CN206725143U - The alternate working-condition monitoring system of transmission line of electricity - Google Patents
The alternate working-condition monitoring system of transmission line of electricity Download PDFInfo
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- CN206725143U CN206725143U CN201720592507.XU CN201720592507U CN206725143U CN 206725143 U CN206725143 U CN 206725143U CN 201720592507 U CN201720592507 U CN 201720592507U CN 206725143 U CN206725143 U CN 206725143U
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- 230000016507 interphase Effects 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 42
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- 229910000831 Steel Inorganic materials 0.000 claims description 12
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 9
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Abstract
The utility model discloses the alternate working-condition monitoring system of offer transmission line of electricity, including data acquisition front end units, communication converting unit and industrial computer；Data acquisition front end units include the first pulling force sensor, the second pulling force sensor and control module, first pulling force sensor is connected with the inter-phase spacer of transmission line of electricity A phase B phases, second pulling force sensor is connected with the inter-phase spacer of transmission line of electricity B phase C phases, control module connects first pulling force sensor and the second pulling force sensor respectively, and the signal is sent to communication converting unit through wireless communication mode；The communication converting unit transmits the data received to industrial computer through communication cable.The utility model can obtain the stressing conditions of inter-phase spacer in time, be easy to work about electric power personnel to improve the design and layout of inter-phase spacer according to stressing conditions, improve its reliability and validity, finally improve the anti-dance effect of inter-phase spacer.
Description
Technical field
Extra-high voltage grid technical field is the utility model is related to, more particularly, to the alternate working-condition monitoring system of transmission line of electricity.
Background technology
Transmission line galloping is uneven ice coating wire caused low frequency under wind excitation（0.1~5Hz）, large amplitude
（20~300 times of diameter of wire）Self-excited vibration.It is big that ultra-high-tension power transmission line waves energy, duration length, easily causes circuit
Flashover, tripping operation, shaft tower bolt looseness, come off, can occur gold utensil and insulator damage when serious, wire strand breakage, broken string, or even
Tower, cause great power grid accident.
As effectively suppression means are waved, inter-phase spacer is introduced on a large scale.The inter-phase spacer at scene is hung on
Between two phase conductors, both ends are fixed on the conductor spacer of wire.For many years experience have shown that, although inter-phase spacer is waving improvement side
Face has played obvious action, but it still has problems and had much room for improvement.Current power transmission circuit device for monitoring tension, it is main
Monitoring transmission line icing is directed to, installation site is on tower material of iron tower, the insulator tension signal of main monitoring connection steel tower,
This device, without any connection, is not involved in waving for transmission line of electricity with transmission line of electricity.
CN 104933403 utility model patent discloses the monitoring method of the conductor galloping based on conductor spacer identification, with
The digital picture intercepted in transmission line of electricity video flowing is research object, by the methods of image gray processing, smoothing denoising to figure
As being pre-processed.Enter row threshold division, rim detection, Contour extraction and compensation to the image after pretreatment, extract wire
The profile of conductor spacer, according to time interval rod template contours matching difference shape is waved, torsion angle is waved to calculate.Wave torsion
When angle occurs abnormal, warning information can be sent to safety inspection personnel in time, it is closed circuit operation conditions
Note takes respective handling measure simultaneously.This method waves time interval rod template contours using the method for image procossing according to basis
Matching difference shape carries out conductor galloping monitoring, the detection of conductor galloping torsion angle can be achieved, but this method is in special weather
In the case of, such as the weather such as haze, rain, snow, the digital picture image quality of interception be difficult to ensure that, it is difficult to realize conductor galloping
Accurate measurements.Moreover, this method is only capable of monitoring conductor galloping, the drawing that inter-phase spacer is born during waving can not be monitored
The mechanical characteristics such as power, pressure.Therefore, need transmission line of electricity inter-phase spacer badly and wave the device that pulling force monitors in real time.
Utility model content
In view of this, the purpose of this utility model is in view of the shortcomings of the prior art, there is provided the alternate operating mode prison of transmission line of electricity
Examining system, pulling force is waved to monitoring inter-phase spacer in real time.
To reach above-mentioned purpose, the utility model uses following technical scheme：
The alternate working-condition monitoring system of transmission line of electricity, wherein, including data acquisition front end units, communication converting unit and industry control
Machine；The data acquisition front end units include the first pulling force sensor, the second pulling force sensor and control module, and described first draws
Force snesor is connected with the inter-phase spacer of transmission line of electricity A phase-B phases, second pulling force sensor and transmission line of electricity B phase-C phases
Inter-phase spacer connection, the control module connects first pulling force sensor and the second pulling force sensor respectively, described
Control module passes through wireless communication mode connecting communication converting unit；The communication converting unit connects industry control by communication cable
Machine.
Preferably, the data acquisition front end units are arranged on the conductor spacer of transmission line of electricity B phases.
Preferably, it is provided with first pulling force sensor and the second pulling force sensor for reducing inter-phase spacer
The anti-collision sheath hit to connected pulling force sensor.
Preferably, the data acquisition front end units also include installation connecting plate, and described control unit is arranged on the installation
On connecting plate, the installation connecting plate is arranged in conductor spacer on deckle board.
Preferably, the control module includes protection box, be provided with the protection box wireless communication module, lithium battery,
ARM control modules and D/A converter module；The wireless communication module, D/A converter module connect with the ARM control modules
Connect, lithium battery is powered for ARM control modules.
Preferably, aviation plug is provided with the protection box, the aviation plug turns through signal cable and the digital-to-analogue
Change the mold block connection.
Preferably, the communication converting unit is arranged on the steel tower tower top of the span shaft tower where tested inter-phase spacer.
Preferably, the industrial computer is arranged on the downside of steel tower；The external environmental protection case of industrial computer.
The beneficial effects of the utility model are：
The utility model avoids Interphase interval to improve the Anti-galloping effect of inter-phase spacer and the mechanical strength of itself
There is impaired fracture and failed in use in rod, there is provided the alternate working-condition monitoring system of transmission line of electricity, by power transmission line
Inter-phase spacer is set respectively between the A phase-B phases on road, between B phase-C phases, and pulling force sensor is installed on inter-phase spacer,
Stressing conditions during monitoring transmission line galloping on inter-phase spacer in real time, inter-phase spacer is held during being waved by monitoring
The mechanical characteristics such as the pulling force received, pressure, to judge to improve the design and layout of inter-phase spacer, improve its reliability and validity
Data are provided to support.
The alternate working-condition monitoring system of transmission line of electricity of the present utility model can monitor in real time inter-phase spacer wave pulling force,
Transmission line galloping state, the stressing conditions of inter-phase spacer can be obtained in time, be easy to work about electric power personnel according to alternate
Stressing conditions are moved every club dance, improves the design and layout of inter-phase spacer, improves its reliability and validity, finally improve alternate
The anti-dance effect of conductor spacer.
The utility model has the characteristics that：Reliability is high, can long-term work out of doors, tolerance sleet, (- 20 ~ 50 DEG C),
The typical icing such as high humidity (~ 95% RH), vibration wave natural environment；It is simple in construction, designed using minimizing, reduce inessential match somebody with somebody
Part, using only battery powered and live quick-replaceable battery mode, reduce the quantity and weight for installing equipment on the line,
Improve system overall reliability and later maintenance difficulty；Communication speed is high, strong antijamming capability, long transmission distance, in real time
Property is strong, and specific frame structure is easy to data processing and breakdown judge；Perfect in shape and function, high accuracy is in light weight, low in energy consumption, meets alternate
Conductor spacer waves pulling force monitoring needs.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realized and obtained in the specification, claims and accompanying drawing write.
Brief description of the drawings
Fig. 1 is the site layout project schematic diagram of the alternate working-condition monitoring system of the utility model transmission line of electricity.
Fig. 2 is the theory diagram of the alternate working-condition monitoring system of the utility model transmission line of electricity.
Fig. 3 is the structure and scheme of installation of the utility model data acquisition front end units.
Fig. 4 is the theory diagram of control module in the utility model data acquisition front end units.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figures 1 to 4, the alternate working-condition monitoring system of transmission line of electricity, including data acquisition front end units, communication conversion
Unit and industrial computer.Data acquisition front end units include pulling force sensor 1, pulling force sensor 2 and control module, pulling force sensor
1 be connected with the inter-phase spacer of transmission line of electricity A phase-B phases, and the inter-phase spacer for detecting A phase-B phases waves pulling force signal,
Pulling force sensor 2 is connected with the inter-phase spacer of transmission line of electricity B phase-C phases, the dance of the inter-phase spacer for detecting B phase-C phases
Dynamic pulling force signal, control module connects pulling force sensor 1 and pulling force sensor 2 respectively, for receiving pulling force sensor 1 and pulling force
The signal that sensor 2 detects, and the signal received is sent to communication converting unit through wireless communication mode；Communication conversion
Unit transmits the data received to industrial computer through communication cable, shows, handles and stores in the enterprising row data of industrial computer.
The A phase lines 2 of transmission line of electricity, B phase lines 3, the both ends of C phase lines 4 are connected on the steel tower 1 of span shaft tower, A
Phase line 2, B phase lines 3, conductor spacer 5 is mounted on 4 liang of C phase lines, data acquisition front end units 7 are arranged on B phase lines
On conductor spacer 5, A phase-B phases, B phase-C phases inter-phase spacer 6 on pulling force sensor is installed, obtain its in real time wave pulling force letter
Number.The signal that pulling force sensor gathers is conveyed to control module by signal cable, is sent to by control module by wireless telecommunications
Converting unit 8 is communicated, communication converting unit 8 is arranged on the top of steel tower, and communication converting unit 8 connects industry control through communication cable 9
Machine 10；Industrial computer is waved pulling force signal curve in real time for processing data, and is shown and stored.
Inter-phase spacer 6 is typically mounted on the circuit at the 2/9-1/2 of line span, at shaft tower 50m-500m.
For effectively measurement pulling force signal, it is necessary to pulling force sensor is arranged on the circuit of connection inter-phase spacer, waved in transmission line of electricity
Moved simultaneously with inter-phase spacer when dynamic.Communicate on span shaft tower where converting unit 8 is arranged on tested inter-phase spacer, towards
Inter-phase spacer 6, is used for and converts data to wire signal, and industrial computer 10 is transferred to by communication cable 9.Communication conversion is single
Member 8 is arranged on steel tower tower top, to improve the sensitivity of wireless telecommunications reception；Using lightning protection isolation structure, tower is arranged on to reduce
The thunderbolt hidden danger that heading tape comes.Communication cable 9 uses double layer screen line to improve the antijamming capability of signal.
Industrial computer 10 is arranged on the downside of steel tower 1, external environmental protection case, using fan-free damascene structures, without any work
Dynamic component, and small volume, using beam, to improve its adaptability to scene.Using 220V mains-supplieds.It is external
Environmental protection case refer to stainless steel rain-proof dust-proof case, the stainless steel rain-proof dust-proof case is hung on steel tower.
In one embodiment, as shown in figure 3, the control module 75 of data acquisition front end units 7 is arranged on installation connecting plate
On 76, connected between control module 75 and pulling force sensor 71 by signal cable 77, installation connecting plate 76 is arranged in conductor spacer
On deckle board 74, inter-phase spacer 6 is arranged on conductor spacer exterior deckle board 73, is provided with pulling force sensor 71 for reducing alternate
Every the anti-collision sheath 72 that rod hits to connected pulling force sensor, anti-collision sheath 72 can use silicone rubber jacket, and pulling force passes
Sensor 71 is arranged on inter-phase spacer 6.
Anti-collision sheath 72 on pulling force sensor 71 is used to reduce inter-phase spacer 6 to pulling force sensor 71 during line oscillation
Impact damage；The signal of pulling force sensor 71 is conveyed to control module 75 by signal cable；Control module 75 is used to gather two
The signal of pulling force sensor 71, and it is sent by wireless telecommunications；Installation connecting plate 76 is used to consolidate control module 75
Conductor spacer center is scheduled on, reduces the damage waved and reversed to control module 75.Pulling force sensor 71 directly connects with inter-phase spacer 6
Connect, for its pulling force signal to be converted into electric signal.In order to reduce the power consumption of system, pulling force sensor 71 using resistance full-bridge without
Source structure, and unconventional curtage active structure, and using the IP66 water seal degree of protection that is covered with dust, needed with adapting to scene
Will.
Data acquisition front end units 7 are responsible for sensing, collection and the wireless telecommunications of inter-phase spacer pulling force signal.Due to direct
Inter-phase spacer is connected, is installed on circuit, therefore working environment is more severe, it is necessary to be resistant to various harsh natures when waving
Environment, and itself shock and vibration are waved, to ensure functional reliability.Therefore structure integrally using technical grade part,
Anticollision design is suitable for the natural ring that the typical icing such as sleet, high/low temperature (- 20 ~ 50 DEG C), high humidity (~ 95% RH), vibration are waved
Border；Simultaneously according to design principle is minimized, structural complexity is reduced, using only battery powered and live quick-replaceable battery mould
Formula, the power supply mode of a variety of fitment combinations such as traditional solar panels, controller for solar, battery is substituted, is reduced on the line
The quantity and weight of equipment is installed, overall weight is less than 2.5kg.
In one embodiment, as shown in figure 4, control module 75 includes protection box 751, aviation plug 753, lithium battery
754th, wireless communication module 755, ARM control modules 756 and D/A converter module 757, wherein, aviation plug 753 is arranged on anti-
Protect on box, aviation plug 753 is connected through signal cable 752 with D/A converter module 757.Lithium battery 754, wireless communication module
755th, ARM control modules 756 and D/A converter module 757 are arranged in protection box 751, and wireless communication module 755, digital-to-analogue turn
Mold changing block 757 is connected with ARM control modules 756, and lithium battery 754 is that ARM control modules 756 are powered.
Control module 75 is responsible for being wirelessly transferred for the collection of signal.ARM control modules 756 are responsible for overall control, using 32
Position low-power consumption arm processor, while supercomputing is met, also takes into account low-power consumption demand；Sample rate is adjustable, according to host computer
Instruction can be arbitrarily set to 1Hz-100Hz；Using batch (-type) sample mode, rather than full-time, make the system most of the time
In overall resting state, power consumption is reduced, the normal operation mode of 20Hz sample rates, power consumption 80mW, can be held from charged pool
Continuous work 120 days, can be supported 550 days according to 20% time service in 20Hz, remaining time sleep mode, battery.
D/A converter module 757 uses 24 high-precision analog-digital chips, resolution ratio uV, passes through aviation plug 753
Pulling force sensor 71 is directly connected to signal cable 752, and is no longer pass through traditional amplifier circuit, structure is on the one hand reduced and answers
Polygamy, on the other hand reduce power consumption.
For wireless communication module 755 using 2.4G arrowbands point-to- point communication mode, communication speed is high, reaches 2Mbps；Using
20dBm high emission power makes communication distance reach 1000m；Using automatic frequency adjustment, antijamming capability is improved, ensures reliable communicating；
Using sampling-transmission transmission mode, ensure real-time data transmission, no data accumulation and sluggishness；Using specific frame structure, data frame
It is made up of frame head address, data sequence number, data, is easy to data processing and breakdown judge.
Lithium battery 754 and protection box 751 are adopted as technical grade, and lithium battery 754 is used to providing electric energy, and protection box 751 is by institute
There is module sealing, integral protection grade is brought up to IP66.
The utility model obtains A phases-B by the first pulling force sensor set on the inter-phase spacer between A phase-B phases
Inter-phase spacer between phase waves pulling force, passes through the second pull sensing set on the inter-phase spacer between B phase-C phases
Device, obtain the inter-phase spacer between B phase-C phases waves pulling force；The pulling force signal entrance of waving of all acquisitions is arranged on steel tower
On communication converting unit, and industrial computer is passed to by communication cable；Industrial computer enters after pulling force primary signal is waved in acquisition
Row real-time display, processing, pulling force signal curve is generated, and the pulling force primary signal of acquisition is stored, industrial computer is tied according to processing
Fruit carries out signal feedback, sends and orders to data acquisition front end units, changes its sample rate.
The data acquisition front end units being installed on transmission line of electricity, are obtained by the pulling force sensor of data acquisition front end units
After inter-phase spacer waves pulling force in real time, be transferred to industrial computer via converting unit is communicated on steel tower.Industrial computer exists
After obtaining pulling force primary signal, real-time display, processing and storage are carried out.Can real-time display pulling force signal curve, and by acquisition
Pulling force primary signal is stored as general excel forms.Order, change furthermore it is also possible to be sent to data acquisition front end units
Its sample rate.
Illustrate, for above example only to illustrate the technical solution of the utility model and unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to the technical solution of the utility model, without departing from the utility model
The spirit and scope of technical scheme, it all should cover among right of the present utility model.
Claims (7)
1. the alternate working-condition monitoring system of transmission line of electricity, it is characterised in that：Including data acquisition front end units, communication converting unit and
Industrial computer；The data acquisition front end units include the first pulling force sensor, the second pulling force sensor and control module, and described
One pulling force sensor is connected with the inter-phase spacer of transmission line of electricity A phase-B phases, second pulling force sensor and transmission line of electricity B
The inter-phase spacer connection of phase-C phases, the control module connect first pulling force sensor and the second pull sensing respectively
Device, the control module pass through wireless communication mode connecting communication converting unit；The communication converting unit passes through communication cable
Connect industrial computer；Anti-collision sheath is provided with first pulling force sensor and second pulling force sensor.
2. the alternate working-condition monitoring system of transmission line of electricity according to claim 1, it is characterised in that：The data acquisition is preposition
Unit is arranged on the conductor spacer of transmission line of electricity B phases.
3. the alternate working-condition monitoring system of transmission line of electricity according to claim 2, it is characterised in that：The data acquisition is preposition
Unit includes installation connecting plate, and the control module is arranged on the installation connecting plate, and the installation connecting plate is arranged in conductor spacer
On deckle board.
4. the alternate working-condition monitoring system of transmission line of electricity according to claim 1, it is characterised in that：The control module includes
Wireless communication module, lithium battery, ARM control modules and D/A converter module；The wireless communication module, D/A converter module are equal
It is connected with the ARM control modules, the lithium battery is powered for ARM control modules.
5. the alternate working-condition monitoring system of transmission line of electricity according to claim 4, it is characterised in that：The control module is set
In in protection box, being provided with aviation plug on the protection box, the aviation plug is through signal cable and the digital-to-analogue conversion mould
Block connects.
6. the alternate working-condition monitoring system of transmission line of electricity according to claim 1, it is characterised in that：The communication converting unit
The steel tower top for the span shaft tower being arranged on where tested inter-phase spacer.
7. the alternate working-condition monitoring system of transmission line of electricity according to claim 6, it is characterised in that：The industrial computer is arranged on
On the downside of steel tower；The external environmental protection case of industrial computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720592507.XU CN206725143U (en) | 2017-05-25 | 2017-05-25 | The alternate working-condition monitoring system of transmission line of electricity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720592507.XU CN206725143U (en) | 2017-05-25 | 2017-05-25 | The alternate working-condition monitoring system of transmission line of electricity |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871169A (en) * | 2018-07-11 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of miniature power transmission line swaying monitoring device based on CORS system |
| CN109921362A (en) * | 2019-03-13 | 2019-06-21 | 清华四川能源互联网研究院 | A kind of intelligent electric power fitting for transmission line of electricity on-line monitoring |
| CN110375907A (en) * | 2019-06-13 | 2019-10-25 | 广西电网有限责任公司电力科学研究院 | A kind of system monitoring inter-phase spacer |
-
2017
- 2017-05-25 CN CN201720592507.XU patent/CN206725143U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871169A (en) * | 2018-07-11 | 2018-11-23 | 云南电网有限责任公司电力科学研究院 | A kind of miniature power transmission line swaying monitoring device based on CORS system |
| CN109921362A (en) * | 2019-03-13 | 2019-06-21 | 清华四川能源互联网研究院 | A kind of intelligent electric power fitting for transmission line of electricity on-line monitoring |
| CN109921362B (en) * | 2019-03-13 | 2021-11-02 | 清华四川能源互联网研究院 | Intelligent electric power fitting for on-line monitoring of power transmission line |
| CN110375907A (en) * | 2019-06-13 | 2019-10-25 | 广西电网有限责任公司电力科学研究院 | A kind of system monitoring inter-phase spacer |
| CN110375907B (en) * | 2019-06-13 | 2021-11-02 | 广西电网有限责任公司电力科学研究院 | System for monitoring phase-to-phase spacers |
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