CN209553216U - A kind of Fibre Optical Sensor point machine state monitoring apparatus - Google Patents
A kind of Fibre Optical Sensor point machine state monitoring apparatus Download PDFInfo
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- CN209553216U CN209553216U CN201920039074.4U CN201920039074U CN209553216U CN 209553216 U CN209553216 U CN 209553216U CN 201920039074 U CN201920039074 U CN 201920039074U CN 209553216 U CN209553216 U CN 209553216U
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Abstract
The utility model provides a kind of Fibre Optical Sensor point machine state monitoring apparatus, and described device includes: fiber-optic grating sensor, transmission fiber, signal supervisory instrument, data processing terminal and warning device.Utility model has good stability, strong antijamming capability, can comprehensively, systematically realize point machine status monitoring, substantial scientific basis is provided for rail traffic safe operation.
Description
Technical field
The utility model relates to rail traffic safety monitoring field more particularly to a kind of Fibre Optical Sensor point machine states
Monitoring device.
Background technique
In Rail Transit System, point machine is joined the conversion equipment of separation as orbit modification and route, can be by
To many factors such as long-term heavy load, severe working environment influence, these influence will cause point machine damage or
Deformation, so that point machine can not work normally, or even can jeopardize train traffic safety.In order to avoid there is safety accident,
Rail traffic safety monitoring project teacher or staff should in time to the working condition of point machine and its structure healthy shape
Condition makes monitoring and maintenance.
Currently, monitoring point machine working condition mainly uses the technological means of artificial detection, inefficiency, it is difficult to be
The operation of rail traffic health provides the decision-making foundation of science.To realize point machine long-term stable operation and timely safety protective
It supports, innovates point machine state monitoring method, comprehensively, systematically establishing point machine real-time monitoring system for state is mesh
Preceding critical issue urgently to be resolved.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of Fibre Optical Sensor point machine state monitoring apparatus.
A kind of Fibre Optical Sensor point machine state monitoring apparatus, described device include: fiber-optic grating sensor, transmission light
Fibre, signal supervisory instrument, data processing terminal and warning device, wherein
The fiber-optic grating sensor includes following dissimilar sensor: fiber Bragg grating strain sensor, fiber grating
Goat displacement sensor, Fiber Grating Liquid Depth Sensor and fiber grating hydrostatic sensor, all the sensors are deployed in track switch
On goat, the dissimilar sensor is for the different working condition of real-time detection point machine upper-part or position ginseng
It measures, and converts the variation of working condition parameter to the wavelength change of fiber grating；
The transmission fiber connects the fiber-optic grating sensor and the signal supervisory instrument, is used for transmission signal detection
The scanning light source of device transmitting and the wavelength change signal of fiber grating；
The signal supervisory instrument, for emitting scanning light source to fiber-optic grating sensor and demodulating reflected wavelength
Variable signal converts the working condition parameter for the wavelength change signal, and demodulation result is sent to the data
Processing terminal；
The data processing terminal, for analyzing and handling the wavelength change signal demodulation knot of signal supervisory instrument transmission
Fruit, obtains the working condition parameter real-time change data of point machine, and connects warning device, in the work of point machine
When state parameter variation occurs abnormal, the fault alarm function of warning device is triggered；
The warning device, for issuing alarm signal in the goat working condition parameter variation abnormality, and it is remote
Journey sends fault message to staff.
Further, the fiber Bragg grating strain sensor, fiber grating goat displacement sensor, fiber grating liquid level
Realize that networking connects by least one of wavelength-division multiplex or space division multiplexing mode between sensor and fiber grating hydrostatic sensor
It connects.
Further, the fiber Bragg grating strain sensor is laid in the actuating strut pin shaft and/or locking of point machine
In iron pin shaft, for perceiving pin shaft variation loaded.
Further, the fiber grating goat displacement sensor passes through fixed device, sensor protection shell and auxiliary
Device, which is installed on to make a detour, branches off action component in rut machine, and the displacement for detecting action component during goat positioning and antiposition becomes
Change.
Further, the Fiber Grating Liquid Depth Sensor is installed in changing points machine hydraulic equipment, for perceiving
The liquid level variation of trouble Hydraulic Switch Machine device.
Further, the fiber grating hydrostatic sensor is installed in changing points machine hydraulic equipment, for perceiving
The hydraulic size of trouble Hydraulic Switch Machine device.
Further, the transmission fiber uses single mode optical fiber.
Further, the signal supervisory instrument is multi-channel fiber Bragg grating (FBG) demodulator.
The Fibre Optical Sensor point machine state monitoring apparatus of the utility model detects track switch using fiber-optic grating sensor
Component or strain, displacement, liquid level and the hydraulic parameter of position when goat works, the device stability is good, strong antijamming capability,
Can comprehensively, systematically realize point machine working state monitoring, point machine is grasped by data analysis and process
Working condition reconstructs point machine action process, substantial scientific basis is provided for rail traffic safe operation, it is ensured that track
Transit equipment work steady in a long-term.Other features and advantages of the utility model will illustrate in the following description, also,
Partly as will become apparent from the description, or and implementing the utility model understand.The purpose of this utility model and
Other advantages can be achieved and obtained by structure pointed in the specification, claims and drawings.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 shows a kind of knot of Fibre Optical Sensor point machine state monitoring apparatus according to the utility model embodiment
Structure schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment clearly and completely illustrates the technical scheme in the embodiment of the utility model, it is clear that retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 shows a kind of knot of Fibre Optical Sensor point machine state monitoring apparatus according to the utility model embodiment
Structure schematic diagram, as shown, Fibre Optical Sensor point machine state monitoring apparatus described in the utility model embodiment includes: optical fiber
Grating sensor, transmission fiber, signal monitoring device, data processing terminal and warning device.Wherein, the optical fiber grating sensing
Device includes following dissimilar sensor: fiber Bragg grating strain sensor, fiber grating goat displacement sensor, fiber grating
Liquid level sensor and fiber grating hydrostatic sensor, all the sensors are deployed in critical component or the position of point machine, example
Such as: actuating strut pin shaft, locking iron pin shaft, action component or hydraulic device, the dissimilar sensor is for detecting track switch
Goat upper-part or the different working condition parameter of position can convert sensing for the variation of goat working condition parameter
The optic fiber grating wavelength of device changes；The transmission fiber connects the fiber-optic grating sensor and the signal supervisory instrument, uses
It is handled in transmission fiber grating wavelength variable signal to signal supervisory instrument；The signal supervisory instrument is swept for emitting
It retouches light source and demodulates sensor wavelength variable signal, convert the working condition parameter for the wavelength change signal, and will
Demodulation result is sent to the data processing terminal；The data processing terminal, for analyzing and handling signal supervisory instrument hair
The wavelength change signal demodulation result sent, obtains the working condition parameter delta data of point machine, and connects warning device,
When the variation of the working condition parameter of point machine occurs abnormal, the fault alarm function of warning device is triggered.The data
Processing terminal can produce goat working condition state analysis report, and save the historical data of goat working condition；Institute
Warning device is stated, for issuing alarm signal in the goat working condition parameter variation abnormality, and can remotely send event
Hinder information to staff, staff is reminded to check the working condition or Measuring error faulty equipment of point machine.It is preferred that
, the alarm signal is sound and light signal, can effectively attract the attention of staff.
Existing equipment used in above-mentioned point machine, that is, rail line, is orbit modification and route is joined separation
Conversion equipment, Fibre Optical Sensor point machine state monitoring apparatus described in the utility model embodiment is not to point machine
Structure or function is limited.
Fiber-optic grating sensor described in the utility model embodiment includes: M fiber Bragg grating strain sensor, N number of optical fiber
Grating goat displacement sensor, P Fiber Grating Liquid Depth Sensor and Q fiber grating hydrostatic sensor, wherein M >=1, N
≥1,P≥1,Q≥1.M fiber Bragg grating strain sensor, N number of fiber grating goat displacement sensor, P fiber grating liquid
Level sensor and Q fiber grating hydrostatic sensor are using fiber grating sensing element, curing agent and metal material knot
Structure encapsulates, and realizes that networking connects with space division multiplexing by wavelength-division multiplex between all the sensors.Fiber grating strain
Sensor is laid in the components such as actuating strut pin shaft and locking iron pin shaft, directly perception point machine inner part or sensitive spot institute
Variation loaded；Fiber grating goat displacement sensor is pacified using fixed device, sensor protection shell and auxiliary device
Loaded on action component in goat, the motor-driven displacement for making component of turn-out track becomes in the positioning of real-time detection goat and antiposition stroke
Change.Wherein, the auxiliary device can be optical fiber jacket, protection pipe or optical patchcord clamp device etc., be auxiliarily fixed described
The function of displacement sensor；Fiber Grating Liquid Depth Sensor is installed on changing points machine hydraulic equipment, for perceiving changing points
The liquid level of machine hydraulic power changes；Fiber grating hydrostatic sensor is installed on changing points machine hydraulic equipment, for perceiving track switch
The hydraulic size of Hydraulic Switch Machine device；Wherein, hydraulic device provides for the action component progress track switch conversion of point machine
Power is the critical component that point machine carries out track switch conversion.
The fiber-optic grating sensor forms monitoring point, all types of optical fiber in the critical component of point machine or position
Critical component or strain, action displacement, liquid level and hydraulic 4 parameters of position when grating sensor perceives point machine work
Real-time change situation, convert the variation of optic fiber grating wavelength for parameter variation, monitoring point wavelength change signal can pass through
Transmission fiber is sent to signal supervisory instrument in real time.The transmission fiber uses single mode optical fiber, compared with multimode fibre, single-mode optics
Fibre is chiefly used in fibre optical sensor, optical fiber locaI area network and optical fiber telecommunications system, has long transmission distance, transmission quality reliable
The advantages that big with transmission capacity, meets data or signal transmission in the utility model embodiment point machine state monitoring apparatus
It needs.
The signal supervisory instrument periodic cycle emits scanning light source, and scanning light source enters monitoring point by transmission fiber
Sensor fiber grating in, since the working condition parameter of point machine changes, scanned in the fiber grating of monitoring point
Light source center wavelength also changes therewith, monitoring point reflection optic fiber grating wavelength variable signal to signal supervisory instrument.The optical fiber
Grating wavelength variable signal carries point machine working condition parameter delta data, and is examined by transmission fiber entering signal
It surveys in the wavelength detecting and query unit of device, using between fiber optic wavelength variation and the variation of point machine working condition parameter
Mapping relations, wavelength change signal is demodulated, and demodulation result is sent to data processing terminal.Believe in the present embodiment
Number detection device uses multi-channel fiber Bragg grating (FBG) demodulator, and the data acquisition device and optical fiber of multi-channel fiber Bragg grating (FBG) demodulator connect
Enter part integration, structure is simple, easy for installation, can carry out multichannel synchronousing collection transmission, and channel expansion is strong, and optical fiber passes
Sensor capacity is big, and the length scanning inquiry capacity of the instrument is able to satisfy above-mentioned M fiber Bragg grating strain sensor, N number of optical fiber light
The demand of grid goat displacement sensor, P Fiber Grating Liquid Depth Sensor, Q fiber grating hydrostatic sensor, wherein M >=
1, N >=1, P >=1, Q >=1.
It is connected between the data processing terminal and signal supervisory instrument by communication interface, receives simultaneously aggregation process signal
The all the sensors fiber optic wavelength variable signal demodulation result that detection device is sent obtains the monitoring of point machine respective sensor
Strain, displacement, liquid level and the hydraulic 4 parameter delta datas of point, the strain of real-time monitoring point machine component or position are moved
It is displaced, liquid level and hydraulic state, and the course of work of point machine can be reconstructed；When the work parameter of point machine
When Data Representation is abnormal conditions, which can be sent to warning device by data processing terminal, utilize report
Alarm device issues alarm signal, and staff is reminded to check the working condition of point machine or carry out maintenance dimension to faulty equipment
It repairs.Wherein, point machine working condition shows as the pin shaft strain parameter exception that exception includes: point machine, i.e. pin shaft
Dependent variable transfinites, and influences pin shaft normal work；The action component displacement parameter of point machine is abnormal, i.e. the movement of action component
Track different from when track and normal work；Changing points machine hydraulic equipment liquid level or hydraulic parameter are abnormal, i.e., hydraulic dress
Unstable working condition is set, influences point machine and execute orbit modification and route to join separation task.Abnormal conditions are carried out
Alarm, improves the working efficiency of staff, ensure that track circuit works normally.
Component or position are answered when the utility model embodiment is worked using fiber-optic grating sensor detection point machine
Become, displacement, liquid level and hydraulic parameter, state monitoring apparatus stability described in embodiment is good, and strong antijamming capability can be comprehensive
Ground, the strain for systematically realizing point machine component or position, action displacement, liquid level and hydraulic status monitoring, pass through
Data analysis and process grasps point machine working condition, reconstructs point machine action process, is that rail traffic is transported safely
Battalion provides substantial scientific basis, it is ensured that Transit Equipment work steady in a long-term.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art are answered
Work as understanding: it is still possible to modify the technical solutions described in the foregoing embodiments, or special to part of technology
Sign is equivalently replaced；And these are modified or replaceed, each reality of the utility model that it does not separate the essence of the corresponding technical solution
Apply the spirit and scope of a technical solution.
Claims (8)
1. a kind of Fibre Optical Sensor point machine state monitoring apparatus, described device includes: fiber-optic grating sensor, transmission light
Fibre, signal supervisory instrument, data processing terminal and warning device, wherein
The fiber-optic grating sensor includes following dissimilar sensor: fiber Bragg grating strain sensor, fiber grating turn-out track
Seat in the plane displacement sensor, Fiber Grating Liquid Depth Sensor and fiber grating hydrostatic sensor, all the sensors are deployed in changing points
On machine, the dissimilar sensor is used for the different working condition parameter of real-time detection point machine upper-part or position,
And convert the variation of working condition parameter to the wavelength change of fiber grating；
The transmission fiber connects the fiber-optic grating sensor and the signal supervisory instrument, is used for transmission signal supervisory instrument
The scanning light source of transmitting and the wavelength change signal of fiber grating；
The signal supervisory instrument, for emitting scanning light source to fiber-optic grating sensor and demodulating reflected wavelength change
Signal converts the working condition parameter for the wavelength change signal, and demodulation result is sent to the data processing
Terminal；
The data processing terminal is obtained for analyzing and handling the wavelength change signal demodulation result of signal supervisory instrument transmission
The working condition parameter real-time change data of point machine are obtained, and connect warning device, in the working condition of point machine
When parameter variation occurs abnormal, the fault alarm function of warning device is triggered；
The warning device for issuing alarm signal in the goat working condition parameter variation abnormality, and is remotely sent out
Send fault message to staff.
2. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the light
Fiber grating strain transducer, fiber grating goat displacement sensor, Fiber Grating Liquid Depth Sensor and the hydraulic biography of fiber grating
Realize that networking connects by least one of wavelength-division multiplex or space division multiplexing mode between sensor.
3. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the light
Fiber grating strain transducer is laid in the actuating strut pin shaft and/or locking iron pin shaft of point machine, for perceiving pin shaft institute
Variation loaded.
4. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the light
Fine grating goat displacement sensor is installed on to make a detour to branch off by fixed device, sensor protection shell and auxiliary device and be moved in rut machine
Make component, for detecting the change in displacement of goat positioning and action component during antiposition.
5. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the light
Fine raster liquid level sensor is installed in changing points machine hydraulic equipment, and the liquid level for perceiving changing points machine hydraulic equipment becomes
Change.
6. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the light
Fine grating hydrostatic sensor is installed in changing points machine hydraulic equipment, for perceiving the hydraulic big of changing points machine hydraulic equipment
It is small.
7. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the biography
It loses fine using single mode optical fiber.
8. a kind of Fibre Optical Sensor point machine state monitoring apparatus according to claim 1, which is characterized in that the letter
Number detection device is multi-channel fiber Bragg grating (FBG) demodulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920039074.4U CN209553216U (en) | 2019-01-09 | 2019-01-09 | A kind of Fibre Optical Sensor point machine state monitoring apparatus |
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| CN201920039074.4U CN209553216U (en) | 2019-01-09 | 2019-01-09 | A kind of Fibre Optical Sensor point machine state monitoring apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677457A (en) * | 2019-01-09 | 2019-04-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of Fibre Optical Sensor point machine state monitoring apparatus and method |
| CN113251970A (en) * | 2021-04-30 | 2021-08-13 | 西安铁路信号有限责任公司 | On-line detection method for abrasion loss of switch machine locking surface |
-
2019
- 2019-01-09 CN CN201920039074.4U patent/CN209553216U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677457A (en) * | 2019-01-09 | 2019-04-26 | 北京全路通信信号研究设计院集团有限公司 | A kind of Fibre Optical Sensor point machine state monitoring apparatus and method |
| CN113251970A (en) * | 2021-04-30 | 2021-08-13 | 西安铁路信号有限责任公司 | On-line detection method for abrasion loss of switch machine locking surface |
| CN113251970B (en) * | 2021-04-30 | 2023-09-12 | 西安铁路信号有限责任公司 | Online detection method for wear amount of locking surface of switch machine |
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