CN203377882U - Diagnostic device used for rail vehicle fiber network and rail vehicle employing diagnostic device - Google Patents

Diagnostic device used for rail vehicle fiber network and rail vehicle employing diagnostic device Download PDF

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Publication number
CN203377882U
CN203377882U CN201320382935.1U CN201320382935U CN203377882U CN 203377882 U CN203377882 U CN 203377882U CN 201320382935 U CN201320382935 U CN 201320382935U CN 203377882 U CN203377882 U CN 203377882U
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China
Prior art keywords
rail vehicle
diagnostic device
optical fiber
module
terminal control
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Withdrawn - After Issue
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CN201320382935.1U
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Chinese (zh)
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肖石
王延翠
焦京海
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CRRC Qingdao Sifang Co Ltd
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CSR Qingdao Sifang Locomotive and Rolling Stock Co Ltd
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Abstract

The utility model provides a diagnostic device used for a rail vehicle fiber network and a rail vehicle employing the diagnostic device. The fiber network is composed of a central control device, terminal control devices and optical fibers. The diagnostic device includes optical signal detecting instruments. The optical signal detecting instruments includes OTDR (Optical Time Domain Reflectometer) modules and combining and filtering devices. Two fiber input terminals of each of the combining and filtering devices, that are communicated with each other internally, are connected with the two optical fibers respectively. The two optical fibers are connected to the central control device and the terminal control device respectively or are connected to the two terminal control devices respectively. The OTDR modules are connected with a test port of the combining and filtering device connected with the two fiber input terminals. According to the utility model, the OTDR modules are connected to the prior train optical fiber network through the combining and filtering device for detecting the optical fibers. Status information of the optical fibers can be collected and failure information of the rail vehicle optical fiber network can be obtained in real time. Therefore, convenience is made for technicians to maintain the optical fiber network and the maintenance cost is reduced.

Description

Rail vehicle fiber optic network diagnostic device and with the rail vehicle of this device
Technical field
The utility model relates to a kind of diagnostic device, particularly a kind of rail vehicle fiber optic network diagnostic device and with the rail vehicle of this device.
Background technology
Because fiber optic network has, anti-electromagnetic interference capability is strong, the effectiveness high, has adopted the train control network based on optical fiber on many rail vehicles.But optical fiber is as a kind of secret device, extraneous physical impacts, less bending radius, optical connector by dirt etc., all may affect the quality of fiber-optic signal transmission.To the monitoring reliability of fiber optic network path, be not put into the train operating safety monitoring range always.Domesticly also fail to form a set of effective train fiber optic network monitoring method and equipment always, bring very large difficulty to train operation circuit malfunction elimination and after-sales service.
Due to the hidden cabling of optical fiber, and only appearance when operation of partial fault, this has brought very large difficulty to the light path malfunction elimination.Current treatment measures are that the fibre circuit gone wrong is all changed, and this operation takes time and effort, and can increase the cost of repair and maintenance, but fail to find the root of problem.
For the specific (special) requirements of rail vehicle, be necessary that controlling network for rail vehicle optical fiber carries out the optical fibre channel monitoring, the operating state of Real-Time Monitoring fiber-optic signal.
The utility model content
The utility model main purpose is to address the above problem and is not enough, provide a kind of simple in structure, easy to operate, can Real-Time Monitoring fiber optic network operating state, and the rail vehicle fiber optic network diagnostic device in real time record position of failure point, fault generation and extinction time, train geographical position of living in.
Another main purpose of the present utility model is to provide a kind of rail vehicle of applying said apparatus.
For achieving the above object, the technical solution of the utility model is:
A kind of rail vehicle fiber optic network diagnostic device, described fiber optic network is comprised of central control unit, terminal control mechanism and optical fiber, described diagnostic device comprises the optical signal detecting instrument, described optical signal detecting instrument comprises the OTDR module, for sending detection signal, receive reflected signal, process reflected signal; Close wave filter, for described detection signal is accessed to described optical fiber, described reflected signal is separated to described OTDR module, the optic fibre input end that described two inside of closing wave filter communicate connects respectively two described optical fiber, article two, described optical fiber connects respectively described central control unit with terminal control mechanism or is connected respectively two described terminal control mechanisms, and described OTDR module connects the described test port that wave filter communicates with two described optic fibre input ends that closes.
Further, the GPS module of rail vehicle position and speed when the optical signal detecting instrument also comprises for definite fault generation, described GPS module is connected with described OTDR module.
Further, the optical signal detecting instrument also comprises that described gsm module is connected with described OTDR module for outwards sending the gsm module of testing result.
Another technical scheme of the present utility model is:
A kind of rail vehicle of applying above-mentioned rail vehicle fiber optic network diagnostic device, the car and the middle compartment that respectively saves that comprise two ends, be provided with central control unit on described car, in saving described compartment, each is provided with terminal control mechanism, optical fiber by two opposite directions is connected between described central control unit and described terminal control mechanism and between described two terminal control mechanisms, form the fiber optic network in loop wire loop, every described optical fiber all arranges at least one for the described rail vehicle fiber optic network diagnostic device of its detection.
Content to sum up, a kind of rail vehicle fiber optic network diagnostic device described in the utility model and with the rail vehicle of this device, by closing wave filter, the OTDR module is accessed in existing train fiber optic network, optical fiber is detected, state information that can Real-time Collection optical fiber.By the OTDR module, position, time of failure, the concluding time of fiber failure point are detected, and outwards sent by gsm module.Detect position and the velocity information of train when breaking down by the GPS module.Can obtain the fault message of rail vehicle fiber optic network by the utility model, the maintenance of support technician to fiber optic network, reduced the cost of overhaul.
The accompanying drawing explanation
Fig. 1 is that the utility model is applied in the structural representation on rail vehicle;
Fig. 2 is the structural representation of the utility model in two joint compartment application;
Fig. 3 is the structural representation of the utility model in a car and compartment application.
As depicted in figs. 1 and 2, compartment 1, terminal control mechanism 2, optical signal detecting instrument 3, close wave filter 4, OTDR module 5, GPS module 6, gsm module 7, optical fiber 8, a car 9, central control unit 10.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in Figure 1, rail vehicle is as all kinds of motor train unit, comprises a car 9 and the middle compartment 1 that respectively saves at two ends, in the interior central control unit 10 that arranges of a car 9, at each interior terminal control mechanism 2 that arranges in joint compartment 1.Central control unit 10 on car 9 is connected with two terminal control mechanisms 2 in two joint compartments 1 of proximity heads car 9 respectively, and centre is respectively saved between the terminal control mechanism 2 in compartment 1 and interconnected every a compartment 1.Optical fiber 8 by two opposite directions between central control unit 10 and terminal control mechanism 2 is connected, between two terminal control mechanisms 2, the same optical fiber by two opposite directions 8 connects, rail vehicle integral body, mutual optical fiber 8 between two central control unit 10 and a plurality of terminal control mechanism 2 connects, form the loop wire loop of two different directions, formed the fiber optic network in the loop wire loop of two opposite directions.If do not detect while replying at the loop wire of a direction, just to another direction of loop wire, deliver letters, therefore can avoid trouble location.
As shown in Figure 1, every optical fiber 8 all is provided with a diagnostic device to its detection, diagnostic device is optical signal detecting instrument 3, here said every optical fiber 8 refers to the segment optical fiber 8 that connects two terminal control mechanisms 2, and the segment optical fiber 8 that connects central control unit 10 and terminal control mechanism 2, not refer to the loop wire loop that a whole piece is long.If every optical fiber 8 is interpreted as to a unidirectional whole piece loop wire loop, the technical characterictic here is construed as, a diagnostic device detected for this section optical fiber 8 all is set on each section optical fiber 8 in this loop wire loop, below this specification to every optical fiber 8 also by this definition.Optical signal detecting instrument 3 is arranged on central control unit 10 or terminal control mechanism 2 is other, and every optical fiber 8 is detected.Optical signal detecting instrument 3 is for diagnosing whether fault of optical fiber 8, if the position of failure point of the diagnosis optical fiber 8 that breaks down.
As shown in Figures 2 and 3, optical signal detecting instrument 3 two ends are connected with terminal control mechanism 2 with central control unit 10 or are connected with two terminal control mechanisms 2 by optical fiber 8.Optical signal detecting instrument 3 comprises and closes wave filter 4, OTDR(Optical Time Domain Reflectometer, optical time domain reflectometer) module 5, GPS(Global Positioning System, global positioning system) module 6 and GSM(Global System of Mobile communication, global system for mobile communications) module 7.
Closing wave filter 4 is mainly used in OTDR module 5 incoming fiber optics 8, close wave filter 4 and comprise optical splitter, filtration module, compensating module (not shown), two optic fibre input end inside communicates, and test port communicates with two optic fibre input ends, is similar to the triple valve structure.The other end that two optic fibre input ends connect respectively 8, two optical fiber 8 of two optical fiber connects respectively central control unit 10 with terminal control mechanism 2 or is connected two terminal control mechanisms 2.Test port is connected with the OTDR module, the detection signal incoming fiber optic 8 that the OTDR module is sent, and make the reflected signal returned in optical fiber 8 be separated to the OTDR module by closing wave filter 4, by the OTDR module, received.Filtration module carries out filtering for the light in involutory wave filter 4, and compensating module compensates the detection signal of input, makes the luminous intensity of input unattenuated.
OTDR module 5 is mainly used in sending detection signal, receive reflected signal, process reflected signal, OTDR module 5 comprises the (not shown)s such as transmitter module, receiver module, processing module, and processing module has comprised optical time domain reflection process chip, GPS process chip, gsm wireless emission process chip etc.OTDR module 5 with close wave filter 4 and be connected, OTDR module 5 sends order to transmitter module, starting OTDR detects, transmitter module sends detection signal, detection signal enters optical fiber 8 by closing wave filter 4, the reflected signal that optical fiber 8 returns is received by the receiver module of OTDR module 5 by closing wave filter 4, the reflected signal received is transferred to processing module, processing module is processed the reflected signal received, obtain the OTDR data according to detection signal with optical fiber 8 variable in distance, analyze the OTDR data, convert it to the position of failure point in optical fiber 8, thereby determine the position of optical fiber 8 internal fault points, the fault information data such as time of origin and concluding time.
GPS module 6 is arranged in optical signal detecting instrument 3, with OTDR module 5, is connected, and during for record and detection fiber 8 faults generation, the position of train and velocity information.
Gsm module 7 is arranged in optical signal detecting instrument 3, with OTDR module 5, is connected.
The fault information data that the processing module of OTDR module 5 obtains after processing, outwards send to ground by gsm module 7 with the form of note, after the ground staff receives fault information data, store, so that after train Hui Ku, by fault information data, fiber optic network is overhauled, for maintenance provides reference frame.Train position during optical fiber 8 fault that GPS module 6 collects and velocity information, after processing module is processed, outwards send to ground by gsm module 7 with the form of note equally.The diagnostic message outwards sent, for the technical staff provides first-hand data, when train returns the storehouse maintenance, with reference to diagnostic message, can discharge fault fast.
Passengers inside the car can observe the detection case of fiber optic network by the form of external computer, on optical signal detecting instrument 3, access notebook computer, and corresponding program is installed on computers, and the detection diagnosis situation of optical signal detecting instrument 3 can show on computers.
The rail vehicle fiber optic network diagnostic method that above-mentioned rail vehicle fiber optic network diagnostic device is realized has following steps:
Step 1, by between central control unit 10 and terminal control mechanism 2 and the optical fiber 8 between two terminal control mechanisms 2 be divided into two optical fiber 8, article two, in the middle of optical fiber 8, by optical signal detecting instrument 3, connect, concretely, article two, optical fiber 8 two optic fibre input ends that close wave filter 4 of incoming light signal detector 3 respectively, be connected the test port that closes wave filter 4 with OTDR module 5.
Step 2,3 pairs of optical fiber 8 of optical signal detecting instrument are detected, the transmitter module of OTDR module 5 sends detection signal, detection signal enters optical fiber 8 by closing wave filter 4, OTDR module 5 receiver modules receive the reflected signal returned from optical fiber 8, processing module is carried out the data processing to reflected signal, determines the fault information data such as position, time started, concluding time of optical fiber 8 fault points, and optical fiber 8 fault information data are sent with the note form earthward by gsm module 7.
Step 3, when optical fiber 8 faults occur the GPS module 6 of optical signal detecting instrument 3 inside, geographical position and the speed information of rail vehicle are transferred in OTDR module 5, after the processing module processing GPS module 6 of OTDR module 5 passes the information of coming, by gsm module 7, with the note form, send earthward.
By the above-mentioned diagnostic device for the rail vehicle fiber optic network and diagnostic method, can be effectively the fiber optic network of rail vehicle be carried out to Real-Time Monitoring and diagnosis, when optical fiber 8 breaks down, can be by diagnostic result, during as the position of optical fiber 8 fault points, fault time started, concluding time, fault, the fault message such as train speed per hour, position is outwards sending with the note form, perhaps passengers inside the car, by optical signal detecting instrument 3 access computers, carry out the inspections and examinations situation.For the maintenance of fiber optic network in the future provides reference data, the support technician solves the discharge fault, without optical fiber 8 circuit whole pieces are changed, has saved the cost of overhaul.
The present embodiment also discloses a kind of rail vehicle of applying above-mentioned rail vehicle fiber optic network diagnostic device, and this rail vehicle comprises above-mentioned rail vehicle fiber optic network diagnostic device, and applies above-mentioned rail vehicle fiber optic network diagnostic method.
As mentioned above, given scheme content, can derive similar technical scheme by reference to the accompanying drawings.In every case be the content that does not break away from technical solutions of the utility model, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.

Claims (4)

1. a rail vehicle fiber optic network diagnostic device, described fiber optic network is comprised of central control unit, terminal control mechanism and optical fiber, it is characterized in that: described diagnostic device comprises the optical signal detecting instrument, described optical signal detecting instrument comprises the OTDR module, for sending detection signal, receive reflected signal, process reflected signal; Close wave filter, for described detection signal is accessed to described optical fiber, described reflected signal is separated to described OTDR module, the optic fibre input end that described two inside of closing wave filter communicate connects respectively two described optical fiber, article two, described optical fiber connects respectively described central control unit with terminal control mechanism or is connected respectively two described terminal control mechanisms, and described OTDR module connects the described test port that wave filter communicates with two described optic fibre input ends that closes.
2. rail vehicle fiber optic network diagnostic device according to claim 1 is characterized in that: described optical signal detecting instrument also comprises the GPS module of rail vehicle position and speed when determining that fault occurs, and described GPS module is connected with described OTDR module.
3. rail vehicle fiber optic network diagnostic device according to claim 1 is characterized in that: described optical signal detecting instrument also comprises that described gsm module is connected with described OTDR module for outwards sending the gsm module of testing result.
4. the rail vehicle of application rail vehicle fiber optic network as described as a claims 1 to 3 any one diagnostic device, the car and the middle compartment that respectively saves that comprise two ends, it is characterized in that, be provided with central control unit on described car, in saving described compartment, each is provided with terminal control mechanism, optical fiber by two opposite directions is connected between described central control unit and described terminal control mechanism and between described two terminal control mechanisms, form the fiber optic network in loop wire loop, every described optical fiber all arranges at least one for the described rail vehicle fiber optic network diagnostic device of its detection.
CN201320382935.1U 2013-06-26 2013-06-26 Diagnostic device used for rail vehicle fiber network and rail vehicle employing diagnostic device Withdrawn - After Issue CN203377882U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634046A (en) * 2013-06-26 2014-03-12 南车青岛四方机车车辆股份有限公司 Rail vehicle optical fiber network diagnosis device, rail vehicle optical fiber network diagnosis method and rail vehicle using the device
CN105759226A (en) * 2016-01-19 2016-07-13 中车南京浦镇车辆有限公司 Train internal static magnetic field state testing and analyzing method
CN111147133A (en) * 2019-12-24 2020-05-12 武汉理工光科股份有限公司 Real-time monitoring system and method for traffic flow based on phi-OTDR

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103634046A (en) * 2013-06-26 2014-03-12 南车青岛四方机车车辆股份有限公司 Rail vehicle optical fiber network diagnosis device, rail vehicle optical fiber network diagnosis method and rail vehicle using the device
CN103634046B (en) * 2013-06-26 2016-07-06 中车青岛四方机车车辆股份有限公司 The rail vehicle fiber optic network diagnostic equipment and method and with the rail vehicle of this device
CN105759226A (en) * 2016-01-19 2016-07-13 中车南京浦镇车辆有限公司 Train internal static magnetic field state testing and analyzing method
CN105759226B (en) * 2016-01-19 2018-06-26 中车南京浦镇车辆有限公司 Magnetostatic field state verification analysis method inside a kind of train
CN111147133A (en) * 2019-12-24 2020-05-12 武汉理工光科股份有限公司 Real-time monitoring system and method for traffic flow based on phi-OTDR
CN111147133B (en) * 2019-12-24 2021-09-14 武汉理工光科股份有限公司 Real-time monitoring system and method for traffic flow based on phi-OTDR

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee after: CRRC QINGDAO SIFANG CO., LTD.

Address before: Chengyang District of Qingdao city Jihongtan town Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd.

AV01 Patent right actively abandoned

Granted publication date: 20140101

Effective date of abandoning: 20160706

C25 Abandonment of patent right or utility model to avoid double patenting