CN108548567A - A kind of transmission line online monitoring system with temperature monitoring - Google Patents

A kind of transmission line online monitoring system with temperature monitoring Download PDF

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Publication number
CN108548567A
CN108548567A CN201810770250.1A CN201810770250A CN108548567A CN 108548567 A CN108548567 A CN 108548567A CN 201810770250 A CN201810770250 A CN 201810770250A CN 108548567 A CN108548567 A CN 108548567A
Authority
CN
China
Prior art keywords
temperature
monitoring
transmission line
electricity
terminal handler
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810770250.1A
Other languages
Chinese (zh)
Inventor
黄耀升
余占清
牟亚
梁海蓬
王晓蕊
甄志明
温带银
曾嵘
耿屹楠
庄池杰
胡军
何金良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Tsinghua University
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Tsinghua University
Priority to CN201810770250.1A priority Critical patent/CN108548567A/en
Publication of CN108548567A publication Critical patent/CN108548567A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The invention discloses a kind of transmission line online monitoring systems with temperature monitoring, including data monitoring device, data acquisition device, wireless communication apparatus, terminal handler, the data monitoring device is connected with data acquisition device, and the data acquisition device can send data to the terminal handler;The terminal handler can carry out fault pre-alarming when Sudden Changing Rate occurs in the conductor wire temperature digital amount signal of real-time reception, if and/or transmission line of electricity break down when, the terminal handler can according to transient state digital quantity signal to transmission line of electricity carry out crash analysis.The system carries out monitoring in real time to carry out accident early warning to the environment around temperature of electric transmission line and transmission tower, and its transient signal can be used for crash analysis, so as to be effectively prevented from the deterioration of field accident, and for the repair based on condition of component work of transmission line of electricity provide necessary reference.

Description

A kind of transmission line online monitoring system with temperature monitoring
Technical field
The present invention relates to power supply technique fields, and system is monitored on-line more particularly to a kind of transmission line of electricity with temperature monitoring System.
Background technology
Intelligent grid tide have swepts the globe in recent years, it has also become current low-carbon, the development of high-efficiency and economic epoch global energy and One of the Major Strategic behave of the great research topic and countries in the world energy industry sustainable development changed.With intelligence The development of power grid, between the following 10-20, the links of China's power grid will be all among major transformation.Sensor technology is Realize the key of intelligent grid monitoring, control, the basis of analysis and decision and intelligent grid development.
Invention content
In view of this, the purpose of the present invention is to provide a kind of transmission line online monitoring system with temperature monitoring, Purpose is to monitor transmission line of electricity and transmission tower on-line, the environment and conductor wire around main monitoring transmission tower Temperature, transient signal can be used for crash analysis, avoid the deterioration of accident, and carry for the repair based on condition of component work of transmission line of electricity For necessary reference.
The present invention provides a kind of transmission line online monitoring system with temperature monitoring, using following technical scheme:One Transmission line online monitoring system of the kind with temperature monitoring, including data monitoring device, data acquisition device, wireless telecommunications dress It sets, terminal handler, the data monitoring device is connected with data acquisition device, and the data acquisition device passes through the nothing Line communication device is connected with the terminal handler,
The data monitoring device includes temperature sensor and microclimate sensor, wherein
The temperature sensor is used to monitor the temperature of conductor wire;
The microclimate sensor is used to monitor wind direction near transmission tower or transmission line of electricity, wind speed, environment temperature, wet Degree, pressure;
The data acquisition device can be by temperature strength that data monitoring device monitors, wind direction, wind speed, environment temperature The analog signals of degree, humidity and pressure are converted into digital quantity signal, and are transmitted to the terminal handler;
The terminal handler can be carried out when Sudden Changing Rate occurs in the temperature digital amount signal of the conductor wire of real-time reception Fault pre-alarming, if and/or transmission line of electricity break down when, the terminal handler can according to transient state digital quantity signal to transmission of electricity Circuit carries out crash analysis.
Further, further include warning device, warning device includes buzzer and alarm lamp, the warning device and end End processor is connected.
Further, further include energy supplying system, the energy supplying system include solar panels, accumulator, wind power plant with And voltage transformation module, wherein
The solar panels are connect with accumulator, the solar panel, accumulator and wind power plant difference It is connect with voltage transformation module.
Further, the energy supplying system by voltage transformation module respectively with temperature sensor, microclimate sensor, data Harvester and wireless communication apparatus connection, to give temperature sensor, microclimate sensor, data acquisition device and wireless Communication device provides electric energy.
Further, the wireless communication apparatus is 3G, 4G, GPRS, Zigbee, Beidou communication mould are in the block any or group It closes.
Transmission line online monitoring system provided by the invention with temperature monitoring is provided with multiple temperature on transmission line of electricity The size that Sensor monitoring electric power generates temperature in transmission process is spent, after temperature exceeds the given threshold of terminal handler, eventually Processor is held to carry out fault pre-alarming, also can be after transmission line of electricity failure, terminal handler pushes away transmission line of electricity by the way that temperature is counter Operating status, or the further environmental factor in conjunction with scene analyzed, to find out failure cause, to the on-line monitoring System effectively raises the management level of transmission line safety economical operation, and is provided for the work of the repair based on condition of component of transmission line of electricity Necessary reference.
Description of the drawings
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is a kind of transmission line online monitoring system schematic diagram with temperature monitoring in the embodiment of the present invention;
Fig. 2 is a kind of transmission line online monitoring system structure arrangement signal with temperature monitoring in the embodiment of the present invention Figure;
Fig. 3 is fault pre-alarming flow diagram of the terminal handler by taking temperature as an example in the embodiment of the present invention;
Fig. 4 is terminal handler crash analysis flow diagram in the embodiment of the present invention.
In figure:1-6, temperature sensor;7, transmission tower;8, transmission line of electricity;9, lightning conducter;10, loading plate;11, tower top.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical solution in the embodiment of the present invention clearly and completely illustrated, it is clear that described embodiment is A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art The every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of transmission line online monitoring system with temperature monitoring is described in the embodiment of the present invention, Including data monitoring device, data acquisition device, wireless communication apparatus, terminal handler, energy supplying system, warning device;Wherein The data monitoring device is connect with data acquisition device by cable or optical fiber, and the data acquisition device passes through described wireless Communication device is connected with the terminal handler, and the energy supplying system is separately connected data monitoring device, data acquisition device And wireless communication apparatus, to give data monitoring device, data acquisition device and wireless communication apparatus to provide electric energy, the end Processor is held to connect warning device, to respond fault pre-alarming.
In the present embodiment, the data monitoring device includes temperature sensor and microclimate sensor, wherein the temperature Sensor distance is arranged in the surface of transmission line of electricity, and is passed at least provided with a temperature on each conductor wire on transmission line of electricity Sensor, for monitoring each conductor wire temperature;Preferably, the temperature sensor may be alternatively provided at the near space of transmission line of electricity.
There are two the microclimate sensors, and the tower top in transmission tower is arranged in one of them, for monitoring wind direction, wind Speed, another is positioned close on the loading plate of bottom of tower, for monitoring of environmental temperature, humidity, pressure.Preferably, micro- gas Image sensor includes:Wind direction microclimate sensor, wind speed microclimate sensor, temperature microclimate sensor, humidity microclimate pass Sensor and pressure microclimate sensor.The terminal handler can be by the Temperature Distribution and temperature of transmission line of electricity at any time Variation, with reference to environment temperature, to judge the operating status of transmission line of electricity.
As shown in Fig. 2, the present invention is illustrated so that transmission line of electricity is alternating current circuit as an example, but it is not limited to exchange Circuit, DC line etc. may be applicable to the present invention.
A kind of transmission line online monitoring system with temperature monitoring, including power transmission rod are provided in the embodiment of the present invention Tower 7 and transmission line of electricity 8, being erected at arranged for interval on the transmission line of electricity between two transmission towers has a temperature sensor 1-6, and every 3 A to be divided into one group, one of which is arranged on A, B, C three-phase conductor wire in two transmission tower centre positions, and another group sets It sets on A, B, C three-phase conductor wire close to transmission tower.Preferably, if transmission line of electricity is DC line, temperature sensing Device is arranged on positive and negative electrode conductor wire.
In the present embodiment, each temperature sensor only measures, exports the temperature information of place conductor wire, and each phase conductor wire is equal It is provided at least one temperature sensor, to realize that the temperature in each phase conductor different location measures, terminal handler can be with The temperature information of each phase conductor of acquisition of preparation, in case of transmission line of electricity is broken down due to temperature change, due to event Barrier is likely to occur in a conducting wire or two conducting wires or three conducting wires, and to different failures, the state of temperature of three-phase conducting wire is not Equally, on-line monitoring system can accurately be analyzed according to the temperature digital amount signal of each temperature sensor monitors on transmission line of electricity Be out of order position or the fault condition etc. that is likely to occur, to realize fault pre-alarming.
In the present embodiment, the tower top 11 of the transmission tower 7 is provided with to be passed to the microclimate of, wind speed against the wind for monitoring tower Sensor;Be additionally provided on the loading plate 5 of the transmission tower 1 for monitor environment temperature of the transmission tower around bottom of tower, The microclimate sensor of humidity and pressure.Environment near transmission line of electricity be also influence temperature of electric transmission line variation factor it One, thus terminal handler can be according to the environmental information received, analysis obtains the environmental factor around transmission line of electricity to transmission of electricity On the other hand the influence of circuit operating status is also the inspection to the transmission line of electricity later stage on the one hand accomplish fault pre-alarming It repaiies or designs, build and do corresponding guidance.In the present embodiment, data acquisition device, channel radio are additionally provided on the loading plate 5 Interrogate device, energy supplying system, wherein data acquisition device is for the temperature simulation amount signal of collecting temperature Sensor monitoring and micro- The meteorological simulation amount signal of meteorological sensor monitoring;Wireless communication apparatus, between data acquisition device and terminal handler It communicates wirelessly, energy supplying system, is used for temperature sensor, microclimate sensor, data acquisition device, wireless communication apparatus Electric energy is provided.
In the present embodiment, temperature sensor, microclimate sensor are connected by cable or optical fiber and data acquisition device respectively It connects, data acquisition device is connected by the wireless communication apparatus with terminal handler.
In the present embodiment, the wireless communication apparatus is 3G, 4G, GPRS, Zigbee, Beidou communication mould are in the block any or Combination, but it not is only limited to communication module described above, other communication modules may be applicable to the present invention.Preferably, nothing Line communication device includes 3G, 4G, GPRS, Zigbee and Beidou communication module simultaneously.In traditional public network communication module, addition Beidou communication module can effectively avoid public network communication failure from influencing the case where information is transmitted, improve on-line monitoring The reliability of system.
In the present embodiment, the energy supplying system includes solar panels, accumulator, wind power plant and voltage modulus of conversion Block, the solar panels, accumulator, wind power plant are connect with voltage transformation module respectively, the solar panels also with storage Battery connects, to store electric energy.On-line monitoring system is powered using solar panels daytime, while solar panels are to storing Battery charges, and night powers to on-line monitoring system using accumulator and wind-power electricity generation, ensure that the normal of on-line monitoring system Operation.
In the present embodiment, the energy supplying system by voltage transformation module respectively with temperature sensor, microclimate sensor, Data acquisition device and wireless communication apparatus connection.
In the present embodiment, it is provided with lightning conducter 9 between two transmission towers, is occurred defeated for preventing lightning stroke transmission facility The case where electric line overvoltage, occurs, and also further avoiding lightning stroke causes temperature of electric transmission line variation excessive.
In the present embodiment, the terminal handler can also analyze transmission line of electricity temperature whether mutation amount, with conduction For the temperature of line, if Sudden Changing Rate occurs in the temperature of conductor wire, terminal handler carries out fault pre-alarming.Preferably, the application Described in Sudden Changing Rate be given threshold, if the temperature of conductor wire be more than given threshold, terminal handler carry out fault pre-alarming.
In the present embodiment, as shown in figure 3, describe by taking the temperature of conductor wire as an example, terminal handler to transmission line of electricity into The process of row fault pre-alarming, specifically includes following steps:
S1. terminal handler the temperature digital signal of the conductor wire of reception show using the waveform of data, Fourier frequently Domain analysis, figure variable analysis, rational threshold value be any or the mode of combination carries out processing analysis, judges;
S2. the terminal handler judges whether the temperature of conductor wire thens follow the steps more than given threshold if being more than S3;If not exceeded, then continuing to execute step S1;
S3. terminal handler carries out fault pre-alarming, and the buzzer of warning device sends out sound, and alarm lamp flickers.
In the present embodiment, when the terminal handler carries out fault pre-alarming to transmission line of electricity, also in combination with transmission tower week The environment temperature enclosed, humidity, pressure, wind speed, wind direction.The temperature of the conductor wire also with environment temperature, humidity, pressure, wind speed, The environment parameters such as wind direction are related, when analyzing the influence factor of conductor wire temperature, need the operating status and ring from transmission line of electricity Factor two aspects in border are analyzed, and the operation of transmission line of electricity efficient stable is contributed to.
In the present embodiment, terminal handler carries out fault pre-alarming, while also carrying out crash analysis.
In the present embodiment, as shown in figure 4, when describing transmission line of electricity failure, the terminal handler crash analysis Process, specifically include following steps:
S11. transmission line of electricity breaks down, and the terminal handler determines fault time point, and recalls corresponding time point Transient state digital signal;
S12. the terminal handler is to conductor wire temperature and wind direction, wind speed, environment temperature, humidity, the transient state of pressure Digital signal show using the waveform of data, Fourier's frequency-domain analysis, figure variable analysis, any in rational threshold value or is combined Mode analyzed;
S13. the anti-operating status for releasing transmission line of electricity of terminal handler;
S14. determining abort situation and failure cause, and the O&M to transmission line of electricity, maintenance and/or the design in later stage, Construction is instructed.
In the present embodiment, terminal handler is changed with time by the Temperature Distribution and conductor wire temperature of conductor wire, together When with reference to the transient signal of wind direction, wind speed, environment temperature, humidity, pressure judge the operating status of transmission line of electricity.
When transmission line of electricity breaks down, the electric current of conductor wire changes, then the temperature of conductor wire changes, to Terminal handler is by the conductor wire temperature of monitoring, and combining environmental factor counter can release the operating status of electric system, have Help coach for electric system O&M, timely processing power failure has also further ensured the normal operation of transmission line of electricity.
In the present embodiment, the transient state digital quantity signal is the conductor wire temperature being stored in terminal handler, wind direction, wind Speed, environment temperature, humidity and pressure digital quantity signal historical record.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for those skilled in the art For, the present invention can have various modifications and changes.It is all within spirit and principles of the present invention made by any modification, equivalent Replace, improve etc., it should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of transmission line online monitoring system with temperature monitoring, including data monitoring device, data acquisition device, nothing Line communication device, terminal handler, the data monitoring device are connected with data acquisition device, and the data acquisition device is logical The wireless communication apparatus is crossed with the terminal handler to be connected, it is characterised in that:
The data monitoring device includes temperature sensor and microclimate sensor, wherein
The temperature sensor is used to monitor the temperature of conductor wire;
The microclimate sensor be used to monitor wind direction near transmission tower or transmission line of electricity, wind speed, environment temperature, humidity, Pressure;
The data acquisition device can by conductor wire temperature that data monitoring device monitors, wind direction, wind speed, environment temperature, The analog signals of humidity and pressure are converted into digital quantity signal, and are transmitted to the terminal handler;
It is pre- that the terminal handler can carry out failure when Sudden Changing Rate occurs in the conductor wire temperature digital amount signal of real-time reception It is alert, if and/or transmission line of electricity when breaking down, the terminal handler can according to transient state digital quantity signal to transmission line of electricity into Row crash analysis.
2. the transmission line online monitoring system according to claim 1 with temperature monitoring, it is characterised in that:Further include Warning device, warning device include buzzer and alarm lamp, and the warning device is connected with terminal handler.
3. the transmission line online monitoring system according to claim 1 with temperature monitoring, it is characterised in that:Further include Energy supplying system, the energy supplying system include solar panels, accumulator, wind power plant and voltage transformation module, wherein
The solar panels are connect with accumulator, the solar panel, accumulator and wind power plant respectively with electricity Press conversion module connection.
4. the transmission line online monitoring system according to claim 3 with temperature monitoring, it is characterised in that:The confession Can system by voltage transformation module respectively with temperature sensor, microclimate sensor, data acquisition device and wireless telecommunications Device connects, to give temperature sensor, microclimate sensor, data acquisition device and wireless communication apparatus to provide electric energy.
5. the transmission line online monitoring system according to claim 1 with temperature monitoring, it is characterised in that:The nothing Line communication device is 3G, 4G, GPRS, Zigbee, Beidou communication mould is in the block any or combines.
CN201810770250.1A 2018-07-13 2018-07-13 A kind of transmission line online monitoring system with temperature monitoring Pending CN108548567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810770250.1A CN108548567A (en) 2018-07-13 2018-07-13 A kind of transmission line online monitoring system with temperature monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810770250.1A CN108548567A (en) 2018-07-13 2018-07-13 A kind of transmission line online monitoring system with temperature monitoring

Publications (1)

Publication Number Publication Date
CN108548567A true CN108548567A (en) 2018-09-18

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Country Status (1)

Country Link
CN (1) CN108548567A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157045A (en) * 2020-01-03 2020-05-15 上海枫昱能源科技有限公司 Artificial intelligence electric line abnormal risk degree monitoring method and system
CN111486897A (en) * 2020-05-07 2020-08-04 南京电博机器人技术有限公司 Overhead transmission line wire temperature on-line monitoring system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111157045A (en) * 2020-01-03 2020-05-15 上海枫昱能源科技有限公司 Artificial intelligence electric line abnormal risk degree monitoring method and system
CN111486897A (en) * 2020-05-07 2020-08-04 南京电博机器人技术有限公司 Overhead transmission line wire temperature on-line monitoring system

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