CN206113898U - Displacement real -time monitoring system is waved to steel pylons tower material - Google Patents
Displacement real -time monitoring system is waved to steel pylons tower material Download PDFInfo
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- CN206113898U CN206113898U CN201621138252.1U CN201621138252U CN206113898U CN 206113898 U CN206113898 U CN 206113898U CN 201621138252 U CN201621138252 U CN 201621138252U CN 206113898 U CN206113898 U CN 206113898U
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 46
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000012544 monitoring process Methods 0.000 title claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 title abstract description 5
- 239000010959 steel Substances 0.000 title abstract description 5
- 230000001133 acceleration Effects 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 17
- 239000010935 stainless steel Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 abstract description 11
- 230000003750 conditioning effect Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000011835 investigation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012806 monitoring device Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a displacement real -time monitoring system is waved to steel pylons tower material, keep apart unit, signal acquisition platform, power supply unit, communication unit and displacement conversion unit including sensing unit, signal conditioning, the sensing unit is acceleration sensor, acceleration sensor and signal conditioning keep apart the unit connection, signal conditioning keep apart the unit with the signal acquisition platform is connected, the observing and controlling unit is connected through the communication unit to the signal acquisition platform, observe and control unit connection displacement conversion unit, the power supply unit is the power supply of signal acquisition platform. The utility model discloses vibration displacement that can real -time supervision shaft tower tower material is waved under the state at the transmission pressure, and the power operating personnel real -time supervision shaft tower displacement volume of being convenient for size comes to judge the safe state of shaft tower according to this, in case the shaft tower has the trend of causing danger, can in time take the remedy.
Description
Technical field
The utility model is related to electric power pylon monitoring field, waves displacement more particularly, to a kind of electric power pylon tower material real-time
Monitoring system.
Background technology
The ultra-high-tension power transmission line brandishing of Northern Part of China is the subject matter for threatening electric power netting safe running, especially
500kV and its above backbone network circuit, once there is windage yaw electric discharge, cause tripping operation, will cause large-area power-cuts, not only produce straight
The economic loss for connecing, can also seriously threaten the security and the reliability of electrical network.
In recent years, with the development of power grid construction, and the impact of disastrous meteorological condition, China's galloping of overhead transmission line
The frequency and intensity that accident occurs all substantially increase.Waving in addition to it may cause electrical hazard for ice coating wire, goes back when serious
The impaired even major accident such as tower of broken string, steel tower can be caused.Wave and typically cause tower material bolt looseness first, and then cross-arm is disconnected
Split, then go offline accident.Before waving and producing ill effect, Real Time Monitoring tower material waves vibration characteristics, for
Simultaneously the harm of early warning line oscillation is most important for research.
Publication number CN 104501769 provides a kind of electric power line pole tower condition detection method and its device, by surveying
Away from measurement device data, the step of calculate latitude, longitude, height above sea level, and the step of calculate side-play amount.Publication number CN
102494650 provide a kind of pole tower displacement monitoring system, including shaft tower displacement monitoring terminal and the ground that is connected electrically it is the next
Move monitoring terminal；Shaft tower displacement monitoring terminal is arranged on shaft tower, including main control module, and is electrically connected with main control module
Ground shaft tower displacement transducer, power module and communication module；Underground displacement monitoring terminal is arranged on subterrane, including
Control module and the displacement transducer being connected electrically, by using displacement transducer the displacement of shaft tower and basement rock is monitored respectively
Amount, by shaft tower displacement and bed rock displacement amount, can calculate displacement of the shaft tower relative to basement rock.
The Chinese patent of publication number CN201233275 discloses a kind of accurate measurement high-tension line throw amplitude value and frequency
The power supply sensor circuit arranged in detection means, including seal casinghousing and housing and data processing circuit；Data processing circuit bag
Include low-power scm, vibration amplitude detection circuit, vibration frequency detection circuit, signal amplification circuit, sampling hold circuit, A/
D change-over circuits and signal long-distance radiating circuit.The Chinese patent of publication number CN201134152 provides a kind of overhead transmission line
Monitoring device and system are waved in road, including：Acceleration transducer, signal condition unit, wireless transmit/receive units and power supply；Accelerate
Degree sensor is coupled with signal condition unit, and signal condition unit is coupled with wireless transmit/receive units；Acceleration transducer pair
The acceleration signal of waving for waving monitoring point on overhead transmission line conductor is monitored, and the acceleration signal of monitoring is passed
Give signal condition unit；Signal condition unit carries out signal condition to acceleration signal, and the acceleration standard for generating is believed
Number send wireless transmit/receive units to；The acceleration standard signal of reception is carried out wireless transmission by wireless transmit/receive units；Power supply is used for
Work energy is provided.
And the vibration of shaft tower tower material that conductor galloping is caused is different from general oscillatory type, belong to 0.1-3Hz low frequency,
Superlow frequency vibrating, therefore measuring method is different from general shaft tower displacement measurement.Existing transmission line galloping e measurement technology is more
Concentrate on the measurement of conductor galloping track；Conductor galloping is characterized in that low frequency, large amplitude, and tower material vibration displacement feature be low frequency,
Displacement is little, therefore measuring method is different from the measurement of conductor galloping track, and not yet has at present for electric power pylon tower material dance
The device of dynamic displacement monitoring.
Utility model content
In view of this, the purpose of this utility model is for the deficiencies in the prior art, there is provided a kind of electric power pylon tower material dance
Dynamic real-time displacement monitoring system, to the vibration displacement of real-time monitoring tower material.
To reach above-mentioned purpose, the utility model is employed the following technical solutions：
A kind of electric power pylon tower material waves real-time displacement monitoring system, including sensing unit, signal condition isolation list
Unit, signals collecting platform, power supply unit, communication unit and displacement converting unit, the sensing unit be acceleration transducer, institute
State acceleration transducer to be connected with signal condition isolated location, the signal condition isolated location connects with the signals collecting platform
Connect, the signals collecting platform Jing communication units connect measurement and control unit, the measurement and control unit connection position moves converting unit, the confession
Electric unit is signals collecting platform power.
Preferably, the signals collecting platform adopts cRIO signals collecting platforms.
Preferably, the signals collecting platform Jing data collecting cards are connected with signal condition isolated location.
Preferably, the acceleration transducer adopts capacitance acceleration transducer.
Preferably, the acceleration transducer includes 3-axis acceleration sensor and single-axis acceleration sensors.
Preferably, the signals collecting platform is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower
On material.
Preferably, the signals collecting platform is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower
On material.
Preferably, the acceleration transducer is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower
On material.
Preferably, the signal condition isolated location is arranged in stainless steel caisson, and the stainless steel caisson is arranged
On tower material.
The beneficial effects of the utility model are：
The utility model arranges multiple acceleration transducers on tower material of iron tower, is capable of the vibration of real-time monitoring shaft tower tower material
Displacement, under Galloping of Overhead Transmission Line state, is easy to work about electric power personnel's real-time monitoring shaft tower amount of displacement, comes according to this to shaft tower
Safe condition judged, once shaft tower has the trend caused danger, can adopt remedial measures in time.
The utility model adopts modular construction, system reliability to improve, while site examining and repairing, event is also greatly reduced
The difficulty of barrier investigation work.Meanwhile, signals collecting platform, acceleration transducer, signal condition isolated location are arranged at not
In rust steel caisson, stainless steel caisson is fixed on tower material using CARBURIZING FURNACE FOR STAINLESS FASTENER, is effectively reduced mechanical oscillation and brings
Impact, and make degree of protection reach requirement.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or by implement the utility model and understand.The purpose of this utility model and other advantages can pass through
Specifically noted structure is realizing and obtain in the specification, claims and accompanying drawing write.
Description of the drawings
Fig. 1 is the structured flowchart that a kind of electric power pylon tower material of the utility model waves real-time displacement monitoring system.
Fig. 2 is the letter that a kind of electric power pylon tower material of the utility model waves signals collecting platform in real-time displacement monitoring system
Number transmission schematic diagram.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the utility model includes that sensing unit, signal condition isolated location, signals collecting are put down
Platform, power supply unit, communication unit and displacement converting unit, sensing unit is acceleration transducer, acceleration transducer be it is multiple,
It is each attached on tower material of iron tower.Acceleration transducer is connected with signal condition isolated location, signal condition isolated location and signal
Acquisition platform connects, and signals collecting platform Jing communication units connection measurement and control unit, measurement and control unit connection position moves converting unit, power supply
Unit is signals collecting platform power.Signals collecting platform Jing data collecting cards are connected with signal condition isolated location.Acceleration
Sensor includes two kinds of 3-axis acceleration sensor and single-axis acceleration sensors.Signals collecting platform is adopted using communication unit
The data transfer for collecting is on measurement and control unit or on the computer of observing and controlling machine room.Displacement converting unit believes the acceleration for collecting
Number acceleration-speed-shift transformation is carried out, offline acceleration information is processed, shown, analyze, process, change, deposit
Storage acceleration signal.
In one embodiment, as shown in Fig. 2 signals collecting platform is put down using the NIcRIO signals collectings of NI companies of the U.S.
Platform（Abbreviation cRIO platforms）, signals collecting platform and acceleration transducer interface between the two are that cRIO platforms are given in signal front end
1 ~ 5V of standard voltage signal.CcRIO platforms are not required to it is to be understood that the signal type that collects of sensor foremost, it is only necessary to pin
1 ~ 5V the voltage signals finally sent to it are acquired, due to being operated in outdoor, it is necessary to possess and determine antijamming capability, because
This data collecting card with possess signal isolation NI9239 based on, in addition, cRIO platforms typically also carry the GPS of time service
Card.
In one embodiment, power supply unit is powered using 220V power supplys.The metering system of vibration displacement mainly has directly
Measurement and indirect measurement method.Wherein direct measurement high precision, it is not necessary to which signal is changed, however it is necessary that a fixing point is used as ginseng
Examine.And shaft tower is when vibrating, shaft tower integrally all can vibrate, therefore be not suitable for direct measuring method.Indirect measurement method
By measuring absolute magnitude --- acceleration, then carry out data conversion and calculate displacement.Applicable sensor includes piezoelectric type, electricity
Appearance formula etc..The output for being experimentally confirmed piezoelectric transducer is increasing with the dropout error of frequency, in tower material vibration measurement
It is difficult to apply in system.To sum up, the utility model is sensed using capacitance acceleration transducer as the measurement of tower material vibration displacement
Device.
Acceleration signal and signals collecting platform are carried out electrical isolation, signal and are become by the effect of signal condition isolated location
Send, while being sensor power.Using signal condition isolated location match completely with signals collecting platform interface, can -20 ~
Normal long-term work at 70 DEG C, and it is compact structure, easy for installation, it is easy to site operation and replacing.
In one embodiment, it is effectively to reduce the impact that mechanical oscillation bring, and makes degree of protection reach requirement, will believes
Number acquisition platform, acceleration transducer, signal condition isolated location are arranged in stainless steel caisson, by stainless steel caisson
It is fixed on tower material using CARBURIZING FURNACE FOR STAINLESS FASTENER.
Interface has 220V power supplys, GPS lines and the part of netting twine three.Rule of thumb, there is the possibility of Lightning Over-voltage in network interface
It is less, and the fault rate of port lightning preventing device is higher, therefore network interface does not adopt arrester, but employ and surpass five classes with shielding
Netting twine, on the one hand can reduce High-frequency Interference, on the other hand can improve data transmission distance.In power lightning protection and anti-interference
On, rely primarily on the own arrester of steel tower and auto reclosing switch, and power frequency isolation transformer, famous brand Switching Power Supply
With multistage electromagnetic interface filter.
At the anti-interference aspect of signal, mainly shielded using TRVSP tension double shielded twisted pair lines, copper and 304 stainless steels
Net, is simulated signal, 220V power supplys and network cable transmission, makes full use of twisted wire differential signal transmission, reduces difference and magnetic field is dry
Disturb, screen layer then reduces electromagnetic interference.
In terms of hardware interface, adopt degree of protection and be attached for the air plug of the different core numbers of IP67, on the one hand can be with
Ensure the reliability of signal transmission, on the one hand can ensure that interference free performance.In terms of damping, the easy vibration position of all boards
Beam is all adopted, vibrational energy is absorbed；In terms of degree of protection, in addition to thread-protected tube, the air plug of IP67, using stainless
Electronic equipment inside different size of caisson protection.
The course of work of the present utility model is：The shaft tower vibration acceleration signal that capacitance acceleration transducer is obtained is passed through
After conditioning and isolation, NI capture cards are accessed, the expansion measurement of acceleration signal is carried out by signals collecting platform, accelerated obtaining
After degree primary signal, processed offline software reads historical data, and acceleration signal is converted to into displacement signal.
It should be noted that above example only to illustrate the technical solution of the utility model and unrestricted, this area
Other modifications or equivalent that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme, all should cover in the middle of right of the present utility model.
Claims (8)
1. a kind of electric power pylon tower material waves real-time displacement monitoring system, it is characterised in that：Including sensing unit, signal condition every
From unit, signals collecting platform, power supply unit, communication unit and displacement converting unit, the sensing unit is acceleration sensing
Device, the acceleration transducer is connected with signal condition isolated location, the signal condition isolated location and the signals collecting
Platform connects, and the signals collecting platform Jing communication units connect measurement and control unit, and the measurement and control unit connection position moves converting unit,
Said supply unit is signals collecting platform power.
2. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Signals collecting platform adopts cRIO signals collecting platforms.
3. a kind of electric power pylon tower material according to claim 2 waves real-time displacement monitoring system, it is characterised in that：It is described
Signals collecting platform Jing data collecting cards are connected with signal condition isolated location.
4. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Acceleration transducer adopts capacitance acceleration transducer.
5. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Acceleration transducer includes 3-axis acceleration sensor and single-axis acceleration sensors.
6. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Signals collecting platform is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower material.
7. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Acceleration transducer is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower material.
8. a kind of electric power pylon tower material according to claim 1 waves real-time displacement monitoring system, it is characterised in that：It is described
Signal condition isolated location is arranged in stainless steel caisson, and the stainless steel caisson is arranged on tower material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138252.1U CN206113898U (en) | 2016-10-19 | 2016-10-19 | Displacement real -time monitoring system is waved to steel pylons tower material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621138252.1U CN206113898U (en) | 2016-10-19 | 2016-10-19 | Displacement real -time monitoring system is waved to steel pylons tower material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206113898U true CN206113898U (en) | 2017-04-19 |
Family
ID=58527419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621138252.1U Active CN206113898U (en) | 2016-10-19 | 2016-10-19 | Displacement real -time monitoring system is waved to steel pylons tower material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206113898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414471A (en) * | 2020-11-27 | 2021-02-26 | 国网黑龙江省电力有限公司电力科学研究院 | Safety monitoring system for power transmission tower in alpine region |
| CN114034376A (en) * | 2021-11-05 | 2022-02-11 | 国网山东省电力公司青岛供电公司 | Vibration monitoring terminal for transmission tower |
-
2016
- 2016-10-19 CN CN201621138252.1U patent/CN206113898U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112414471A (en) * | 2020-11-27 | 2021-02-26 | 国网黑龙江省电力有限公司电力科学研究院 | Safety monitoring system for power transmission tower in alpine region |
| CN114034376A (en) * | 2021-11-05 | 2022-02-11 | 国网山东省电力公司青岛供电公司 | Vibration monitoring terminal for transmission tower |
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