CN204988257U - Transmission line waves orbit multidimension degree monitoring system - Google Patents
Transmission line waves orbit multidimension degree monitoring system Download PDFInfo
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- CN204988257U CN204988257U CN201520471303.1U CN201520471303U CN204988257U CN 204988257 U CN204988257 U CN 204988257U CN 201520471303 U CN201520471303 U CN 201520471303U CN 204988257 U CN204988257 U CN 204988257U
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Abstract
The utility model discloses a transmission line waves orbit multidimension degree monitoring system, including a plurality of wireless inertia measuring unit, shaft tower data pre processing unit and monitor cell, a plurality of wireless inertia measuring unit set up respectively on the wire, and shaft tower data pre processing unit sets up on the shaft tower, and monitor cell sets up at the control station, links to each other through radio signal between wireless inertia measuring unit and the shaft tower data pre processing unit, links to each other through the ethernet between shaft tower data pre processing unit and the monitor cell. The utility model discloses the orbit is waved to accurate monitoring transmission line's three -dimensional in real time, can in time discover to exist simultaneously the transmission line of accident potential, avoids economic loss.
Description
Technical field
The utility model type relates to transmission line of electricity on-line monitoring field, particularly relates to a kind of transmission line galloping track various dimensions monitoring system.
Background technology
Conductor galloping refers to the autovibration of a kind of low frequency that on-circular cross-section wire produces under wind load action, large amplitude.When wind speed reaches 5-25m/s, wire is the most easily waved.Conductor galloping can produce multiple harm, and such as tripping operation, wire arc burn, gold utensil damage, wire strand breakage, broken string, power transmission rod collapse, and is the key factor threatening transmission line of electricity safe operation.
The condition such as structural parameters, wind excitation of conductor galloping and wire has important relationship, terrain environment residing for wire, weather are different, conductor galloping state and wave track there is very large randomness, thus to the measurement of transmission line galloping track just become very difficult.
Existing conductor galloping trajectory measurement device mainly contains the monitoring device based on image processing techniques and the monitoring device based on acceleration transducer two kinds, wherein, monitoring device based on image processing techniques mainly passes through camera collection conductor galloping picture, by image processing techniques image data processing, thus draw conductor galloping characteristic parameter, this kind of detection method can only carry out qualitative detection to waving, and what accurately can not draw wire waves track; And be generally that degree of will speed up sensor is fixed on conductive line surfaces based on the pick-up unit of acceleration transducer, acceleration change when waving with acceleration transducer measure traverse line, thus calculate the displacement of wire, but acceleration transducer is directly installed on wire, easily be subject to electromagnetic interference, and when wire twists instead of wave, acceleration transducer still has result to export, this just causes measurement result to occur deviation.
Utility model content
The purpose of this utility model is to provide a kind of transmission line galloping track various dimensions detection system, the three-dimensional of accurate measurements transmission line of electricity in real time can wave track.
For achieving the above object, the utility model adopts following technical scheme:
Transmission line galloping track various dimensions monitoring system, comprise multiple radio inertia measuring unit, shaft tower data pre-processing unit and monitoring means, described multiple radio inertia measuring unit is separately positioned on each monitoring node of wire, shaft tower data pre-processing unit is arranged on shaft tower, monitoring means is arranged on monitoring station, be connected by wireless signal between described multiple radio inertia measuring unit and shaft tower data pre-processing unit, shaft tower data pre-processing unit is connected by Ethernet with between monitoring means.
Described radio inertia measuring unit comprises Inertial Measurement Unit, a Zigbee wireless module and the first power module, it is two-way communication between described Inertial Measurement Unit and a Zigbee wireless module, one Zigbee wireless module adopts F8913Zigbee module, and the first power module adopts solar panel and accumulator jointly to power.
Described radio inertia measuring unit also comprises power control circuit and the first power management module.
Described shaft tower data pre-processing unit comprises anemoscope, the 2nd Zigbee wireless module, central processing module, ethernet communication module and second source, the output terminal of described anemoscope connects the input end of central processing module, the output terminal of central processing module connects the 2nd Zigbee wireless module and ethernet module respectively, it is two-way communication between 2nd Zigbee wireless module and central processing module, 2nd Zigbee wireless module adopts F8913Zigbee module, and second source module adopts solar panel and accumulator jointly to power.
Described shaft tower data pre-processing unit also comprises second source administration module.
The utility model carrys out the movement state information at each monitoring node place of measure traverse line by Inertial Measurement Unit, and in monitoring center, the movement state information measured is carried out analytical calculation and storage, the 3 D motion trace of conductor galloping can be monitored in real time, for transmission line galloping research provides data information accurately, simultaneously can there is the transmission line of electricity of accident potential by Timeliness coverage, avoid economic loss; Adopt ZigBee technology communication between unit, guarantee to work alone between each measured node, defining can the stable cordless communication network of long-distance sand transport signal, avoids mutual interference; Adopt ethernet communication between shaft tower data pre-processing unit and monitoring means, stability be high, good confidentiality, long transmission distance, can avoid relying on third party's network and the phenomenon of transmission shakiness that causes; Power module adopts solar panel and accumulator jointly to power, and assurance device can work steadily in the long term.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Embodiment
The utility model comprises multiple radio inertia measuring unit, shaft tower data pre-processing unit and monitoring means, be connected by wireless signal between multiple radio inertia measuring unit and shaft tower data prediction station, shaft tower data pre-processing unit is connected by Ethernet with between detecting unit, multiple radio inertia measuring unit is separately positioned on each monitoring node of wire, radio inertia measuring unit comprises Inertial Measurement Unit, one Zigbee wireless module, first power module, first power management module and power control circuit, Inertial Measurement Unit can measure three axis angular rates of transmission line galloping in real time, 3-axis acceleration and magnetic dip, and it is low in energy consumption, stability is high, for being bi-directionally connected between Inertial Measurement Unit and a Zigbee wireless module, realize bidirectional transfer of information, first power module comprises solar panel and accumulator, be used for powering to Inertial Measurement Unit and a Zigbee wireless module, first power management module can regulate the output of solar panel, make solar panel with maximum power output, achieve constant voltage equalizaing charge and constant voltage floating charge, effective prolonging service life of battery, and there is the under-voltage protection of battery, the function such as overcurrent protection and short-circuit protection, power control circuit be used for control Inertial Measurement Unit energising with electric, to reach the object of saving energy consumption, shaft tower data pre-processing unit is arranged on shaft tower, comprise anemoscope, 2nd Zigbee wireless module, central processing module, ethernet communication module, second source and second source administration module, the input end of the output terminal connection control device of anemoscope, the output terminal of controller connects the 2nd Zigbee wireless module and ethernet communication module respectively, for being bi-directionally connected between 2nd Zigbee wireless module and central processing module, bidirectional transfer of information can be realized, second source module comprises solar panel and accumulator, be used for anemoscope, 2nd Zigbee wireless module and controller are powered, second source administration module can regulate the output of solar panel, make solar panel with maximum power output, achieve constant voltage equalizaing charge and constant voltage floating charge, effective prolonging service life of battery, and there is the under-voltage protection of battery, the function such as overcurrent protection and short-circuit protection, detecting unit is arranged on monitoring station, is used for carrying out analytical calculation and storage to the signal of shaft tower data pre-processing unit transmission, and result is shown on host computer.
One Zigbee wireless module and the 2nd Zigbee wireless module all adopt F8913Zigbee wireless module, its working frequency range is 2.4GHz, lowest power consumption 2.2mA, supports RS232 interface, point-to-point transmission range is 2000m farthest, can accept and wireless signal emission.Utilize Zigbee wireless module to carry out star net forming, can guarantee to work alone between node, avoid mutual interference, add the stability of system, achieve low-power consumption, low cost, remote, stable transmission of wireless signals.
Central processing module in shaft tower data pre-processing unit adopts ARM1176JZF-S core, inside save as 512Mb, comprise 40 GPIO mouths, 4 USB2.0 interfaces, 8G storage cards, the functions such as data acquisition, signals collecting, data processing can be performed fast, and energy consumption is lower.
Anemoscope adopts three cup type optoelectronic sensor for wind speed WAA15, and measurement range is 0-75m/s, and output signal as pulse signal, signal frequency is directly proportional to wind speed, has frequently been carried out the measurement of wind speed by the meter of unit interval.
Ethernet communication module based on bridge technology adopts Aironet1600, frequency range 2.4GHz, network standard IEEE802.11n, RJ45 interface, can automatically identify dissimilar interference, classify, and provide automatic remedial measures targetedly, find out and display interference source.
Because the utility model is in field environment, power supply is not its energy supply easily, so radio inertia measuring unit and shaft tower data prediction station adopt solar panel and accumulator to work in coordination with the pattern of power supply, solar panel and accumulator are that device is powered by power management module and power control circuit.Power management module makes solar panel with maximum power output, achieves constant voltage equalizaing charge and constant voltage floating charge, effective prolonging service life of battery, and has under-voltage protection, the function such as overcurrent protection and short-circuit protection of battery.Accumulator adopts lead-acid accumulator.When fine day abundance at sunshine time, powered to whole system by solar panel, and by unnecessary electrical power storage in thick battery, when overcast and rainy illumination is not enough, is that device is powered by accumulator, device is worked steadily in the long term.
Meanwhile, a Zigbee wireless module enters dormant state when not working, and can save energy consumption.
Claims (5)
1. transmission line galloping track various dimensions monitoring system, it is characterized in that: comprise multiple radio inertia measuring unit, shaft tower data pre-processing unit and monitoring means, described multiple radio inertia measuring unit is separately positioned on each monitoring node of wire, shaft tower data pre-processing unit is arranged on shaft tower, monitoring means is arranged on monitoring station, be connected by wireless signal between described multiple radio inertia measuring unit and shaft tower data pre-processing unit, shaft tower data pre-processing unit is connected by Ethernet with between monitoring means.
2. transmission line galloping track various dimensions monitoring system as claimed in claim 1, it is characterized in that: described radio inertia measuring unit comprises Inertial Measurement Unit, a Zigbee wireless module and the first power module, it is two-way communication between described Inertial Measurement Unit and a Zigbee wireless module, one Zigbee wireless module adopts F8913Zigbee module, and the first power module adopts solar panel and accumulator jointly to power.
3. transmission line galloping track various dimensions monitoring system as claimed in claim 2, is characterized in that: described radio inertia measuring unit also comprises power control circuit and the first power management module.
4. transmission line galloping track various dimensions monitoring system as claimed in claim 3, it is characterized in that: described shaft tower data pre-processing unit comprises anemoscope, 2nd Zigbee wireless module, central processing module, ethernet communication module and second source, the output terminal of described anemoscope connects the input end of central processing module, the output terminal of central processing module connects the 2nd Zigbee wireless module and ethernet module respectively, it is two-way communication between 2nd Zigbee wireless module and central processing module, 2nd Zigbee wireless module adopts F8913Zigbee module, second source module adopts solar panel and accumulator jointly to power.
5. transmission line galloping track various dimensions monitoring system as claimed in claim 4, is characterized in that: described shaft tower data pre-processing unit also comprises second source administration module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520471303.1U CN204988257U (en) | 2015-07-03 | 2015-07-03 | Transmission line waves orbit multidimension degree monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520471303.1U CN204988257U (en) | 2015-07-03 | 2015-07-03 | Transmission line waves orbit multidimension degree monitoring system |
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| CN204988257U true CN204988257U (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931002A (en) * | 2015-07-03 | 2015-09-23 | 国网河南省电力公司电力科学研究院 | Power transmission line swing track multi-dimension monitoring system and monitoring method |
| CN106033499A (en) * | 2016-05-17 | 2016-10-19 | 西安交通大学 | Method for evaluating monitoring result of electric transmission line waving monitoring device |
-
2015
- 2015-07-03 CN CN201520471303.1U patent/CN204988257U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931002A (en) * | 2015-07-03 | 2015-09-23 | 国网河南省电力公司电力科学研究院 | Power transmission line swing track multi-dimension monitoring system and monitoring method |
| CN106033499A (en) * | 2016-05-17 | 2016-10-19 | 西安交通大学 | Method for evaluating monitoring result of electric transmission line waving monitoring device |
| CN106033499B (en) * | 2016-05-17 | 2019-04-12 | 西安交通大学 | A kind of appraisal procedure of power transmission line swaying monitoring device monitoring result |
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