitoring module software based on a three-dimensional technology; receiving a message sent by the intelligent gateway module, and performing data simulation on the three-dimensional model of the auxiliary equipment to realize monitoring of the auxiliary equipment of the transformer substation;
wherein, in the step 1, the method specifically comprises the following steps:
step 1.1, connecting a controller and a sensor of auxiliary equipment in a transformer substation through an optical fiber interface;
step 1.2, establishing various auxiliary equipment private protocol stacks, analyzing data of various private protocols in real time and storing the data in an in-situ module flash memory;
step 1.3, importing the data analyzed in the step 1.2 into a data model for calculation to generate an auxiliary equipment alarm signal;
step 1.4, establishing a mapping relation between data models of various auxiliary equipment and DL/T860 communication standards, and sending state data, action signals and alarm signal data of various auxiliary equipment to an intelligent gateway module in a DL/T860 communication message;
step 1.5, marking the state data, the action signals and the alarm signal data which are successfully sent;
in the step 2, the method specifically comprises the following steps:
step 2.1, receiving and analyzing the state data, the action signals and the alarm signal data uploaded by the local module;
step 2.2, establishing a queue of messages to be sent, writing the data received in the step 2.1 into the queue of messages to be sent, and establishing a priority identifier of the queue of messages to be sent according to the receiving sequence of the action signal, the alarm signal and the state data;
step 2.3, establishing a protocol stack of a DL/T634.5104 communication standard, and sending the messages to be sent in the message queue to be sent to the monitoring module according to the size sequence of the priority marks; the messages which are successfully sent are removed from the message queue to be sent, the messages are written into a message log file to be sent for storage, and the priority marks of the messages which are not successfully sent and are to be sent are updated to the highest;
in step 3, the method specifically comprises the following steps:
step 3.1, performing three-dimensional modeling on buttons, switches and signal entity parts of the transformer substation auxiliary equipment according to the positions and the sizes of the transformer substation building and the auxiliary equipment;
step 3.2, receiving the auxiliary equipment state data, action signals and alarm signal data reported by the intelligent gateway module, analyzing the received data and writing the data into a real-time database and a historical database of the system;
3.3, developing a three-dimensional plug-in of the transformer substation through a three-dimensional engine, importing a three-dimensional model of the transformer substation into a monitoring module interface based on a three-dimensional technology, and simulating data in a database on the three-dimensional model of the equipment; the three-dimensional engine is used for rendering a three-dimensional scene on a software interface, and realizing three-dimensional visual angles, rotation and button functions based on a C + + plug-in;
and 3.4, setting operation buttons and alarm prompts for various auxiliary equipment of the transformer substation on the interface of the monitoring module, wherein the operation buttons are used for issuing a transformer substation equipment action command in interface operation, and the alarm prompts are used for prompting the alarm state of the transformer substation equipment.
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