CN215733127U

CN215733127U - Wisdom distribution measurement and control terminal based on internet of things

Info

Publication number: CN215733127U
Application number: CN202121912077.8U
Authority: CN
Inventors: 汪逸帆; 张君琦; 吴毅平; 田野; 邵云婷
Original assignee: Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Current assignee: Fuzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses an intelligent power distribution measurement and control terminal based on the technology of the Internet of things, which comprises an intelligent power distribution measurement and control terminal body and a fully-sealed metal case, wherein the intelligent power distribution measurement and control terminal body is fixedly connected inside the fully-sealed metal case, and a central processing unit and a communication concentrator are arranged inside the intelligent power distribution measurement and control terminal body. According to the utility model, the switch equipment, the sensor, the protection measurement and control terminal and the communication equipment are intelligently integrated, the intelligent functions of edge calculation acquisition, protection, control, communication and the like are integrated, the technology of the Internet of things is introduced, the online monitoring and control of the holographic data of the equipment in the station are realized, the conventional measurement and control of the electrical data such as voltage, current, power and the like are broken through, the application problems of accuracy, reliability and sustainability can be solved, and the low-cost and wide-coverage power distribution Internet of things sensing system is realized.

Description

Wisdom distribution measurement and control terminal based on internet of things

Technical Field

The utility model discloses an intelligent power distribution measurement and control terminal based on the technology of the Internet of things, and belongs to the technical field of electric power.

Background

In order to construct a first-class city power distribution network in the world with the aim of 'safe, reliable, high-quality, efficient, green, low-carbon and intelligent interaction', the power supply reliability target is required to be 99.99%, and the annual average power failure time of a user is not more than 70 minutes, so that extremely high requirements are provided for rapid processing of distribution network faults; however, the traditional manual line patrol fault troubleshooting and field power cut and transmission operation cannot meet the requirement of timeliness of fault processing, a fault point cannot be quickly positioned through a power distribution automation system, a fault section cannot be isolated, and non-fault area power transmission cannot be recovered through remote control, so that the power failure time of a user is long, the high real-time performance, the high reliability and the maintenance-free design cannot be achieved, and meanwhile, the universality is poor.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an intelligent power distribution measurement and control terminal based on the internet of things technology, and the intelligent power distribution measurement and control terminal is used for solving the problems that the prior art cannot meet the requirement of timeliness of fault treatment, cannot rapidly locate a fault point, isolate a fault section and remotely recover power transmission in a non-fault area through a power distribution automation system, causes long power failure time of a user, cannot achieve high real-time performance, high reliability and maintenance-free design, and is poor in universality.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a smart power distribution measurement and control terminal based on the Internet of things technology comprises a smart power distribution measurement and control terminal body, a fully-sealed metal case, a central processing unit, a communication concentrator, a signal indicator lamp and a handheld liquid crystal screen, wherein the smart power distribution measurement and control terminal body is fixedly connected inside the fully-sealed metal case, the smart power distribution measurement and control terminal body is designed in a plug-in mode, the central processing unit and the communication concentrator are arranged inside the smart power distribution measurement and control terminal body, the central processing unit is isolated from a signal input and output module through metal shielding, the signal indicator lamp is arranged on the outer side of the smart power distribution measurement and control terminal body 1, the connecting end of the central processing unit is provided with the handheld liquid crystal screen 6, and the central processing unit 3 can collect data monitored by each sensor and power equipment through the communication concentrator to communicate and display or modify the data through the handheld liquid crystal screen; the data can also be uploaded to an upper computer of the centralized control center; the intelligent power distribution measurement and control terminal provides various human-computer interface operation modes for users to select, and comprises a pluggable handset, various functional board cards and the like, the modules support a plurality of channels and various telecontrol protocols to operate simultaneously, each channel can flexibly configure the protocols, and the intelligent power distribution terminal can be freely accessed to a distribution network automatic scheduling platform and related intelligent equipment and provides various common protocols such as IEC 60870-5-101, IEC 60870-5-104, CDT, DNP3.0, MODBUS and the like; .

Preferably, a memory is arranged in the central processing unit and used for storing data collected by the communication concentrator and monitored by the power equipment, and the central processing unit can call the data in the memory.

Preferably, the handheld liquid crystal display can also modify and set system parameters, fixed values and control words on line, and can comprehensively master the functions of the equipment through the functions of remote signaling of the equipment, local testing of remote control functions, remote point alignment and the like.

Preferably, the central processing unit can be embedded with an intelligent algorithm, and the real-time analysis, diagnosis, positioning and judgment of the running state of the power distribution network are realized by utilizing edge calculation, mobile internet and mobile terminal technologies. The system parameters, the fixed values and the control words can be modified and set on line, and the functions of the equipment can be comprehensively mastered through the functions of remote signaling of the equipment, local testing of remote control functions, remote point alignment and the like.

Preferably, the length, width and depth of the intelligent power distribution measurement and control terminal body (1) are 170mm multiplied by 100mm multiplied by 80 mm.

Advantageous effects

Compared with the prior art, the intelligent power distribution measurement and control terminal based on the Internet of things technology has the following beneficial effects:

1. the intelligent power distribution measurement and control terminal adopts an intelligent algorithm, edge calculation, mobile internet and mobile terminal technologies are fully utilized to realize real-time analysis, diagnosis, positioning and judgment of the running state of the power distribution network, the operation intensity of operation and maintenance personnel is reduced, the latency of the running of the sub-health state of the equipment is shortened, the reaction time of the operation and maintenance personnel on equipment defects is prolonged, and the operation and maintenance efficiency is improved.

2. High real-time performance: according to the remote measurement and remote signaling information of the real-time operation of the distribution network automation system, various indexes of the automation terminal are analyzed and calculated, and key data influencing the indexes are found out. The method provides comprehensive monitoring service for users, and clearly masters the operation condition of each feeder line interval.

3. High reliability: the processor module and the signal input and output module are isolated by metal shielding, the anti-interference capability is strong, the electromagnetic compatibility can withstand severe electromagnetic environments such as high voltage, thunder and lightning, high-frequency signal interference and the like, the electromagnetic compatibility meets the harsh industrial standard, and the outdoor severe action condition is completely met;

4. the maintenance-free design: the system has a perfect self-checking function, finds out module abnormality and gives an alarm in time;

5. universality: and providing various human-computer interface operation modes for a user to select. But including handheld machine, various function integrated circuit boards of plug etc to adapt to different application demands, the module supports a plurality of passageways, the multiple telecontrol stipulations concurrent operation, and each passageway can the nimble configuration stipulations, inserts distribution network automation dispatch platform and relevant smart machine wantonly. Provides a plurality of common protocols such as IEC 60870-5-101, IEC 60870-5-104, CDT, DNP3.0, MODBUS and the like.

6. By adopting the RFID passive wireless temperature measurement mode, the defects of short service life and difficult battery replacement of the traditional battery-carried measurement are overcome. The currently used temperature measurement modes mainly include optical fiber temperature measurement, infrared temperature measurement, wireless active temperature measurement, wireless induction electricity taking temperature measurement and the like, and the temperature measurement modes have great limitation in application. The RFID temperature measurement technology has outstanding advantages in safety, high temperature resistance and anti-electromagnetic interference capability.

The method combines edge calculation, mobile internet and mobile terminal technology to realize real-time analysis, diagnosis, positioning and judgment of the running state of the power distribution network, thereby realizing high real-time performance, high reliability, maintenance-free design and improving universality; the method has unique advantages in the aspects of stability, flexible expansibility, multiple fault recognition, fusion of various communication interfaces and technologies, power management and the like, and can effectively solve a series of problems of blank monitoring and control, large difficulty in manual inspection, inaccurate fault point positioning and the like of the conventional ring main unit; and the functions of local monitoring, control and fault detection of the switch equipment are completed. Through data acquisition and analysis of the power distribution equipment and edge calculation, fault sensing and fault positioning are achieved, so that rapid isolation of a fault area and recovery power supply of a non-fault area are achieved, and power supply reliability is effectively improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of an intelligent power distribution measurement and control terminal based on the internet of things technology;

fig. 2 is a schematic diagram of the overall system structure of an intelligent power distribution measurement and control terminal based on the internet of things technology.

In the figure: 1 wisdom distribution measurement and control terminal body, 2 totally enclosed metal machine casees, 3 central processing unit, 4 communication concentrators, 5 signal indicator lamps, 6 handheld LCD screens.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

Referring to fig. 1 and fig. 2, the present invention provides an intelligent power distribution measurement and control terminal based on the internet of things technology, in which: including wisdom distribution measurement and control terminal body 1 and totally enclosed metal machine case 2 inside, its characterized in that of 1 fixed connection of wisdom distribution measurement and control terminal body at totally enclosed metal machine case 2: the intelligent power distribution measurement and control terminal body 1 is designed in a plug-in mode, a central processing unit 3 and a communication concentrator 4 are arranged in the intelligent power distribution measurement and control terminal body, the central processing unit is isolated from a signal input and output module through metal shielding, a signal indicator lamp 5 is arranged on the outer side of the intelligent power distribution measurement and control terminal body 1, a handheld liquid crystal screen 6 is arranged at the connecting end of the central processing unit 3, the central processing unit 3 can acquire data monitored by sensors and power equipment through the communication concentrator 4, the data can be displayed or modified through the handheld liquid crystal screen 6, and the data can also be uploaded to an upper computer of a centralized control center; the intelligent power distribution measurement and control terminal provides various human-computer interface operation modes for users to select, and comprises a pluggable handset, various functional board cards and the like, the modules support a plurality of channels and various telecontrol protocols to operate simultaneously, each channel can flexibly configure the protocols, and the intelligent power distribution terminal can be freely accessed to a distribution network automatic scheduling platform and related intelligent equipment and provides various common protocols such as IEC 60870-5-101, IEC 60870-5-104, CDT, DNP3.0, MODBUS and the like;

the processor 3 is internally provided with a memory 7 for storing data collected by the communication concentrator 4 and monitored by the power equipment, and the central processor 3 can also call the data in the memory 7.

The handheld liquid crystal screen 6 can also modify and set system parameters, fixed values and control words on line, and can comprehensively master the functions of the equipment through the functions of remote signaling of the equipment, local testing of remote control functions, remote point alignment and the like.

The processor 3 can be embedded with an intelligent algorithm, utilizes edge calculation, mobile internet and mobile terminal technology to realize real-time analysis, diagnosis, positioning and judgment of the running state of the power distribution network, can modify and set system parameters, fixed values and control words on line, and can comprehensively control the functions of the equipment through the functions of local test of remote signaling and remote control functions, remote point alignment and the like.

The length, width and depth of the intelligent power distribution measurement and control terminal body 1 are 170mm multiplied by 100mm multiplied by 80 mm.

When the intelligent power distribution measurement and control terminal is used, the intelligent power distribution measurement and control terminal adopts a plug-in design, and meanwhile, the limit of the compact space of the modern ring main unit is fully considered, so that the intelligent power distribution measurement and control terminal can be widely applied to places such as ring main units, switching stations and switching stations in a power distribution network; the back-hanging installation mode is adopted, so that the improvement of stock equipment is facilitated; compared with a conventional centralized DTU (digital television unit) which needs to be re-cabled to cause a centralized DTU screen cabinet, the intelligent distribution equipment measurement and control terminal based on the Internet of things technology can be dispersedly installed in each interval unit, so that investment is saved, reconstruction time is reduced, the on-site maintenance frequency of the equipment is considered to be low, the liquid crystal display screen is idle for a long time, and the liquid crystal display screen runs under the high-temperature and high-humidity environment for a long time, and the handheld liquid crystal display screen terminal is designed. And the handheld liquid crystal screen is accessed for use only under the conditions of on-site function checking and debugging. The design of the handheld liquid crystal display terminal is originally designed to reduce the maintenance cost of equipment, optimize interpersonal interaction capacity and strengthen the control capacity of the equipment, and the handheld liquid crystal display terminal is a visual display terminal which is one-to-many and convenient to carry and plays an important role in core control and man-machine interaction; besides truly reflecting the history and real-time status of the field device, the intelligent terminal can be debugged and controlled by opening and closing the intelligent terminal. Daily operation and maintenance personnel can directly and visually inquire historical events, telemetering data, the opening and closing amount and the equipment fixed value in real time through the handheld terminal, what you see is what you get, the operation and maintenance efficiency is improved, operation and maintenance personnel can conveniently and greatly maintain equipment. Besides the basic functions, professional maintainers can modify and set system parameters, fixed values and control words on line, and can comprehensively master the functions of the equipment through the functions of remote signaling of the equipment, local testing of remote control functions, remote point alignment and the like; in order to dynamically control the running state of an unattended power distribution station, the online monitoring and regulation of holographic data of equipment in the station are realized by applying the technology of the Internet of things, the conventional measurement and control of electrical data such as voltage, current and power are broken through, the intelligent terminal comprehensively integrates the three-dimensional monitoring and regulation of multiple data such as temperature, humidity, noise, gas, water level, security data and the like, the holographic sensing, quick response and active restoration capability of hidden danger of the power distribution network equipment is improved, and the power supply service quality is guaranteed; the device comprises a temperature sensor, a noise sensor, an office discharge sensor, an intelligent electric quantity terminal and the like, dynamic detection and intelligent analysis of operation information such as equipment conditions, joint temperature, cable temperature, high-voltage end office discharge trend, low-voltage load and the like of a transformer, a high/low-voltage switch cabinet and the like in a station are realized, and early warning and prejudgment of environment defect hidden dangers which endanger safe operation of a power distribution station and the like in the station are realized by applying the devices such as a temperature and humidity sensor, a water immersion sensor, an image sensor, an intelligent socket, an intelligent dust-free fan, an entrance guard sensor and the like.

The utility model solves the problems that the prior art can not meet the requirement of failure processing timeliness, can not rapidly position a failure point, isolate a failure section and remotely recover power transmission in a non-failure area through a power distribution automation system, so that the power failure time of a user is longer, the high real-time performance, the high reliability and the maintenance-free design can not be realized, and meanwhile, the universality is poorer; the method has unique advantages in the aspects of stability, flexible expansibility, multiple fault recognition, fusion of various communication interfaces and technologies, power management and the like, and can effectively solve a series of problems of blank monitoring and control, large difficulty in manual inspection, inaccurate fault point positioning and the like of the conventional ring main unit; and the functions of local monitoring, control and fault detection of the switch equipment are completed. Through data acquisition and analysis of the power distribution equipment and edge calculation, fault sensing and fault positioning are achieved, so that rapid isolation of a fault area and recovery power supply of a non-fault area are achieved, and power supply reliability is effectively improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an wisdom distribution measurement and control terminal based on internet of things, its structure includes wisdom distribution measurement and control terminal body (1), totally enclosed metal machine case (2), central processing unit (3), communication concentrator (4), signal indication lamp (5), handheld LCD screen (6), its characterized in that: wisdom distribution measurement and control terminal body (1) fixed connection be in inside totally enclosed metal machine case (2), wisdom distribution measurement and control terminal body (1) adopts plug-in components formula design, and its inside is equipped with central processing unit (3) with communication concentrator (4), central processing unit keeps apart with signal input output module metal shielding, wisdom distribution measurement and control terminal body (1) outside is equipped with signal indication lamp (5), the link of central processing unit (3) is equipped with handheld LCD screen (6), central processing unit (3) can pass through each sensor of communication concentrator (4) collection communicates with the data of power equipment control to show or modify through handheld LCD screen (6).

2. The intelligent power distribution measurement and control terminal based on the internet of things technology as claimed in claim 1, wherein: the central processing unit (3) is internally provided with a memory (7) for storing data collected by the communication concentrator (4) and monitored by the power equipment, and the central processing unit (3) can also call the data in the memory (7).

3. The intelligent power distribution measurement and control terminal based on the internet of things technology as claimed in claim 1, wherein: the handheld liquid crystal display (6) can also modify and set system parameters, fixed values and control words on line, and can comprehensively master the functions of equipment through the functions of remote signaling of the equipment, local testing of remote control functions, remote point alignment and the like.

4. The intelligent power distribution measurement and control terminal based on the internet of things technology as claimed in claim 1, wherein: the central processing unit (3) can be embedded with an intelligent algorithm, real-time analysis, diagnosis, positioning and judgment of the running state of the power distribution network are realized by utilizing edge calculation, mobile internet and mobile terminal technologies, system parameters, fixed values and control words can be modified and set on line, and the functions of the equipment can be comprehensively mastered through the functions of local test, remote point alignment and the like of remote signaling and remote control functions of the equipment.

5. The intelligent power distribution measurement and control terminal based on the internet of things technology as claimed in claim 1, wherein: the length, width and depth of the intelligent power distribution measurement and control terminal body (1) are 170mm multiplied by 100mm multiplied by 80 mm.