CN203358615U - Ultraviolet measurement based pantograph net arcing measurement device - Google Patents
Ultraviolet measurement based pantograph net arcing measurement device Download PDFInfo
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- CN203358615U CN203358615U CN 201320429943 CN201320429943U CN203358615U CN 203358615 U CN203358615 U CN 203358615U CN 201320429943 CN201320429943 CN 201320429943 CN 201320429943 U CN201320429943 U CN 201320429943U CN 203358615 U CN203358615 U CN 203358615U
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Abstract
The utility model relates to a pantograph net arcing measurement device for detecting pantograph net arcing in a high-speed railway, and particularly to an ultraviolet measurement based pantograph net arcing measurement device. The pantograph net arcing measurement device comprises an arcing detection sensor unit used for detecting arcing, a signal conditioning module used for conditioning and shaping a signal from the arcing detection sensor unit, and a data processing unit used for processing the signal which passes through the signal conditioning module, wherein the arcing detection sensor unit, the signal conditioning module and the data processing unit are connected in order. Therefore, the utility model provides the pantograph net arcing measurement device which can be used in a high-speed railway passenger dedicated line (more than 30 km/h), and further provides the ultraviolet measurement based pantograph net arcing measurement device which is simple in structure and convenient in installation and maintenance.
Description
Technical field
The utility model relates in a kind of high speed railway for detection of the bow net arcing measurement mechanism of bow net arcing, relates more specifically to a kind of bow net arcing measurement mechanism based on ultraviolet measurement.
Background technology
In the country of high speed railway prosperity, utilize detection contact system off-line spark, arcing to estimate the pantograph-catenary current collection performance, become the important indicator of some state-owned railroads industries of Europe.All be devoted to study the bow net arcing detecting device in Japan and method state, and obtaining good effect.To the detection of pantograph and contact system, China railways is conceived to the research of pantograph and Contact Line Detection correlation parameter always, in recent years, along with building up of China Express Railway, has had the fastest in the world, the longest high-speed line.In this case, development high speed railway bow net arcing measurement mechanism is very important.
But at present domestic also not for the related detection device of estimating bow net off-line spark, arcing parameter.Japan and France also only are applicable to train running speed at the detecting device below 200-250 kilometer/hour.Along with Beijing-Tianjin, military wide after 2008, Zheng Xi, the 350 kilometers/hour railway line for passenger traffics in Shanghai and Nanjing open-minded, have higher requirement to the safety in operation of tractive power supply system contact system.But, the current bow net arcing check implement that also there is no special line for passenger trains more than 300 kilometers/hour.
The utility model content
The utility model is made with regard to the defect that is based on above-mentioned prior art, the purpose of this utility model is to provide a kind of bow net arcing testing equipment that can use on high speed (more than 300 kilometers/hour) special line for passenger trains, and another purpose of the present utility model is to provide a kind of bow net arcing measurement mechanism based on ultraviolet measurement simple in structure, easy to installation and maintenance.In order to realize above-mentioned purpose, the utility model adopts following technical scheme.
A kind of bow net arcing measurement mechanism based on ultraviolet measurement, above-mentioned bow net arcing measurement mechanism comprises: for surveying the arcing acquisition sensor unit of arcing, for the carrying out conditioning of the signal to coming from above-mentioned arcing acquisition sensor unit and the signal condition module of shaping, and the data processing unit of being processed for the signal to through above-mentioned signal condition module, above-mentioned arcing acquisition sensor unit, above-mentioned signal condition module and above-mentioned data processing unit connect in turn.
At first, the connecting bridge setting between the corresponding pantograph in above-mentioned arcing acquisition sensor unit and contact wire, above-mentioned arcing acquisition sensor comprises optical sensor for surveying the fixed wave length light wave and for the protection of the protective cover of this optical sensor.And above-mentioned optical sensor is based on ultraviolet optical sensor.Can when have arcing and off-line spark to occur, can catch in real time and survey like this.
In addition, above-mentioned signal condition module comprises that signal to coming from arcing acquisition sensor unit is nursed one's health first and the first signal conditioning unit of shaping and carry out the further low pressure side test cell of conditioning for the signal through above-mentioned signal condition unit.
Further, above-mentioned first signal conditioning unit is arranged on the top of the vehicle at pantograph place, and above-mentioned first signal conditioning unit comprises conditioning unit for signal is nursed one's health and for signal being carried out to the shaping unit of shaping.Above-mentioned low pressure side test cell is arranged on the top of the vehicle at pantograph place, and above-mentioned low pressure side test cell comprises amplifying unit, filter unit, the secondary signal conditioning unit connected in turn.The photoelectric interference of eliminating roof of can going bail for like this and remove clutter in signal etc.
Further, above-mentioned low pressure side test cell also comprises that the parameter of the signal that will nurse one's health is transferred to the output unit of above-mentioned data processing unit.
In addition, above-mentioned data processing unit comprises the input block that comes from the data of low pressure side test cell for reception, and the signal processing unit of being analyzed and process to obtain the parameter of arcing according to the signal parameter of input block reception, input block is connected with signal processing unit.Above-mentioned data processing unit is arranged in locomotive.Data processing unit can be accepted performance perameter and the detecting parameter that the low pressure side measuring unit transmits like this, and is analyzed and process to obtain according to performance perameter and detecting parameter the performance test results such as time length, size, position and arcing rate that arcing occurs.
By adopting above-mentioned technical scheme, the utility model provides a kind of bow net arcing testing equipment that can use on high speed (more than 300 kilometers/hour) special line for passenger trains, and the utility model provides a kind of bow net arcing measurement mechanism based on ultraviolet measurement simple in structure, easy to installation and maintenance in addition.
The accompanying drawing explanation
Fig. 1 is the structured flowchart of the embodiment of bow net arcing measurement mechanism of the present utility model;
Fig. 2 is the structured flowchart more specifically of the embodiment of the bow net arcing measurement mechanism of the present utility model shown in Fig. 1;
Fig. 3 A is the structured flowchart of first signal conditioning unit;
Fig. 3 B is the structured flowchart of low pressure side test cell.
The specific embodiment
The utility model is to provide a kind of bow net arcing testing equipment that can use on high speed (more than 300 kilometers/hour) special line for passenger trains, and another purpose of the present utility model is to provide a kind of bow net arcing measurement mechanism based on ultraviolet measurement simple in structure, easy to installation and maintenance.Below in conjunction with Figure of description, concrete technical scheme of the present utility model is described.
Fig. 1 is the structured flowchart of the embodiment of bow net arcing measurement mechanism of the present utility model; Fig. 2 is the structured flowchart more specifically of the embodiment of the bow net arcing measurement mechanism of the present utility model shown in Fig. 1.Wherein show the structured flowchart of preferred embodiment of the present utility model.Wherein the bow net arcing measurement mechanism in this specific embodiment comprises: 1) arcing acquisition sensor unit (also can be called the spark detection sensing unit) comprises the light sensation sensing unit, a protective cover.The light wave of the fixed wave length that optical sensor discharges in the time of should spark being arranged mutually for induction, protective cover is for the protection of light sensation sensing unit, the functions such as waterproof.Can catch in real time and survey when having arcing and off-line spark to occur.2) signal condition module, comprise that the signal to coming from arcing acquisition sensor unit is nursed one's health first with the first signal conditioning unit of shaping and carries out the further low pressure side test cell (Fig. 2) of conditioning for the signal through above-mentioned signal condition unit.Wherein be arranged on the signal condition unit (first signal conditioning unit) of roof, preferably include conditioning unit and shaping unit (seeing Fig. 3 A).For the signal condition integer, function is to reject the photoelectric interference of corresponding roof.And the low pressure side test cell preferably includes amplifying unit, filter unit and secondary signal conditioning unit (seeing Fig. 3 B).For further conditioned signal.Function, for further removing on high-tension side electromagnetic interference, makes signal remove clutter.When arcing and the generation of off-line spark.Surveyed the number of times of position that the off-line spark occurs and off-line at interior detecting parameter; And detecting parameter and performance perameter are transferred to data processing unit.3) data processing unit, comprise the A/D translation function.Be arranged in car, the performance perameter and the detecting parameter that for receiving the low pressure side measuring unit, transmit, and analyzed and process to obtain according to performance perameter and detecting parameter the time length that arcing occurs, and size, position, reach the performance test results such as arcing rate.
More specifically, this arcing acquisition sensor is arranged at roof, and the rear portion of pantograph, for surveying the size of arcing; The position that the off-line spark that this arcing acquisition sensor obtains occurs and the number of times of off-line are received and are reached the low pressure side test cell and by filtering, performance perameter is transferred to the data processing unit of locomotive by this signal condition receptor.
In the present embodiment, the arcing acquisition sensor can be installed near the pantograph roof, measure the place that the off-line spark occurs, statistics off-line number of times etc.For example, the observed reading of off-line spark can comprise: the time length of each electric arc, arc position, off-line number of times, contact loss rate, speed; And can record the pantograph electric current.
In the present embodiment, in order to make the arcing acquisition sensor, the responsive rate of very strong height is arranged, this arcing acquisition sensor need to from pantograph enough close to; Can this arcing acquisition sensor be arranged on to the rear portion of pantograph according to the direction of traffic of locomotive, aim at tail skid.This arcing acquisition sensor adopts integrated chip, and like this, antijamming capability is strong, and the precision of measurement is high, applicable to speed at the motor train unit more than 300 kilometers/hour.
By adopting above-mentioned concrete technical scheme, the utility model provides a kind of bow net arcing testing equipment that can use on high speed (more than 300 kilometers/hour) special line for passenger trains, and the utility model also provides a kind of bow net arcing measurement mechanism based on ultraviolet measurement simple in structure, easy to installation and maintenance.
The professional can also further recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, composition and the step of each example described according to function in the above description in general manner.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.The professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present utility model.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, treater to carry out, or the combination of the two is implemented.Software module can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, read-only memory (ROM) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
The above above-mentioned specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; more than above are only the specific embodiment of the present utility model; and be not used in and limit protection domain of the present utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the bow net arcing measurement mechanism based on ultraviolet measurement, it is characterized in that, described bow net arcing measurement mechanism comprises: for surveying the arcing acquisition sensor unit of arcing, for the carrying out conditioning of the signal to coming from described arcing acquisition sensor unit and the signal condition module of shaping, and the data processing unit of being processed for the signal to through described signal condition module, described arcing acquisition sensor unit, described signal condition module and described data processing unit connect in turn.
2. bow net arcing measurement mechanism according to claim 1; it is characterized in that; connecting bridge setting between the corresponding pantograph in described arcing acquisition sensor unit and contact wire, described arcing acquisition sensor comprises optical sensor for surveying the fixed wave length light wave and for the protection of the protective cover of this optical sensor.
3. bow net arcing measurement mechanism according to claim 2, is characterized in that, described optical sensor is based on ultraviolet optical sensor.
4. bow net arcing measurement mechanism according to claim 1, it is characterized in that, described signal condition module comprises that the signal to coming from arcing acquisition sensor unit is nursed one's health first and the first signal conditioning unit of shaping and carry out the further low pressure side test cell of conditioning for the signal through described signal condition unit.
5. bow net arcing measurement mechanism according to claim 4, it is characterized in that, described first signal conditioning unit is arranged on the top of the vehicle at pantograph place, and described first signal conditioning unit comprises conditioning unit for signal is nursed one's health and for signal being carried out to the shaping unit of shaping.
6. bow net arcing measurement mechanism according to claim 4, it is characterized in that, described low pressure side test cell is arranged on the top of the vehicle at pantograph place, and described low pressure side test cell comprises amplifying unit, filter unit and the secondary signal conditioning unit connected in turn.
7. bow net arcing measurement mechanism according to claim 6, is characterized in that, described low pressure side test cell also comprises that the parameter of the signal that will nurse one's health is transferred to the output unit of described data processing unit.
8. bow net arcing measurement mechanism according to claim 1, it is characterized in that, described data processing unit comprises the input block that comes from the data of low pressure side test cell for reception, and the signal processing unit of being analyzed and process to obtain the parameter of arcing according to the signal parameter of input block reception, input block is connected with signal processing unit.
9. bow net arcing measurement mechanism according to claim 8, is characterized in that, described data processing unit is arranged in the car of vehicle at pantograph place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320429943 CN203358615U (en) | 2013-07-18 | 2013-07-18 | Ultraviolet measurement based pantograph net arcing measurement device |
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| CN 201320429943 CN203358615U (en) | 2013-07-18 | 2013-07-18 | Ultraviolet measurement based pantograph net arcing measurement device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176088A (en) * | 2014-09-11 | 2014-12-03 | 西南交通大学 | Non-contact type pantograph and catenary arcing energy detection method and system |
| CN104442840A (en) * | 2014-12-01 | 2015-03-25 | 西南交通大学 | Method for acquiring traction current disturbing amount during arc burning of bow net, and arc burning detection device |
| CN109459672A (en) * | 2018-12-12 | 2019-03-12 | 西安理工大学 | The recognition methods of railway contact line electric spark and system based on ultraviolet detector |
| CN109917224A (en) * | 2019-03-11 | 2019-06-21 | 西南交通大学 | Non-contact pantograph arc energy detection device and method based on spectrum diagnosis |
| CN110470958A (en) * | 2019-08-23 | 2019-11-19 | 西南交通大学 | A kind of bow net arc stiffness detection system and method based on electric arc arc acoustical signal |
-
2013
- 2013-07-18 CN CN 201320429943 patent/CN203358615U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104176088A (en) * | 2014-09-11 | 2014-12-03 | 西南交通大学 | Non-contact type pantograph and catenary arcing energy detection method and system |
| CN104442840A (en) * | 2014-12-01 | 2015-03-25 | 西南交通大学 | Method for acquiring traction current disturbing amount during arc burning of bow net, and arc burning detection device |
| CN109459672A (en) * | 2018-12-12 | 2019-03-12 | 西安理工大学 | The recognition methods of railway contact line electric spark and system based on ultraviolet detector |
| CN109917224A (en) * | 2019-03-11 | 2019-06-21 | 西南交通大学 | Non-contact pantograph arc energy detection device and method based on spectrum diagnosis |
| CN110470958A (en) * | 2019-08-23 | 2019-11-19 | 西南交通大学 | A kind of bow net arc stiffness detection system and method based on electric arc arc acoustical signal |
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Granted publication date: 20131225 Termination date: 20210718 |