CN109425299A - A method of track plank split is monitored automatically using raster pattern displacement range measurement principle - Google Patents
A method of track plank split is monitored automatically using raster pattern displacement range measurement principle Download PDFInfo
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- CN109425299A CN109425299A CN201710781796.2A CN201710781796A CN109425299A CN 109425299 A CN109425299 A CN 109425299A CN 201710781796 A CN201710781796 A CN 201710781796A CN 109425299 A CN109425299 A CN 109425299A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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Abstract
The present invention relates to a kind of methods for monitoring track plank split automatically using raster pattern displacement range measurement principle, it is monitored automatically using the monitoring device of grating belt formula displacement sensor, comprising: 1) grating displacement transducer is fixed on track plates side；2) connection circuit board is installed for grating displacement transducer respectively, each circuit board is then connected to vasculum, forms a monitoring data transmission channel；3) startup power supply and network connection, grating displacement transducer start fracture and are monitored；The monitoring signals of last each monitoring point are sent to cloud platform server and are stored and compared, and provide warning alert in due course.The method of the present invention realizes the automatic monitoring purpose of branch monitoring, concentrated collection, precision is up to 0.01mm, automatic measurement is realized to the crack of each measuring point of route simultaneously and data can be uploaded to cloud platform, improves the monitoring efficiency of track plank split, there is huge economic and social benefit.
Description
Technical field
The present invention relates to automatic monitoring fields, refer in particular to one kind and are displaced suitable for high-speed track engineering using raster pattern
The method that range measurement principle monitors track plank split automatically.
Background technique
In terms of the patent belongs to automatic monitoring field, wanting for high-speed rail comfort and a whole set of high standard of security needs is runed
It asks, wherein the crack of track plates and cement substrate is a very crucial parameter, because track plates are to be laid on cement base in the later period
On seat, engaging portion between the two is influenced that crack can be generated by temperature change and other factors, is mainly shown as that track plates are opposite
Pedestal arch, crack value reach 3mm and want early warning, and reaching 6mm will alarm.Monitoring means is mainly personal monitoring at present, using people
Huge-crowd strategy, when the artificial online line inspection of the window phase of high-speed rail route or evening, inspection then using vernier caliper measurement
Manual record.Substantially manually, measure each precision has deviation to this kind of monitoring means, and needs fine record, a large amount of numerous
Trivial measurement is easy that error rate is also extremely slow, thousands of kilometers, the daily a large amount of man power and material of artificial investigation needs.
The method monitored automatically disclosed in the prior art in relation to crack is more, the monitoring device of use and applicable field
It has nothing in common with each other.Such as " a kind of Crack Monitoring device and method " disclosed in publication number 106949840A, it is mainly used for accurately predicting
Engineering structure or Rock And Soil fracture width.Notification number CN103512545B discloses a kind of " concrete dam internal fissure monitoring
Method and monitor " is mainly used for the monitoring of concrete dam internal fissure.Etc..There are no appearance to be directed to track, especially high
The method that the track plates of fast railroad track and the crack of cement substrate monitor automatically.
Summary of the invention
The purpose of the present invention is being improved and being innovated for disadvantage present in background technique and problem, a kind of benefit is provided
The method for monitoring track plank split automatically with raster pattern displacement range measurement principle.
The present invention is the method monitored automatically using the monitoring device of grating belt formula displacement sensor, in which: described
Monitoring device include being mounted on ipsilateral at least two grating displacement transducers of same track plates, connect one to one grating
At least two circuit boards of formula displacement sensor configuration, and the vasculum of each circuit board of connection, wherein raster pattern displacement passes
The surface of the vertical respective carter cement substrate of the measurement end of sensor；The vasculum is by internet communication mode by raster pattern position
The signal of displacement sensor acquisition is sent to cloud platform server.
The specific monitoring method of the present invention the following steps are included:
1, each grating displacement transducer is fixed on to the side of ipsilateral track plates, the installation of each grating displacement transducer first
Distance contacts downwards correspondence with multiple spot monitoring straight line arrangement, the mounting height of each grating displacement transducer with the head of measurement end
Face, measurement end compresses 6-15mm upwards simultaneously, and when track plates relative orbit cement substrate being made to arch up, measurement end can be accurate
Collect the variation of measurement end compressed value.Because the monitoring super 3mm of code requirement crack warpage needs early warning, super 6mm, which needs to alarm, to be stopped
Operation prevents accident, therefore installs the stroke of at least reserved 6mm or more.
2, connection circuit board is installed to mounted each grating displacement transducer respectively again, then connects each circuit board
To vasculum, each grating displacement transducer, circuit board and vasculum is made to form a monitoring data transmission channel.
3, after startup power supply and network connection, each grating displacement transducer starts to track plates and track cement substrate
Crack situation is monitored；The analogue data of the correspondence monitoring point of each grating displacement transducer acquisition, first passes through corresponding electricity
Road plate is converted into digital signal, then digital signal transmission is converged to vasculum by each circuit board, and it is flat to be finally uniformly sent to cloud
Platform server is stored and is compared；When displacement data reaches the good early warning of cloud platform server settings or alarming value, Yun Ping
Platform server provides warning alert immediately.
The grating displacement transducer includes sensor main body and measurement end in one of the embodiments, wherein
The measurement end is stretched out from the bottom surface of sensor main body, and is provided with the survey coaxial with measurement end below face sensor main body
It measures end and protects cylinder, the head of the measurement end contacts downwards with measurement end protection cylinder bottom surface, compresses.
Specifically, described measurement end protection cylinder bottom end is fixed in track cement substrate, top surface and sensor main body
The mounting distance of bottom surface interval 6-10mm.
Specifically, the bottom of the measurement end protection cylinder is provided with the through-hole for preventing protection pipe internal water accumulation.
In one of the embodiments, using wired between the grating displacement transducer, circuit board and vasculum
Transmit vigour part or the connection of wireless transmission vigour part and transmission data.
Specifically, the wire transmission vigour part is CAN bus perhaps 485 buses or channel mode.It is wireless to pass
Transmission purpose can be realized using wireless transmission vigour part mature at present in defeated component.
The circuit board is installed on track cement surface layer by the way that terminal box is arranged in one of the embodiments,.
Further, set the interface there are three direction in the terminal box, two of them interface respectively with it is forward and backward adjacent
Terminal box correspond to wiring, the wiring corresponding with grating displacement transducer of another interface.
In the head end of transmission channel, vasculum is interior to be equipped with convergence for vasculum configuration in one of the embodiments,
Each circuit board data and GPRS communication module, electronic component and the battery component for being uploaded to cloud platform server.
Advantages of the present invention and the utility model has the advantages that
The present invention realizes track plates and track cement base with raster pattern displacement range measurement principle and the monitoring device specially designed
The tubularpH sensor in seat crack.Realize that bus-powered and signal passes using transmission modes such as CAN bus between each monitoring portion
Defeated, acquisition realizes branch monitoring, concentrated collection in conjunction with more mature at present network transmission and data sharing, correlation technique
Automatic monitoring purpose.
The present invention carries out Crack Monitoring using high-precision grating displacement transducer, has electromagnetism interference, size small, again
The advantages that amount is light, temperature tolerance is good, multiplexing capacity is strong, corrosion-resistant, highly sensitive meets the requirement of high-speed rail plate Crack Monitoring, essence
It spends up to 0.01mm, it is ensured that the safety of track operation.Meanwhile automatic measurement and data are realized to the crack of each measuring point of route
It can be uploaded to cloud platform, user can check the crack data variation of track plates and cement substrate by mobile terminal at any time.Platform
To the measuring point for the value that transfinites can be carried out by modes such as short message, acousto-optics it is pre-, alarm, greatly improve track plank split monitoring efficiency,
Real-time, reliability have huge economic and social benefit.
Detailed description of the invention
Fig. 1 is detection method flow chart.
Fig. 2 is monitoring device mounting structure main view of the present invention.
Fig. 3 is Fig. 2 overlooking structure diagram.
Fig. 4 is enlarged drawing at Fig. 2A.
Figure number explanation:
1, vasculum, 2, grating displacement transducer, 2-1, sensor main body, 2-2 measurement end, 3, measurement end protect cylinder, 4, connect
Wire box, 5, track plates, 6, track cement substrate, 7, track cement surface layer.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
It should be noted that when element be considered as " setting " or " connection " on the other element, it can be directly
Setting connects on the other element or may be simultaneously present centering elements.
Unless otherwise defined, the skill of all technical and scientific terms and technical field of the invention used herein
The normally understood meaning of art personnel is identical.Term used in the description is intended merely to describe specifically to implement purpose, is not
It is designed to limit the invention.
Embodiment:
The hardware detection device that the present embodiment uses is as shown in Figure 2,3, including being fixed on ipsilateral two of same track plates 5
Grating displacement transducer 2 and two circuit boards being arranged in terminal box 4 (box internals, figure do not regard).The displacement of its raster pattern passes
Sensor 2 connects one to one with the circuit board in terminal box 4, is divided into the both ends of 5 side of track plates, circuit board and terminal box 4
It is mounted on track cement surface layer 7.Set the interface there are three direction in terminal box 4, two of them interface respectively with forward and backward phase
The corresponding wiring of adjacent terminal box 4, the wiring corresponding with grating displacement transducer 2 of another interface are detailed in Fig. 1.
Detection device further includes the vasculum 1 that railway line one end is arranged in, the circuit board in terminal box 4 on each track plates
It is connected to the vasculum 1.Vasculum 1 configures the head end in transmission channel, is equipped in vasculum 1 and converges each circuit board data simultaneously
It is uploaded to GPRS communication module, electronic component and the battery component of cloud platform server (case internals do not regard for conventional part, figure).
Information data is transmitted using CAN bus between the grating displacement transducer 2 of detection device, circuit board and vasculum 1.
As shown in figure 4, grating displacement transducer 2 includes sensor main body 2-1 and measurement end 2-2, measurement end 2-2 from
The bottom surface of sensor main body 2-1 is stretched out.One is provided in the track cement substrate 6 of face measurement end 2-2 to be used to protect survey
The measurement end for measuring end stability protects cylinder 3, and bottom is provided with the through-hole for preventing protection pipe internal water accumulation (figure does not regard).
Specific monitoring method includes the following steps (see Fig. 1,2):
1, two grating displacement transducers 2 are fixed on to the both ends of ipsilateral track plates 5, the installation of two grating displacement transducers 2
Height be subject to measurement end 2-2 the downward contact measurement end in head protection 3 bottom surface of cylinder, measurement end 2-2 compresses 15mm upwards simultaneously.
Measurement end protects the mounting distance of 3 top surface of cylinder and the bottom surface interval 6mm of sensor main body 2-1.
2, connection circuit board and terminal box 4 are installed respectively to mounted two grating displacement transducer 2.
3, two circuit boards are connected to vasculum 1, two grating displacement transducers 2, circuit board and vasculum 1 is made to form one
A monitoring data transmission channel.
4, startup power supply and network connection, two grating displacement transducers 2 start to track plates 5 and track cement substrate 6
Crack situation be monitored.The analogue data of the correspondence monitoring point of two grating displacement transducers 2 acquisition, first passes through corresponding
Circuit board is converted into digital signal, then digital signal transmission is converged to vasculum 1 by each circuit board, is finally uniformly sent to cloud
Platform Server is stored and is compared.When displacement data reaches the good early warning of cloud platform server settings or alarming value, cloud
Platform Server provides warning alert immediately.
Consider for attached drawing length, the description for the monitoring method that the present embodiment is carried out primarily directed to one piece of track plates, needle
The monitoring of N block track plates is directed to the monitoring of railway line, monitoring device installation and monitoring method are identical.
The realization of monitoring method of the present invention mainly utilizes hardware device, communications portion and system platform three parts, in which:
One, hardware components:
Grating displacement transducer: high-precision can be accurate to 0.01mm.Each sensor is used as independent communication and calibration to match
Ontology is set, can be calibrated and temperature-compensating.Structurally waterproof, can 10 meters of waterproofs.Each sensor has global unique number,
Built-in storage chip, can storage table determine table and electronic labeling information.Sensor built-in temperature chip, and measurement data can be carried out
Temperature-compensating.It is digital signal that sensor, which comes out, and hardware interface has RS485, CAN, channel analogy amount.Acquisition system power supply is more
Sample, can alternating current can be solar powered.
Two, communications portion:
Predominantly CAN bus communication is communicated between grating displacement transducer and collection terminal (while may be implemented RS485, channel
Analog quantity).Acquisition system is communicated with collection terminal using GPRS communication or other radio stations.Collection terminal is upper computer software, is matched
Set the address information of sensor.
Three, system platform:
The crack changing value of each track plates of real-time exhibition, data form can export.Can curve show measuring point data to change, it is optional
Selecting property compares each point.Real time data distribution map can be shown, straightforward each point latest data.Platform alarm diversity, webpage
Sound-light alarm, network and short message alarm.
The working principle and function of each composed structure:
1, grating displacement transducer:
Grating sensor refers to the sensor using the measurement displacement of grating Moire fringe principle.Grating is the light in one piece of strip
Learning intensive equidistant parallel groove, incisure density on glass is 10~100 lines per millimeters.The Moire fringe tool formed by grating
There are optical amplifier effect and error average effect, thus measurement accuracy can be improved.Sensor is by scale grating, indication grating, light
Road system and four part of measuring system composition.When scale grating is mobile relative to indication grating, just formed substantially by sinusoidal rule
The light and dark Moire fringe of distribution.These stripeds are mobile with the speed of related movement of grating, and shine directly into photo elements
On part, the output end at them obtains a string of electric pulses, and it is defeated to generate digital signal by amplification, shaping, sensing and number system
Out, tested displacement is directly displayed.Each displacement sensor has MCU, is powered to resistance variations caused by mechanical displacement
Sampled voltage is flowed, voltage value is linear with displacement, therefore MCU corrects calibration to it, and is subject to temperature-compensating, and hardware is defeated
Outgoing interface is CAN interface.
2, collection of server end
Collection of server end is established the link by mobile Internet and the GPRS module in acquisition system, and the bluetooth at detector end is logical
News module can be communicated with CAN bus, and collection terminal sends the acquisition with address bit, and the high-precision displacement meter of appropriate address returns to it
Displacement；And mathematical model is added to calculate each point warp displacement amount to each point, and send data to server.
3, Platform Server
Platform Server establishes monitoring station according to projects, establishes tree-like archives to project, each track plates data press installation position
It sets and is identified, user need to only be connected to Internet network Website login and check with password the number in its permission by its account
According to.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to the present invention
Conception and scope is defined, and under the premise of not departing from design philosophy of the present invention, engineers and technicians are to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content, is all described in the claims.
Claims (9)
1. a kind of method for monitoring track plank split automatically using raster pattern displacement range measurement principle, it is characterised in that it is using band light
The monitoring device of grating displacement sensor is monitored automatically, in which:
The monitoring device includes being mounted on ipsilateral at least two grating displacement transducers of same track plates, is corresponded
At least two circuit boards of grating displacement transducer configuration, and the vasculum of each circuit board of connection are connected, wherein the grating
The surface of the vertical respective carter cement substrate of the measurement end of formula displacement sensor；The vasculum will by internet communication mode
The signal of grating displacement transducer acquisition is sent to cloud platform server；
Using above-mentioned monitoring device carry out Crack Monitoring method the following steps are included:
1) each grating displacement transducer is fixed on to the side of ipsilateral track plates, the installation of each grating displacement transducer first
Distance contacts downwards correspondence with multiple spot monitoring straight line arrangement, the mounting height of each grating displacement transducer with the head of measurement end
Face, measurement end compresses 6-15mm upwards simultaneously；
2) connection circuit board is installed to mounted each grating displacement transducer respectively again, then each circuit board is connected to and is adopted
Header makes each grating displacement transducer, circuit board and vasculum form a monitoring data transmission channel；
3) for startup power supply with after network connection, each grating displacement transducer starts the crack to track plates and track cement substrate
Situation is monitored；The analogue data of the correspondence monitoring point of each grating displacement transducer acquisition, first passes through corresponding circuit board
It is converted into digital signal, then digital signal transmission is converged into vasculum by each circuit board, is finally uniformly sent to cloud platform clothes
Business device is stored and is compared；When displacement data reaches the good early warning of cloud platform server settings or alarming value, cloud platform clothes
Business device provides warning alert immediately.
2. the method according to claim 1 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the grating displacement transducer includes sensor main body and measurement end, wherein the measurement end is from sensor master
The bottom surface of body is stretched out, and is provided with below face sensor main body and is protected cylinder, the measurement end with the coaxial measurement end of measurement end
Head contact, compress with measurement end protection cylinder bottom surface downwards.
3. the method according to claim 2 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the measurement end protection cylinder bottom end is fixed in track cement substrate, the bottom surface interval 6- of top surface and sensor main body
The mounting distance of 15mm.
4. the method according to claim 2 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the bottom of the measurement end protection cylinder is provided with the through-hole for preventing protection pipe internal water accumulation.
5. the method according to claim 1 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is between the grating displacement transducer, circuit board and vasculum using wire transmission vigour part or wireless transmission
The connection of vigour part and transmission data.
6. the method according to claim 5 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the wire transmission vigour part is CAN bus perhaps 485 buses or channel mode.
7. the method according to claim 1 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the circuit board is installed on track cement surface layer by the way that terminal box is arranged.
8. the method according to claim 7 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is to set the interface there are three direction in the terminal box, two of them interface respectively with forward and backward adjacent terminal box pair
Answer wiring, the wiring corresponding with grating displacement transducer of another interface.
9. the method according to claim 1 for monitoring track plank split automatically using raster pattern displacement range measurement principle, special
Sign is that the vasculum configuration is equipped in the head end of transmission channel, vasculum and converges each circuit board data and be uploaded to cloud
GPRS communication module, electronic component and the battery component of Platform Server.
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| CN201710781796.2A CN109425299A (en) | 2017-09-02 | 2017-09-02 | A method of track plank split is monitored automatically using raster pattern displacement range measurement principle |
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| CN201710781796.2A CN109425299A (en) | 2017-09-02 | 2017-09-02 | A method of track plank split is monitored automatically using raster pattern displacement range measurement principle |
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