CN207902448U - Bow net arcing Systems for optical inspection - Google Patents
Bow net arcing Systems for optical inspection Download PDFInfo
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- CN207902448U CN207902448U CN201720515119.1U CN201720515119U CN207902448U CN 207902448 U CN207902448 U CN 207902448U CN 201720515119 U CN201720515119 U CN 201720515119U CN 207902448 U CN207902448 U CN 207902448U
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- driving circuit
- photoelectric sensor
- bow net
- optical
- transmission fibers
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Abstract
The utility model provides a kind of bow net arcing Systems for optical inspection, it include the optical collection device in pantograph, the photoelectric sensor and driving circuit passed through in locomotive, the signal processing system being connect with photoelectric sensor and driving circuit, the optical signalling of collection is transmitted to photoelectric sensor and driving circuit by the optical collection device through Transmission Fibers, photoelectric sensor and driving circuit are sent to signal processing system after converting optical signal into electric signal, signal processing system is analyzed electric signal and is handled realization and the judgement of bow net arcing intensity and temperature is positioned and recorded.Compared with prior art, the utility model is to detect the ultraviolet light of arcing point in bow net arcing come the phenomenon that judging arcing and intensity, simultaneously using infrared light detection arcing temperature as supplementary means, this multi-functional detection device is conducive to the integrated of bow net arcing detection device, the detection efficiency and accuracy rate for effectively increasing bow net arcing failure, reduce the overall cost of detecting system.
Description
Technical field
The utility model is related to a kind of Inspection Technology for Overhead Contact System field, especially a kind of bow net arcing optical detection.
Background technology
Well contact is to ensure the important prerequisite of EMU safe operation and passenger survival safety to pantograph net.Bow net with connect
It touches net and will produce bow net arcing phenomenon when detaching.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, 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 to disclose 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 includes mainly 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.
The detection of bow net arcing phenomenon may be implemented in foregoing invention, but still has problems with：(1) thermal imaging is assisted
Detecting system requires 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, to need higher cost.
(2) ultraviolet imagery is of high cost, is transmitted to ultraviolet light 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 with contact net contact point have several meters it is remote at a distance from, cause detecting system to the insensitive of faint bow net arcing.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides a kind of bow net arcing Systems for optical inspection, to realize
To the ultraviolet light of arcing point in arcing come the phenomenon that judging arcing and intensity, while using infrared light detection arcing temperature as auxiliary
Means, to improve the detection efficiency and accuracy rate of bow net arcing failure, and also it is at low cost.
The utility model provides a kind of bow net arcing Systems for optical inspection, includes the optical collection dress in pantograph
The photoelectric sensor and driving circuit and photoelectric sensor set, being connect with optical collection device through Transmission Fibers in locomotive
And the optical signalling of collection is transmitted to by the signal processing system of driving circuit connection, the optical collection device through Transmission Fibers
Photoelectric sensor and driving circuit, photoelectric sensor and driving circuit are sent to signal processing after converting optical signal into electric signal
System, signal processing system are analyzed electric signal and are handled realization and positioned to the judgement of bow net arcing intensity and temperature
And record.
Further, the optical collection device includes the ultraviolet probe and infrared probe being set in pantograph, the purple
Outer probe and infrared probe are connect by Transmission Fibers with photoelectric sensor and driving circuit respectively, ultraviolet and infrared to obtain
Optical signalling.
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 infrared probe is through the second Transmission Fibers and photoelectric sensor and driving electricity
Road connects.
Further, it is described it is ultraviolet probe include set gradually from front to back uv filter, fluorescent glass and
First coupled lens, first coupled lens are connect with Transmission Fibers.
Further, the infrared probe include for other than filtering infrared light other light and to infrared light carry out coupling
The second coupled lens closed.
Further, the optical collection device is attached on the outer surface of the upper arm of pantograph.
Further, the Transmission Fibers are attached on the upper arm and underarm of pantograph.
The utility model compared with prior art, with detecting the ultraviolet light of arcing point in bow net arcing sentenced by the utility model
The phenomenon that disconnected arcing and intensity, while using infrared light detection arcing temperature as supplementary means, this multi-functional detection device
Be conducive to the integrated of bow net arcing detection device, effectively increase the detection efficiency and accuracy rate of bow net arcing failure, reduces
The overall cost of detecting system.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model optical collection device.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of bow net arcing Systems for optical inspection of the utility model, includes the light in pantograph 7
Collection device 1, the photoelectric sensor being connect with optical collection device 1 through Transmission Fibers 2 in locomotive and driving circuit 3,
Signal processing system 4, wherein：
Optical collection device 1 is used to obtain the optical signal of ultraviolet light and infrared light in bow net arcing；Optical collection fills
The test point for setting 1 is the position of the slide plate contact of contact line and pantograph.
The optical signal of photoelectric sensor and driving circuit 3 for optical collection device 1 is converted to electric signal, noticeable
It is that photoelectric sensor and driving circuit 3 are specifically used for conversion and amplification, filtering to optical signal, photoelectric sensor and driving
Circuit 3 is located in locomotive, and this avoid the interference of the factors such as extraneous strong electromagnetic, strong voltage.
The electric signal that signal processing system 4 is used to be sent according to photoelectric sensor and driving circuit 3 is analyzed and is handled
Realization is positioned and is recorded to the judgement of bow net arcing intensity and temperature.
The optical collection device 1 includes the ultraviolet probe 5 being set in pantograph and infrared probe 6, ultraviolet probe 5 and red
The position that outer probe 6 is contacted towards the slide plate of contact line and pantograph；The ultraviolet probe 5 and infrared probe 6 pass through respectively
Transmission Fibers 2 are connect with photoelectric sensor and driving circuit 3, and to obtain ultraviolet and infra-red optical signals, wherein ultraviolet light is
For detecting the ultraviolet band in bow net arcing, in this, as the undesirable basis for estimation of bow net contact；Infrared light is then to obtain bow
The net arcing infra-red radiation of itself comes the temperature regime of judgment object, auxiliary judgment bow net arcing phenomenon.
Photoelectric sensor and driving circuit 3 include photoelectric sensor and driving circuit, and photoelectric sensor connects with driving circuit
It connects, the photoelectric sensor is then used to be amplified electric signal, filter for converting optical signals to electric signal, driving circuit
And output valve signal processing system 4, the electric signal are current signal or voltage signal, are not specifically limited herein.
In order to improve the accuracy of transmission, as shown in Fig. 2, Transmission Fibers 2, which include the first Transmission Fibers 21, second, transmits light
Fibre 22, the ultraviolet probe 5 are connect through the first Transmission Fibers 21 with photoelectric sensor and driving circuit 3, and infrared probe 6 is through second
Transmission Fibers 22 are connect with photoelectric sensor and driving circuit 3, in the present invention, the first Transmission Fibers 21 and photoelectric sensing
Connected by optical fiber connection-peg between device and driving circuit 3, between the second Transmission Fibers 22 and photoelectric sensor and driving circuit 3
It connects, optical fiber connection-peg is not specifically limited herein using conventional optical fiber connection-peg.
Ordinary optic fibre in the prior art can be used in the first Transmission Fibers 21 in the utility model.
As shown in Fig. 2, a kind of embodiment as the utility model, ultraviolet probe 5 includes setting gradually from front to back
Uv filter 51, fluorescent glass 52 and the first coupled lens 53, first coupled lens 53 and Transmission Fibers 2 connect
It connects；For uv filter 51 to ultraviolet light transmission, it is OD5 to end to other light except the wave band and end depth.Fluorescence
Glass 52 is that surface is coated with the optical glass of fluorescent material, and fluorescent material is a kind of can to convert uv light into the glimmering of visible light
Luminescent material, fluorescent glass 52 improve the detection to small-signal.First coupled lens 53 then use common visible light optical
The visible light inspired can be coupled into Transmission Fibers 2 and be transmitted to photoelectric sensor by eyeglass, first coupled lens 53
And driving circuit 3.
As shown in Fig. 2, a kind of embodiment as the utility model, infrared probe 6 include for filtering infrared light with
Other outer light and the second coupled lens 61 that infrared light is coupled.
The course of work of the utility model is as follows：When arcing phenomenon occurs for bow net, arc light launches a large amount of ultraviolet photons
And infrared emanation.Ultraviolet photon and infrared light reach the optical collection device 1 being attached on bow net, and ultraviolet light is by ultraviolet probe
5 receive, and ultraviolet light transmission is crossed ultraviolet filter 51 and is incident on fluorescent glass 52, and fluorescent glass 52 can by ultraviolet excitation generation
Light-exposed, the visible light of generation is collected by the first coupled lens 53 into the first Transmission Fibers 21, and the first Transmission Fibers 21 will collect
Transmission of visible light to locomotive in；Infrared light is received by infrared probe 6 simultaneously, and infrared light is coupled to the by the second coupled lens 61
In two Transmission Fibers 22.After photoelectric sensor and driving circuit 3 receive visible light and infrared light, photoelectric sensor will be seen that light
Be converted into electric signal with the optical signal of infrared light, electric signal driven circuit is amplified, filter after send to signal processing system
4, the judgement to bow net arcing intensity and temperature is realized by analysis to electric signal and processing and is positioned and is recorded.
As a kind of preferred embodiment of we's invention, as shown in Figure 1, the optical collection device 1 is attached to pantograph 7
On the outer surface of upper arm 8, Transmission Fibers 2 are attached on the upper arm 8 and underarm 9 of pantograph 7, the table through upper arm 8 and underarm 9
Face is connect into one end of the first Transmission Fibers 21 after walking line with ultraviolet probe 5, and the other end enters intra-locomotive and photoelectric sensing
Device and driving circuit 3 connect；One end of second Transmission Fibers 22 is connect with infrared probe 6, and the other end enters intra-locomotive and light
Electric transducer and driving circuit 3 connect.
Although the utility model has shown and described with reference to specific embodiment, those skilled in the art will manage
Solution：In the case where not departing from the spirit and scope of the utility model limited by claim and its equivalent, can herein into
The various change of row in form and details.
Claims (6)
1. a kind of bow net arcing Systems for optical inspection, it is characterised in that：Including the optical collection device being set in pantograph (7)
(1), be set in locomotive the photoelectric sensor that is connect with optical collection device (1) through Transmission Fibers (2) and driving circuit (3) and
Photoelectric sensor and the signal processing system (4) of driving circuit (3) connection, the optical collection device (1) is by the optics of collection
Signal is transmitted to photoelectric sensor and driving circuit (3) through Transmission Fibers (2), and photoelectric sensor and driving circuit (3) believe light
It is sent to signal processing system (4) after number being converted into electric signal, signal processing system (4) analyzes electric signal and handle reality
Now the judgement of bow net arcing intensity and temperature is positioned and recorded；
Wherein, the optical collection device (1) includes the ultraviolet probe (5) being set in pantograph and infrared probe (6), the purple
Outer probe (5) and infrared probe (6) are connect by Transmission Fibers (2) with photoelectric sensor and driving circuit (3) respectively, to obtain
Take ultraviolet and infra-red optical signals；The photoelectric sensor and driving circuit (3) include photoelectric sensor and driving circuit, described
After photoelectric sensor and driving circuit (3) obtain ultraviolet and infra-red optical signals, the photoelectric sensor is by ultraviolet light and infrared
The signal of light is converted into electric signal, the driving circuit amplifies the electric signal, filter after send to signal processing system (4).
2. bow net arcing Systems for optical inspection according to claim 1, it is characterised in that：The Transmission Fibers (2) include
First Transmission Fibers (21), the second Transmission Fibers (22), the ultraviolet probe (5) is through the first Transmission Fibers (21) and photoelectric sensing
Device and driving circuit (3) connection, infrared probe (6) connect through the second Transmission Fibers (22) and photoelectric sensor and driving circuit (3)
It connects.
3. bow net arcing Systems for optical inspection according to claim 1 or 2, it is characterised in that：Ultraviolet probe (5) packet
Include the uv filter (51), fluorescent glass (52) and the first coupled lens (53) set gradually from front to back, described
One coupled lens (53) are connect with Transmission Fibers (2).
4. bow net arcing Systems for optical inspection according to claim 2, it is characterised in that：The infrared probe (6) includes
For other than filtering infrared light other light and the second coupled lens (61) that infrared light is coupled.
5. bow net arcing Systems for optical inspection according to claim 1, it is characterised in that：The optical collection device (1)
It is attached on the outer surface of upper arm (8) of pantograph (7).
6. bow net arcing Systems for optical inspection according to claim 1, it is characterised in that：Transmission Fibers (2) attachment
On the upper arm (8) and underarm (9) of pantograph (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515119.1U CN207902448U (en) | 2017-05-10 | 2017-05-10 | Bow net arcing Systems for optical inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720515119.1U CN207902448U (en) | 2017-05-10 | 2017-05-10 | Bow net arcing Systems for optical inspection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207902448U true CN207902448U (en) | 2018-09-25 |
Family
ID=63569894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720515119.1U Active CN207902448U (en) | 2017-05-10 | 2017-05-10 | Bow net arcing Systems for optical inspection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207902448U (en) |
Cited By (3)
| 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 |
| CN111091565A (en) * | 2020-01-02 | 2020-05-01 | 西南交通大学 | Self-adaptive motion characteristic matching and recognition bow net contact point detection method |
| CN114184912A (en) * | 2021-11-23 | 2022-03-15 | 昆明理工大学 | Arc starting detection method based on optical signal |
-
2017
- 2017-05-10 CN CN201720515119.1U patent/CN207902448U/en active Active
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 |
| CN111091565A (en) * | 2020-01-02 | 2020-05-01 | 西南交通大学 | Self-adaptive motion characteristic matching and recognition bow net contact point detection method |
| CN111091565B (en) * | 2020-01-02 | 2022-02-08 | 西南交通大学 | Self-adaptive motion characteristic matching and recognition bow net contact point detection method |
| CN114184912A (en) * | 2021-11-23 | 2022-03-15 | 昆明理工大学 | Arc starting detection method based on optical signal |
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