CN104176091A - Real-time continuous welded rail temperature and temperature stress monitoring system - Google Patents
Real-time continuous welded rail temperature and temperature stress monitoring system Download PDFInfo
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- CN104176091A CN104176091A CN201410429665.4A CN201410429665A CN104176091A CN 104176091 A CN104176091 A CN 104176091A CN 201410429665 A CN201410429665 A CN 201410429665A CN 104176091 A CN104176091 A CN 104176091A
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Abstract
Disclosed is a real-time continuous welded rail temperature and temperature stress monitoring system. The system comprises a platinum thermocouple temperature sensor, a measuring node NIWSN-3212, an acquisition module NI9795, an NI9075 terminal and a real-time continuous welded rail temperature and temperature stress monitoring and processing system, the platinum thermocouple temperature sensor is adhered to a rail web of a rail, the lead end of the platinum thermocouple temperature sensor is connected to two of input channels of the measuring node, the acquisition module is inserted into an NI9075 case and used for receiving temperature signals sent by the measuring node, and the acquisition module is connected with a PC (personal computer), installed with the real-time continuous welded rail temperature and temperature stress monitoring and processing system, through an RJ-45 Ethernet port. The real-time continuous welded rail temperature and temperature stress monitoring system can monitor the temperature of the continuous welded rail in real time, compute the temperature stress of the continuous welded rail, display the temperature and the temperature stress in real time, give sound and light alarm and store data.
Description
Technical field
The invention belongs to railway construction technical field, relate in particular to a kind of welded rail temperature and temperature stress real-time monitoring system.
Background technology
Continuously welded rail track is the important symbol of track structure technological advance, the optimal selection of Ye Shi world today high speed, heavy haul railway track structure.Yet when rail temperature changes, in seamless long rails bar, can produce the unfavorable phenomenon of huge axial temperature stress.Visible continuously welded rail track longitudinal stress has had a strong impact on traffic safety, is therefore necessary seamless track steel rail longitudinal stress to carry out Real-Time Monitoring.According to the data that monitor, can take measures targetedly, control rail longitudinal stress, to preventing expansion rail track, brittle fractures of rail and instructing permanent way maintenance operation to guarantee that traffic safety is significant.
For many years, the multiple method for detection of continuously welded rail track longitudinal stress and device have been developed in countries in the world, yet along with the raising of the speed of train, skylight maintenance time shortens, and the outer operation of point is cancelled just gradually.Traditional method takies the orbital maintenance time, and can not realize the continuous gauging to data.
Object of the present invention is just to provide a kind of novel seamless circuit rail temperature and temperature stress real-time monitoring system, this system can real-time monitor each welded rail temperature and temperature stress constantly, and can supply inquiry in the future in user interface demonstration in real time and storage data.
Summary of the invention
Object of the present invention is just to provide a kind of welded rail temperature and temperature stress that can real-time monitor each moment, and can supply welded rail temperature and the temperature stress real-time monitoring system of inquiry in the future in user interface demonstration in real time and storage data.
Welded rail temperature of the present invention and temperature stress real-time monitoring system, comprise platinum thermocouple temperature sensor, measured node NI WSN-3212, acquisition module NI 9795, NI 9075 CompactRIO (RT) terminal, welded rail temperature and temperature stress real time processing system of observation, platinum thermocouple temperature sensor sticks on steel rail web place, platinum thermocouple temperature sensor wires end is connected to wherein two input channels of NI WSN-3212, acquisition module NI 9795 inserts in NI 9075 CompactRIO cabinets, the temperature signal sending for receiving NI WSN-3212, NI 9075 CompactRIO by RJ-45 Ethernet interface with welded rail temperature be installed be connected with the PC of temperature stress real time processing system of observation.
The Main Function of platinum thermocouple temperature sensor is to gather rail temperature signal; Measured node NI WSN-3212 is a wireless device that 24,4 tunnel thermocouple input channel and 4 road bi-directional digital passages are provided, and this equipment can collect the temperature of rail; Acquisition module NI 9795 is a wireless measurement and control module, can realize the temperature signal of wireless receiving NI WSN-3212 transmission; NI 9075 CompactRIO (RT) terminal is comprised of controller and cabinet two parts, and the FPGA in cabinet is directly connected with each I/O module, can also realize flexibly the functions such as timing, isopachics by high speed access I/O circuit; Welded rail temperature and temperature stress real-time monitoring system can be realized mutual between system and people, and complete the data acquisition of rail temperature and calculate Railroad's Temperature Stress, data show in real time and storage, sound and light of alarm.
Welded rail temperature of the present invention and temperature stress real-time monitoring system, advantage applies exists, and system can real-time monitor the temperature of seamless track steel rail and calculate welded rail temperature stress and can show in real time and carry out sound, light warning and storage data.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is arranged in connection of the present invention.
The specific embodiment
A kind of welded rail temperature and temperature stress real-time monitoring system, comprise platinum thermocouple temperature sensor, measured node NI WSN-3212, acquisition module NI 9795, NI 9075 CompactRIO (RT) terminal, welded rail temperature and temperature stress real time processing system of observation, platinum thermocouple temperature sensor sticks on steel rail web place, paste position is respectively left strand steel rail web and right burst of steel rail web place, and the temperature that two positions gather is respectively left strand of rail temperature and right strand of rail temperature.Platinum thermocouple temperature sensor wires end is connected to wherein two input channels of NI WSN-3212, acquisition module NI 9795 inserts in NI 9075 CompactRIO cabinets, the temperature signal sending for receiving NI WSN-3212, NI 9075 CompactRIO by RJ-45 Ethernet interface with welded rail temperature be installed be connected with the PC of temperature stress real time processing system of observation.
The operating process of welded rail temperature and temperature stress real-time monitoring system:
After system installs, open " welded rail temperature and temperature stress real-time monitoring system .lvproj " project procedure.Operation RT CompactRIO terminal Main.vi, then opens my computer UI Main.vi.In " controller address " input control, input the IP address of RT terminal, in data storing " base path ", input stores roadbed, sampling period is set, temperature upper limit, lowest temperature, after the long-pending several parameters in the gentle rail section of passage lock orbit determination, click " connection " control, now " connecting? " control indicator lamp brightens, represent PC and the successful connection of RT terminal and start collecting temperature data and realize the various functions of native system, if indicator lamp does not brighten and the output error code information of " state of the system " hurdle, represent that PC and RT hold not successful connection, need system be checked and be dealt with problems.
In the time will stopping data collection, click " exiting " control, can stop collecting temperature data.
Claims (2)
1. a welded rail temperature and temperature stress real-time monitoring system, comprise platinum thermocouple temperature sensor, measured node NI WSN-3212, acquisition module NI 9795, NI 9075 CompactRIO (RT) terminal, welded rail temperature and temperature stress real time processing system of observation, it is characterized in that: platinum thermocouple temperature sensor sticks on steel rail web place, platinum thermocouple temperature sensor wires end is connected to wherein two input channels of NI WSN-3212, acquisition module NI 9795 inserts in NI 9075 CompactRIO cabinets, the temperature signal sending for receiving NI WSN-3212, NI 9075 CompactRIO by RJ-45 Ethernet interface with welded rail temperature be installed be connected with the PC of temperature stress real time processing system of observation.
2. welded rail temperature according to claim 1 and temperature stress real-time monitoring system, is characterized in that: platinum thermocouple temperature sensor sticks on respectively left strand of steel rail web of rail and right burst of steel rail web place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429665.4A CN104176091A (en) | 2014-08-28 | 2014-08-28 | Real-time continuous welded rail temperature and temperature stress monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410429665.4A CN104176091A (en) | 2014-08-28 | 2014-08-28 | Real-time continuous welded rail temperature and temperature stress monitoring system |
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| Publication Number | Publication Date |
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| CN104176091A true CN104176091A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410429665.4A Pending CN104176091A (en) | 2014-08-28 | 2014-08-28 | Real-time continuous welded rail temperature and temperature stress monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107287996A (en) * | 2017-08-08 | 2017-10-24 | 大连交通大学 | A kind of seamless railway track absolute position and displacement wireless measurement apparatus and method |
| CN107328496A (en) * | 2017-08-03 | 2017-11-07 | 华东交通大学 | A kind of method based on rail vertical motion Characteristics Detection rail longitudinal force |
| CN107444431A (en) * | 2017-08-15 | 2017-12-08 | 北京华铁瑞通技术有限公司 | A kind of seamless track steel rail condition monitoring system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107328496A (en) * | 2017-08-03 | 2017-11-07 | 华东交通大学 | A kind of method based on rail vertical motion Characteristics Detection rail longitudinal force |
| CN107287996A (en) * | 2017-08-08 | 2017-10-24 | 大连交通大学 | A kind of seamless railway track absolute position and displacement wireless measurement apparatus and method |
| CN107287996B (en) * | 2017-08-08 | 2019-03-05 | 大连交通大学 | A kind of seamless railway track absolute position and displacement wireless measuring device and method |
| CN107444431A (en) * | 2017-08-15 | 2017-12-08 | 北京华铁瑞通技术有限公司 | A kind of seamless track steel rail condition monitoring system |
| CN107444431B (en) * | 2017-08-15 | 2023-05-23 | 南京城铁信息技术有限公司 | Seamless line rail state monitoring system |
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Application publication date: 20141203 |