CN112186901A - Panoramic sensing monitoring method and system for transformer substation - Google Patents
Panoramic sensing monitoring method and system for transformer substation Download PDFInfo
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- CN112186901A CN112186901A CN202011069262.5A CN202011069262A CN112186901A CN 112186901 A CN112186901 A CN 112186901A CN 202011069262 A CN202011069262 A CN 202011069262A CN 112186901 A CN112186901 A CN 112186901A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/698—Control of cameras or camera modules for achieving an enlarged field of view, e.g. panoramic image capture
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention discloses a method and a system for monitoring panoramic sensing data of a transformer substation, wherein the method comprises the following steps: acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol, and converting the holographic data into a set uniform format; generating a data time label, binding the data time label with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time label in association with a preset keyword label; calculating the similarity of holographic data of the transformer substation based on the keyword label, and carrying out slicing grouping on the data according to the similarity; and creating nodes in the hierarchical structure of the transformer substation, forming an equipment tree, and binding holographic data in the transformer substation on each node. The invention realizes the trans-partition and trans-system data fusion of the transformer substation, solves the problems of more transformer substation monitoring systems and rampant data, and improves the working efficiency of patrolling and overhauling personnel.
Description
Technical Field
The invention relates to the technical field of remote monitoring of transformer substations, in particular to a transformer substation panoramic perception monitoring method and system.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Along with the development and progress of science and technology, the all-round control of transformer substation is accomplished through the auxiliary monitoring system, the integrated automation system, the on-line monitoring system, the robot system that patrols and examines, video monitoring system, fire extinguishing system, the integration electrical power generating system etc. of installing at the transformer substation among the prior art usually, guarantees the safety of transformer substation, avoids taking place the incident.
However, the inventor finds that the current substation remote monitoring technology still has the following technical problems:
(1) in the unattended substation mode, generally, only the on-duty personnel of the control center can see the operation data of the substation, and the operation and maintenance personnel and the maintainer can check the operation data and the alarm information on the monitoring system installed in the substation only after arriving at the site of the substation. Because the first-line staff is not timely in obtaining information, a large amount of time is generally wasted in backtracking historical alarm information and summarizing real-time operation information.
(2) The auxiliary monitoring system, the integrated automation system, the on-line monitoring system, the inspection robot system, the video monitoring system, the fire-fighting system, the integrated power system and the like need to respectively carry out data transmission with the master control center, however, the data acquired by the systems comprise sensor real-time monitoring data, image data, video streaming data, file data and the like, the data types uploaded to the master control center by each system are all inconsistent, the data format received by the master control center is complex, the follow-up data analysis is difficult to execute, and further the working efficiency of monitoring personnel of each system is reduced.
(3) The monitoring data are discrete, the data lack correlation, and the holographic data reproduction requirement of the substation equipment failure cannot be met; part of type data has no time label and cannot reflect the data change trend, so that basic data are provided for early warning of equipment; the method does not have a key information label, does not support multidimensional retrieval, and has low retrieval efficiency.
(4) Due to the limitation of communication channel bandwidth and data acquisition and display modes, the traditional monitoring technology cannot realize the acquisition and display of three-dimensional data, monitoring personnel on a platform layer in the city and the earth can not visually and comprehensively monitor the operation condition of a station end, and the substation still needs to be regularly patrolled.
Disclosure of Invention
In view of the above, the invention provides a method and a system for monitoring panoramic sensing of a transformer substation, which can realize integrated acquisition of panoramic sensing information of transformer substation data, perform scribing and data storage according to key information similarity, and realize one-key holographic reconstruction of fault time scenarios.
According to a first aspect of the embodiments of the present invention, a substation panoramic sensing monitoring method is provided, including:
acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol, and converting the holographic data into a set uniform format;
generating a data time label, binding the data time label with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time label in association with a preset keyword label;
calculating the similarity of holographic data of the transformer substation based on the keyword label, and carrying out slicing grouping on the data according to the similarity;
and creating nodes in the hierarchical structure of the transformer substation, forming an equipment tree, and binding holographic data in the transformer substation on each node.
According to a second aspect of the embodiments of the present invention, there is provided a substation panoramic sensing monitoring system, including:
the data acquisition module is used for acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol and converting the holographic data into a set uniform format;
the time tag binding module is used for generating a data time tag, binding the data time tag with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time tag in association with a preset keyword tag;
the data slicing and grouping module is used for calculating the similarity of holographic data of the transformer substation based on the keyword label and slicing and grouping the data according to the similarity;
and the data node creating module is used for creating nodes according to the hierarchical structure of the transformer substation, forming an equipment tree and binding holographic data in the transformer substation on each node.
According to a third aspect of the embodiments of the present invention, there is provided a terminal device, which includes a processor and a computer-readable storage medium, wherein the processor is configured to implement instructions; the computer readable storage medium is used for storing a plurality of instructions, and the instructions are suitable for being loaded by a processor and executing the substation panoramic perception monitoring method.
According to a fourth aspect of the embodiments of the present invention, there is provided a computer-readable storage medium, in which a plurality of instructions are stored, the instructions being adapted to be loaded by a processor of a terminal device and to execute the above-mentioned substation panoramic sensing monitoring method.
Compared with the prior art, the invention has the beneficial effects that:
(1) the transformer substation panoramic sensing monitoring data processing method is innovatively provided, a transformer substation panoramic fusion component model is built, the problems that a plurality of transformer substation monitoring systems exist and data are rambled are solved, transformer substation cross-partition and cross-system data fusion is achieved, and the work efficiency of inspection and maintenance personnel is improved.
(2) A transformer substation holographic data slicing method is innovatively provided, a fault data storage rule model is built, a self-explanatory panoramic data file is generated, the problems that historical data of a traditional transformer substation monitoring system are discrete and cannot be comprehensively inspected and analyzed are solved, transformer substation holographic data scribing storage is achieved, and mass information query speed is improved.
(3) The transformer substation remote live-action holographic exploration technology is creatively provided, the blank of site prediction of transformer substation maintainers is solved, the transformer substation remote exploration and three-dimensional display are realized, a transformer substation camera and an inspection robot can be controlled, real-time pictures of any position of the transformer substation are checked, and the instantaneity of fault handling is improved.
(4) The transformer substation equipment fault holographic reconstruction technology is innovatively provided, a one-key holographic reconstruction fault moment scenario model is designed, the problem that a maintainer cannot visually see the correlation between different data at a fault moment is solved, the data reconstruction of a transformer substation in a full scene, a full space-time, a full medium and full experience is realized, and the working efficiency of the maintainer is improved.
(5) The data transmission protocol and the monitoring data uniform format suitable for each monitoring system of the transformer substation are designed, the problems that the number of the monitoring systems of the transformer substation is large and data is rambled are solved, the integrated acquisition of the panoramic sensing information of the transformer substation is realized, and the working efficiency of patrolling and overhauling personnel is improved.
(6) The panoramic monitoring technology for the running state of the substation equipment is innovatively provided, a video channel and measurement alarm data channel separation framework is designed, the problems of data congestion, data loss and mutual interference when the video monitoring data and the real-time measurement information share a channel are solved, the integrity of the running state data of the substation equipment is realized, and the panoramic monitoring accuracy of the substation is improved.
(7) The real-time panoramic monitoring method is innovatively provided, the three-dimensional panoramic picture and video real-time transmission technology is designed, the problem that monitoring means of operators are not intuitive is solved, panoramic data transmission and unattended operation of a transformer substation are achieved, and intuition and comprehensiveness of evaluation of the operation state of transformer substation equipment are improved.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a substation panoramic sensing data monitoring system according to an embodiment of the invention;
fig. 2 is a flow chart of a panoramic sensing monitoring method for a transformer substation according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a unified data format according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a substation equipment tree structure according to an embodiment of the present invention;
fig. 5 is a diagram illustrating a data transmission process of channel separation according to an embodiment of the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example one
According to an embodiment of the present invention, an embodiment of a substation panoramic sensing monitoring method is provided, where the method is based on a monitoring system shown in fig. 1, and includes: and the monitoring unit is respectively connected with all transformer substation monitoring systems such as a comprehensive automation system, an auxiliary monitoring system, a video monitoring system, a patrol robot system, an online monitoring system and the like in the transformer substation, and can acquire all monitoring data in the transformer substation.
Referring to fig. 2, the method for monitoring the panoramic sensing of the transformer substation specifically includes the following steps:
step (1): acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol, and converting the holographic data into a set uniform format;
specifically, each monitoring subsystem in the transformer substation refers to an existing integrated automation system, an auxiliary monitoring system, a video monitoring system, an inspection robot system, an online monitoring system and the like in the transformer substation.
And a TCP communication protocol is adopted between the monitoring unit and the substation monitoring subsystem to establish connection, and specifically, the port number is 3020. All the transformer substation monitoring subsystems are used as server sides to be uploaded, the monitoring unit sides are used as client side parts to actively establish connection, the monitoring unit sides send handshake messages, respond to heartbeat information, ask for full data, and passively receive the uploaded data. The monitoring unit receives data uploaded by the substation panoramic monitoring subsystem, processes and analyzes the data, and judges whether data abnormity exists or not so as to find out places which do not accord with the standard in the substation panoramic monitoring information and avoid polling accidents.
The process that the substation monitoring subsystem uploads data to the master control center adopts a set communication protocol. The set communication protocol includes an information header and an information body, the information header defines information such as a data source address, a destination address, and a transmission data length, and specifically includes a 6-byte fixed byte value, a 2-byte source address, a 2-byte destination address, a 1-byte interactive type, a 1-byte frame type, a 2-byte length, and a 2-byte data number in this embodiment; the information body defines different structure body types according to different types of data, and the structure body comprises a number and related information of the data type.
In this embodiment, the structure type defining the device state includes a number, a device address, a network communication state, a device operation state, and a device initialization state; the structure type for defining the process state of the device comprises a number, a process id, a process name, a utilization rate and a memory utilization rate; defining the structure type of the RtData real-time data information, wherein the structure type comprises a number, a value, quality information, time information, uploading reason information, type information, control mode information and alarm bit information; the structure type of the defined file data comprises a number, a file type, a file name, a file size, a file index number and a file time. The header and body portions are defined as follows:
the header defining section:
a: 6 byte fixed byte value
B:2 byte source address
C2 byte destination address
D: 1 byte interaction type
E1 byte frame type
F: 2 bytes long
G: number of 2 bytes of data
Information body definition section:
defining different structure types according to different types of data, including: device status, process status, real-time data, and file data; the structure of the device state comprises a number, a device address, a network communication state, a device running state and a device initialization state; the structure of the process state comprises a number, a process id, a process name, a utilization rate and a memory utilization rate; the structure body of the real-time data comprises a number, a value, quality information, time information, uploading reason information, type information, control mode information and alarm bit information; the structure of the file data includes a number, a file type, a file name, a file size, a file index number, and a file time.
By configuring the data structure of the communication protocol, the protocol contains key information of different types of data, and has a uniform data structure, which is beneficial to subsequent formatting of different types of data.
Converting the received monitoring data into a set uniform format;
the set unified format is a Key-value format, and the embodiment analyzes the common characteristics of the transmitted data, and analyzes the data processing into two parts, as shown in fig. 3, a Key part: a data index point number having globally unique attributes; value part: the data attribute part contains some static attribute information of the data, such as value, quality, time, measuring point type, reason, control mode and other information.
The key value generation method comprises the following steps: a unique identification code is defined for each data type, for example 0: representing device state type data, 1: representing process state type data, 2: representing the Rtdata real-time data type, 3: representing a file data type; and generating a key value by combining the number information in the structural body based on the unique identification code.
In this embodiment, the key value is defined as: "data type identification code _ number", such as: the key with the device status type data number 1 is "0 _ 1".
As an optional implementation manner, after the format of the monitoring data is unified, the monitoring data is classified and stored according to the data type.
And respectively creating four temporary Map files of video monitoring, an online monitoring Map, alarm information and an operation curve according to the acquired data types, and respectively storing the traversed video channel number and preset bit information, the file name of the online monitoring Map, the remote signaling and remote measuring alarm information and the current-voltage power curve of the integrated automation system.
Referring to fig. 1, the monitoring unit further communicates with the mobile terminal, and the temporary Map file of the alarm device is automatically pushed to the mobile terminal of the maintenance personnel after being aggregated.
And the mobile terminal calls an interface generation module to automatically generate a personalized display interface according to the data type contained in the Map file. Such as: for the video monitoring information, calling a video playing window, and training video channel preset points of playing equipment in turn; for the online monitoring map, calling a graph drawing window, and drawing the latest online monitoring map in real time; for the alarm information, calling a real-time alarm window, and displaying the latest remote signaling and remote measuring alarm information in a rolling manner; and for the operation curve, calling a curve graph window, and drawing the voltage, current, power and other electric quantity curves of the equipment in real time.
The different kinds of display interfaces can be integrated in a general display interface as a window component, so that 'one interface contains all key data'.
In addition, a time axis is designed on a heterogeneous data display interface of the mobile terminal, and a user can drag the time axis at will to select historical data at a certain moment. After a certain time is selected, the video window starts to play the video at the time; displaying the map file data at the moment by an online monitoring map; the alarm information displays the remote signaling and remote measuring alarm information at the moment; and the operation curve displays the switch position and the voltage and current information at the moment.
After the system automatically generates the display interface, a maintainer can see all information related to the fault equipment on the mobile terminal to perform preliminary fault judgment.
Step (2): generating a data time label, binding the data time label with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time label in association with a preset keyword label;
in this embodiment, the holographic data includes: static data and dynamic data; the static data comprises information such as nameplate parameters of primary and secondary equipment in the transformer substation, maintenance plans and the like, the dynamic data is dynamic data acquired in the transformer substation in real time, such as four-remote data, video data and the like, and the data types relate to analog quantity, state quantity, streaming media and the like.
The time label of the dynamic data is the time when the data is generated, and the time label of the static data can be the time when the data is generated or the time label appointed when the data is recorded.
The keyword tag comprises information such as a monitoring object and a triggering condition, is automatically generated when data is generated, and can be manually marked subsequently according to application requirements.
When the data are stored, each piece of stored data is defined as metadata, each piece of metadata comprises three dimensional information of a time label, a keyword label and value data, and the time change trend of the data is provided. The metadata adopts multi-label identification, supports multi-dimensional key information retrieval, and enhances the correlation among data.
After the transformer substation holographic data are grouped according to the similarity slice, the method further comprises the following steps: and storing the holographic data of the same group of transformer substations into a position for mapping, and updating mapping information to a time scale key information table.
Meanwhile, the label data and the value data are stored in a separated mode, and the label data are added and used for storing search keyword information of the metadata and mapping information of the storage position.
And (3): calculating the similarity of holographic data of the transformer substation based on the keyword label, and carrying out slicing grouping on the data according to the similarity;
specifically, the calculation process of the similarity of the holographic data of the transformer substation is as follows:
and distributing corresponding weight values to the types of the keyword labels according to the keyword label retrieval frequency and the application range of the holographic data of the transformer substation, calculating the weight values through the consistency of the keyword labels, and establishing the similarity between the holographic data of each transformer substation.
In this embodiment, the key information tags of the data are searched and sorted, the data are sliced according to the key information similarity, and the data with the key information similarity are stored in a centralized manner. Meanwhile, a uniform data access interface can be provided, the required data can be returned according to the data access keywords, and the retrieval process is simplified.
And (4): and creating nodes in the hierarchical structure of the transformer substation, forming an equipment tree, and binding holographic data in the transformer substation on each node.
Specifically, referring to fig. 4, a unified device tree is established, nodes are created in a hierarchical structure of "substation-room-interval-device-measurement point", and integrated automation system data, auxiliary monitoring system data, online monitoring data, video monitoring channel preset bits, inspection robot inspection data and the like are bound to each node.
After a certain device gives an alarm, the system automatically finds the device node from the device tree and acquires all monitoring system data bound by the device node.
In addition to the device node, it is also necessary to find all monitoring system data of the node directly above and directly below. Such as:
a 10kV switchgear circuit breaker trips. The system first retrieves direct data for the circuit breaker, including: the remote signaling state of the circuit breaker, the temperature of the circuit breaker and the mechanical characteristic map file of the action of the circuit breaker. In addition, the system searches the switch cabinet to which the breaker belongs from the equipment tree, and retrieves the data of the switch cabinet, including: the inspection robot inspects inspection results, monitors partial discharge of the switch cabinet body, monitors visual monitoring pictures of the switch cabinet, and historical curves of electric quantities such as voltage, current and power of the line.
And respectively storing the data in Map files of corresponding types according to the acquired data types.
In some embodiments, fault slice data are intelligently retrieved and used as data materials for fault diagnosis and holographic data display, the association between data when a substation fault occurs is comprehensively analyzed, and a fault point is accurately positioned; through the data display and reduction of the fault occurrence process, the video/sound/light reappears the scene of the transformer substation for a period of time before and after the fault occurrence, so that the working personnel can return to the fault site as they are, and the function of assisting fault judgment is achieved.
The specific implementation process is as follows:
establishing a three-dimensional model of the transformer substation, configuring measuring points in the three-dimensional model, manufacturing the three-dimensional scene model of the transformer substation according to a proportion of 1:1 by using a polygon modeling technology, and binding the measuring points of online monitoring, remote measuring and remote signaling data with points on the three-dimensional model.
Receiving a fault checking request of a client; analyzing a fault command in the request, loading a three-dimensional data model of a corresponding fault and holographic data in a fault setting time period;
analyzing the fault according to the holographic data; and rendering a three-dimensional data model according to the type of the holographic data, and displaying the holographic data and the fault diagnosis result in a time dimension.
In other embodiments, the acquired substation video data and the acquired running state data are uploaded to the metro platform layer through a data channel and a video channel which are independently deployed.
Specifically, referring to fig. 5, the data transmission of the substation is divided into three levels, namely, a station control level monitoring system, a local platform level and a provincial platform level. The station control layer monitoring system, the local-city-level platform layer and the provincial-level platform layer are respectively deployed in a local transformer substation, a local-city company operation and maintenance room and a provincial company operation and maintenance room.
The station control layer monitoring system is the monitoring system shown in fig. 1 and composed of a monitoring unit and a monitoring subsystem. In the embodiment, the real-time data channel and the video channel are independently deployed, so that mutual interference is avoided. The data channel uses 100M and more bandwidth, and the video channel uses 1000M and more bandwidth.
The data channel is used for transmitting data information such as the running state of the substation equipment, and the video channel is used for transmitting video information such as the monitoring video of the substation.
The data information can be the running state data of the substation equipment acquired by the monitoring subsystem, and can also be a three-dimensional panoramic image; in a station control layer monitoring system, a panoramic camera is used for carrying out panoramic image shooting on main power equipment (such as a transformer, a disconnecting link, a circuit breaker and the like) to generate a three-dimensional panoramic image of the equipment. And on the basis, the nameplate information of the main equipment, the focal length of the camera, the position of the camera, the aperture, the size of the transformer and other parameters are added to generate a three-dimensional panoramic data file (binary file). The three-dimensional panoramic Data file, the three-dimensional coordinate Data corresponding to the collected physical position of the three-dimensional panoramic Data file and the associated camera ID are spliced and stored in a memory to form a panoramic Extended real-time Data Unit (PE-DU).
And compressing the real-time data unit of the panoramic expansion by adopting a lossless compression algorithm to generate compressed panoramic data so as to reduce the storage and transmission bandwidth of the panoramic picture and the data.
The video information is related video information in the transformer substation acquired by the monitoring subsystem.
And the station control layer monitoring system transmits the compressed panoramic data to the local platform layer database in a binary file format by using an expanded 104 protocol.
The local-city-level platform layer is used for storing and analyzing the received data, uploading real-time videos in the transformer substation to the provincial-level platform layer through a video channel, and uploading the analyzed running state of the equipment to the provincial-level platform through an alarm channel; wherein the alarm channel uses a data channel. For example: alert channel 100M bandwidth.
The metro platform serves as a data storage center to store real-time panoramic data, historical data and video data.
And decompressing the real-time data unit of the station control layer panoramic expansion by the local-level platform, restoring the panoramic image and the additional information, and storing the panoramic image and the additional information into a panoramic database. And classifying the received 104 messages according to the TI, performing data processing after classification, counting the remote signaling alarm information and the remote sensing information, and storing the remote signaling alarm information and the remote sensing information into a historical database.
The prefecture-level platform is provided with a display screen, input equipment and output equipment, and the received panoramic information and the panoramic image information in the panoramic database are superposed to generate a real-time panoramic picture, and the real-time panoramic picture is analyzed and displayed.
Wherein the analysis functions include: counting the alarm times of the equipment, measuring the out-of-limit times of the telemetering quantity value, evaluating the running state of the equipment by taking the alarm times and the out-of-limit times of the telemetering quantity as indexes, and generating a report regularly. The display function includes: and setting an 'operation state' sub-page on the monitoring picture, and displaying the evaluation result of the equipment operation condition in a three-dimensional mode in real time when a user clicks, so as to distinguish the equipment operation condition by colors. When the mouse is moved to the corresponding equipment, the evaluation result and the basis can be displayed.
And the local-level platform uploads the analyzed equipment running state to the provincial-level platform through an alarm channel, and a data transmission format adopts a 476 protocol.
And the city platform layer displays the received video image on a large screen. The video image is used for alarm verification.
The provincial platform layer is provided with a display screen, input equipment and output equipment, and displays the received equipment alarm information and the real-time video.
As an optional implementation mode, a maintainer can manually call a camera and a transformer substation inspection robot in a station through a mobile terminal to reach a designated position, and take a picture to upload, so that the transformer substation remote inspection is realized.
The maintainer tentatively judges the regional back of equipment that needs the maintenance, through mobile terminal, combines the regional intrusion detection function of video camera of transformer substation, opens the intrusion detection to the maintenance region to realize protecting in advance and overhaul the scene, in order to avoid other personnel maloperation faulty equipment.
The technical solution of the present embodiment yields the following advantages:
(1) the transformer substation panoramic monitoring data processing technology is innovatively provided, a transformer substation panoramic fusion component model is built, transformer substation cross-partition and cross-system data fusion is achieved, the transformer substation panoramic monitoring data processing technology comprises an auxiliary monitoring system, a comprehensive automation system, an online monitoring system, a patrol robot system, a video monitoring system, an integrated power supply system, a fire-fighting system and the like, the problems that the number of transformer substation monitoring systems is large, data is ramparts are solved, and the work efficiency of patrol and overhaul personnel is improved.
(2) Provides a substation panoramic monitoring data hierarchical configuration processing technology, realizes the integrated acquisition of the substation data panoramic perception information, designs a data transmission protocol and a monitoring data uniform format which are suitable for each monitoring system of the substation, so that different types of data from different monitoring systems can all be collected in the same data structure, and is stored in a uniform target data format, thereby realizing the format conversion of a large amount of different types of data, solving the problems of more transformer substation monitoring systems, and the data has the problem of barrier, and the transformer substation monitoring system comprises an auxiliary monitoring system, a comprehensive automation system, an online monitoring system, an inspection robot system, a video monitoring system, an integrated power supply system, a fire-fighting system and the like, so that the working efficiency of inspection and overhaul personnel is improved, and the efficiency of data analysis on the data of each subsystem in the follow-up process of the master control system is improved.
(3) Forming an equipment tree according to the hierarchical structure of the transformer substation, and binding monitoring data in the transformer substation on each node; the method has the advantages that the holographic data can be traversed by aiming at fault equipment, the integrated acquisition of the panoramic sensing information of the substation data is realized, the problems that a plurality of substation monitoring systems exist and the data is rambled are solved, and the data fusion of the substation across partitions and systems is realized.
(4) The panoramic monitoring technology for the running state of the substation equipment with separated channels is innovatively provided, the panoramic perception defect diagnosis method for the substation is designed, the comprehensive judgment of the running condition of the substation equipment is realized, and the intelligent level of the defect diagnosis of the substation is improved.
(5) The transformer substation remote live-action holographic exploration technology is provided, a customized display interface can be automatically generated according to the data type of the fault equipment, and remote mobile one-screen display and three-dimensional display of key information are realized; in addition, the maintainer can realize the interior scene control of transformer substation in a long-range way, can effectively protect the fault scene, knows the on-the-spot up-to-date data of fault at any time, strives for the time for the maintenance work, promotes maintenance work achievement.
(6) The provided transformer substation equipment fault holographic reconstruction technology has the advantages that video and sensing data are stored for a period of time before and after a fault, and a maintainer reproduces the fault situation in a one-key holographic manner, so that the problems that the maintainer cannot comprehensively call data at the fault moment and the fault point is not well positioned are solved, the data reconstruction of a transformer substation in a full scene, a full space-time, a full medium and full experience is realized, and the working efficiency of the maintainer is improved.
(7) The fault data slicing technology is innovatively provided, scribing and storing are carried out on data storage according to the similarity of key information, and the mass information query speed is improved; the method supports multi-dimensional data retrieval, enhances the relevance among data and provides basic data for data mining; the time sequence data retrieval is supported, the variation trend of the data can be provided, and the data support is provided for the subsequent functions of accident early warning, equipment operation and inspection and the like.
Example two
According to an embodiment of the present invention, an embodiment of a panoramic sensing monitoring system for a transformer substation is provided, including:
the data acquisition module is used for acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol and converting the holographic data into a set uniform format;
the time tag binding module is used for generating a data time tag, binding the data time tag with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time tag in association with a preset keyword tag;
the data slicing and grouping module is used for calculating the similarity of holographic data of the transformer substation based on the keyword label and slicing and grouping the data according to the similarity;
and the data node creating module is used for creating nodes according to the hierarchical structure of the transformer substation, forming an equipment tree and binding holographic data in the transformer substation on each node.
In another embodiment, the method further comprises:
the data storage module is used for storing the transformer substation monitoring data in a classified manner according to the data types;
the holographic data display module is used for loading a three-dimensional data model of a corresponding fault and holographic data in a fault setting time period after receiving a fault checking request; rendering a three-dimensional data model according to the type of the holographic data, and displaying the holographic data and the fault diagnosis result in a time dimension;
and the data transmission module is used for uploading the acquired video data and the acquired running state data of the transformer substation to the metro platform layer through the independently deployed data channel and the independently deployed video channel.
It should be noted that the specific implementation manner of each module in the system is implemented by the method in the first embodiment, and is not described again.
EXAMPLE III
In one or more embodiments, a terminal device is disclosed, which includes a server, where the server includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the substation panoramic sensing monitoring method in the first embodiment. For brevity, no further description is provided herein.
It should be understood that in this embodiment, the processor may be a central processing unit CPU, and the processor may also be other general purpose processors, digital signal processors DSP, application specific integrated circuits ASIC, off-the-shelf programmable gate arrays FPGA or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, and so on. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory may include both read-only memory and random access memory, and may provide instructions and data to the processor, and a portion of the memory may also include non-volatile random access memory. For example, the memory may also store device type information.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (20)
1. A panoramic sensing monitoring method for a transformer substation is characterized by comprising the following steps:
acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol, and converting the holographic data into a set uniform format;
generating a data time label, binding the data time label with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time label in association with a preset keyword label;
calculating the similarity of holographic data of the transformer substation based on the keyword label, and carrying out slicing grouping on the data according to the similarity;
and creating nodes in the hierarchical structure of the transformer substation, forming an equipment tree, and binding holographic data in the transformer substation on each node.
2. The substation panoramic perception monitoring method of claim 1, further comprising: after the equipment in the transformer substation gives an alarm, the node of the equipment and all data bound by the node are automatically found from the equipment tree, and all data bound by a direct superior node and a direct subordinate node of the equipment node are traversed.
3. The substation panoramic perception monitoring method of claim 1, further comprising:
after receiving a fault checking request, loading a three-dimensional data model of a corresponding fault and holographic data in a fault setting time period;
and rendering a three-dimensional data model according to the type of the holographic data, and displaying the holographic data and the fault diagnosis result in a time dimension.
4. The substation panoramic perception monitoring method according to claim 3, characterized in that a substation three-dimensional model is built, measuring points are configured in the three-dimensional model, the substation is made into a three-dimensional scene model according to a set proportion by using a polygon modeling technology, and the measuring points for online monitoring, remote measuring and remote signaling data are bound with points on the three-dimensional model.
5. The substation panoramic perception monitoring method according to claim 1, wherein the set communication protocol includes a header and an information body, wherein the information body records the number of the monitoring data and related information of the data type; the header defines a source address, a destination address, an interaction type, a frame type, a data length, and a data number of the monitoring data.
6. The substation panoramic perception monitoring method according to claim 5, wherein the data types include device status, process status, real-time data and file data.
7. The substation panoramic perception monitoring method according to claim 6, wherein the structure of the device state includes a number, a device address, a network communication state, a device operation state, and a device initialization state; the structure of the process state comprises a number, a process id, a process name, a utilization rate and a memory utilization rate; the structure body of the real-time data comprises a number, a value, quality information, time information, uploading reason information, type information, control mode information and alarm bit information; the structure of the file data includes a number, a file type, a file name, a file size, a file index number, and a file time.
8. The substation panoramic perception monitoring method according to claim 1, wherein the unified setting format is a Key-Value format; and the Value corresponds to the related information content of the data type belonging to the structure body.
9. The substation panoramic perception monitoring method according to claim 1, wherein the holographic data comprises static data and dynamic data monitored in the substation.
10. The substation panoramic perception monitoring method according to claim 1, wherein the calculating of the similarity of the substation holographic data based on the keyword tag specifically includes:
and distributing corresponding weight values to the types of the keyword labels according to the keyword label retrieval frequency and the application range of the holographic data of the transformer substation, calculating the weight values through the consistency of the keyword labels, and establishing the similarity between the holographic data of each transformer substation.
11. The substation panoramic sensing monitoring method of claim 1, wherein after the substation holographic data is grouped according to similarity slices, the method further comprises: and storing the holographic data of the same group of transformer substations into a position for mapping, and updating mapping information to a time scale key information table.
12. The substation panoramic perception monitoring method according to claim 1, wherein the keyword tag is monitoring object information or triggering condition information.
13. The substation panoramic perception monitoring method of claim 1, further comprising: creating a temporary Map file for respectively storing a video channel number and preset information, an online monitoring Map file name, remote signaling and remote monitoring alarm information and an integrated current voltage power curve, and automatically generating an individualized display interface according to the data type contained in the temporary Map file.
14. The substation panoramic perception monitoring method of claim 1, further comprising: and uploading the acquired video data and the acquired running state data of the transformer substation to a city platform layer through a data channel and a video channel which are independently deployed.
15. The substation panoramic perception monitoring method according to claim 14, wherein the metro platform layer stores and analyzes received data, uploads real-time videos in the substation to the provincial platform layer through a video channel, and uploads analyzed running states of equipment to the provincial platform through an alarm channel; wherein the alarm channel uses a data channel.
16. The substation panoramic perception monitoring method according to claim 1, characterized in that a camera or a substation inspection robot in the substation is called to acquire images of a set position, and remote inspection in the substation is achieved.
17. A transformer substation panoramic perception monitoring system is characterized by comprising:
the data acquisition module is used for acquiring holographic data transmitted by each monitoring subsystem in the transformer substation according to a set communication protocol and converting the holographic data into a set uniform format;
the time tag binding module is used for generating a data time tag, binding the data time tag with the holographic data of the transformer substation, and storing the holographic data of the transformer substation with the time tag in association with a preset keyword tag;
the data slicing and grouping module is used for calculating the similarity of holographic data of the transformer substation based on the keyword label and slicing and grouping the data according to the similarity;
and the data node creating module is used for creating nodes according to the hierarchical structure of the transformer substation, forming an equipment tree and binding holographic data in the transformer substation on each node.
18. The substation panoramic perception monitoring system of claim 17, further comprising:
the data storage module is used for storing the transformer substation monitoring data in a classified manner according to the data types;
the holographic data display module is used for loading a three-dimensional data model of a corresponding fault and holographic data in a fault setting time period after receiving a fault checking request; rendering a three-dimensional data model according to the type of the holographic data, and displaying the holographic data and the fault diagnosis result in a time dimension;
and the data transmission module is used for uploading the acquired video data and the acquired running state data of the transformer substation to the metro platform layer through the independently deployed data channel and the independently deployed video channel.
19. A terminal device comprising a processor and a computer-readable storage medium, the processor being configured to implement instructions; a computer readable storage medium for storing a plurality of instructions, wherein the instructions are adapted to be loaded by a processor and to perform the substation panoramic sensing monitoring method of any one of claims 1-16.
20. A computer readable storage medium having stored therein a plurality of instructions, wherein the instructions are adapted to be loaded by a processor of a terminal device and to perform the substation panoramic awareness monitoring method of any one of claims 1-16.
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