CN206231405U - A kind of surface acoustic wave rail break monitoring system - Google Patents
A kind of surface acoustic wave rail break monitoring system Download PDFInfo
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- CN206231405U CN206231405U CN201621190109.7U CN201621190109U CN206231405U CN 206231405 U CN206231405 U CN 206231405U CN 201621190109 U CN201621190109 U CN 201621190109U CN 206231405 U CN206231405 U CN 206231405U
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- rail
- surface acoustic
- acoustic wave
- signal
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The utility model discloses a kind of surface acoustic wave rail break monitoring system, including rail break detection means, signal centralised arrangement, server and SMS platform, the rail break detection means includes surface acoustic wave signal transmitting and receiving unit, the surface acoustic wave signal transmitting and receiving unit is disposed on rail in pairs, surface acoustic wave signal transmitting and receiving unit described in every a pair monitors one section of rail, the rail block information of collection is sent to the signal centralised arrangement by the surface acoustic wave signal transmitting and receiving unit, the rail block information that the signal centralised arrangement will be collected gives the server by wireless network transmissions, rail block information is stored and shown by the server, send rail break signal to SMS platform simultaneously, the rail break information that the SMS platform will be received sends to mobile communication terminal immediately.Surface acoustic wave rail break monitoring system sensitivity of the present utility model is high, monitoring accuracy is high, safety and reliability, and simple installation, and monitoring length is longer, more cost-effective.
Description
Technical field
The utility model belongs to railway monitoring technical field, more particularly to a kind of surface acoustic wave rail break monitoring system.
Background technology
At present, the implementation method of rail break monitoring is in the majority with electrical signal detection, and its technology is increasingly mature and perfect, is promoting
Application aspect is than wide.But limitation is there is also, such as the Nanning Kunming Railway Baise section in Nanning office pipe is closed for electrification is semi-automatic
Plug is interval, with a varied topography, have inconvenient traffic, and hence without interval orbit circuit, the inspection to rail rail break is works department one
Heavy, complicated and important work.
Found after Nanning Kunming Railway Baise section is examined on the spot and analyzed, this section of circuit is not suitable for installing with electrical signal detection
It is the rail break monitoring system of principle.Reason is：Nanning Kunming Railway is open circuit, and traction current line is impaired serious, railway power supply portion
Door takes the Measures of technical of multiple spot multiple grounding to ensure the smooth of traction current, and many location earth point spacing are at 30 meters
Within, the measure has reached the purpose for ensureing traction current.But too many multiple grounding point is to electric signal as Cleaning Principle
Rail break monitoring system forms the obstacle for being difficult to go beyond, and construction workload and cost are difficult to bear.So that with beyond electric signal
Embodied in other rail break monitoring.
Because surface acoustic wave has preferable transmission characteristic and selecting frequency characteristic, national defence, geology, peace are had been widely used for
Entirely, the field such as network, multimedia.
The purpose of this utility model is to provide a kind of monitoring of the rail break based on surface acoustic wave for solving above-mentioned technical problem
System, it is theoretical because surface acoustic wave signal is more sensitive to the rail break monitoring system of the monitoring rate electric signal principle of rail cracks
On see that as long as sensitivity is enough, it can be determined that smaller crackle.Due to using mechanical wave transmission, to rail and railway roadbed
Reactance parameter requirement is relatively low, does not differentiate between electric railway and non-electrified railway, with strong applicability.It is left and right rail in differentiation
Which one steel rail has a some superiority when being broken, the congenital integrality for being exactly to monitor single track of this programme, for same monitoring length,
Its monitoring device quantity is 2 times of electric principle monitoring device.
The rail break monitoring system sensitivity of surface acoustic wave of the present utility model is high, monitoring accuracy is high, safety and reliability, and
Simple installation, strong applicability, monitoring length is longer, more cost-effective.
Utility model content
The purpose of this utility model is to provide that a kind of sensitivity is high, monitoring accuracy is high, safety and reliability, and installs letter
Just, longer, the more cost-effective surface acoustic wave rail break monitoring system of monitoring length.
The technical solution of the utility model is a kind of surface acoustic wave rail break monitoring system, and it includes rail break detection means, letter
Number centralised arrangement, server and SMS platform, the rail break detection means include surface acoustic wave signal transmitting and receiving unit, the sound
Surface wave signal Transmit-Receive Unit is disposed on rail in pairs, and surface acoustic wave signal transmitting and receiving unit described in every a pair monitors one section
The rail block information of collection is sent to the signal centralised arrangement by rail, the surface acoustic wave signal transmitting and receiving unit, described
The rail block information that signal centralised arrangement will be collected gives the server by wireless network transmissions, and the server is by steel
Rail block information is stored and shown, while sending rail break warning message to SMS platform, the SMS platform is disconnected by what is received
Rail warning message sends to mobile communication terminal immediately.
Further, the surface acoustic wave signal transmitting and receiving unit includes CPU, modulation circuit, demodulator circuit and probe, institute
State modulation circuit signal is activated on the probe, the probe is coupled a signal on rail, the demodulator circuit will be received
To signal decode to CPU, the waveform of the A/D sampling channel measuring probes of the CPU simultaneously analyzes the signal for receiving.
In sum, the beneficial effects of the utility model are：Surface acoustic wave rail break monitoring system pair of the present utility model
The monitoring rate electric signal rail break monitoring system of rail cracks is more sensitive, can interpolate that less crackle, safe and reliable high precision,
Reactance parameter requirement simultaneously to rail and railway roadbed is relatively low, does not differentiate between electric railway and non-electrified railway, applicability
It is stronger.For same monitoring length, its monitoring device quantity is 2 times of electric principle monitoring device.
The utility model is described in more detail below by embodiment.
Brief description of the drawings
Fig. 1 is the structural representation of surface acoustic wave rail break monitoring system of the present utility model；
Fig. 2 is the schematic block diagram of surface acoustic wave signal transmitting and receiving unit of the present utility model；
Fig. 3 is transmittance process of the surface acoustic wave signal of surface acoustic wave signal transmitting and receiving unit of the present utility model in rail
Schematic diagram.
Specific embodiment
The utility model is further described in the way of embodiment combination accompanying drawing below.
As shown in Figure 1 to Figure 2, it illustrates a kind of new surface acoustic wave rail break monitoring system, mainly examined including rail break
Device, signal centralised arrangement 2, server 3 and SMS platform 4 are surveyed, wherein rail break detection means is received including surface acoustic wave signal
Bill unit 1, as shown in figure 1, surface acoustic wave signal transmitting and receiving unit 1 is disposed on rail 6 in pairs, with a small monitoring section
Between as a example by.The surface acoustic wave signal transmitting and receiving unit 1 at two ends, one end sends surface acoustic wave signal 7 to the other end.When rail 6 is in
During normal condition, reliable communications stabilization.During generation rail break, signal will weaken.So can identify whether rail break.While sound
Each intercell information for gathering can be sent to signal centralised arrangement 2, signal centralised arrangement 2 by surface wave signal Transmit-Receive Unit 1
Whether the whole big interval all data of collection, there is rail break by the multilevel iudge with rail break model.
Signal centralised arrangement 4 is to collect the signal of each surface acoustic wave signal transmitting and receiving unit 1, by wireless communication technology such as
Data are passed to server 3, i.e. signal centralised arrangement 2 and pass through nothing with server 3 by data radio station, GPRS, TCP/IP or GSM-R etc.
Gauze road (such as GPRS) technology realizes that real time bidirectional communicates.Major interval data are preserved and shown by server 3, if while
Generation rail break, then edit rail break warning message and be sent to short message 4, and then rail break warning message is sent to correlation by SMS platform 4
The mobile communication terminal 5 (being sent on the mobile phone of responsible person concerned) of person liable.
Fig. 2 show the schematic diagram of surface acoustic wave signal transmitting and receiving unit, and surface acoustic wave signal transmitting and receiving unit includes CPU, adjusts
Be activated to signal on probe by circuit processed, demodulator circuit and probe, modulation circuit, and the probe couples a signal to rail
On, the signal that demodulator circuit will be received when as signal receiver is decoded to CPU, and the A/D sampling channels measurement of the CPU is visited
The waveform and the signal that receives of analysis of head, if it find that signal has decay, can immediately draw rail break warning message and by information
Sent out by signal centralised arrangement 2.
Fig. 3 has only drawn the transmission path of transmission of the surface acoustic wave signal in rail, and actual conditions are surface acoustic waves
Be unlikely to be one but a branch of, be sent on rail after can in the rail head of rail, the web of the rail, each position of the flange of rail can
Detect surface acoustic wave signal.Once there is rail to disconnect or crackle, the signal of receiving terminal can change, used as judging rail break
Foundation.
The rail break monitoring system of surface acoustic wave techniques of the present utility model has following its advantage：
It is A, more sensitive to the rail break monitoring system of the monitoring rate electric signal principle of rail cracks, it can be determined that smaller
Crackle.
B, due to using mechanical wave transmission, it is relatively low to the requirement of the reactance parameter of rail and railway roadbed, do not differentiate between electricity
Gasification railway and non-electrified railway, it is with strong applicability.
C, it is that left and right rail which one steel rail has some superiority when being broken in differentiation, for same monitoring length, its monitoring
Device quantity is 2 times of electric principle monitoring device.
Surface acoustic wave rail break monitoring system of the present utility model is not limited to the structure of above-described embodiment, can carry out various changes
Type.In a word, both fallen within the range of the utility model in all improvement not departed from the utility model scope.
Claims (2)
1. a kind of surface acoustic wave rail break monitoring system, it is characterised in that including rail break detection means, signal centralised arrangement, service
Device and SMS platform, the rail break detection means include surface acoustic wave signal transmitting and receiving unit, the surface acoustic wave signal transmitting and receiving
Unit is disposed on rail in pairs, and surface acoustic wave signal transmitting and receiving unit described in every a pair monitors one section of rail, the sound table
The rail block information of collection is sent to the signal centralised arrangement by face ripple signal transmitting and receiving unit, and the signal centralised arrangement will
The rail block information for collecting stores rail block information to the server, the server by wireless network transmissions
And display, while sending rail break warning message to SMS platform, the rail break warning message that the SMS platform will be received is immediately
Send to mobile communication terminal.
2. surface acoustic wave rail break monitoring system according to claim 1, it is characterised in that the surface acoustic wave signal transmitting and receiving
Unit includes CPU, modulation circuit, demodulator circuit and probe, and be activated to signal on the probe by the modulation circuit, described
Probe is coupled a signal on rail, and the signal that the demodulator circuit will be received is decoded to CPU, the A/D sampling channels of the CPU
The waveform of measuring probe simultaneously analyzes the signal for receiving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190109.7U CN206231405U (en) | 2016-10-31 | 2016-10-31 | A kind of surface acoustic wave rail break monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621190109.7U CN206231405U (en) | 2016-10-31 | 2016-10-31 | A kind of surface acoustic wave rail break monitoring system |
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| CN206231405U true CN206231405U (en) | 2017-06-09 |
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| CN201621190109.7U Active CN206231405U (en) | 2016-10-31 | 2016-10-31 | A kind of surface acoustic wave rail break monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856239A (en) * | 2019-03-26 | 2019-06-07 | 上海同玺电子科技有限公司 | A kind of break monitoring device of switch zones rail assemblies |
| CN110745160A (en) * | 2019-10-28 | 2020-02-04 | 武汉理工大学 | Real-time detection and alarm system and method for fracture damage of switch blade of railway switch |
-
2016
- 2016-10-31 CN CN201621190109.7U patent/CN206231405U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856239A (en) * | 2019-03-26 | 2019-06-07 | 上海同玺电子科技有限公司 | A kind of break monitoring device of switch zones rail assemblies |
| CN110745160A (en) * | 2019-10-28 | 2020-02-04 | 武汉理工大学 | Real-time detection and alarm system and method for fracture damage of switch blade of railway switch |
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