CN202075032U - Power transmission line waving on-line monitoring device based on GPS positioning - Google Patents

Power transmission line waving on-line monitoring device based on GPS positioning Download PDF

Info

Publication number
CN202075032U
CN202075032U CN2011200898736U CN201120089873U CN202075032U CN 202075032 U CN202075032 U CN 202075032U CN 2011200898736 U CN2011200898736 U CN 2011200898736U CN 201120089873 U CN201120089873 U CN 201120089873U CN 202075032 U CN202075032 U CN 202075032U
Authority
CN
China
Prior art keywords
transmission line
module
gprs
electricity
gps receiver
Prior art date
Application number
CN2011200898736U
Other languages
Chinese (zh)
Inventor
刘哲
王强
刘亮
马昀涛
张益国
Original Assignee
河北省电力勘测设计研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 河北省电力勘测设计研究院 filed Critical 河北省电力勘测设计研究院
Priority to CN2011200898736U priority Critical patent/CN202075032U/en
Application granted granted Critical
Publication of CN202075032U publication Critical patent/CN202075032U/en

Links

Abstract

The utility model relates to a power transmission line waving on-line monitoring device based on GPS positioning, comprising an expert system, a to-be-measured satellite, a GPS receiver arranged on the power transmission line and communicating with the to-be-measured satellite via wireless communication and a GPRS/CDMA communication module, wherein an output end of the GPRS/CDMA communication module is connected with the expert system, an input end of the GPRS/CDMA communication module is connected with the GPS receiver, and the GPS receiver and an input end of the GPRS/CDMA communication module are connected with a lead energy-taking module arranged on the power transmission line. With scan frequency being more than 20Hz, the power transmission line waving on-line monitoring device can accurately calculate waving situations of the power transmission line. With millimeter grade positioning precision, the power transmission line waving on-line monitoring device substantially improves measuring accuracy.

Description

Transmission line galloping on-Line Monitor Device based on the GPS location

Technical field

The utility model relates to a kind of on-Line Monitor Device, especially for a kind of device of monitoring the transmission line galloping state on the transmission line of electricity.

Background technology

China is the country of overhead transmission line galloping pilosity, in recent years, and along with the development of power grid construction, overhead transmission line towards the heavy in section, polytomic direction develops, the circuit accident of waving more becomes frequently, and the loss that is caused is more serious, the safe and stable operation of serious threat electrical network.Transmission line of electricity is described to be waved is that transmission line of electricity is subjected to the wind of horizontal direction when moving, produces certain air lift, brings out lead and produces a kind of large amplitude (can reach more than the 10m), low frequency (0.1~3.0Hz) autovibration.The waving unusually of transmission line of electricity can take place such as: lead electric arc burn, gold utensil damage, disconnected strand of lead, broken string, the accident such as tower of falling, and have a strong impact on the safe operation of electrical network.

The transmission line galloping on-Line Monitor Device can be monitored in real time to the situation of waving of transmission line of electricity, when finding that transmission line galloping is unusual, in time offer Surveillance center in advance, so that take immediate steps, prevent the generation of mishap, thereby improve the reliability of power transmission line safe operation.

Common transmission line galloping on-Line Monitor Device mainly contains following two kinds at present:

1) based on camera and image processing techniques

By being installed in the monitoring terminal acquisition camera picture at transmission line of electricity scene, the Applied Digital image processing techniques is handled the image scene data is analyzed, delineate out the border of lead, the variation according to the lead border draws the characteristic parameter of waving then, judges the rank of waving of power transmission line.This monitoring method is normally carried out qualitative monitoring to waving, and realizes that Quantitative Monitoring also needs further to improve the precision of Flame Image Process.

2) acceleration transducer

This pick-up unit is that degree of will speed up sensor is fixed on conductive line surfaces, and the acceleration change when using acceleration transducer to measure conductor galloping is according to the displacement of acceleration calculation lead.Acceleration transducer uses built-in powered battery, and measurement result sends by wireless mode.Use this monitoring device, though can to transmission line of electricity wave the realization detection by quantitative, when lead twisted but not waves, acceleration transducer still had measurement result output, deviation will take place in the conductor galloping situation of utilizing this data computation to obtain, influences measuring accuracy.

The utility model content

The utility model technical issues that need to address provide a kind of be applied on the transmission line of electricity high measurement accuracy wave on-Line Monitor Device.

For solving the problems of the technologies described above, technical solution adopted in the utility model is:

Transmission line galloping on-Line Monitor Device based on the GPS location, comprise and be used for the expert system that computing electric power line is waved state, also comprise the satellite to be measured that is used to obtain the transmission line of electricity position, be installed on the transmission line of electricity with wireless GPS receiver that communicates of the passing of satelline to be measured and the GPRS/CDMA communication module that is connected with GPS receiver output terminal, the output terminal of described GPRS/CDMA communication module connects expert system, the input end of described GPS receiver and GPRS/CDMA communication module all be arranged on transmission line of electricity on lead get the energy module and be connected.

Principle of work of the present utility model is as described below:

At first lead is got the magnetic field that the electric current that can module utilizes transmission line of electricity itself to flow through produces and is obtained electric energy, for GPS receiver and GPRS/CDMA communication module provide power supply; Expert system is selected satellite to be measured according to certain satellite cutoff angle, and the GPS receiver is used to catch the ruuning situation of these satellites, can measure the GPS receiver to the pseudo-distance of satellite and the rate of change of distance, and demodulates data such as satellite orbit parameter.The GPS receiver positions calculating according to these data according to the location settlement method again, as the known data of starting at, determines the locus of GPS receiver place transmission line of electricity with the satellite instantaneous position of high-speed motion.The GPS receiver is transferred to the GPRS/CDMA communication module with result of calculation; GPRS/CDMA communication module process wireless network sends to the three-dimensional coordinate of the transmission line of electricity monitoring point that the GPS receiver calculates in the expert system that is arranged in the transformer station; Expert system is according to receiving the situation of waving that data computation draws transmission line of electricity.

Lead described in the utility model get can module concrete structure be: described lead get can module comprise be sleeved on the transmission line of electricity get can coil, with get rectification filtering module that energy coil output terminal is connected, be connected the DC-DC modular converter with the output terminal of rectification filtering module.Get and to be used for the magnetic field that the transmission line of electricity electric current produces is converted to alternating voltage by coil; Rectification filtering module is converted to DC voltage with alternating voltage, and this DC voltage is carried out Filtering Processing, to reduce the harmonic wave in the voltage; The DC-DC modular converter is used for filtered DC voltage is converted to the needed low-voltage DC of the utility model, and flows to GPS receiver and GPRS/CDMA communication module.

The improvement that above-mentioned lead is got the energy module is: described getting between energy coil and the rectification filtering module also is provided with the protecting against shock protection module, and the superpotential that the protecting against shock protection module forms when being used to prevent transmission line malfunction, short circuit or power system operation produces the utility model impacts.

Described lead get can module further improvement be: be provided with charge circuit between described rectification filtering module and the DC-DC modular converter, and the Li-Ion rechargeable battery that is arranged in parallel with charge circuit.Charge circuit is used for Li-Ion rechargeable battery is charged, as the standby power supply of this device power supply.

The improvement that described lead is got the energy module also is: be arranged in parallel the voltage monitoring module between the input end of described protecting against shock protection module and the output terminal of rectification filtering module.The voltage monitoring module is used for the voltage of getting the generation of energy coil is monitored in real time, gets when brownout and can module unlatching lithium ion battery be powered by device.

Because the technical progress of having adopted technique scheme, the utility model to obtain is:

The satellite to be measured that the utility model is selected by expert system and be arranged on the transmission line of electricity GPS receiver state of waving of transmission line of electricity is monitored, sweep frequency is more than the 20Hz, can accurately calculate the situation of waving of transmission line of electricity, its bearing accuracy can reach the millimeter level, has improved the degree of accuracy of measuring greatly.Lead is got the setting of energy module in the utility model, can utilize the needed voltage of the electric current-producing device that flows through in the transmission line of electricity easily, changed and used other electric supply installations in the monitoring device of prior art, reduce the volume and weight of device, thereby can alleviate the load of transmission line of electricity.

Lead is got the setting of protecting against shock protection module in the energy module, can prevent effectively that the superpotential that forms when transmission line malfunction, short circuit or power system operation from producing impact, the safe operation of protective device better to the utility model.The setting of charge circuit and lithium ion battery can be opened lithium ion battery device is powered when brownout, effectively guaranteed the continuous operation of device.The setting of voltage monitoring module can realize the voltage of getting the generation of energy coil is monitored in real time, gets when brownout and can module unlatching lithium ion battery be powered by device.

Description of drawings

Fig. 1: structural representation of the present utility model;

Fig. 2: lead shown in the utility model is got the structural representation of energy module.

Wherein: 1.GPS receiver, 2.GPRS/CDMA communication module, 3. expert system; 4. satellite to be measured; 5. lead is got the energy module, and 51. get energy coil, 52. rectification filtering modules; 53.DC-DC modular converter; 54. the protecting against shock protection module, 55. charge circuits, 56. Li-Ion rechargeable batteries; 57. voltage monitoring module, 6. transmission line of electricity.

Embodiment

Below in conjunction with the drawings and the specific embodiments the utility model is done further to describe in detail:

A kind of structural representation of the transmission line galloping on-Line Monitor Device based on GPS location as shown in Figure 1, comprising that GPS receiver 1, satellite to be measured 4, GPRS/CDMA communication module 2, lead are got can module 5 and expert system 3.

GPS receiver and lead are got and can module 5 be installed on the transmission line of electricity; Lead is got the output terminal connection GPS receiver of energy module and the input end of GPRS/CDMA communication module, is its power supply; The output terminal of GPS receiver connects the input end of GPRS/CDMA communication module, and the three-dimensional coordinate of the transmission line of electricity monitoring point that calculates is provided for the GPRS/CDMA communication module; Expert system is arranged in the transformer station, is used for the state of waving of computing electric power line; Carry out the transmission of data between GPRS/CDMA communication module and the expert system by wireless network.

Lead is got the energy module as shown in Figure 2, mainly comprises getting energy coil 51, protecting against shock protection module 54, rectification filtering module 52, DC-DC modular converter 53, voltage monitoring module 57 and lithium cell charging loop.Get the energy line snare and be contained on the transmission line of electricity 6, the output terminal of getting the energy coil connects rectification filtering module through the protecting against shock protection module, and the output terminal of rectification filtering module connects the DC-DC modular converter, and high voltage is carried out low voltage transition.The voltage monitoring module is arranged in parallel at the two ends of protecting against shock protection module 54 and rectification filtering module 52, is used to monitor the voltage condition of getting the generation of energy coil.

The lithium cell charging loop comprises Li-Ion rechargeable battery 56 and charge circuit 55, and the lithium cell charging loop is arranged in parallel between rectification filtering module 52 and DC-DC modular converter 53.Li-Ion rechargeable battery is used for when the voltage of getting the output of energy module is low device being powered.

Principle of work based on the transmission line galloping on-Line Monitor Device of GPS location is as described below:

At first lead is got the magnetic field that the electric current that can module utilizes transmission line of electricity itself to flow through produces and is obtained electric energy, for GPS receiver and GPRS/CDMA communication module provide power supply; Expert system is selected satellite to be measured according to certain satellite cutoff angle, and the GPS receiver is used to catch the ruuning situation of these satellites, can measure the GPS receiver to the pseudo-distance of satellite and the rate of change of distance, and demodulates data such as satellite orbit parameter.

The GPS receiver positions calculating according to these data according to the location settlement method again, as the known data of starting at, determines the position of GPS receiver place transmission line of electricity point to be monitored with the satellite instantaneous position of high-speed motion.Can determine following four equations according to the clock correction of satellite clock and the clock correction of GPS receiver:

[(x 1-x) 2+(y 1-y) 2+(z 1-z) 2] 1/2+c(Vt 1-Vt o)=d 1

[(x 2-x) 2+(y 2-y) 2+(z 2-z) 2] 1/2+c(Vt 2-Vt o)=d 2

[(x 3-x) 2+(y 3-y) 2+(z 3-z) 2] 1/2+c(Vt 3-Vt o)=d 3

[(x 4-x) 2+(y 4-y) 2+(z 4-z) 2] 1/2+c(Vt 4-Vt o)=d 4

Wherein: x, y, z are the rectangular space coordinate of tested point coordinate, and xi, yi, zi (i=1,2,3,4) are respectively satellite 1 to be measured, satellite to be measured 2, satellite to be measured 3, satellite to be measured 4 at t rectangular space coordinate constantly, can be tried to achieve by satellite navigation message.Vti (i=1,2,3,4) is respectively the clock correction of the satellite clock of satellite 1 to be measured, satellite to be measured 2, satellite to be measured 3, satellite to be measured 4, is provided by satellite ephemeris to be measured.Vto is the clock correction of GPS receiver.d i(i=1,2,3,4) is respectively the pseudo-distance of satellite 1 to be measured, satellite to be measured 2, satellite to be measured 3, satellite to be measured 4 to transmission line of electricity point to be monitored.

Above-mentioned equation is carried out simultaneous solution, can obtain the D coordinates value of GPS receiver, be i.e. the position of GPS receiver place transmission line of electricity point to be monitored in the transmission line of electricity mounting points.

The GPS receiver is transferred to the GPRS/CDMA communication module with result of calculation; GPRS/CDMA communication module process wireless network sends to the three-dimensional coordinate of the transmission line of electricity monitoring point that the GPS receiver calculates in the expert system that is arranged in the transformer station; Expert system is according to receiving the displacement of waving that data computation draws transmission line of electricity, according to transmission line of electricity wave displacement over time situation calculate transmission line galloping frequency and amplitude.

Claims (5)

1. based on the transmission line galloping on-Line Monitor Device of GPS location, comprise that being used for computing electric power line waves the expert system of state (3), it is characterized in that: also comprise the satellite to be measured (4) that is used to obtain the transmission line of electricity position, be installed on the transmission line of electricity (6) with satellite to be measured (4) by the wireless GPS receiver (1) that communicates, and the GPRS/CDMA communication module (2) that is connected with GPS receiver (1) output terminal, the output terminal of described GPRS/CDMA communication module (2) connects expert system (3), the input end of described GPS receiver (1) and GPRS/CDMA communication module all be arranged on transmission line of electricity on lead get energy module (5) and be connected.
2. the transmission line galloping on-Line Monitor Device based on GPS location according to claim 1 is characterized in that: described lead get can module (5) comprise be sleeved on the transmission line of electricity (6) get can coil (51), with get rectification filtering module (52) that energy coil (51) output terminal is connected, be connected DC-DC modular converter (53) with the output terminal of rectification filtering module (52).
3. the transmission line galloping on-Line Monitor Device based on the GPS location according to claim 2 is characterized in that: described getting between energy coil (51) and the rectification filtering module (52) also is provided with protecting against shock protection module (54).
4. the transmission line galloping on-Line Monitor Device based on the GPS location according to claim 2, it is characterized in that: be provided with charge circuit (55) between described rectification filtering module (52) and the DC-DC modular converter (53), and the Li-Ion rechargeable battery (56) that is arranged in parallel with charge circuit.
5. the transmission line galloping on-Line Monitor Device based on the GPS location according to claim 3 is characterized in that: be arranged in parallel voltage monitoring module (57) between the output terminal of the input end of described protecting against shock protection module (54) and rectification filtering module (52).
CN2011200898736U 2011-03-31 2011-03-31 Power transmission line waving on-line monitoring device based on GPS positioning CN202075032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200898736U CN202075032U (en) 2011-03-31 2011-03-31 Power transmission line waving on-line monitoring device based on GPS positioning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200898736U CN202075032U (en) 2011-03-31 2011-03-31 Power transmission line waving on-line monitoring device based on GPS positioning

Publications (1)

Publication Number Publication Date
CN202075032U true CN202075032U (en) 2011-12-14

Family

ID=45113131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200898736U CN202075032U (en) 2011-03-31 2011-03-31 Power transmission line waving on-line monitoring device based on GPS positioning

Country Status (1)

Country Link
CN (1) CN202075032U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115643A (en) * 2013-01-22 2013-05-22 华南理工大学 Electric transmission line on-line monitoring system based on distribution-type energy capture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103115643A (en) * 2013-01-22 2013-05-22 华南理工大学 Electric transmission line on-line monitoring system based on distribution-type energy capture
CN103115643B (en) * 2013-01-22 2016-03-02 华南理工大学 Based on the transmission line online monitoring system that distributed energy obtains

Similar Documents

Publication Publication Date Title
CN204156049U (en) A kind of intelligent battery and electric motor car
ES2690529T3 (en) An electrical instrument platform for mounting on and removing an energized high voltage power conductor
CN201589785U (en) Power transmission line remote monitoring device
CN103219779B (en) Wireless charging method for sensing network node
US20150362536A1 (en) High-voltage direct current broad frequency-domain corona current measurement system
CN1320987C (en) Intelligent autonomous power plant equipment round inspecting robot
CN102722178B (en) Electric field measuring obstacle avoidance system and method for live wire routing inspection of unmanned aerial vehicle
CN102468521A (en) Method and apparatus for assessing battery state of health
CN202929139U (en) Transmission and distribution power grid synchronous acquisition and on-line monitoring system
CN102854471B (en) Battery meter metering method and measuring apparatus
CN101825654B (en) Self energy supply lightning current detection system
AU2016285501B2 (en) Power storage system, controller, and storage battery charging and discharging method
CN102565710A (en) Method and apparatus for assessing battery state of health
CN101603850A (en) A kind of extra high voltage transmission line online monitoring system
CN100557731C (en) A kind of electronic mutual inductor with anti-stealing electricity function
CN102736632B (en) Differential evadible system of electric field for unmanned aerial vehicle polling live wires and method
CN203688825U (en) Automatic weather station
CN104316900B (en) Aerial radio monitoring intelligent robot
CN102279311A (en) Method for online detection and total loss determination of neutral current of distribution transformer
CN102738890B (en) Power supply system of remote sensing platform of unmanned plane
CN103399364B (en) A kind of anemometer tower system comprising two cover wind measuring devices
CN103901273B (en) Power grid harmonic wave detection method and Harmonic Measuring Equipment
CN102262201B (en) The fault detection method of overhead distribution and system
CN202177681U (en) System for positioning fault of DC transmission line
CN105222749A (en) A kind of power transmission line sag on-line monitoring method and device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant