CN101487873B - Wireless video automatic monitoring system for pantograph of locomotive - Google Patents
Wireless video automatic monitoring system for pantograph of locomotive Download PDFInfo
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- CN101487873B CN101487873B CN2008100562037A CN200810056203A CN101487873B CN 101487873 B CN101487873 B CN 101487873B CN 2008100562037 A CN2008100562037 A CN 2008100562037A CN 200810056203 A CN200810056203 A CN 200810056203A CN 101487873 B CN101487873 B CN 101487873B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 34
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000034656 Contusions Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The invention provides an automatic monitoring system for wireless video of a locomotive pantograph, which comprises a remote network monitoring center device and at least one monitoring point device, wherein, the monitoring point device is connected with the remote network monitoring center device through a wireless network. The automatic monitoring system for the wireless video of the locomotive pantograph can realize real-time monitoring for the pantograph, improves monitoring precision, and simultaneously can also realize remote control function; therefore, the automatic monitoring system is favorable for discovering fault of the pantograph and a contact net in real time.
Description
Technical field
The present invention relates to a kind of automatic monitored control system, relate in particular to a kind of wireless video automatic monitoring system for pantograph of locomotive.
Background technology
Pantograph is electric locomotive is flowed by power taking from contact net a device, and its slide plate directly contacts with contact line conducting wire, flowed by power taking from contact line conducting wire, uses for locomotive.
At present, the pantograph supervising device of researching and developing all adopts wire transmission mode both at home and abroad, and the wire transmission supervising device is owing to the cable that needs laying to be used for the signal transmission in a large number and to control, so the installation and maintenance difficulty, and very easily breaks down.And in existing motorcycle pantograph supervising device, major part all is installed on the locomotive roof, need on every locomotive that needs to monitor this type of device be installed, so investment is bigger; Also have, camera is in and looks up angle in this type of Unit Installation, therefore can't observe the workplace of pantograph, and because locomotive rocks bigger, most problems of pantograph and contact net are difficult for being photographed by camera, so the precision of photographic images is not high.
Therefore, in order to overcome above-mentioned defective, be necessary to propose a kind of motorcycle pantograph automatic monitored control system in fact.
Summary of the invention
The objective of the invention is to propose a kind of wireless video automatic monitoring system for pantograph of locomotive.
Wireless video automatic monitoring system for pantograph of locomotive proposed by the invention is design like this:
A kind of wireless video automatic monitoring system for pantograph of locomotive comprises Remote Network Monitoring central apparatus and at least one control point equipment; Described control point equipment is connected by wireless network with described Remote Network Monitoring central apparatus.
Preferably, described control point equipment comprises control point front-end equipment and control point central apparatus; Described control point front-end equipment is connected by wireless network with described control point central apparatus.
More preferably, described control point front-end equipment comprises signal gathering unit, front end Comprehensive Control unit and signal transmitter unit; Described signal gathering unit, front end Comprehensive Control unit are connected successively with the signal transmitter unit.Wherein, described control point front-end equipment also comprises first column, second column and the 3rd column.And described signal gathering unit comprises video camera, digital camera, first photoelectric sensor and second photoelectric sensor; Described video camera, digital camera and photoelectric sensor are connected with described front end Comprehensive Control unit respectively, and described first photoelectric sensor is installed on first column, described second photoelectric sensor is installed on second column, described video camera and digital camera are installed on the 3rd column, and described front end Comprehensive Control unit and signal transmitter unit are installed on the 3rd column.And wherein, described digital camera is 3-5, and described digital camera is installed on the orbit centre axis, wherein a digital camera is configured to pantograph is vertically taken, and at least two digital cameras are configured to respectively two row's slide plates of pantograph be taken for 15 °-20 ° to take the angle of depression.Described camera arrangement has electric variable camera lens and electric variable aperture.
More preferably, described control point central apparatus comprises signal receiving unit, center signal processing unit, alarm unit and network equipment; Described signal receiving unit, described network equipment and described alarm unit are connected with described center signal processing unit respectively, described network equipment and the wireless connections of described Remote Network Monitoring central apparatus.
By adopting the real-time monitoring of this automatic monitored control system realization to pantograph, can find the pantograph fault in time, exactly, the running status that the bruise mark mark can be judged contact net of beating by pantograph simultaneously, thereby help timely maintenance, the maintenance of pantograph and contact net, play the purpose that reduces pantograph and contact net fault.
Description of drawings
Fig. 1 is the theory diagram of wireless video automatic monitoring system for pantograph of locomotive of the present invention;
Fig. 2 is the theory diagram of control point equipment shown in Figure 1;
Fig. 3 is the control point front-end equipment mounting arrangements synoptic diagram of control point equipment illustrated in figures 1 and 2;
Fig. 4 a is the front view of local mounting arrangements of the partial devices of control point equipment shown in Figure 3;
Fig. 4 b is the side view of local mounting arrangements of the partial devices of control point equipment shown in Figure 3;
Fig. 5 is the workflow diagram of wireless video automatic monitoring system for pantograph of locomotive of the present invention;
Fig. 6 be wireless video automatic monitoring system for pantograph of locomotive of the present invention vehicle near the time synchronous triggering principle schematic.
Embodiment
Fig. 1 is the theory diagram of wireless video automatic monitoring system for pantograph of locomotive of the present invention.As shown in Figure 1, wireless video automatic monitoring system for pantograph of locomotive proposed by the invention comprises Remote Network Monitoring central apparatus 1 and several control point equipment 2.Remote Network Monitoring central apparatus 1 is by the remote monitoring of wireless network realization to control point equipment 2.For the quantity of control point equipment 2, can by the user as required, actual conditions that circuit and fund state be installed determine.
Fig. 2 is the theory diagram of control point equipment shown in Figure 1.As shown in Figure 2, control point equipment 2 comprises control point front-end equipment 20 and control point central apparatus 22, and control point front-end equipment 20 and control point central apparatus 22 are connected by wireless network.Control point front-end equipment 20 comprises front end Comprehensive Control unit 200, signal transmitter unit 202 and signal gathering unit 204, and signal transmitter unit 202 and signal gathering unit 204 all are connected on the front end Comprehensive Control unit 200.Wherein, signal gathering unit 204 comprises video camera 2040, first digital camera 2041, second digital camera 2042, the 3rd digital camera 2043 (adopting 3 digital cameras in the present embodiment), first photoelectric sensor 2046 and second photoelectric sensor 2048, wherein, video camera 2040, three digital cameras, first photoelectric sensor 2046 and second photoelectric sensors 2048 are connected respectively on the front end Comprehensive Control unit 200.Control point central apparatus 22 comprises center signal processing unit 220, signal receiving unit 222, alarm unit 224 and network equipment 226, and signal receiving unit 222, alarm unit 224 and network equipment 226 are connected respectively on the center signal processing unit 220.
In actual measurement, when first photoelectric sensor 2046 and second photoelectric sensor 2048 detect the signal of approaching train, produce trigger pip, and described trigger pip is sent to front end Comprehensive Control unit 200, when front end Comprehensive Control unit 200 receives described trigger pip, trigger the image of digital camera and video camera 2040 automatic shooting motorcycle pantographs, then, under the control of front end Comprehensive Control unit 200, the image that shooting is obtained passes through near the control point central apparatus 22 that signal transmitter unit 202 is transmitted into control point front-end equipment 20 (in the present embodiment in the 5km scope), then, control point central apparatus 22 receives picture signal by signal receiving unit 222, and the picture signal that receives is sent to 220 pairs of images of center signal processing unit carry out Treatment Analysis, thereby judge the center line of pantograph, the slide plate abrasion condition, faults such as slide plate loss situation and slide plate crackle situation.At this moment, break down, then trigger alarm unit 224 and report to the police, take measures at fault, effectively prevent pantograph and contact net has an accident with the prompting staff if find pantograph.
Fig. 3 is the mounting arrangements synoptic diagram of the control point front-end equipment of control point equipment illustrated in figures 1 and 2.In the present embodiment, each control point equipment needs three columns, and the distance between column is about 10-30 rice.As shown in Figure 3, in control point front-end equipment 20, also be provided with first column 206, second column 207 and the 3rd column 208, first photoelectric sensor 2046 is installed on first column 206, second photoelectric sensor 2048 is installed on second column 207, front end Comprehensive Control unit 200 and signal transmitter unit 202 are installed on the 3rd column 208, signal transmitter unit 202 is integrated in the front end Comprehensive Control unit 200 in the present embodiment, certainly in actual applications, signal transmitter unit 202 can be independent of front end Comprehensive Control unit 200 and be provided with, in addition, in front end Comprehensive Control unit 200, also be provided with the decode controller (not shown), so that picture signal is handled.
Shown in Fig. 3 and Fig. 4 a, Fig. 4 b, the workplace of first digital camera 2041 with vertical shooting pantograph pan bar is installed on the central axis of rail 209, can obtain complete pantograph image, the identification of fault such as these first digital camera, 2041 captured images of vertically taking are mainly used in that slide plate is lost, slide plate crackle, pantograph bow angle are lost.In order clearly to take two row's slide plates of pantograph, every slide plate adopts a digital camera to take, same this digital camera is installed on the central axis of rail 209, the object of its shooting is the thickness of pantograph pan, in general, the original thickness of pantograph pan is 10mm, and impaired thickness limit is 3mm.Owing to be that the oblique angle is taken, digital camera can be installed on the crossbeam of the 3rd column 208, and digital camera is approximately 2m apart from the vertical range of the workplace of pantograph, take with certain angle of depression, taking angle of depression θ is 15 °-20 °.The angle of depression is relevant with accuracy of detection, and the angle of depression is more little, and accuracy of detection is high more.
In sum, native system adopts 3 digital cameras and 1 video camera that pantograph is carried out image taking in the present embodiment, 3 digital cameras are installed on the central axis of rail, wherein 1 digital camera is vertically taken the slide plate bar workplace of pantograph, coverage is 2085mm, two digital cameras are taken two slide plate bar thickness of pantograph respectively in addition, coverage is 950mm, and wherein digital camera is used for taking during near digital camera in pantograph, just take the slide plate bar in pantograph front, another digital camera is used for taking during away from digital camera in pantograph, just takes slide plate bar after the pantograph.In addition, as required, shooting for each slide plate bar of pantograph, can also increase a digital camera respectively takes, to improve the precision of measuring slide plate bar thickness, just, for each control point, adopt 4 digital cameras to come slide plate bar thickness is taken, just need 5 digital cameras that pantograph is taken altogether.Like this, the coverage of every digital camera reduces half, is approximately about 500mm.Try to achieve loss situation in the whole pantograph working range by the image co-registration of two digital cameras.
Below in conjunction with Fig. 5 and Fig. 6 the workflow of wireless video automatic monitoring system for pantograph of locomotive of the present invention and the trigger theory of digital camera and video camera are described.First photoelectric sensor 2046 is arranged on first column 206, is labeled as position A1; Second photoelectric sensor 2048 is arranged on second column 207, is labeled as position A2; Adopt three digital cameras to carry out picture shooting, and first digital camera 2041 is used for vertically taking the pantograph workplace, second digital camera 2042 is used to take the advancing slip lath of pantograph, and the 3rd digital camera 2043 is used to take the tail skid bar of pantograph.Mark T1, T2, T3 are respectively pantograph through time of first sensor 2046, second sensor 2048 and the 3rd column 208, before mark time T, the T, the best of being respectively first digital camera 2041, second digital camera 2042 and the 3rd digital camera 2043 behind the T takes constantly.
When first sensor detects the signal of approaching train, just when moment T1, system start-up, and this moment, system started video record, record T1 constantly automatically; When system receives the detected approaching train signal of second sensor, just at moment T2, the expression train is by second column, this moment system by between T1, T2 and the first sensor and second sensor apart from S1, calculate the travel speed v of train; Then system by between second sensor and the digital camera apart from the best shooting distance S3 between S2, pantograph front slide and the digital camera, the best that calculates three digital cameras is captured time T
Before, T, T
AfterAnd the train time T 4 by described control point fully, just the train tailstock is by the time of the 3rd column.Wherein, S1, S2, S3, the S4 of train length are known, and T1, T2 are the photoelectric sensor triggered time, can calculate train running speed v, best time T, the T of capturing thus
Before, T
AfterAnd the time T 4 passed through of train, it is as follows to calculate derivation:
Consider the time of system handles, can be provided with one correction time Δ T, then the actual best shooting time T of first digital camera is T=Δ T+T3.The best shooting time of second digital camera
The best shooting time of the 3rd digital camera
Train passes through the time of the 3rd column fully
In order to guarantee the integrality of video record, video recording time expand Δ T, the then time T that stops of video record can be set
Stop=T4+ Δ T.
In sum, by adopting wireless video automatic monitoring system for pantograph of locomotive proposed by the invention, can realize real-time monitoring to pantograph, and improved the precision of image taking, this automatic monitored control system can also realize remote control function simultaneously, thereby helps in time finding the fault of pantograph and contact net.
Claims (3)
1. a wireless video automatic monitoring system for pantograph of locomotive is characterized in that, comprises Remote Network Monitoring central apparatus and at least one control point equipment, and described control point equipment is connected by wireless network with described Remote Network Monitoring central apparatus, wherein:
Described control point equipment comprises control point front-end equipment and control point central apparatus, and described control point front-end equipment is connected by wireless network with described control point central apparatus,
Described control point front-end equipment comprises signal gathering unit, front end Comprehensive Control unit and signal transmitter unit, and described signal gathering unit, front end Comprehensive Control unit are connected successively with the signal transmitter unit,
Described control point front-end equipment also comprises first column, second column and the 3rd column,
Described signal gathering unit comprises video camera, digital camera, first photoelectric sensor and second photoelectric sensor; Described video camera, digital camera, first photoelectric sensor, second photoelectric sensor are connected with described front end Comprehensive Control unit respectively, and described first photoelectric sensor is installed on first column, described second photoelectric sensor is installed on second column, described video camera and digital camera are installed on the 3rd column, described front end Comprehensive Control unit and signal transmitter unit are installed on the 3rd column
Described digital camera is 3-5,
Described digital camera is installed on the orbit centre axis,
Wherein a digital camera is configured to pantograph is vertically taken, and at least two digital cameras are configured to respectively two row's slide plates of pantograph be taken for 15 °-20 ° to take the angle of depression,
When first photoelectric sensor detects the signal of approaching train, promptly constantly during T1, system start-up, and this moment, system started video record, record T1 constantly automatically; When system receives the detected approaching train signal of second photoelectric sensor, i.e. T2 constantly, this moment system by between T1, T2 and first photoelectric sensor and second photoelectric sensor apart from S1, calculate the travel speed v of train; Then system by between second photoelectric sensor and the digital camera apart from the best shooting distance S 3 between S2, pantograph front slide and the digital camera, the best that calculates three digital cameras is captured time T
Before, T, T
AfterAnd the train time T 4 by described control point fully, just the train tailstock is by the time of the 3rd column, and wherein, S1, S2, S3, the S4 of train length are known, T1, T2 are the photoelectric sensor triggered time, calculate train running speed v, best time T, the T of capturing thus
Before, T
AfterAnd the time T 4 passed through of train:
Δ T correction time is set, and then the actual best shooting time T of first digital camera is T=Δ T+T3; The best shooting time of second digital camera
The best shooting time of the 3rd digital camera
Train passes through the time of the 3rd column fully
In order to guarantee the integrality of video record, video recording time expand Δ t, the then time T that stops of video record are set
Stop=T4+ Δ t.
2. wireless video automatic monitoring system for pantograph of locomotive according to claim 1 is characterized in that, described camera arrangement has electric variable camera lens and electric variable aperture.
3. wireless video automatic monitoring system for pantograph of locomotive according to claim 1 is characterized in that, described control point central apparatus comprises signal receiving unit, center signal processing unit, alarm unit and network equipment; Described signal receiving unit, described network equipment and described alarm unit are connected with described center signal processing unit respectively, described network equipment and the wireless connections of described Remote Network Monitoring central apparatus.
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| CN2008100562037A CN101487873B (en) | 2008-01-15 | 2008-01-15 | Wireless video automatic monitoring system for pantograph of locomotive |
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| CN101487873B true CN101487873B (en) | 2011-04-06 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858731B (en) * | 2010-06-28 | 2012-01-25 | 成都主导科技有限责任公司 | Device for automatically online-detecting abrasion of pantograph pan of locomotive |
| CN102288614B (en) * | 2011-05-19 | 2012-11-07 | 西南交通大学 | Method for detecting pantograph crack fault based on curvelet domain moving parallel window |
| CN102722327A (en) * | 2012-05-25 | 2012-10-10 | 江汉大学 | Input equipment |
| CN102910079B (en) * | 2012-09-20 | 2014-11-19 | 南车南京浦镇车辆有限公司 | Subway train pantograph control method based on train network system |
| CN103115647B (en) * | 2013-02-01 | 2016-08-03 | 赵乎 | Monitoring system for rail transit bow net operating condition |
| CN104374373A (en) * | 2014-10-15 | 2015-02-25 | 中铁电气化局集团有限公司 | Catenary status monitoring system based on pantograph image analysis |
| CN104950764B (en) * | 2015-06-23 | 2017-09-29 | 珠海磐磊智能科技有限公司 | Remote controlled travelling system time delay correction method and remote controlled travelling system |
| CN106250868A (en) * | 2016-08-15 | 2016-12-21 | 致生联发信息技术股份有限公司 | A kind of slip electricity getting device form video monitoring system |
| CN107167098A (en) * | 2017-04-21 | 2017-09-15 | 南京理工大学 | Municipal rail train pantograph on-line measuring device and method |
| CN108106828B (en) * | 2017-12-14 | 2019-11-15 | 上海工程技术大学 | A kind of rigid contact net is bolted the detection device and detection method of state |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152988Y (en) * | 2008-01-15 | 2008-11-19 | 中国神华能源股份有限公司 | Wireless video automatic monitoring system for electric locomotive bow collector |
-
2008
- 2008-01-15 CN CN2008100562037A patent/CN101487873B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152988Y (en) * | 2008-01-15 | 2008-11-19 | 中国神华能源股份有限公司 | Wireless video automatic monitoring system for electric locomotive bow collector |
Non-Patent Citations (3)
| Title |
|---|
| JP特开平8-79904A 1996.03.22 |
| 周忠良等.机车受电弓硬点冲击检测和数据传输的研究.《铁路计算机应用》.2006,第15卷(第06期), * |
| 孙禹文.接触网受电弓动态实时视频监控***的研究.《电气化铁道》.2006,(第01期), * |
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