CN201812372U - Breeze vibration online monitoring system for power transmission lines - Google Patents

Breeze vibration online monitoring system for power transmission lines Download PDF

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Publication number
CN201812372U
CN201812372U CN2010205480214U CN201020548021U CN201812372U CN 201812372 U CN201812372 U CN 201812372U CN 2010205480214 U CN2010205480214 U CN 2010205480214U CN 201020548021 U CN201020548021 U CN 201020548021U CN 201812372 U CN201812372 U CN 201812372U
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China
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vibration
monitoring
zigbee
msp430f247
sensor
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CN2010205480214U
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Chinese (zh)
Inventor
黄新波
朱永灿
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西安工程大学
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Priority to CN2010205480214U priority Critical patent/CN201812372U/en
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Publication of CN201812372U publication Critical patent/CN201812372U/en

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Abstract

The utility model discloses a breeze vibration online monitoring system for power transmission lines, comprising a monitoring center and a line monitoring base station which are communicated through a GPRS (General Packet Radio Service), wherein the line monitoring base station is also communicated with a vibration monitor through a Zigbee network and comprises a MSP430F247 singlechip, the MSP430F247 singlechip is respectively connected with a GPRS communication module, a Zigbee coordinator, a storage module and a power circuit, the power circuit is respectively connected with a solar cell panel and a storage battery, the vibration monitor comprises a vibration monitor power supply and a Zigbee subnode, the Zigbee subnode is respectively connected with a vibration sensor and a temperature sensor, and the MSP430F247 singlechip is also connected with the temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor and a sunlight sensor. In the monitoring system of the utility model, GPRS communication is adopted to realize remote transmission of monitoring data; and important parameters required by a user, such as vibration amplitude, frequency, fatigue damage service life and the like, are directly given so that the safety and the reliability of the operation of the power transmission lines are improved.

Description

Transmission line of electricity aeolian vibration on-line monitoring system
Technical field
The utility model belongs to power transmission and transformation equipment state on-line monitoring technique field, is specifically related to a kind of transmission line of electricity aeolian vibration on-line monitoring system.
Background technology
China is subjected to macroclimate and mima type microrelief, microclimate condition effect, and the high-tension overhead line fault that aeolian vibration causes takes place often, and particularly in the big area of crossing over, the destruction of aeolian vibration is particularly serious, causes the tremendous economic loss.Aeolian vibration has characteristics such as amplitude is little, frequency height, destruction to transmission line of electricity has certain disguise, and accidents such as the tired disconnected thigh of the caused circuit of aeolian vibration need an accumulated time and process, therefore be impossible realize aeolian vibration situation and the destruction that causes thereof by Direct observation, power consumer presses for a kind of equipment that can monitor the circuit aeolian vibration, to improve the circuit reliability of operation.But be subjected to the restriction of technology such as sensor, data transmission, anti-electromagnetic interference (EMI) and lead related algorithm fatigue lifetime, high-tension overhead line aeolian vibration and lead fatigue damage thereof are still lacked ripe on-line monitoring method.
Summary of the invention
The purpose of this utility model provides a kind of transmission line of electricity aeolian vibration on-line monitoring system, solved the problem of existing aeolian vibration monitoring and wireless transmission difficult thereof, on-the-spot detection can be regularly or is monitored the information such as aeolian vibration information, conductor temperature and environment temperature, humidity, wind speed, wind direction of lead in real time, in time send Surveillance center, judge the parameters such as vibration frequency, amplitude and fatigue damage life-span of current circuit by the expert software of Surveillance center by GPRS.Strengthened real-time monitoring on the one hand, fatigue failure accident has been eliminated in bud, improved the power-supply unit reliability of operation the circuit aeolian vibration; But comprehensive collection and long-term accumulation meteorological data on the other hand are for transmission line of electricity designs, operation maintenance provides basic data.
The technical scheme that the utility model adopted is, a kind of transmission line of electricity aeolian vibration on-line monitoring system, comprise monitoring center and path monitoring base station by GPRS communication, also communicate by letter with vibration monitor by the Zigbee network in the path monitoring base station, the path monitoring base station comprises the MSP430F247 single-chip microcomputer, be connected with the GPRS communication module on the MSP430F247 single-chip microcomputer respectively, the Zigbee telegon, memory module and power circuit, be connected with solar panel and accumulator on the power circuit respectively, vibration monitor comprises vibration monitor power supply that is used to power and the Zigbee child node that is used to communicate by letter, be connected with vibration transducer and temperature sensor on the Zigbee child node respectively, the MSP430F247 single-chip microcomputer also is connected with weather station, and weather station comprises temperature sensor, humidity sensor, air velocity transducer, wind transducer and sunshine recorder.
Characteristics of the present utility model are that also vibration monitor wherein is provided with two or more.
The beneficial effects of the utility model are, set up the short distance wireless sensing network network based on the Zigbee technology, realization is to the aeolian vibration situation of a plurality of measuring points of lead and the real-time monitoring of conductor temperature, and simultaneously multiple meteorologic parameters such as humidity, temperature, wind speed, wind direction, intensity of sunshine gathered; Native system has adopted the communication modes of GPRS, realizes the long-distance transmissions of Monitoring Data; And set up accurate method of calculation, directly provide the important parameters such as lead amplitude, frequency and fatigue damage life-span that the user needs.System has novelty at aspects such as principle of work design, communication modes, sensor technologies.
Information such as bending strain, conductor temperature and environment temperature, the humidity of system by the monitoring lead, wind speed, wind direction, intensity of sunshine are come situations such as the aeolian vibration frequency, amplitude of computing electric power line, and judge fatigue wear life-span of lead by respective algorithms, operation is estimated to line security, before fatigue breakdown, provide pre-alarm information, in time take measures, reduce the wind loss of shaking, improve security and reliability that transmission line of electricity moves.
Description of drawings
Fig. 1 is the structural representation of the utility model transmission line of electricity aeolian vibration on-line monitoring system.
Among the figure, 1. monitoring center, 2. path monitoring base station, 3. vibration monitor, 4. weather station, 5. vibration transducer, 6. temperature sensor, 7. vibration monitor power supply, 8.Zigbee child node, 9.GPRS communication module, 10. Zigbee telegon, 11. memory modules, 12. solar panel, 13. accumulators, 14.MSP430F247 single-chip microcomputer, 15. power module, 16. temperature sensors, 17. humidity sensors, 18. air velocity transducer, 19. wind transducers, 20. sunshine recorders.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The utility model transmission line of electricity aeolian vibration on-line monitoring system, as shown in Figure 1, comprise monitoring center 1 and path monitoring base station 2 by GPRS communication, also communicate by letter with a plurality of vibration monitors 3 by the Zigbee network in path monitoring base station 2, path monitoring base station 2 comprises MSP430F247 single-chip microcomputer 14, be connected with GPRS communication module 9 on the MSP430F247 single-chip microcomputer 14 respectively, Zigbee telegon 10, memory module 11 and power circuit 15, be connected with solar panel 12 and accumulator 13 on the power circuit 15 respectively, vibration monitor 3 comprises vibration monitor power supply 7 that is used to power and the Zigbee child node 8 that is used to communicate by letter, be connected with vibration transducer 5 and temperature sensor 6 on the Zigbee child node 8 respectively, the MSP430F247 single-chip microcomputer 14 of path monitoring base station 2 also is connected with weather station 4, and weather station 4 comprises temperature sensor 16, humidity sensor 17, air velocity transducer 18, wind transducer 19 and sunshine recorder 20.
The course of work of the present utility model is: path monitoring base station 2 is finished the collection of information such as respective wire vibration information, conductor temperature and environment temperature, humidity, wind speed, wind direction in real time, its packing back is sent to monitoring center 1 by GPRS communication module 9, carries out the aeolian vibration situation that analysis and arrangement is judged this line wire at data by monitoring center's 1 software.Monitoring center 1 can carry out remote parameter setting (as sampling time interval, sensor benchmark, real time data request etc.) to on-the-spot extension set.The aeolian vibration situation of this province's respective lines is understood according to data such as each measuring point conductor vibration amplitude, frequency and environmental parameters by monitoring center 1 by expert software.Expert software then utilizes various revised theory models, test findings and result of field running to judge the aeolian vibration and the lead fatigue damage situation of transmission line of electricity, in time provides pre-alarm information, effectively prevents the generation of accident.
Path monitoring base station 2 is independent monitoring means, and it is by the data communication of GPRS communication module 9 with Surveillance center 1, the first order network of construction system.Path monitoring base station 2 and a plurality of vibration monitor 3 are set up WLAN by Zigbee, are the second level network of system.The microprocessor MSP430F247 single-chip microcomputer 14 of path monitoring base station 2 regularly sends acquisition by serial ports to Zigbee telegon 10, and (timing can be set, also can directly carry out request of data by monitoring center 1), simultaneously each meteorologic parameter such as wind speed, wind direction, temperature, humidity is gathered; After Zigbee telegon 10 receives acquisition, each Zigbee child node 8 in its LAN (Local Area Network) sends acquisition, and regularly wait receives the data that Zigbee child node 8 collects, when timing then, the data that Zigbee telegon 10 is replied the Zigbee child node that receives 8 send it back base station microprocessor MSP430F247 single-chip microcomputer 14 by serial ports; Data and the packing of each meteorologic parameter that microprocessor MSP430F247 single-chip microcomputer 14 is replied Zigbee telegon 10 send to monitoring center 1 by GPGS communication module 9.Path monitoring base station 2 can be carried out operations such as real-time image data, modification extension set sampling time according to the control signal that monitoring center's 1 main frame sends.
Below each ingredient is described in detail:
(1) center processor is selected the MSP430F247 single-chip microcomputer 14 of TI company for use.16 MSP430F247 single-chip microcomputers 14 have advantages such as processing power is strong, travelling speed fast, aboundresources, exploitation convenience, and cost performance is very high.Super low-power consumption is the most significant performance characteristics of MSP430F247, and it has unique clock design, and exportable 3 kinds of different frequency clocks are given the module of different demands, and have multiple sleep pattern, can reduce system power dissipation to greatest extent by the parameter setting.The real-time of considering system handles requires and problems such as the baud rate generation of serial port communication and system low-power consumption characteristic, has selected two groups of crystal oscillators of 32768Hz and 11.0592MHz.
(2) the utility model is selected TSZ-CC2430 series ZigBee module for use, by the ZigBee technology, realized the exploitation of wireless sensor network node, these nodes can make up low cost, low transmission rate, high efficiency wireless network easily, thereby realize the vibration information at each place, monitoring point and the real-time monitoring of conductor temperature.And by in node, transplanting the ZigBee protocol stack, both can set up simple Star Network, also can set up comparatively complicated tree-shaped and mesh network.In the utility model, adopt the MSSTATE_LRWPAN protocol stack, coordinator node (Coordinator) is set up a network, router (Router) and terminal node (RFD) (in the native system router node and terminal node being referred to as child node) add network, child node is after the image data order that receives the coordinator node transmission, regularly send oneself and gather data such as vibration and conductor temperature to coordinator node, vibration monitor is a processor with the radio frequency chip CC2430 in the Zigbee module, when carrying out wireless data transmission, finish the sampling of vibration and conductor temperature information.
(3) product of the grand electricity of GPRS communication module 9 employings in the utility model, model H7118 GPRS DTU.GPRS communication module 9 links to each other with analog switch, and its function is the GPRS (General Packet Radio Service is called for short GPRS) by China Mobile, carries out wireless data communications.Each tester all has a GPRS communication module 9 to communicate by letter with central computer by wireless network in the utility model, and it is big that this module has transmitted data amount, and transmission speed is fast, stable advantages of higher.In addition, the developing instrument that the control device of central computer can adopt GPRS communication module 9 to carry, the communication control module of developing needs that can be fast.
(4) the field monitoring terminal will realize the uninterrupted monitoring to various parameters, the power supply design of extension set is extremely important, the native system vibration monitor adopts the mutual inductance way to take power, monitoring base station adopts sun power to add the working method of accumulator, for the work efficiency that improves system power supply and the mission life of accumulator, system design the auto charge and discharge control circuit.Its accumulator charges and discharge the point protection principle: the hysteresis comparator of forming by amplifier LM324 and peripheral circuit thereof, when battery tension just often, charge circuit is opened, discharge loop is connected; When the battery tension reduction, when being lower than discharge prevention value (11V), discharge loop disconnects; When battery tension rose to discharge permissible value (12.5V) again, it is normal that discharge loop recovers; When the battery tension rising, when being higher than charge protection value (14.5V), solar cell output is disconnected; Charge circuit is closed, and when battery tension dropped to charging permissible value (13.5V), it is normal that charge circuit recovers.

Claims (2)

1. transmission line of electricity aeolian vibration on-line monitoring system, it is characterized in that, comprise monitoring center (1) and path monitoring base station (2) by GPRS communication, also communicate by letter with vibration monitor (3) by the Zigbee network in path monitoring base station (2), described path monitoring base station (2) comprises MSP430F247 single-chip microcomputer (14), be connected with GPRS communication module (9) on the MSP430F247 single-chip microcomputer (14) respectively, Zigbee telegon (10), memory module (11) and power circuit (15), be connected with solar panel (12) and accumulator (13) on the power circuit (15) respectively, described vibration monitor (3) comprises vibration monitor power supply (7) that is used to power and the Zigbee child node (8) that is used to communicate by letter, be connected with vibration transducer (5) and temperature sensor (6) on the Zigbee child node (8) respectively, described MSP430F247 single-chip microcomputer (14) also is connected with weather station (4), and weather station (4) comprises temperature sensor (16), humidity sensor (17), air velocity transducer (18), wind transducer (19) and sunshine recorder (20).
2. transmission line of electricity aeolian vibration on-line monitoring system according to claim 1 is characterized in that described vibration monitor (3) is provided with two or more.
CN2010205480214U 2010-09-29 2010-09-29 Breeze vibration online monitoring system for power transmission lines CN201812372U (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102288281A (en) * 2011-06-25 2011-12-21 四川大学 On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation
CN102426056A (en) * 2011-12-10 2012-04-25 无锡市格力普科技有限公司 Power transmission line wave monitoring remote intelligent sensor
CN102494757A (en) * 2011-11-29 2012-06-13 山西省电力公司大同供电分公司 Aero-vibration monitoring device of power transmission line
CN103035111A (en) * 2012-12-12 2013-04-10 上海工程技术大学 ZigBee-based temperature parameter remote monitoring system
CN103575335A (en) * 2013-11-11 2014-02-12 东北农业大学 Transmission tower on-line monitoring system
CN104296863A (en) * 2014-11-04 2015-01-21 国家电网公司 Power transmission line vibration monitoring device
CN104320636A (en) * 2014-11-21 2015-01-28 上海欣影电力科技股份有限公司 High-definition and high-speed camera based on serial port communication and monitoring method
CN105846779A (en) * 2016-03-22 2016-08-10 苏州玄禾物联网科技有限公司 Photovoltaic assembly vibration detection and photovoltaic assembly control device
CN106568482A (en) * 2016-11-16 2017-04-19 合肥普望电子有限责任公司 Distribution network transmission line centralized monitoring method
CN106646115A (en) * 2016-11-16 2017-05-10 合肥普望电子有限责任公司 Transmission line fault detection method
TWI667896B (en) * 2018-04-02 2019-08-01 國立勤益科技大學 Wireless and personalized weather station system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102288281A (en) * 2011-06-25 2011-12-21 四川大学 On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation
CN102288281B (en) * 2011-06-25 2012-08-22 四川大学 On-line monitoring device and method for breeze vibration of high-tension line based on vibration generation
CN102494757A (en) * 2011-11-29 2012-06-13 山西省电力公司大同供电分公司 Aero-vibration monitoring device of power transmission line
CN102426056A (en) * 2011-12-10 2012-04-25 无锡市格力普科技有限公司 Power transmission line wave monitoring remote intelligent sensor
CN103035111A (en) * 2012-12-12 2013-04-10 上海工程技术大学 ZigBee-based temperature parameter remote monitoring system
CN103575335A (en) * 2013-11-11 2014-02-12 东北农业大学 Transmission tower on-line monitoring system
CN104296863A (en) * 2014-11-04 2015-01-21 国家电网公司 Power transmission line vibration monitoring device
CN104320636A (en) * 2014-11-21 2015-01-28 上海欣影电力科技股份有限公司 High-definition and high-speed camera based on serial port communication and monitoring method
CN105846779A (en) * 2016-03-22 2016-08-10 苏州玄禾物联网科技有限公司 Photovoltaic assembly vibration detection and photovoltaic assembly control device
CN106568482A (en) * 2016-11-16 2017-04-19 合肥普望电子有限责任公司 Distribution network transmission line centralized monitoring method
CN106646115A (en) * 2016-11-16 2017-05-10 合肥普望电子有限责任公司 Transmission line fault detection method
TWI667896B (en) * 2018-04-02 2019-08-01 國立勤益科技大學 Wireless and personalized weather station system

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Owner name: XI'AN JINPOWER ELECTRICAL CO., LTD.

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Address before: 710048 Shaanxi city of Xi'an Province Jinhua Road No. 19

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Denomination of utility model: Power transmission line gentle breeze vibration online monitoring system

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Granted publication date: 20110427

Pledgee: Shaanxi Qin Nong rural commercial bank, Limited by Share Ltd hi tech sub branch

Pledgor: Xi'an Jin Power Electrical Co., Ltd.

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