CN113746905A - Distributed intelligent sensing system and control method thereof - Google Patents
Distributed intelligent sensing system and control method thereof Download PDFInfo
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- CN113746905A CN113746905A CN202110923136.XA CN202110923136A CN113746905A CN 113746905 A CN113746905 A CN 113746905A CN 202110923136 A CN202110923136 A CN 202110923136A CN 113746905 A CN113746905 A CN 113746905A
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Abstract
The invention relates to a distributed intelligent sensing system which comprises an intelligent sensor device and an internet of things terminal device, wherein the intelligent sensor device directly performs acquisition, calculation, framing and wireless transmission on site, the internet of things terminal device performs access analysis, data classification and edge calculation on sensing data, and aggregated data and lightweight evaluation results are transmitted to an upper-level master station system such as an auxiliary control system. The intelligent sensing system provided by the invention cancels an acquisition unit, optimizes the system structure, realizes the acquisition and on-site analysis processing of on-site sensing equipment information by the Internet of things terminal device, simultaneously sends the processed information to the master station system, and realizes the modular design of each scene service by the Internet of things terminal device through the classified deployment of APP of different service functions, thereby realizing the flexible configuration of different service application scenes and realizing the functions of on-site acquisition, transmission and convergence of large-scale heterogeneous distribution network sensors.
Description
Technical Field
The invention relates to the technical field of online monitoring of power distribution network data, in particular to a distributed intelligent sensing system and a control method thereof.
Background
The novel power distribution network characterized by big data, internet of things, intellectualization and informatization has become the mainstream direction of power distribution network construction. The large-scale growth of the power distribution network scale and the increasingly complex operation environment greatly increase the comprehensive and timely perception requirements on the power distribution network equipment body and the environment state. The traditional power distribution network uses a station terminal (DTU), a distribution Transformer Terminal (TTU) and a Feeder Terminal (FTU) as main power distribution network operation monitoring and controlling means, and in the face of a novel power distribution network, how to acquire, transmit, assemble and analyze and diagnose large-scale heterogeneous distribution network sensors, and the key for realizing real-time sensing and intelligent diagnosis of power distribution network equipment is to construct a power distribution network intelligent sensing system.
Disclosure of Invention
Based on the above situation in the prior art, the present invention aims to provide a distributed intelligent sensing system and a control method thereof, wherein the system includes an intelligent sensor device and an internet of things terminal device, and realizes the functions of local acquisition, transmission and aggregation of large-scale heterogeneous distribution network sensors.
In order to achieve the above object, according to one aspect of the present invention, there is provided a distributed intelligent sensing system, including an intelligent sensor device and an internet of things terminal device; wherein,
the intelligent sensor device is connected with equipment to be acquired and used for acquiring, calculating and framing data and sending the framed data to the Internet of things terminal device;
one end of the Internet of things terminal device is connected with the intelligent sensor device, and the other end of the Internet of things terminal device is connected with the master station system and used for analyzing, classifying and calculating the edge of the received data and sending the result to the master station system.
Further, the intelligent sensor device comprises a sensor module, an acquisition control module, a power supply module, a communication module and a TEDS electronic form module.
Further, the TEDS electronic form module includes at least sensor module ID field information, code ID field information, and monitoring object ID field information.
Furthermore, the internet of things terminal device comprises a data acquisition module, a data preparation module, an analysis and diagnosis module and a data output module.
Further, the data preparation module analyzes, classifies and aggregates the monitored data according to the information of each field in the received TEDS electronic form module.
Further, the analysis and diagnosis module is used for carrying out analysis and diagnosis according to the monitored object and the data processed by the data preparation module.
Furthermore, the internet of things terminal device communicates with the master station system in a wired and/or wireless communication mode.
Furthermore, the intelligent sensor device is communicated with the internet of things terminal device in a wireless communication mode.
Furthermore, the intelligent sensor devices correspond to the devices to be acquired one by one, and a plurality of devices to be acquired correspond to one internet of things terminal device.
According to another aspect of the present invention, a control method for a distributed intelligent sensing system is provided, where the distributed intelligent sensing system includes an intelligent sensor device and an internet of things terminal device; the control method comprises the following steps:
the method comprises the steps that an intelligent sensor device is adopted to collect, calculate and frame data, and the framed data are sent to an internet of things terminal device;
and analyzing, classifying and calculating the edge of the received data by adopting the Internet of things terminal device, and uploading the result to the master station system. In summary, the present invention provides a distributed intelligent sensing system and a control method thereof, the system includes an intelligent sensor device and an internet of things terminal device, the intelligent sensor device directly performs on-site acquisition, calculation, framing and wireless transmission, the internet of things terminal device performs access analysis, data classification and edge calculation of sensing data, and the aggregated data and lightweight evaluation results are uploaded to an upper level master station system such as an auxiliary control system. Compared with the traditional power distribution network sensing system, the intelligent sensing system provided by the invention has the advantages that the acquisition unit is omitted, the system structure is optimized, data acquisition is put into the sensor, and the following beneficial technical effects can be achieved: 1) the intelligent sensor and the power distribution equipment are integrally designed, so that the interference caused in data transmission is reduced by on-site acquisition, calculation and framing; 2) physical connection is reduced, and damage to the acquisition equipment due to overvoltage and the like in the running process is avoided. The internet of things terminal device realizes the collection and the local analysis processing of local sensing equipment information, and simultaneously sends the processed information to the master station system, and the internet of things terminal device realizes the modular design of each scene service through the APP classified deployment of different service functions, thereby realizing the flexible configuration of different service application scenes, and realizing the functions of collecting, transmitting, converging and analyzing and diagnosing on the spot of a large-scale heterogeneous distribution network sensor.
Drawings
FIG. 1 is a schematic diagram of a conventional power distribution network sensing system architecture;
FIG. 2 is a schematic diagram of the configuration of the distributed intelligent sensing system of the present invention;
FIG. 3 is a block diagram of the construction of the smart sensor device;
fig. 4 is a block diagram of the configuration of the internet-of-things terminal apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings. The traditional power distribution network sensing system is generally composed of a sensor device for sampling distribution network equipment, an acquisition unit connected with the sensor device and used for acquiring and processing sampling data of the sensor device, and a monitoring device connected with the acquisition unit, wherein the monitoring device is connected with a main station system to upload monitoring data. The architecture of the conventional power distribution network sensing system is schematically shown in fig. 1, however, the following defects exist in the system:
1) the damage rate of secondary equipment such as an acquisition unit and the like is high due to strong electromagnetic interference of distribution equipment in the operation;
2) the protocol privatization between the acquisition unit and the monitoring device causes the difficulty of field operation and maintenance;
3) the reliability of data transmission is poor, so that the accuracy of subsequent diagnosis and analysis is not high.
According to an embodiment of the present invention, a distributed intelligent sensing system is provided, and a schematic configuration diagram of the system is shown in fig. 2, and includes an intelligent sensor device and an internet of things terminal device. Compared with the traditional power distribution network sensing system, the intelligent sensing system provided by the embodiment cancels the acquisition unit, and the intelligent sensor directly acquires, calculates, frames and wirelessly transmits the data. And the Internet of things terminal performs access analysis, data classification and edge calculation on the sensing data, and sends the aggregated data and the lightweight evaluation result to a superior master station such as an auxiliary control system. The structure of this system will be explained below.
The intelligent sensor device is connected with the equipment to be acquired and used for acquiring, calculating and framing data and sending the framed data to the Internet of things terminal device. The calculation is mainly used for carrying out preliminary calculation on the acquired equipment parameters, for example, the calculation is carried out to obtain data such as effective values and the like; framing is to add self-description information to the calculated data to form a data frame for transmission. Fig. 3 is a block diagram showing a configuration of an intelligent sensor device including a sensor module, an acquisition control module, a power supply module, a communication module, and a TEDS electronic form module. The acquisition control module is used for completing the calculation and framing of data. The TEDS electronic form module includes at least sensor module ID field information, code ID field information, and monitoring object ID field information. The intelligent sensor device can communicate with the Internet of things terminal device in a wireless communication mode. For example, wireless communication systems such as LORA, BLE, and ZIGBEE can be used. The intelligent sensor device sends monitoring data in a wireless mode, framing is usually composed of the monitoring data, a frame header, self-description information, a check code and the like, and the framed data needs to be sent together with the content of a TEDS electronic form. The TEDS electronic form is a core part of the information self-description of the intelligent sensor of the internet of things, contains the function description information of the sensor, and the content of the TEDS electronic form includes but is not limited to: sensor ID (manufacturer information + sensor version information), coding module ID, self-checking information, check code and the like. Table 1 shows the contents of the smart sensor TEDS spreadsheet.
TABLE 1 Intelligent sensor TEDS spreadsheet
One end of the internet of things terminal device is connected with the intelligent sensor device, the other end of the internet of things terminal device is connected with the main station system and used for analyzing received data, classifying data and performing edge calculation, and sending results to the main station system. The thing allies oneself with terminal installation has realized gathering, the on-the-spot analysis processing of changing perception equipment information on spot, and the information transmission after will handling simultaneously is to main website system, and the terminal carries out modular design with the APP classification deployment of different business functions with every kind of scene business and realizes, can realize the nimble configuration of different business application scenes. The configuration block diagram of the internet of things terminal device is shown in fig. 4, and the internet of things terminal device comprises a data acquisition module, a data preparation module, an analysis and diagnosis module and a data output module. And the data preparation module analyzes, classifies and aggregates the monitored data according to the received information of each field in the TEDS electronic form module. A data acquisition module of the Internet of things terminal device acquires measurement data of the intelligent sensor and information of a TEDS electronic form in a wireless mode, and a data preparation module analyzes self-description information of the TEDS electronic form, for example, firstly, monitored power distribution network equipment is determined according to ID information of a monitored object, then what monitoring type of sensor is determined according to ID field information of the sensor, and finally, a specific measurement position is determined according to ID field information of an encoding module. Classification and aggregation of monitoring parameters can be achieved through the three fields, aggregated data can be abstracted into a form structure, and a form of data classification and aggregation is shown in table 2.
Table 2 form for data classification aggregation
The thing allies oneself with terminal device can divide different APP modules with sensor ID, realizes the analysis and diagnosis in situ of single type sensing equipment monitoring information through the data structure after the polymerization, carries out lightweight's aassessment. Meanwhile, the comprehensive diagnosis APP of the equipment is divided by the ID of the monitoring object, so that the comprehensive evaluation and analysis of the body state of the power distribution equipment can be realized. The analysis and diagnosis module is used for processing the data sent by the intelligent sensor through the data preparation module and deploying related analysis and diagnosis apps in combination with monitoring parameters, monitoring objects and the like to analyze and diagnose the data, for example, for a distribution transformer area, the intelligent distribution transformer diagnosis and analysis apps can be called, and fault analysis and service life evaluation are carried out according to the monitoring parameters such as oil temperature, partial discharge and vibration. The analytical diagnosis of the other monitored parameters is similar thereto.
The internet of things terminal device can communicate with the master station system in a wired and/or wireless communication mode. If communicating with the master station system in a wireless manner, relevant information isolation is required. The configuration of the terminal device of the internet of things does not need to correspond to the equipment to be acquired of the distribution network one by one, and a plurality of equipment to be acquired can be processed by one terminal device of the internet of things in a certain range, for example, the radius of coverage of the terminal of the internet of things is within 500 meters.
According to another embodiment of the present invention, there is provided a control method of a distributed intelligent sensing system, the distributed intelligent sensing system including an intelligent sensor device and an internet of things terminal device; the control method comprises the following steps:
the method comprises the steps that an intelligent sensor device is adopted to collect, calculate and frame data, and the framed data are sent to an internet of things terminal device;
and analyzing, classifying and calculating the edge of the received data by adopting the Internet of things terminal device, and uploading the result to the master station system.
In summary, the present invention relates to a distributed intelligent sensing system and a control method thereof, the system includes an intelligent sensor device and an internet of things terminal device, the intelligent sensor device directly performs on-site acquisition, calculation, framing and wireless transmission, the internet of things terminal device performs access analysis, data classification and edge calculation of sensing data, and the aggregated data and lightweight evaluation results are uploaded to an upper level master station system such as an auxiliary control system. Compared with the traditional power distribution network sensing system, the intelligent sensing system provided by the invention has the advantages that the acquisition unit is omitted, the system structure is optimized, data acquisition is put into the sensor, and the following beneficial technical effects can be achieved: 1) the intelligent sensor and the power distribution equipment are integrally designed, so that the interference caused in data transmission is reduced by on-site acquisition, calculation and framing; 2) physical connection is reduced, and damage to the acquisition equipment due to overvoltage and the like in the running process is avoided. The internet of things terminal device realizes the collection and the local analysis processing of local sensing equipment information, and simultaneously sends the processed information to the master station system, and the internet of things terminal device realizes the modular design of each scene service through the APP classified deployment of different service functions, thereby realizing the flexible configuration of different service application scenes and realizing the functions of local collection, transmission and aggregation of large-scale heterogeneous distribution network sensors.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create 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.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting the protection scope thereof, and although the present invention has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that after reading the present invention, they can make various changes, modifications or equivalents to the specific embodiments of the present invention, but these changes, modifications or equivalents are within the protection scope of the appended claims.
Claims (10)
1. A distributed intelligent sensing system is characterized by comprising an intelligent sensor device and an Internet of things terminal device; wherein,
the intelligent sensor device is used for collecting, calculating and framing data and sending the framed data to the Internet of things terminal device;
one end of the Internet of things terminal device is connected with the intelligent sensor device, and the other end of the Internet of things terminal device is connected with the master station system and used for analyzing, classifying and calculating the edge of the received data and sending the result to the master station system.
2. The system of claim 1, wherein the smart sensor device comprises a sensor module, an acquisition control module, a power module, a communication module, and a TEDS electronic form module.
3. The system of claim 2, wherein the TEDS electronic form module includes at least sensor module ID field information, code ID field information, and monitoring object ID field information.
4. The system of claim 3, wherein the internet of things terminal device comprises a data acquisition module, a data preparation module, an analysis and diagnosis module and a data output module.
5. The system of claim 4, wherein the data preparation module parses and categorizes the monitored data based on the information of the fields in the received TEDS electronic form module.
6. The system of claim 5, wherein the analysis and diagnosis module is configured to perform analysis and diagnosis based on the data processed by the monitored subject and the data preparation module.
7. The system of claim 1, wherein the terminal device of the internet of things communicates with the master station system by wire and/or wireless communication.
8. The system of claim 1, wherein the smart sensor device communicates with the terminal device using wireless communication.
9. The system according to claim 1, wherein the intelligent sensor devices correspond to devices to be collected one by one, and a plurality of devices to be collected correspond to one of the internet of things terminal devices.
10. A control method of a distributed intelligent sensing system is characterized in that the distributed intelligent sensing system comprises an intelligent sensor device and an Internet of things terminal device; the control method comprises the following steps:
the method comprises the steps that an intelligent sensor device is adopted to collect, calculate and frame data, and the framed data are sent to an internet of things terminal device;
and analyzing, classifying and calculating the edge of the received data by adopting the Internet of things terminal device, and uploading the result to the master station system.
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