CN202853654U - Electrification railway overhead contact line equipment wireless monitoring system - Google Patents
Electrification railway overhead contact line equipment wireless monitoring system Download PDFInfo
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- CN202853654U CN202853654U CN 201220473870 CN201220473870U CN202853654U CN 202853654 U CN202853654 U CN 202853654U CN 201220473870 CN201220473870 CN 201220473870 CN 201220473870 U CN201220473870 U CN 201220473870U CN 202853654 U CN202853654 U CN 202853654U
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Abstract
The utility model provides an electrification railway overhead contact line equipment wireless monitoring system. The electrification railway overhead contact line equipment wireless monitoring system comprises a plurality of monitoring terminals mounted on different pole towers and a monitoring center. An environment data acquisition unit of the monitoring terminal acquires wind speed, wind direction and temperature data around the overhead contact line equipment, and the data is sent to the monitoring center through a center processing unit and wireless communication equipment; the wind speed is compared with an early warning threshold values, if the wind speed exceeds the early warning threshold value, alarming is carried out, a fault position and a fault type are sent to the monitoring center, simultaneously audio and visual data of a shooting unit are sent to the monitoring center; the monitoring center stores the wind speed, the wind direction, the temperature data and the audio and visual data which are sent back by the monitoring terminals, and the audio and visual data is played by a display unit. The electrification railway overhead contact line equipment wireless monitoring system can realize dynamic and real-time monitoring on the overhead contact line equipment, can realize full coverage along the railway and realizes monitoring without omission.
Description
Technical field
The present invention relates to electrification railway contact net status monitoring field, specifically be applied to the long distance wireless visualizing monitor of strong wind section electrification railway contact net state.
Background technology
Electrification railway contact net is the transmission line of electricity to the special shape of electric locomotive power supply that set up in the electric railway sky along the line.The osculatory that carries high-tension electricity is suspended on the carrier cable below by dropper, and two ends are tight fixing with falling mound, make its unlikely unsteadiness affect normally travelling of electric locomotive.However, contact net is still very easily delivered to the impact of adverse weather condition.In NORTHWEST CHINA section area, meteorological condition is abominable, the contact net concussion that strong wind causes, and the pantograph and catenary fault that causes takes place frequently, and the transportation production safety of railway has been caused great obstacle.Therefore, the monitoring of contact net state seemed very important.
The monitoring method of tradition contact net state only rests on the manual patrol stage.The execution efficient that this side sends out is lower, in order to ensure locomotive safety running, must regularly repeatedly make an inspection tour, and runs into the extreme weathers such as strong wind, more will note special tour.However, also inevitably there is blind area on a large scale in tour.At present the content of manual patrol mainly by the tour personnel according to the observation contact net and safeguard thereof have or not damage, judge that surrounding environment has or not threat to the normal operation of contact net, be personnel's micro-judgment, cause easily omission.If can make in real time the contact net state, monitor accurately, will help to make timely, correct guidance for scheduling decision, thereby carry out in advance strick precaution, reduce accident probability.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the electrification railway contact net wireless monitor system, can carry out the wireless visual monitoring to the contact net state in real time.
The technical solution adopted for the present invention to solve the technical problems is: comprise a plurality of monitoring terminals and a monitoring center of being installed on the different shaft towers, each monitoring terminal has unique coding, the shaft tower positional information of living in of one group of monitoring terminal of corresponding record.
Described monitoring terminal comprises power supply unit, environmental data collecting unit, center processing unit, shooting unit, precaution device and radio communication unit.Power supply unit is given respectively environmental data collecting unit, center processing unit and the power supply of shooting unit; The environmental data collecting unit comprises air velocity transducer, wind transducer and temperature sensor, gather respectively the wind speed of contact net periphery, wind direction and temperature data, transfer to center processing unit, center processing unit is with wind speed, wind direction and temperature data send to monitoring center by wireless telecommunications system, simultaneously center processing unit according to the time interval sampling wind speed of setting after with prefabricated early warning threshold values relatively, if surpass threshold values, then send alarm command by precaution device, geographical location information and the fault type of fault zone are returned to monitoring center, take simultaneously the unit and start working, the video/audio data that photograph send to monitoring center by wireless telecommunications system after encoding through center processing unit.
Described monitoring center comprises data storage cell and display unit, and wind speed, wind direction and temperature data and video/audio data that monitoring terminal is beamed back deposit data storage cell in; When air speed value surpassed threshold values, the video/audio data communication device was crossed display unit and is play; If wind speed surpasses threshold values, monitoring center also can send order to monitor terminal, obtains the video/audio data communication device and crosses display unit and play.
The invention has the beneficial effects as follows: the electrification railway contact net monitoring system based on Radio Transmission Technology combines wireless communication technology, sensor technology, embedded technology and computer software technology, the net-fault that can achieve a butt joint state dynamic real-time monitor.By the multiple spot monitoring, can cover whole Along Railways, record the monitoring information in each monitoring place, accomplish without omitting monitoring.Gather by the environmental information data that wind speed, wind direction, temperature sensor are collected, be transferred to Surveillance center's real-time dynamic display, allow the monitoring personnel can grasp the environmental change of monitoring point periphery constantly.On the other hand, wind speed is topmost as affecting the contact net state, also is the most direct factor, therefore, wind speed as the warning foundation, is compared with the wind speed threshold values, and the wind speed that surpasses threshold values is carried out early warning; After wind speed surpassed the warning threshold values, the monitoring personnel were concerned about the duty of contact net more.At this moment, the video monitoring equipment is opened automatically, live video AV and data back Surveillance center, provides foundation for the dispatcher does scheduling decision.The staff also can start the video monitoring equipment at any time by Long-distance Control.
Description of drawings
Fig. 1 is the principle assumption diagram of monitoring system of the present invention;
Fig. 2 is the process flow diagram of monitoring terminal of the present invention;
Fig. 3 is the data acquisition workflow diagram of monitoring center of the present invention;
Fig. 4 is the fitting arrangement of the equipment of monitoring terminal of the present invention;
Among the figure, 1-power distribution cabinet, built-in embedded system and source of early warning, 2-solar panels, 3-enviromental monitoring equipment, the infrared monopod video camera of 4-, 5-contact net, 6-dropper, 7-carrier cable.
Embodiment
Electrification railway contact net monitoring system, its characteristics are that it adopts the multiple spot monitoring technology, and it comprises a plurality of monitoring terminals and a monitoring center.Each monitoring terminal has unique coding, the shaft tower positional information of living in of one group of monitoring terminal of corresponding record.Monitoring terminal comprises: power supply unit, environmental data collecting unit, center processing unit, shooting unit, radio communication unit.Monitoring center is made of data storage service unit and information display unit.
The systems technology scheme is as follows:
The technical scheme of monitoring terminal: power supply unit is given respectively environmental data collecting unit, center processing unit and the power supply of shooting unit.The environmental data collecting unit is made of air velocity transducer, wind transducer and temperature sensor.Open monitoring environmental data equipment, detect respectively wind speed, wind direction, the temperature data of contact net periphery.The data that collect are carried out conversion process in the embedded system of center processing unit, value of every 1 time of interval of delta t of wind speed after at first will changing and prefabricated early warning threshold values are relatively, if surpass threshold values, on the one hand notify prewarning unit to send alarm command, geographical location information and the fault type of fault zone returned to the staff of control center.Prewarning unit is made of a precaution device, by being connected with center processing unit, obtains the early warning order of center processing unit.The monitoring personnel receive the residing shaft tower positional information of environmental information and monitoring point that precaution device sends in the mode of note.Center processing unit sends to the environmental monitoring data of handling well in the wireless 3G network by wireless telecommunications system subsequently and goes, and monitoring center downloads these environmental monitoring datas by Web service, and stores and management.On the other hand, open the shooting unit and start working, the video/audio data that photograph send to radio communication unit through the processing of encoding in the embedded system of center processing unit.Radio communication unit is responsible for that the video/audio data communication device behind the coding is crossed wireless telecommunications system and is sent in the 3G network and go, and monitoring center stores also demonstration by Web service download environment Monitoring Data and video information.
The technical scheme of monitoring center: monitoring center is divided into data storage and management unit and display unit, adopts the B/S structure based on Intranet.The environmental data of web application shows that the environmental data service routine of interface by the WCF service is to monitor terminal request msg regularly.The environmental data that obtains is written into database, and web application is able to environmental data is showed by accessing database.When air speed value surpassed threshold values, the user just may be concerned about the state status of contact net more, and monopod video camera at this moment is because the triggering of trigger is activated, and the user can be by the state picture of video-see to on-the-spot contact net and surrounding devices thereof.If wind speed surpasses threshold values, the user still can send by web application the order of unlatching video camera to monitor terminal to the video/audio data services of WCF.The video/audio data of returning become data stream through the decoding processing and directly deliver to video/audio data display interface, and the user just can browse.
The final produce an effect of the present invention is: the staff can not spend the scene and make an inspection tour, and just can carry out Real Time Monitoring to railway contact line equipment long-range by wireless network; When the meteorological condition of displaying scene surpassed the early warning threshold values, system can cause warning automatically with the form of note, and the prompting staff strengthens main strick precaution; The monitoring information of the contact net state of collecting can provide Data support for improving the contact net equipment operational management; Monitoring system covers whole railway contact lines zone, and observation process is visual, for staff's scheduling decision provides more accurately comprehensively foundation.
The present invention is further described below in conjunction with drawings and Examples.
Electrification railway contact net wireless monitor system of the present invention.Supply module provides the continuation power supply for sensor, controller and the wireless telecommunications system of monitor terminal.Consider the NORTHWEST CHINA section area sunshine condition abundance that is subjected to large wind effect more serious, in addition, Along Railway is by way of the depopulated zone, be difficult to search out residential electricity consumption on every side, yet changing contact net 27.5kv into civil power, need to use the cost of potential device higher, therefore, select solar cell as power supply.Supply module is made of solar panels, accumulator and power-supply controller of electric, and solar panels are connected with the electric power storage terminal by the charging terminal of power lead and power-supply controller of electric respectively with accumulator.Comprise all monitoring data collection equipment of air velocity transducer, wind transducer, temperature sensor, video camera, center processing unit links to each other with the load end of accumulator with plug-in form, to obtain Power supply.
Data acquisition unit is by a wind transducer, and an air velocity transducer and an infrared temperature sensor form.According to the demand of Surveillance center's scheduling decision, select the sensor of certain precision.General wind-force reaches about 5 grades, will produce comparatively appreciable impact to the contact net state, and therefore, wind speed early warning threshold values can be set as 10.0m/s.
Center processing unit adopts embedded system technology, and it is inner to be installed in distribution electricity cabinet, has unique sign, can express the residing shaft tower of monitoring terminal and geographical location information.This embedded system has comprised the data acquisition and control module, co-ordination and the peripheral control of the mainly collection of responsible environmental data, processing conversion work, inner various piece; Video/audio capturing and coding module is mainly used in collection, pre-treatment, compression coding work that video/audio capturing and coding module mainly is responsible for video-audio signal; Warning module, the environmental information, geographical location information, fault type information etc. of being responsible for sending the monitoring terminal of early warning information send to the monitoring personnel by the mode of note.
Taking the unit adopts wind speed to trigger start-up mode for reducing power consumption.According to the specific weather conditions of strong wind section, and the need of work that gathers video image night, subsidiary array infrared lamp selected, the night vision monopod video camera that degree of protection is high, the working limit temperature range is large.Be subjected to the swing state of windage in order better to monitor contact net, video camera is installed to the following home that surpasses a meter of shaft tower and contact net, and can 180 ° of pitching and 360 ° of levels cruise monitoring contact net surrounding devices protection situation.Monopod video camera links to each other with the data acquisition and control module by control line, sends level and the pitching rotation of pulse signal control The Cloud Terrace (built-in power amplifier).
Particularly, environmental monitoring data enters into data acquisition and the control module of center processing unit, through a series of data processing work such as overdischarge, filtering, sampling, maintenances, every 1 time of interval of delta t samples simultaneously, to get sample information and the wind speed threshold values is compared, in case surpass threshold values, prewarning unit is opened; Prewarning unit is made of a note cat, and with USB interface and embedded system, by data acquisition and a series of operation result of control chip, the control issue an order is with the pattern issue warning information of note; Data acquisition and control module are by one group of built-in relay, the electric power loop of relay normally open end series connection access video camera, can realize the video camera opening and closing are controlled, by data acquisition and a series of operation results of control chip, control is taken opening and closing with power supply of unit and is closed the loop, and controls the duty of taking the unit by pulse control signal, when wind speed sampled data during greater than threshold values, relay closes is sent pulse control signal and is produced open command, takes the unit and starts working.The video/audio information of taking is passed to video/audio capturing and coding module, by the video/audio coding chip analog video signal that collects is encoded, be converted into the digital video sound signal, the digital signal processor that then is sent to center processing unit is inner.HPI interface accessing its inside and outside address space and register that data acquisition and control module provides by digital signal processor, thereby reading out data.
Radio communication unit refers to the 3G radio transmission apparatus.It and center processing unit data acquisition and control module are carried out data transmission and control, by 3G network with the environment of contact net monitoring and video data transmitting to Surveillance center, or the order that Surveillance center sends out sent to the monitoring terminal center processing unit.
In Surveillance center, the data storage and management unit carries out communication by WCF data processor and monitoring terminal, and the database to Surveillance center that obtains the transmission of video/audio data and environmental data carries out data storage, configuration and management; The WCF service at first needs the initializtion protocol stack, set up the remote monitoring website, obtain unique identifier and the station data of website, then by the video/audio data channel, obtain video/audio data call audio frequency and video decoding card and decode, then mail to the video/audio interface and browse; By the environmental data passage, obtain environmental data, every 2 times of interval of delta t, write Surveillance center's database and once store, then mail to environmental data and show the interface.The time interval, Δ t2 was less, and data are more continuous, and real-time is just higher.If abandon continuing executable operations, then in connection breaking, WCF stop to discharge protocol stack.Display unit is realized man-machine exchange and video/audio display function by web application.If the monitoring personnel need to open voluntarily, close video camera or adjust the video camera shooting angle, can directly send instruction by web application to WCF, set up communication with monitoring terminal, executable operations.
Claims (1)
1. electrification railway contact net wireless monitor system, comprise a plurality of monitoring terminals and a monitoring center of being installed on the different shaft towers, it is characterized in that: each monitoring terminal has unique coding, the shaft tower positional information of living in of one group of monitoring terminal of corresponding record; Described monitoring terminal comprises power supply unit, environmental data collecting unit, center processing unit, shooting unit, precaution device and radio communication unit, and power supply unit is given respectively environmental data collecting unit, center processing unit and the power supply of shooting unit; The environmental data collecting unit comprises air velocity transducer, wind transducer and temperature sensor, gather respectively the wind speed of contact net periphery, wind direction and temperature data, transfer to center processing unit, center processing unit is with wind speed, wind direction and temperature data send to monitoring center by wireless telecommunications system, simultaneously center processing unit according to the time interval sampling wind speed of setting after with prefabricated early warning threshold values relatively, if surpass threshold values, then send alarm command by precaution device, geographical location information and the fault type of fault zone are returned to monitoring center, take simultaneously the unit and start working, the video/audio data that photograph send to monitoring center by wireless telecommunications system after encoding through center processing unit; Described monitoring center comprises data storage cell and display unit, and wind speed, wind direction and temperature data and video/audio data that monitoring terminal is beamed back deposit data storage cell in; When air speed value surpassed threshold values, the video/audio data communication device was crossed display unit and is play; If wind speed surpasses threshold values, monitoring center also can send order to monitor terminal, obtains the video/audio data communication device and crosses display unit and play.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220473870 CN202853654U (en) | 2012-09-17 | 2012-09-17 | Electrification railway overhead contact line equipment wireless monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220473870 CN202853654U (en) | 2012-09-17 | 2012-09-17 | Electrification railway overhead contact line equipment wireless monitoring system |
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| CN202853654U true CN202853654U (en) | 2013-04-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865891A (en) * | 2012-09-17 | 2013-01-09 | 西北工业大学 | Wireless monitoring system for electrified railway contact net |
| CN104833386A (en) * | 2015-04-03 | 2015-08-12 | 苏州华兴致远电子科技有限公司 | Pantograph catenary system monitoring method and system |
| CN108448727A (en) * | 2018-04-23 | 2018-08-24 | 安徽方瑞电气科技有限公司 | A kind of monitoring system and method for power distribution cabinet |
| CN116915960A (en) * | 2023-09-15 | 2023-10-20 | 河北辉森机电设备有限公司 | Mountain fire prevention monitoring method, device and system and monitoring terminal |
-
2012
- 2012-09-17 CN CN 201220473870 patent/CN202853654U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865891A (en) * | 2012-09-17 | 2013-01-09 | 西北工业大学 | Wireless monitoring system for electrified railway contact net |
| CN104833386A (en) * | 2015-04-03 | 2015-08-12 | 苏州华兴致远电子科技有限公司 | Pantograph catenary system monitoring method and system |
| CN108448727A (en) * | 2018-04-23 | 2018-08-24 | 安徽方瑞电气科技有限公司 | A kind of monitoring system and method for power distribution cabinet |
| CN116915960A (en) * | 2023-09-15 | 2023-10-20 | 河北辉森机电设备有限公司 | Mountain fire prevention monitoring method, device and system and monitoring terminal |
| CN116915960B (en) * | 2023-09-15 | 2023-12-29 | 河北辉森机电设备有限公司 | Mountain fire prevention monitoring method, device and system and monitoring terminal |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20150917 |
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| EXPY | Termination of patent right or utility model |