CN108226717A - A kind of bow net arcing monitors system - Google Patents
A kind of bow net arcing monitors system Download PDFInfo
- Publication number
- CN108226717A CN108226717A CN201611161628.5A CN201611161628A CN108226717A CN 108226717 A CN108226717 A CN 108226717A CN 201611161628 A CN201611161628 A CN 201611161628A CN 108226717 A CN108226717 A CN 108226717A
- Authority
- CN
- China
- Prior art keywords
- bow net
- arcing
- pantograph
- transmission fibers
- net arcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 230000003137 locomotive effect Effects 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 44
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000009102 absorption Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 description 4
- 238000001931 thermography Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 241001465805 Nymphalidae Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
Abstract
The present invention provides a kind of bow net arcings to monitor system, including monitoring system, the monitoring system include the detecting module being set in pantograph, in locomotive through Transmission Fibers connect with detecting module for signal processing apparatus that the optical signal of detecting module is converted to the photoelectric conversion device of electric signal and is connect with photoelectric conversion device, the signal processing apparatus is positioned and is recorded to the judgement of bow net arcing intensity and temperature according to the electric signal that photoelectric conversion device is sent and obtains pantograph temperature information.Compared with prior art, the present invention is to detect the ultraviolet light of arcing point in bow net arcing come the phenomenon that judging arcing and intensity, arcing temperature is detected as supplementary means simultaneously, effectively increase bow net arcing failure detection efficiency and accuracy rate simultaneously detecting module be attached in pantograph as passive device, this substantially reduces detectors and the distance of detection target, improve detectivity.
Description
Technical field
The present invention relates to a kind of Inspection Technology for Overhead Contact System field, particularly a kind of bow net arcing monitoring system.
Background technology
Pantograph net good contact is the important prerequisite for ensureing EMU safe operation and passenger survival safety.Bow net is with connecing
Bow net arcing phenomenon can be generated when detaching by touching net.Bow net arcing has light feature, thermal characteristics and electromagnetic signature.It can according to these features
To realize the detection to bow net arcing, so as to judge the safety of pantograph-catenary current collection system.Most monitorings are to bow net at present
The detection of arcing single features；With the maturation of detection means, multiple features monitoring simultaneously is the developing direction of bow net arcing detection,
The accurate judgement to bow net arcing phenomenon can be effectively improved in this way.
If patent announcement number is discloses a kind of non-contact bow net arcing detection monitoring of structures in CN203681577U.It should
Structure includes roof detection part and interior detection part.Roof detection part mainly includes optical lens group and infrared thermal imaging
Instrument.Optical lens group realizes effective acquisition of bow net arcing feature ultraviolet signal.Infrared thermography realizes acquisition bow net fortune
The Temperature Distribution of row thermal image and bow net arcing, the information of auxiliary observation bow net arcing.
Foregoing invention can realize the detection of bow net arcing phenomenon, but there are still problems with：(1) thermal imaging is assisted
Detecting system requirement is high.Since the bow net arcing duration is substantially in millisecond grade, bow net is obtained using infrared thermography
The Temperature Distribution of thermal image and bow net arcing is run, it is relatively high to the performance requirement of camera, so as to need higher cost.
(2) ultraviolet imagery is of high cost, and ultraviolet light is transmitted using UV fiber beam in the invention, fiber optic bundle it is expensive significantly
Increase the cost of detecting system.(3) detectivity is low.Existing bow net detector is generally installed at roof, and distance is by electricity
Bow has several meters of remote distances with contact net contact point, causes detecting system to the insensitive of faint bow net arcing.
Invention content
In order to overcome the deficiencies of the prior art, the present invention provides a kind of bow net arcing monitoring system, so as to fulfill in arcing
The ultraviolet light of arcing point monitors arcing temperature as supplementary means come the phenomenon that judging arcing and intensity, so as to improve bow
The detection efficiency and accuracy rate of net arcing failure, and it is at low cost.
The present invention provides a kind of bow net arcing monitor system, including monitor system, the monitoring system include be set on by
Detecting module in pantograph is used to turn the optical signal of detecting module in locomotive through what Transmission Fibers were connect with detecting module
The signal processing apparatus for being changed to the photoelectric conversion device of electric signal and being connect with photoelectric conversion device, the signal processing apparatus
The judgement of bow net arcing intensity and temperature is positioned and is recorded according to the electric signal that photoelectric conversion device is sent and obtain by
Pantograph temperature information.
Further, the detecting module includes the ultraviolet probe and temp probe that are set in pantograph, the ultraviolet spy
Head and temp probe are connect by Transmission Fibers with photoelectric conversion device.
Further, the photoelectric conversion device is included through photoelectric sensor of the Transmission Fibers with ultraviolet probe connection and drive
Dynamic circuit and the photoelectric sensor being connect through Transmission Fibers with temp probe, the photoelectric sensor and driving circuit and photoelectric transfer
Sensor is connect respectively with signal processing system.
Further, the Transmission Fibers include the first Transmission Fibers, the second Transmission Fibers, and the ultraviolet probe is through first
Transmission Fibers are connect with photoelectric sensor and driving circuit, and temp probe is connect through the second Transmission Fibers with photoelectric sensor.
Further, on the outer surface of upper arm that the ultraviolet probe is attached to pantograph.
Further, first Transmission Fibers are attached on the upper arm and underarm of pantograph.
Further, the temp probe is set in the upper arm of pantograph.
Further, second Transmission Fibers are set on inside the upper arm of pantograph and in underarm inside.
Further, the ultraviolet ultraviolet filtering for including optical lens, being separately positioned on optical lens surface of popping one's head in
Piece and fluorescence coating.
Further, the temp probe is fluorescence temperature sensor, Fiber-optic Temperature Sensors Based on Semiconductor Optical Abs orption or light
Fine grating temperature sensor.
Compared with prior art, the present invention the present invention judges arcing to detect the ultraviolet light of arcing point in bow net arcing
Phenomenon and intensity, while arcing temperature is detected as supplementary means, this multi-functional detection device is conducive to bow net arcing inspection
Measurement equipment it is integrated, effectively increase the detection efficiency and accuracy rate of bow net arcing failure, reduce the synthesis of detecting system
Cost.Detecting module is attached to as passive device in pantograph simultaneously, and this substantially reduces detectors and detection target
Distance, improve detectivity.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is a kind of structure diagram of the ultraviolet probe of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of bow net arcing monitoring system of the present invention, including monitoring system, the monitoring system includes
Detecting module 1 in pantograph 7, the photoelectric conversion device being connect in locomotive through Transmission Fibers with detecting module 1, with
And the signal processing apparatus 6 being connect with photoelectric conversion device, wherein：
Detecting module 1 is used to obtain the ultraviolet light in bow net arcing and obtains the optical signal of the temperature change of pantograph；
Photoelectric conversion device is used to the optical signal of detecting module 1 being converted to electric signal；
Signal processing apparatus 6 is used to sentence bow net arcing intensity and temperature according to the electric signal that photoelectric conversion device is sent
It is disconnected to be positioned and recorded and obtain pantograph temperature information.
The detecting module 1 includes the ultraviolet probe 11 being set in pantograph and temp probe 8,11 Hes of the ultraviolet probe
Temp probe 8 is connect by Transmission Fibers with photoelectric conversion device, is divided into two-way detection so as to monitor system, is ultraviolet all the way
Optical detection is all the way temperature sensing.
Photoelectric conversion device includes the photoelectric sensor being connect through Transmission Fibers with ultraviolet probe 11 and driving circuit 4 and warp
The photoelectric sensor 5 that Transmission Fibers are connect with temp probe 8, the photoelectric sensor and driving circuit 4 divide with photoelectric sensor 5
It is not connect with signal processing system 6.
Photoelectric sensor and driving circuit 4 include photoelectric sensor and driving circuit, and photoelectric sensor connects with driving circuit
It connects.
Photoelectric sensor is used to the optical signal of temp probe 8 or ultraviolet probe 11 being converted to electric signal in the present invention；It drives
Dynamic circuit is used to be amplified the electric signal of the conversion of photoelectric sensor in photoelectric sensor and driving circuit 4 and export to letter
Number processing system 6.
The Transmission Fibers of the present invention include the first Transmission Fibers 2, the second Transmission Fibers 3, and the ultraviolet probe 11 is through first
Transmission Fibers 2 are connect with photoelectric sensor and driving circuit 4, and temp probe 8 connects through the second Transmission Fibers 3 with photoelectric sensor 5
Connect, between the first Transmission Fibers 2 and photoelectric sensor and driving circuit 4, between the second Transmission Fibers 3 and photoelectric sensor 5
It is connected by optical fiber connection-peg, optical fiber connection-peg is not specifically limited herein using conventional optical fiber connection-peg.
Temp probe 8 can use fluorescence temperature sensor, Fiber-optic Temperature Sensors Based on Semiconductor Optical Abs orption or fiber grating
Temperature sensor.
As shown in Fig. 2, ultraviolet probe 11 includes optical lens 12, the purple being separately positioned in 12 both side surface of optical lens
Outer optical filter 13 and fluorescence coating 14, fluorescence coating 14 are the glass with fluorescent material.Uv filter 13 is to short wavelength UV UVC
The ultraviolet light transmission of wave band to other light cut-off except the wave band and has certain requirement to cut-off depth.Fluorescence coating 14
It is that one kind can convert uv light into visible ray, fluorescence coating is attached to the surface of 2 one end of the first Transmission Fibers, saves in this way
The material of fluorescence coating 14；Ultraviolet light is focused on the end face of the first Transmission Fibers 2 by optical lens 12, and fluorescence coating 14 is by ultraviolet
The radiation of light and release visible ray, the visible ray inspired be coupled into the first Transmission Fibers 2 and be transmitted to photoelectric sensor and
Driving circuit 4.
The course of work of ultraviolet probe 11 is as follows in the present invention：When arcing phenomenon occurs for bow net, arc light launches a large amount of purples
Outer photon makes ultraviolet photon arrival be attached to the ultraviolet probe 11 in pantograph, and ultraviolet light is received by ultraviolet probe 11, ultraviolet light
It is incident on fluorescence coating transmitted through ultraviolet filter.Fluorescence coating generates visible ray by ultraviolet excitation, and the visible ray of generation is by light
It learns lens to collect into the first Transmission Fibers 2, the first Transmission Fibers 2 will be in the transmission of visible light to locomotive of collection；Photoelectric sensing
After device and driving circuit 4 receive visible ray, it will be seen that the optical signal of light is converted into electric signal, electric signal driven circuit send to
Signal processing system 6, by electric signal judgement come realize the judgement to bow net arcing intensity and temperature and carry out positioning and
Record.
The course of work of the temp probe of the present invention is as follows：Bow net generation arcing, which can generate a large amount of heat, can lead to pantograph
Temperature rise.Temp probe can be transmitted signals to by detecting temperature in photoelectric sensor 5.Here it is popped one's head in fluorescence temperature
The trend of its signal is illustrated as an example：It can lead to the temperature of pantograph when bow net generation arcing can generate a large amount of heat
Rise, photoelectric sensor 5 periodically transmitting pulse excitation light, exciting light can pass through the second Transmission Fibers 3 and reach connection temp probe 8
During the fluorescent material of one end end face, fluorescent material can be inspired fluorescence, and the fluorescence of excitation can be transferred to photoelectric sensor 5,
Fluorescence conversion for electric signal and is sent to signal processing system 6 by photoelectric sensor 5, and signal processing system 6 is by judging fluorescence
Die-away time so as to obtain the temperature information of pantograph.
Preferably, the ultraviolet probe 11 is attached on the outer surface of upper arm 9 of pantograph 7, the first Transmission Fibers 2 are attached
It on the upper arm 9 of pantograph 7 and underarm 10, the surface through upper arm 9 and underarm 10 is into the latter end of walking line and ultraviolet spy
First 11 connection, the other end enter intra-locomotive and are connect with photoelectric sensor and driving circuit 4；Temp probe 8 is embedded in pantograph 7
Upper arm 9 in；Second Transmission Fibers 3 are embedded in 9 inside of upper arm of pantograph 7 and 10 inside of underarm, by pantograph 7
Inside into walking line, one end of place Transmission Fibers 3 is connect with temp probe 8, and the other end enters intra-locomotive and photoelectric transfer
Sensor 5 connects.
Photoelectric sensor 5, photoelectric sensor and photoelectric sensor and driving circuit 4 in driving circuit 4 in the present invention
Also signal processing system 6 is the prior art, can realize above-mentioned function, therefore be not especially limited.
Although the present invention has shown and described with reference to specific embodiment, it should be appreciated by those skilled in the art that：
In the case where not departing from the spirit and scope of the present invention limited by claim and its equivalent, can carry out herein form and
Various change in details.
Claims (10)
1. a kind of bow net arcing monitors system, including monitoring system, it is characterised in that：The monitoring system includes being set on pantograph
(7) detecting module (1) on is used for through what Transmission Fibers were connect with detecting module (1) by detecting module (1) in locomotive
The signal processing apparatus (6) that optical signal is converted to the photoelectric conversion device of electric signal and is connect with photoelectric conversion device, it is described
Signal processing apparatus (6) positions the judgement of bow net arcing intensity and temperature according to the electric signal that photoelectric conversion device is sent
With record and obtain pantograph temperature information.
2. the bow net arcing according to claim requirement 1 monitors system, it is characterised in that：Detecting module (1) is including being set on
Ultraviolet probe (11) and temp probe (8) in pantograph, the ultraviolet probe (11) and temp probe (8) pass through Transmission Fibers
It is connect with photoelectric conversion device.
3. bow net arcing according to claim 2 monitors system, it is characterised in that：The photoelectric conversion device is included through passing
It loses the fine photoelectric sensor being connect with ultraviolet probe (11) and driving circuit (4) and connects through Transmission Fibers and temp probe (8)
The photoelectric sensor (5) connect, the photoelectric sensor and driving circuit (4) and photoelectric sensor (5) respectively with signal processing system
System (6) connection.
4. bow net arcing according to claim 3 monitors system, it is characterised in that：The Transmission Fibers include the first transmission
Optical fiber (2), the second Transmission Fibers (3), the ultraviolet probe (11) is through the first Transmission Fibers (2) and photoelectric sensor and driving electricity
Road (4) connects, and temp probe (8) is connect through the second Transmission Fibers (3) with photoelectric sensor (5).
5. bow net arcing according to claim 4 monitors system, it is characterised in that：It is described it is ultraviolet probe (11) be attached to by
On the outer surface of the upper arm (9) of pantograph (7).
6. bow net arcing according to claim 5 monitors system, it is characterised in that：First Transmission Fibers (2) attachment
On the upper arm (9) of pantograph (7) and underarm (10).
7. bow net arcing according to claim 4 monitors system, it is characterised in that：The temp probe (8) is set on by electricity
In the upper arm (9) for bending (7).
8. bow net arcing according to claim 7 monitors system, device is characterized in that：Second Transmission Fibers (3) are set on
In upper arm (9) inside of pantograph (7) and underarm (10) inside.
9. bow net arcing monitors system according to Claims 2 or 3, it is characterised in that：The ultraviolet probe (11) is including light
Learn camera lens (12), ultraviolet filtering (13) piece being separately positioned on optical lens (12) surface and fluorescence coating (14).
10. the bow net arcing monitoring system according to Claims 2 or 3, it is characterised in that：The temp probe (8) is glimmering
Light temperature sensor, Fiber-optic Temperature Sensors Based on Semiconductor Optical Abs orption or fiber-optical grating temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161628.5A CN108226717A (en) | 2016-12-15 | 2016-12-15 | A kind of bow net arcing monitors system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161628.5A CN108226717A (en) | 2016-12-15 | 2016-12-15 | A kind of bow net arcing monitors system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108226717A true CN108226717A (en) | 2018-06-29 |
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ID=62651456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611161628.5A Pending CN108226717A (en) | 2016-12-15 | 2016-12-15 | A kind of bow net arcing monitors system |
Country Status (1)
| Country | Link |
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| CN (1) | CN108226717A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108860210A (en) * | 2017-05-10 | 2018-11-23 | 中国科学院深圳先进技术研究院 | Bow net arcing Systems for optical inspection |
| CN112834879A (en) * | 2021-01-05 | 2021-05-25 | 株洲中车时代电气股份有限公司 | Detection device and detection method for bow net arcing |
| CN114323666A (en) * | 2021-12-31 | 2022-04-12 | 南京航空航天大学 | Ultraviolet light conduction device for detecting heat release rate of combustion chamber of aircraft engine |
| CN114537149A (en) * | 2022-04-22 | 2022-05-27 | 深圳市永达电子信息股份有限公司 | Method for non-contact detection of locomotive pantograph characteristic parameters |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108860210A (en) * | 2017-05-10 | 2018-11-23 | 中国科学院深圳先进技术研究院 | Bow net arcing Systems for optical inspection |
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| CN114323666A (en) * | 2021-12-31 | 2022-04-12 | 南京航空航天大学 | Ultraviolet light conduction device for detecting heat release rate of combustion chamber of aircraft engine |
| CN114537149A (en) * | 2022-04-22 | 2022-05-27 | 深圳市永达电子信息股份有限公司 | Method for non-contact detection of locomotive pantograph characteristic parameters |
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