CN1645430A - Track temperature displacement detecting system - Google Patents
Track temperature displacement detecting system Download PDFInfo
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- CN1645430A CN1645430A CN 200510023556 CN200510023556A CN1645430A CN 1645430 A CN1645430 A CN 1645430A CN 200510023556 CN200510023556 CN 200510023556 CN 200510023556 A CN200510023556 A CN 200510023556A CN 1645430 A CN1645430 A CN 1645430A
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Abstract
A detection system of temperature and displacement for track comprises two pairs of temperature and displacement transducers set on track, microprocessor connected separately to them, radio data transmission unit connected to microprocessor through data transmission line and integrated server set in computer for sending request of asking for data, for receiving, storing, inquiring and displaying data as well as connecting to radio transmission system through Internet and communication protocol.
Description
Technical field
The present invention relates to a kind of temperature displacement detecting system, particularly a kind of track temperature displacement detecting system.
Background technology
Track traffic (as subway, light rail, train etc.) is had plenty of on overhead and bridge and lays iron (steel) rail, and train orbits.Iron (steel) rail all is to be formed by connecting by the long rail of a lot of roots at present.Because the length of single long rail is long, the length that has even reached 4000M.Because expanding with heat and contract with cold of iron (steel) rail, the temperature difference in one day summer is just bigger, and this just may exist overhead and potential safety hazard bridge.So can carry out the measurement of temperature movement in time to track be important.
In the technology, be that the workman directly measures with the scene of thermometer and displacement measurement instrument arrival measured point formerly.When artificial scene was measured, survey crew will could arrive the measured point through very long distance.Along with the development of track traffic, the speed of train operation improves, the shortening of every time Train Interval.Under the situation that train operation density improves, manual detection almost can't be finished the work of such danger.And can not feed back the data of measurement in real time.
Summary of the invention
The objective of the invention is in order to overcome formerly in the technology, defective with manual detection rail temperature and change in displacement, a kind of track temperature displacement detecting system is provided, can measure automatically, automatically reading of data, storing data automatically, automatically data query, send data and video data automatically.
The present invention to achieve the above object, the technical measures of being taked are: it is comprised: can fix two temperature sensors in orbit, two displacement transducers, the microprocessor that links to each other with two displacement transducers with two temperature sensors respectively, by the wireless data transferring system that data line links to each other with microprocessor, ask for request of data with the being used for transmission that is based upon in the computing machine that communications protocol links to each other with wireless data transferring system by the Internet (Internet), receive data, the storage data, the comprehensive server of data query and video data.
Described microprocessor is the data that are used for collecting temperature sensor and temperature that displacement transducer detects and displacement, the single card microcomputer of storage data, deal with data and transmission data.
Described wireless data transferring system is to utilize GPRS (GPRS) network platform, foundation have serial data interface, a RS232 interface, or RS422 interface, or RS485 interface, or Ethernet interface.Realize the data message transparent transmission.On network structure, realize the data transfer unit (DTU) of virtual data private.
Described by the Internet (Internet) and communications protocol and wireless data transferring system link be based upon in the computing machine be used to send ask for request of data, receive data, the comprehensive server of storage data, data query and video data comprises: data server, the database that links with data server contains the server site of browsing part with data server and database link respectively.
The Data Receiving server one that is comprised in the comprehensive server is to be used for sending the request of asking for data by the Internet (Internet) and wireless data transferring system; The 2nd, be used for receiving the packet that comprises temperature, displacement, time and position, measured point that sends from microprocessor by wireless data transferring system and the Internet.
The data server in the described comprehensive server and the communications protocol of wireless data transferring system are the communications protocol that comprises the customer data bag of temperature, displacement, time and position, measured point.
As above-mentioned structure, timing microprocessor receives the temperature on the track and the signal of displacement from two pairs of temperature sensors and displacement transducer, analog signal conversion is become data-signal (A/D), and store the packet that this comprises temperature, displacement, time and position, measured point.Receive when microprocessor and to send when asking for the request of packet, by data line and wireless data transferring system, utilize GPRS (the GPRS-General packet Radio Service) net of wireless data delivery system to connect with the Internet-Internet's, its packet is sent on the comprehensive server; After data server in the comprehensive server receives packet, after confirming, its packet is stored in the database.Server (Web) website data query from database can be browsed its packet on browser; Data server in the comprehensive server regularly sends the request of asking for packet by Internet net and wireless data transferring system to microprocessor, also can answer the request of server (Web) website, send the request of asking for packet that sends to microprocessor at any time.Microprocessor receive send ask for the request of packet after, send packet immediately.
Track temperature displacement detecting system remarkable benefit of the present invention.
In the detection system of the present invention, a pair of temperature sensor that comprises and a pair of displacement transducer are separately fixed on the measured point of two iron (steel) rail, and connected microprocessor can receive the data of temperature and displacement in real time from temperature sensor and displacement transducer.Comprehensive server can obtain the packet that comprises temperature, displacement, time and position, measured point on the measured point at any time.Client-be server site can browse to the temperature on the track measured point and the variation of displacement at any time.Reach automatic measurement fully, asked for data automatically, the automatic reception data, storing data automatically sends the purpose of data and video data automatically.The whole detection system manipulates,, safety, reliable more convenient than the artificial in-site measurement of technology formerly, and the data of return measurement in real time.
Description of drawings
Fig. 1 is the structural representation of track temperature displacement detecting system of the present invention.
Fig. 2 is the process flow diagram of microprocessor 3 among Fig. 1.
Fig. 3 is to process flow diagram that the measured point is detected on the track.
Fig. 4 is the process flow diagram that all measured points of setting up on the track are detected.
Fig. 5 is the process flow diagram that comprehensive server receives data.
Fig. 6 is the process flow diagram of browsing data on the server site on the comprehensive server.
Embodiment
Further specify the structure of track temperature displacement detecting system of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1.It comprises track temperature displacement detecting system of the present invention: first and second temperature sensor 1,5.First and second displacement transducer 2,4.The microprocessor 3 that links to each other with first and second displacement transducer 2,4 with first and second temperature sensor 1,5 respectively.The data line 6 that one end links to each other with microprocessor 3, the wireless data transferring system 7 that links to each other with data line 6 other ends, the comprehensive server 9 that links to each other with wireless data transferring system 7 by Internet net 8.
Described first and second temperature sensor the 1, the 5th, the sensor of resistance-type structure, or the sensor of inductance type structure, or the sensor of integrated structure.
Described first and second displacement transducer the 2, the 4th, the sensor of straight-line displacement formula structure, or the sensor of winding displacement formula structure.
As shown in fig. 1, when using detection system of the present invention, first temperature and first displacement transducer 1,2 are placed an iron (steel) rail GD1; Second temperature and second displacement transducer 4,5 are placed on another iron (steel) rail GD2.
Described microprocessor 3 is the data that are used to receive 1,5 and two displacement transducer 2,4 temperature that detected of two temperature sensors and displacement, storage data, the single card microcomputer of deal with data and transmission data.As shown in Figure 2.The flow process of single card microcomputer is: after beginning to start, start timing mechanism, promptly every interval certain hour is gathered a secondary data.For example, be decided to be every interval 5 minutes in the present embodiment and gather a secondary data, a secondary data is read from temperature and displacement transducer in promptly every interval 5 minutes.Carry out deal with data after the reading of data, deal with data comprises at first analog signal conversion is become data-signal, carry out the correction of systematic error again, get 14 bit data at last and again it is become scale-of-two, deposit database in after comprising the position packing of temperature, displacement, time and measured point.Send when asking for the request of packet when receiving, again packet is sent to down in the comprehensive server.
Single card microcomputer adopts the formula of replying to send data in the present embodiment, promptly receive the request that sends data after, just send data immediately.Concrete structure is CD4051 simulation signal to be housed switch chip in single card microcomputer, carries out the switching of temperature and displacement signal; The TLC7135C chip that links to each other with the CD4051 chip output, it is 4 half double integration A/D converter chips, and the temperature of reception and the simulation conversion of signals of displacement are become data-signal; The ATMEL51 series monolithic chip that links to each other with the TLC7135 chip output, it carries out the calculating that systematic error is proofreaied and correct to data, gets 14 bit data, uses scale-of-two, the storage data, reception sends data after sending and asking for request signal.
Described wireless data transferring system 7 is to utilize GPRS (GPRS) network platform, that sets up has serial data interface, a RS232 interface, or RS422 interface, or RS485 interface, or Ethernet interface, realize the data message transparent transmission, on network structure, realize the data cell (DTU) of empty likelihood data private.
In the present embodiment, H7118 GPRS DTU system (being provided by the grand power technology in China Shenzhen city development corporation, Ltd.) is provided wireless data transferring system.Have the RS485 interface.The digital transmission line 6 that matches also is the transmission line that adopts RS485.
Described comprehensive server 9 is to be based upon in the computing machine, is used for transmission and asks for request of data, receives data, stores data, data query and video data (being browsing data).It comprises: data server 901, the database 902 that links to each other with data server 901 comprises the server site (Web website) 903 of browsing part 904 with data server 901 links to each other with database 902 respectively.
Described data server 901 is connected with DTU with user data package (UDP) communications protocol by the Internet net.Data server 901 is customer data bag (UDP) communications protocol with the communications protocol that DTU is adopted, and that is to say that with data server 901 be the service end of communication, and DTU is the client of communication.Its flow process as shown in Figure 3, Figure 4.
Fig. 3 be in the comprehensive server 9 on 901 pairs of tracks of data server measured point send the flow process of asking for the request of upstream data bag.Data server 901 is provided with regularly Initiated Mechanism, that is to say every interval certain hour, sends the request signal of once asking for data.For example in the present embodiment, be made as and sent the request signal of once asking for packet every 5 minutes.Certainly, data server 901 also can send the request signal of asking for packet at any time according to the request of server site 903.Flow process as Fig. 3, data server 901 every interval certain hours trigger to send the request of asking for packet and make its transmission ask for the request of upstream data bag, send request after, receive the upstream data bag of sending? if receive the upstream data bag, promptly send downlink data packet; If do not receive the upstream data bag, wait for again.After receiving downlink data packet, finish the detection once of this measured point.
Described packet comprises the data of temperature, displacement, time and position, measured point.The packet of sending from UDP that the upstream data bag is meant that data server 901 receives.Downlink data packet is meant that data server 901 sends and deposit the data of database bag.
Fig. 4 is that all measured points send the flow process of asking for the request of upstream data bag on 901 pairs of tracks of data server.Start-up system time at first, promptly start timing to the microprocessor on all measured points on the track, trigger the timed sending data, circulate successively then among above-mentioned Fig. 3 to the testing process of a measured point, reception is arranged on the detected upstream data bag of microprocessor on each measured point, and the position of the measured point in the decision data bag and time.
Fig. 5 is the flow process that data server 901 receives packet.Beginning, at first DTU receives data by user data package (UDP-User Datagran Protocol) communications protocol trigger data server 901, after data server 901 receives the upstream data bag, will verify it is the upstream data bag that ask for? if, promptly, write in the database 902 by checking; Behind the data query of the server that database 902 is received (Web) website 903, send the descending packet of asking for.
Fig. 6 is the flow process of browsing data part 904 in the server site 903.Browsing data of the present invention partly adopts general browser/server (B/S-Brower/Server) structure.It is the Data Receiving program of the internet information service () in Microsoft's structuralized query database (SQLServer 2000) on Microsoft's Window 2000 server systems (Win 2000 Server) that system constitutes.Promptly adopt Win 2000Server+IIS+SQL Server; Developing instrument is the ASP+VML combination.In the present embodiment, the browser requirement of client: internet 6.0, otherwise pattern can not correctly show.
As shown in Figure 6.In the present embodiment, the application of server site 903 (client) the submission page-be the request of data query bag, from database 902, read needed packet, but packet is carried out vector SGML (VML-Vector Markup language) to be handled, the curve that promptly draws comprises: date-iron (steel) rail temperature-telescopic displacement amount.And the signal caution that indicates the requirement that is above standard is provided with.
Claims (8)
1. track temperature displacement detecting system, it comprises temperature sensor and the displacement transducer that places on the track, it is characterized in that comprising two temperature sensors fixing in orbit, two displacements pass device, the microprocessor that links to each other with two displacement transducers with two temperature sensors respectively, by the wireless data transferring system that data line links to each other with microprocessor, ask for request of data with the being used for transmission that is based upon in the computing machine that communications protocol links to each other with wireless data transferring system by the Internet (Internet), receive data, the storage data, the comprehensive server of data query and video data.
2. track temperature displacement detecting system according to claim 1 is characterized in that said microprocessor is the data that are used for collecting temperature sensor and temperature that displacement transducer detects and displacement, the single card microcomputer of storage data, deal with data and transmission data.
3. track temperature displacement detecting system according to claim 1, it is characterized in that said wireless data transferring system is to utilize GPRS (GPRS) network platform, that sets up has a serial data interface, or RS232 interface, or RS422 interface, or the RS485 interface, or the realization data message transparent transmission of Ethernet interface, the data transfer unit of realization virtual data private on network structure.
4. track temperature displacement detecting system according to claim 1, it is characterized in that said by the Internet (Internet) and communications protocol and wireless data transferring system link be based upon in the computing machine be used to send ask for request of data, receive data, the comprehensive server of storage data, data query and video data comprises: data server, the database that links with data server contains the server site of browsing part with data server and database link respectively.
5. track temperature displacement detecting system according to claim 4, it is characterized in that the data server that comprised in the said comprehensive server, the one, be used for sending the request of asking for the packet that comprises temperature, displacement, time and position, measured point to microprocessor by the Internet (Internet) and wireless data transferring system; The 2nd, be used for receiving the packet that sends from microprocessor by wireless data transferring system and the Internet.
6. track temperature displacement detecting system according to claim 1 is characterized in that the data server in the said comprehensive server and the communications protocol of wireless data transferring system are the user data package communications protocol that comprises temperature, displacement, time and position, measured point.
7. track temperature displacement detecting system according to claim 1 is characterized in that said temperature sensor is the sensor of resistance-type structure, or the sensor of inductance type structure, or the sensor of integrated structure.
8. track temperature displacement detecting system according to claim 1 is characterized in that said displacement transducer is the sensor of straight-line displacement formula structure, or the sensor of winding displacement formula structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023556 CN1645430A (en) | 2005-01-25 | 2005-01-25 | Track temperature displacement detecting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510023556 CN1645430A (en) | 2005-01-25 | 2005-01-25 | Track temperature displacement detecting system |
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| CN1645430A true CN1645430A (en) | 2005-07-27 |
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| CN 200510023556 Pending CN1645430A (en) | 2005-01-25 | 2005-01-25 | Track temperature displacement detecting system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100573612C (en) * | 2008-03-15 | 2009-12-23 | 中国科学院合肥物质科学研究院 | The sensor node that is used for railway frozen earth roadbed safety monitoring |
| CN101269664B (en) * | 2007-03-21 | 2011-11-02 | 张运刚 | Detecting instrument for temperature and displacement of steel rail |
| CN102352586A (en) * | 2011-08-14 | 2012-02-15 | 北京科技大学 | Internet of things track measuring system and internet of things electronic track gauge |
| CN101738210B (en) * | 2008-11-14 | 2012-06-20 | 沈阳中科博微自动化技术有限公司 | Device and method for measuring resistance bridge sensor simultaneously supporting voltage excitation and current excitation |
| CN105067147A (en) * | 2015-07-14 | 2015-11-18 | 深圳科安达电子科技股份有限公司 | Track temperature monitoring system |
| CN105667539A (en) * | 2015-12-11 | 2016-06-15 | 中国铁道科学研究院铁道建筑研究所 | Rail state detection method and device |
| CN105667540A (en) * | 2015-12-11 | 2016-06-15 | 中国铁道科学研究院铁道建筑研究所 | Rail state detection system |
| CN107014528A (en) * | 2017-05-03 | 2017-08-04 | 上海工程技术大学 | A kind of wheel rail force on-line monitoring system, monitoring method and static demarcating method |
-
2005
- 2005-01-25 CN CN 200510023556 patent/CN1645430A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101269664B (en) * | 2007-03-21 | 2011-11-02 | 张运刚 | Detecting instrument for temperature and displacement of steel rail |
| CN100573612C (en) * | 2008-03-15 | 2009-12-23 | 中国科学院合肥物质科学研究院 | The sensor node that is used for railway frozen earth roadbed safety monitoring |
| CN101738210B (en) * | 2008-11-14 | 2012-06-20 | 沈阳中科博微自动化技术有限公司 | Device and method for measuring resistance bridge sensor simultaneously supporting voltage excitation and current excitation |
| CN102352586A (en) * | 2011-08-14 | 2012-02-15 | 北京科技大学 | Internet of things track measuring system and internet of things electronic track gauge |
| CN105067147A (en) * | 2015-07-14 | 2015-11-18 | 深圳科安达电子科技股份有限公司 | Track temperature monitoring system |
| CN105667539A (en) * | 2015-12-11 | 2016-06-15 | 中国铁道科学研究院铁道建筑研究所 | Rail state detection method and device |
| CN105667540A (en) * | 2015-12-11 | 2016-06-15 | 中国铁道科学研究院铁道建筑研究所 | Rail state detection system |
| CN105667539B (en) * | 2015-12-11 | 2018-12-04 | 中国铁道科学研究院铁道建筑研究所 | Track condition detection method and device |
| CN105667540B (en) * | 2015-12-11 | 2019-01-25 | 中国铁道科学研究院铁道建筑研究所 | Track condition detection system |
| CN107014528A (en) * | 2017-05-03 | 2017-08-04 | 上海工程技术大学 | A kind of wheel rail force on-line monitoring system, monitoring method and static demarcating method |
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