CN208383187U - A kind of transmission line of electricity surface field on-line monitoring system - Google Patents

A kind of transmission line of electricity surface field on-line monitoring system Download PDF

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Publication number
CN208383187U
CN208383187U CN201821118914.8U CN201821118914U CN208383187U CN 208383187 U CN208383187 U CN 208383187U CN 201821118914 U CN201821118914 U CN 201821118914U CN 208383187 U CN208383187 U CN 208383187U
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China
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electricity
transmission line
sensor
terminal handler
data acquisition
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CN201821118914.8U
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Inventor
张超
余占清
牟亚
黄耀升
王晓蕊
汤铭华
利国华
曾嵘
耿屹楠
庄池杰
胡军
何金良
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Tsinghua University
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Tsinghua University
Jiangmen Power Supply Bureau of Guangdong Power Grid Co Ltd
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Abstract

The utility model discloses a kind of transmission line of electricity surface field on-line monitoring systems, including data monitoring device, data acquisition device, wireless communication apparatus, terminal handler, the data monitoring device is connected with data acquisition device, the data acquisition device is connected by the wireless communication apparatus with the terminal handler, the data acquisition device can convert digital quantity signal for the analog signals that data monitoring device monitors, and be transmitted to the terminal handler;The terminal handler can carry out accident early warning when Sudden Changing Rate occurs in the electric field strength digital quantity 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., can be to avoid the deterioration of accident by the environmental factor etc. around system on-line monitoring, electric field strength of analysis transmission line of electricity and transmission tower, and for the repair based on condition of component work of transmission line of electricity provide necessary reference.

Description

A kind of transmission line of electricity surface field on-line monitoring system
Technical field
The utility model relates to power supply technique fields, monitor system on-line more particularly to a kind of transmission line of electricity surface field System.
Background technique
In high pressure and extra-high voltage direct-current engineering, bring is improved along with the benefit that voltage class improves, is outstanding Electromagnetic environment problem.Audible noise, radio interference, corona loss, ion current density, total electric field strength etc. are high voltage direct current Important parameter and the route design of transmission system have to consider the problems of.Total electric field is route and tower structure design One of major control factors and DC transmission system operating status reflection.In HVDC transmission line design, construction During operation, accurate measurement obtains the electric field value in space near transmission line of electricity, is to understand work transmission line limitation, prison The effective means of survey Research Work of Power Transmission Line state, inspection DC power transmission line meet environmental requirements basic with dynamic operation requirement Tool, and the important method of assessment DC transmission system electromagnetic environment, carry out near biological effect and building to further Field strength characteristics are assessed significant.The space electric field around power equipment is monitored, can be further used for assessing power transmission line confession Electricity condition, detection defects of insulator, measurement ice covering thickness etc., for the electromagnetic environment assessment of transmission line of electricity, on-line monitoring and event There is huge application value in the fields such as barrier diagnosis, Lightning Warning.In addition, as China's direct current power system and electrician are manufacturing Development, insulator, casing, GIS device development process in, equipment external insulation design, corona inhibit and pressure design be both needed to Accurate equipment space combination field strength distribution nearby is obtained, has equally been expedited the emergence of to amplitude, high-precision, small size direct current field strength The demand of test device.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of transmission line of electricity surface field on-line monitoring system, mesh Be transmission line of electricity and transmission tower are monitored on-line, the main meteorology and electric field data monitored around transmission tower, Its transient signal can be used for accident early warning, avoid the deterioration of accident, and provide must for the repair based on condition of component work of transmission line of electricity The reference wanted.
The utility model provides a kind of transmission line of electricity surface field on-line monitoring system, using following technical scheme: a kind of Transmission line of electricity surface field on-line monitoring system, including data monitoring device, data acquisition device, wireless communication apparatus, terminal Processor, the data monitoring device are connect with data acquisition device, and the data acquisition device is filled by the wireless telecommunications It sets and is connected with the terminal handler,
The data monitoring device includes that electric-field sensor, microclimate sensor, angular-rate sensor and acceleration pass Sensor, wherein
The electric-field sensor is used to monitor the electric field strength around conductor wire;
The microclimate sensor be used to monitor wind direction near transmission tower or transmission line of electricity, wind speed, temperature, humidity, Pressure;
The angular-rate sensor is used to monitor the angular speed of transmission tower, and the acceleration transducer is for monitoring transmission of electricity The acceleration of shaft tower;
The data acquisition device can be by electric field strength that data monitoring device monitors, wind direction, wind speed, temperature, wet Degree, pressure, acceleration and angular speed analog signals be converted into digital quantity signal, and be transmitted to the terminal handler;
The terminal handler can carry out accident when Sudden Changing Rate occurs in the electric field strength digital quantity signal of real-time reception Early warning, if and/or transmission line of electricity break down when, the terminal handler can be according to transient state digital quantity signal to transmission line of electricity Carry out crash analysis.
It 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, battery, wind power plant with And voltage transformation module, wherein
The solar panels are connect with battery, the solar panel, battery and wind power plant difference It is connect with voltage transformation module.
Further, the voltage transformation module respectively with electric-field sensor, microclimate sensor, angular-rate sensor, plus Velocity sensor, data acquisition device and wireless communication apparatus connection, to electric-field sensor, microclimate sensor, angle speed It spends sensor, acceleration transducer, data acquisition device and wireless communication apparatus and electric energy is provided.
Further, the wireless communication apparatus be 3G, 4G, GPRS, Zigbee, any or group in Beidou communication module It closes.
Power transmission line surface field on-line monitoring system provided by the utility model is provided with multiple electric fields on transmission line of electricity and passes Sensor monitors the size that electric power generates electric field in transmission process, after component threshold value of the electric field beyond terminal handler setting, hair It is out of order early warning, at the scene after equipment damage, the electric field of the runing time of equipment, environmental factor and surrounding can also be divided Analysis effectively raises the management level of transmission line safety economical operation, and provides for the work of the repair based on condition of component of transmission line of electricity Necessary reference.
Detailed description of the invention
By referring to the drawings to the description of the utility model embodiment, the above-mentioned and other mesh of the utility model , feature and advantage will be apparent from, in the accompanying drawings:
Fig. 1 is a kind of transmission line of electricity surface field on-line monitoring system schematic diagram in the utility model embodiment;
Fig. 2 is a kind of transmission line of electricity surface field on-line monitoring system structure arrangement signal in the utility model embodiment Figure;
Fig. 3 is accident early warning flow diagram of the terminal handler by taking electric field strength as an example in the utility model embodiment;
Fig. 4 is terminal handler crash analysis flow diagram in the utility model embodiment.
In figure: 1, transmission tower;2, transmission line of electricity;3, electric-field sensor;4, tower top;5, loading plate;6, lightning conducter.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment clearly and completely illustrates the technical scheme in the embodiment of the utility model, it is clear that retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
As shown in Figure 1, describing a kind of transmission line of electricity surface field on-line monitoring system in the utility model embodiment, wrap Include data monitoring device, data acquisition device, wireless communication apparatus, terminal handler, energy supplying system, warning device;Wherein institute It states data monitoring device and is connect with data acquisition device by cable or optical fiber, the data acquisition device passes through the channel radio News device be connected with the terminal handler, the energy supplying system be separately connected data monitoring device, data acquisition device with And wireless communication apparatus, to provide electric energy, the terminal to data monitoring device, data acquisition device and wireless communication apparatus Processor is also connected with warning device, to respond accident early warning.
In the present embodiment, the data monitoring device include electric-field sensor, microclimate sensor, angular-rate sensor with And acceleration transducer, wherein
Electric-field sensor arranged for interval is at least arranged in the surface of transmission line of electricity, and on each conductor wire on transmission line of electricity There is an electric-field sensor, for monitoring the electric field strength around each conductor wire;
The microclimate sensor is arranged on transmission tower, for monitoring wind direction, wind speed, temperature, humidity, pressure;It is excellent Choosing, the microclimate sensor include: wind direction microclimate sensor, wind speed microclimate sensor, temperature microclimate sensor, Humidity microclimate sensor and pressure microclimate sensor.
The angular-rate sensor and acceleration transducer are arranged on transmission tower, wherein
The angular-rate sensor is used to monitor the angular speed of transmission tower, and acceleration transducer is for monitoring transmission tower Acceleration;
As shown in Fig. 2, the utility model is illustrated so that transmission line of electricity is alternating current circuit as an example, but it is not limited to Alternating current circuit, DC line etc. may be applicable to the utility model.
A kind of transmission line of electricity surface field on-line monitoring system, including transmission tower are provided in the utility model embodiment 1 with transmission line of electricity 2, being erected at arranged for interval on the transmission line of electricity between two transmission towers has 6 electric-field sensors 3, every 3 It is divided into one group, wherein one group is arranged on A, B, C three-phase conductor wire in two wire pole tower middle positions, another group of setting On A, B, C three-phase conductor wire close to transmission tower.Preferably, if transmission line of electricity is DC line, electric-field sensor It is arranged on positive and negative electrode conductor wire.
In the present embodiment, each electric-field sensor only measured, export where electric field information near conductor wire, it is each mutually conductive Line is provided with electric-field sensor, thus realize the measurement of each phase conductor, the electric field information for each phase conductor of acquisition that can prepare, By transmission line of electricity due to electric field strength variation break down for, due to failure be likely to occur in a conducting wire or two conducting wires or Three conducting wires, thus different failures, the state of three-phase conducting wire is different, and on-line monitoring system can be according to each on transmission line of electricity The electric field strength data of the monitoring of electric-field sensor accurately analyze abort situation or the fault condition being likely to occur etc., thus Realize fault pre-alarming.
In the present embodiment, the tower top 4 of the transmission tower 1 is provided with acceleration transducer, for measuring wire pole tower Acceleration of motion, angular-rate sensor are used to measure the angular velocity of satellite motion of wire pole tower, and for monitoring tower against the wind to, wind speed Microclimate sensor;Wherein, terminal handler can lead to according to the digital information about acceleration and angular speed received The displacement that can be calculated wire pole tower is crossed, so that analyzing the displacement of wire pole tower influences electric field strength.Transmission tower adds If speed is excessive with angular speed, transmission tower can generate movement suddenly, and terminal handler then can be according to acceleration and angle speed The data information of degree assesses the operating status of transmission line of electricity, also can shaft tower material to transmission tower, structure specification Property carry out analysis be the later period maintenance or design, construction do corresponding guidance.
In the present embodiment, it is additionally provided with microclimate sensor on the loading plate 5 of the transmission tower 1, for monitoring transmission of electricity Temperature, humidity and pressure of the shaft tower around tower bottom.Environment near power transmission tower is also to influence transmission line of electricity electric field change One of factor, thus terminal handler can be according to the weather information received, by analyzing the ring that obtain around wire pole tower On the other hand influence of the border factor to transmission line of electricity operating status is also to transmission of electricity on the one hand can accomplish accident early warning Corresponding guidance is done in maintenance or design, the construction in route later period.
In the present embodiment, it is additionally provided with data acquisition device, wireless communication apparatus, energy supplying system on the loading plate 5, In, data acquisition device is for acquiring electric-field sensor on transmission line of electricity, angular-rate sensor, acceleration transducer and micro- gas The analog signals of image sensor monitoring;Wireless communication apparatus, for carrying out nothing between data acquisition device and terminal handler Line communication, energy supplying system are used for electric-field sensor, angular-rate sensor, acceleration transducer and microclimate sensor, number Electric energy is provided according to acquisition device, wireless communication apparatus.
In the present embodiment, electric-field sensor, angular-rate sensor, acceleration transducer and microclimate sensor lead to respectively Cable or optical-fiber connection data acquisition device are crossed, data acquisition device is connected by the wireless communication apparatus with terminal handler It connects.
In the present embodiment, the wireless communication apparatus is 3G, 4G, GPRS, Zigbee, any in Beidou communication module or Combination, but it not is only limited to communication module described above, other communication modules may be applicable to the utility model.It is preferred that , wireless communication apparatus includes 3G, 4G, GPRS, Zigbee and Beidou communication module simultaneously, in traditional public network communication module In, it is added to Beidou communication module, can effectively avoid public network communication failure from influencing the case where information is transmitted, improve The reliability of line monitoring system.
In the present embodiment, the energy supplying system includes solar panels, battery, wind power plant and voltage modulus of conversion Block, the solar panels, battery, wind power plant are connect with voltage transformation module respectively, the solar panels also with storage Battery connection, to store electric energy.
In the present embodiment, it is provided with lightning conducter 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 transmission line of electricity electric field strength excessive.
In the present embodiment, as shown in figure 3, describing by taking electric field strength as an example, terminal handler carries out event to transmission line of electricity Hinder the process of early warning, specifically includes the following steps:
S1. terminal handler shows received digital signal using the waveform of data, Fourier frequency domain is analyzed, figure variable It analyzes, reasonable threshold value is any or combined mode carries out processing analysis, judgement;
S2. the terminal handler judges whether electric field strength is more than given threshold, if being more than, thens follow the steps S3;If It is less than, then continues to execute step S1;
S3. the buzzer of warning device issues sound, and alarm lamp flashes.
In the present embodiment, when the terminal handler carries out accident early warning to transmission line of electricity, also in relation with the position of transmission tower Temperature, humidity, pressure, wind speed, wind direction etc. around shifting and transmission tower.
In the present embodiment, the terminal handler can also analyze transmission line of electricity electric field whether mutation amount, if electric field There is Sudden Changing Rate in intensity, then accident early warning occurs.Preferably, the electric field strength Sudden Changing Rate can be for more than given threshold.
In the present embodiment, as shown in figure 4, when describing transmission line of electricity failure, the terminal handler crash analysis Process, specifically includes the following steps:
S11. transmission line of electricity failure information, the terminal handler determines fault time point, and recalls the corresponding time The transient state digital signal of point;
S12. the terminal handler is shown transient state digital signal using the waveform of data, Fourier frequency domain analysis, schemed Any or combined mode in variable analysis, reasonable threshold value is analyzed;
S13. terminal handler calculates the electric field strength and transmission tower of each node on the conductor wire of transmission line of electricity Displacement, the environmental factors such as wind direction, wind speed, temperature, humidity, pressure around transmission tower changing value;
S14. cause of accident is determined, and design, the construction of the maintenance and/or later period to transmission line of electricity are instructed.
In the present embodiment, the crash analysis further includes that terminal handler carries out the runing time before faulty equipment damage Statistics.
In the present embodiment, the transient state digital quantity signal is the electric field strength being stored in terminal handler, wind direction, wind Speed, temperature, humidity, pressure, acceleration and angular speed digital quantity signal historical record.
In the present embodiment, if transmission line of electricity scene occurs overvoltage and causes the harsh conditions such as apparatus insulated damage, it may be possible to Transmission line of electricity failure causes electric field Sudden Changing Rate occur so as to cause equipment damage, it is also possible to which acutely fortune occurs for transmission tower It is dynamic to cause electric field meteorologic factor wind speed, wind direction, temperature, humidity, pressure around Sudden Changing Rate or transmission line of electricity etc. occur to cause Electric field there is Sudden Changing Rate, terminal handler needs that transient state digital quantity signal is utilized to carry out crash analysis.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, for this field For technical staff, the utility model can have various modifications and changes.All institutes within the spirit and principle of the utility model Any modification, equivalent substitution, improvement and etc. of work, should be included within the scope of protection of this utility model.

Claims (5)

1. a kind of transmission line of electricity surface field on-line monitoring system, including data monitoring device, data acquisition device, wireless telecommunications Device, terminal handler, the data monitoring device are connected with data acquisition device, and the data acquisition device passes through described Wireless communication apparatus is connected with the terminal handler, it is characterised in that:
The data monitoring device includes electric-field sensor, microclimate sensor, angular-rate sensor and acceleration transducer, Wherein,
The electric-field sensor is used to monitor the electric field strength around conductor wire;
The microclimate sensor is used to monitor wind direction, wind speed, temperature, humidity, the pressure near transmission tower or transmission line of electricity;
The angular-rate sensor is used to monitor the angular speed of transmission tower, and the acceleration transducer is for monitoring transmission tower Acceleration;
The data acquisition device can be by electric field strength that data monitoring device monitors, wind direction, wind speed, temperature, humidity, pressure By force, the analog signals of acceleration and angular speed are converted into digital quantity signal, and are transmitted to the terminal handler;
The terminal handler can carry out accident early warning when Sudden Changing Rate occurs in the electric field strength digital quantity signal of real-time reception, If and/or when transmission line of electricity failure, the terminal handler can be carried out transmission line of electricity according to transient state digital quantity signal Crash analysis.
2. transmission line of electricity surface field on-line monitoring system according to claim 1, it is characterised in that: further include alarm dress It sets, warning device includes buzzer and alarm lamp, and the warning device is connected with terminal handler.
3. transmission line of electricity surface field on-line monitoring system according to claim 1, it is characterised in that: further include energy supply system System, the energy supplying system includes solar panels, battery, wind power plant and voltage transformation module, wherein
The solar panels are connect with battery, the solar panel, battery and wind power plant respectively with electricity Press conversion module connection.
4. transmission line of electricity surface field on-line monitoring system according to claim 3, it is characterised in that: the voltage conversion Module respectively with electric-field sensor, microclimate sensor, angular-rate sensor, acceleration transducer, data acquisition device and Wireless communication apparatus connection, to be adopted to electric-field sensor, microclimate sensor, angular-rate sensor, acceleration transducer, data Acquisition means and wireless communication apparatus provide electric energy.
5. transmission line of electricity surface field on-line monitoring system according to claim 1, it is characterised in that: the wireless telecommunications Device is 3G, 4G, GPRS, Zigbee, any or combination in Beidou communication module.
CN201821118914.8U 2018-07-13 2018-07-13 A kind of transmission line of electricity surface field on-line monitoring system Active CN208383187U (en)

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CN201821118914.8U CN208383187U (en) 2018-07-13 2018-07-13 A kind of transmission line of electricity surface field on-line monitoring system

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871449A (en) * 2018-07-13 2018-11-23 广东电网有限责任公司江门供电局 A kind of transmission line online monitoring system with electric field monitoring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108871449A (en) * 2018-07-13 2018-11-23 广东电网有限责任公司江门供电局 A kind of transmission line online monitoring system with electric field monitoring

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