CN106017576A - Dynamic detection system of overhead line system - Google Patents
Dynamic detection system of overhead line system Download PDFInfo
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- CN106017576A CN106017576A CN201610638755.3A CN201610638755A CN106017576A CN 106017576 A CN106017576 A CN 106017576A CN 201610638755 A CN201610638755 A CN 201610638755A CN 106017576 A CN106017576 A CN 106017576A
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- locomotive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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Abstract
The invention discloses a dynamic detection system of an overhead line system. The dynamic detection system comprises high pressure data collection portions arranged on the two sides of the roof of a locomotive, a low pressure data collection portion arranged in the middle of the roof of the locomotive, and a data processing portion arranged inside the locomotive. Each high pressure data collection portion comprises a storage battery, a current controller electrically connected with the storage battery, a current transformer, a stagger value detection unit and a hard spot detection unit, wherein the current transformer, the stagger value detection unit and the hard spot detection unit are connected with the current controller. The low pressure data collection portion comprises a visual camera, an infrared camera, a GPS positioning module, a 4G wireless module and an electric arc unit which are connected with the data processing unit. The data processing portion comprises an image processing host, a signal collector and a UPS, wherein the signal collector and the UPS power source are connected with the image processing host. The system can achieve online detection of the overhead line system and a bow net operation state in real time in an all-weather mode and can timely find abnormal defects existing in the overhead line system.
Description
Technical field
The present invention relates to a kind of contact net dynamic detection system.
Background technology
In electric railway, contact net is the main power supply unit of electric railway, and electric locomotive obtains electric energy by contact net.The normal operation of whole electric railway operation system is played an important role by pantograph contact line relation.Good by fluidity energy for ensure between contact net reliability of operation and bow net, pantograph contact line relation is carried out detection and to grasp the state of catenary's parameters at any time be very important work.Contact net carries huge traction current during operation, there is the reasons such as the bad initiation temperature of contact net is abnormal, contact net geometric parameter transfinites at positions such as contact net wire clamps, may cause contact net fault.Owing to contact net belongs to without stand-by equipment, once break down, train operation will be interrupted, cause huge loss to railway transportation.
Currently mainly detection mode is in the following way:
1, manual patrol: by the railway skylight point time, operating personnel reaches the standard grade detection；
2, catenary design: use catenary design periodically to reach the standard grade and bow net state is detected.
The deficiency that above-mentioned detection mode exists is:
1, skylight point manual patrol: efficiency is low, wasting manpower and material resources, needs Window time, and the activity duration is limited, it is also possible to because the fatigue test of people causes missing inspection；
2, catenary design: non-vehicle in use, it is impossible to simulate real operation state；Detection equipment is limited, and coverage rate is low.
Summary of the invention
It is an object of the invention to provide a kind of contact net dynamic detection system, to solve the existing contact net dynamic detecting equipment inefficient problem of monitoring.
For solving above-mentioned technical problem, the present invention provides a kind of contact net dynamic detection system, including the high-pressure data collecting part of the roof both sides being separately positioned on locomotive, it is arranged on the low pressure data collecting part in the middle part of the roof of locomotive, and the data processing section being arranged in locomotive；High-pressure data collecting part includes accumulator, the current controller being connected with storage battery, and current transformer, stagger detector unit and the hard spot detector unit being connected with current controller respectively；Stagger detector unit and hard spot detector unit send data by wireless data transmitter with data processing unit；Low pressure data collecting part includes visible camera, infrared camera, GPS locating module, 4G wireless module and the electric arc unit being connected respectively with data processing unit；Data processing section includes image procossing main frame, and the signal picker that is connected with image procossing main frame respectively and ups power；The data that signal picker is sent by wireless data receiver receiving radio data transmitter.
Further, stagger detector unit includes the electric switch that diffuses being connected with current controller, and the outfan of the electric switch that diffuses is connected with wireless data transmitter.
Further, hard spot detector unit includes 3-axis acceleration sensor, and the outfan of 3-axis acceleration sensor is connected with wireless data transmitter.
The invention have the benefit that this detecting system measures the left and right stagger of contact net by the electric switch that diffuses, measured the hard spot value of contact net by 3-axis acceleration sensor, measure the value of slope of contact net, height value and temperature value respectively by visible camera, infrared camera.Native system may be mounted on vehicle in use, as runed EMUs or locomotive, run with vehicle in use, can real-time round-the-clock on-line checking contact net and bow net running status, realize operation the most detectable on-line checking pattern, the abnormal defect existing for contact net can be found in time, be effectively increased detection efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Detailed description of the invention
Below the detailed description of the invention of the present invention is described; so that those skilled in the art understand the present invention; it is to be understood that; the invention is not restricted to the scope of detailed description of the invention; from the point of view of those skilled in the art; as long as various changes limit and in the spirit and scope of the present invention that determine, these changes are apparent from, and all utilize the innovation and creation of present inventive concept all at the row of protection in appended claim.
Contact net dynamic detection system as shown in Figure 1, including the high-pressure data collecting part of the roof both sides being separately positioned on locomotive, is arranged on the low pressure data collecting part in the middle part of the roof of locomotive, and the data processing section being arranged in locomotive；Separately below various piece is described in detail:
High-pressure data collecting part includes accumulator, the current controller being connected with storage battery, and be connected with current controller respectively current transformer, stagger detector unit and hard spot detector unit.Stagger detector unit includes the electric switch that diffuses being connected with current controller, and the outfan of the electric switch that diffuses is connected with wireless data transmitter；Hard spot detector unit includes 3-axis acceleration sensor, and the outfan of 3-axis acceleration sensor is connected with wireless data transmitter.Stagger detector unit and hard spot detector unit send data by wireless data transmitter with data processing unit；
In the course of the work, being diffused by the way of electric switch+infrared measurement of temperature video camera combines by employing and gather data, measured value is three grades.A level is gathered data (>=500mm) record by the electric switch that diffuses, and intercepts image.Diffuse electric switch continuous action twice in the range of locomotive operation 20 meters, gathers contact net fault message, triggers the first infrared measurement of temperature video camera simultaneously；First infrared measurement of temperature video camera sample frequency is 30 frames/S, for left and right stagger the record of Real-time Collection contact net, shows whole measurement process in the way of curve, completes B, C DBMS collection.A, B, C level, A level >=500mm detection record and intercepting image, B level: 500 ＞ B >=400mm is shown respectively in form；C level: 400 ＞ C >=300mm, only records data, does not record image；Wherein, B, C level parameter can be arranged and adjust at software.
The sample frequency of 3-axis acceleration sensor is 50 times/S, and measured value (X, Y, Z axis) is three grades.X, Y, Z axis measures hard spot value record in real time, shows whole measurement process in the way of curve, shows X, Y, Z axis A, B, C level in form respectively, and A level detection record and intercepting image, B level, C level only record data, do not record image.
Low pressure data collecting part includes visible camera, infrared camera, GPS locating module, 4G wireless module and the electric arc unit being connected respectively with data processing unit.
The present invention passes through infrared camera and visible camera Real-time Collection contact net height value, and the sample frequency of infrared camera is 30 frames/S, and while gathering the height value of contact net, GPS locating module obtains stride values, thus calculates value of slope, and measured value is three grades.A, B, C level, A level >=5 ‰, detection record data and curve, B level 3 ‰ 0-4.99 ‰, C level 1-2.99 ‰ record data are shown respectively in form.
By infrared camera and visible camera Real-time Collection contact net height value, the sample frequency of outer camera reality is 30 frames/S, and measured value is three grades.In form, show A, B, C level, A level detection record data and intercepting image, B level, C level detection record data respectively, do not record image；Wherein, B, C level parameter can be arranged and adjust at software.
Additionally, the application also can be acquired by the real temperature to contact net of infrared camera simultaneously, and its measured value is also three grades, shows A, B, C level, A level >=250 DEG C, detection record data and intercepting image, B level 250 ＞ C >=200 DEG C in form respectively；C level 200 ＞ C >=100 DEG C, only record data.
Data processing section includes image procossing main frame, and the signal picker that is connected with image procossing main frame respectively and ups power；The data that signal picker is sent by wireless data receiver receiving radio data transmitter.
Additionally, the application uses ups power, there is uninterrupted power supply ability.When electrical locomotive power input is normal, UPS is converted into DC12 volt output locomotive DC source, to image procossing host supplying power, once electrical locomotive power input is abnormal, so UPS can enable stand-by power source-accumulator, it is ensured that the normal work of system, prevents image host machine system or detection loss of data；When electrical locomotive power dead electricity or exception, UPS sends shutdown command shutdown to image procossing；UPS detects that image host machine shutdown is complete, and excision image procossing main frame automatically prevents image host machine standby power consumption, and accumulator uses 12V 7AH.
Native system may be mounted on vehicle in use, as runed EMUs or locomotive, run with vehicle in use, can real-time round-the-clock on-line checking contact net and bow net running status, realize operation the most detectable on-line checking pattern, the abnormal defect existing for contact net can be found in time.
Claims (3)
1. a contact net dynamic detection system, it is characterised in that include the high-pressure data collecting part being separately positioned on the roof both sides of locomotive, be arranged on the low pressure data collecting part in the middle part of the roof of locomotive, and the data processing section being arranged in locomotive；
Described high-pressure data collecting part includes accumulator, the current controller being connected with described storage battery, and current transformer, stagger detector unit and the hard spot detector unit being connected with described current controller respectively；Stagger detector unit and hard spot detector unit send data by wireless data transmitter with described data processing unit；
Described low pressure data collecting part includes visible camera, infrared camera, GPS locating module, 4G wireless module and the electric arc unit being connected respectively with described data processing unit；
Described data processing section includes image procossing main frame, and the signal picker that is connected with described image procossing main frame respectively and ups power；The data that described signal picker is sent by wireless data receiver receiving radio data transmitter.
Contact net dynamic detection system the most according to claim 1, it is characterized in that, described stagger detector unit includes the electric switch that diffuses being connected with described current controller, described in the diffuse outfan of electric switch be connected with described wireless data transmitter.
Contact net dynamic detection system the most according to claim 1, it is characterised in that described hard spot detector unit includes that 3-axis acceleration sensor, the outfan of described 3-axis acceleration sensor are connected with described wireless data transmitter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610638755.3A CN106017576B (en) | 2016-08-08 | 2016-08-08 | Contact net dynamic detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610638755.3A CN106017576B (en) | 2016-08-08 | 2016-08-08 | Contact net dynamic detection system |
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| CN106017576A true CN106017576A (en) | 2016-10-12 |
| CN106017576B CN106017576B (en) | 2018-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458742A (en) * | 2018-01-05 | 2018-08-28 | 中国铁道科学研究院基础设施检测研究所 | A kind of railway contact line detection signal transmitting apparatus and method |
| CN109115265A (en) * | 2018-06-29 | 2019-01-01 | 苏州大成电子科技有限公司 | A kind of contact net working state monitoring system and method |
| WO2022170628A1 (en) * | 2021-02-15 | 2022-08-18 | 苏州大成电子科技有限公司 | System for detecting pantograph-catenary running state of locomotive |
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| CN201514201U (en) * | 2009-09-11 | 2010-06-23 | 中南大学 | Device for monitoring state of bow net of electric locomotive |
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| CN105652154A (en) * | 2016-01-25 | 2016-06-08 | 成都国铁电气设备有限公司 | Safety monitoring analysis system for contact net running state |
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2016
- 2016-08-08 CN CN201610638755.3A patent/CN106017576B/en active Active
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| CN2936870Y (en) * | 2006-11-27 | 2007-08-22 | 铁道科学研究院 | Device for testing performance of current collecting of contont net-pantograph system |
| CN201514201U (en) * | 2009-09-11 | 2010-06-23 | 中南大学 | Device for monitoring state of bow net of electric locomotive |
| CN202501868U (en) * | 2012-02-21 | 2012-10-24 | 敬文平 | On-line detection system for fiber grating railway contact network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108458742A (en) * | 2018-01-05 | 2018-08-28 | 中国铁道科学研究院基础设施检测研究所 | A kind of railway contact line detection signal transmitting apparatus and method |
| CN109115265A (en) * | 2018-06-29 | 2019-01-01 | 苏州大成电子科技有限公司 | A kind of contact net working state monitoring system and method |
| WO2022170628A1 (en) * | 2021-02-15 | 2022-08-18 | 苏州大成电子科技有限公司 | System for detecting pantograph-catenary running state of locomotive |
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| CN106017576B (en) | 2018-11-30 |
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