CN108765915A - Railway monitoring data transceiver and railway monitoring data receiving/transmission method - Google Patents
Railway monitoring data transceiver and railway monitoring data receiving/transmission method Download PDFInfo
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- CN108765915A CN108765915A CN201810850535.6A CN201810850535A CN108765915A CN 108765915 A CN108765915 A CN 108765915A CN 201810850535 A CN201810850535 A CN 201810850535A CN 108765915 A CN108765915 A CN 108765915A
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- monitoring data
- data
- area network
- railway monitoring
- railway
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Small-Scale Networks (AREA)
Abstract
Railway monitoring data transceiver and railway monitoring data receiving/transmission method, are related to railway infrastructure health status monitoring technology.The railway monitoring data transceiver of the present invention includes control unit and local area network wireless communication unit connected to it, wide area network wireless communication unit, data storage cell, timing send judging unit and instruction sends judging unit.The present invention uses the active and passive wireless data collection mode being combined, it is ensured that timely finds calamity forecast information.
Description
Technical field
The present invention relates to railway infrastructure health status monitoring technologies.
Background technology
In recent years, with the development of technology of Internet of things, Along Railway infrastructure health status automatic monitoring is got over
Carry out more concerns.However Along Railway is usually located at field especially mountain railway, monitoring of environmental is relative complex, there is communication
The features such as signal is unsmooth, equipment installation and maintenance is difficult.Therefore a kind of wireless forms of communication is used, monitoring regional environment number is collected
According to wiring, cost-effective reduction equipment installation and maintenance difficulty can not only be reduced, while environment will can also be collected in real time
Data are uploaded to remote server by the form of GPRS mobile networks, and are finally used for customer analysis.
Invention content
The technical problem to be solved by the present invention is to be to provide a kind of railway monitoring data transceiver and data transmit-receive side
Method reduces wireless data transmission packet loss and the bit error rate to greatest extent to solve field device difficult wiring.
The present invention solve the technical problem the technical solution adopted is that, railway monitoring data transceiver, which is characterized in that
Including control unit and local area network wireless communication unit connected to it, wide area network wireless communication unit, data storage cell, determine
When send judging unit and instruction send judging unit.
The railway monitoring data receiving/transmission method of the present invention includes the following steps：
A, judge whether following two conditions are true：
A1) whether current time is the time for meeting preset sending frequency, a2) whether receive the alarm from LAN and refers to
It enables,
If the two is all set up or any establishment of the two, b is entered step, c is entered step if the two is all invalid；
B, signal data is received from LAN, signal data is sent to remote server through wide area network after packing；If sending
It is successful then enter step c, signal data is stored in local storage if failure；
C, judge whether to receive the frequency conversion instruction from wide area network, if then changing preset sending frequency simultaneously according to instruction
Return to step a is put into step d if not；
D, judge whether there is the signal data for sending and being preserved after failure in local storage, if not just into return to step a, if
It is to read and signal data and send again from local storage, then repeatedly step d.
Further, further include step c1：Judge whether to receive the more new command of the program from remote server, if
Then enter more new procedures, if otherwise entering step d.
The advantages of the present invention over the prior art are that：
1, the present invention combines on-site data gathering device field monitoring region Wireless LAN, substitutes wired by bus etc.
Mode carries out data collection, at the same use be 433Mhz frequency attachmentes wireless communication channel, compared to 2.4GHz frequencies
Zigbee module, barrier diffracting power is stronger, is more suitable for field work；
2, after the present invention has collected area data collector data progress fusion treatment, by GPRS module by final data
It is uploaded to remote server.The side that data are uploaded to remote server by an external GPRS module is met compared to each collector
Formula, the present invention not only largely reduce the use of GPRS module, reduce construction cost, simultaneously because a monitoring work point corresponds to
One GPRS module, remote server data management difficulty are greatly reduced.
3, the present invention uses the active and passive wireless data collection mode being combined, it is ensured that timely finds calamity forecast letter
Breath.Under normal circumstances, the present invention collects monitoring region collector data using the method for timing, however ought wherein any one acquisition
When numerical value overload alarm occurs for device, the present invention will timely collect all collector data and be uploaded to remote server.
Description of the drawings
Fig. 1 is the modular structure schematic diagram of the present invention.
Fig. 2 is the workflow schematic diagram of the present invention.
Specific implementation mode
Referring to Fig. 1.Railway monitoring data transceiver include control unit and local area network wireless communication unit connected to it,
Wide area network wireless communication unit, data storage cell, timing sends judging unit and instruction sends judging unit.
Referring to Fig. 2, railway monitoring data receiving/transmission method of the invention includes the following steps：
A, judge whether following two conditions are true：
A1) whether current time is the time for meeting preset sending frequency, a2) whether receive the alarm from LAN and refers to
It enables,
If the two is all set up or any establishment of the two, b is entered step, c is entered step if the two is all invalid；
B, signal data is received from LAN, signal data is sent to remote server through wide area network after packing；If sending
It is successful then enter step c, signal data is stored in local storage if failure；
C, judge whether to receive the frequency conversion instruction from wide area network, if then changing preset sending frequency simultaneously according to instruction
Return to step a is put into step d if not；
D, judge whether there is the signal data for sending and being preserved after failure in local storage, if not just into return to step a, if
It is to read and signal data and send again from local storage, then repeatedly step d.
Further, further include step c1：Judge whether to receive the more new command of the program from remote server, if
Then enter more new procedures, if otherwise entering step d.
From hardware realization, data collector of the invention includes that CPU control modules, memory extend out module, RF modules, connect
Mouth circuit module, Voltage stabilizing module and power module.CPU control modules and memory extend out module, RF modules, interface module,
Voltage stabilizing module is connected.The Voltage stabilizing module is connected with power module.The interface module includes online debugging interface
Module, SD card memory module, RS232 serial port modules.
In the transceiver course of work, need artificial access 10V~18V power supplys to power module first, through regulator circuit
After voltage stabilizing, stabilized power source to other modules such as CPU control modules are provided and are used.When CPU control modules are started to work, acquiescence is fixed
When half an hour collect collected sensor to the collector of star-network from node by RF module polls, by data fusion
Afterwards, data are uploaded to by remote server by GPRS module.Remote server can be by GPRS network to the present invention simultaneously
GPRS module sends frequency conversion and uploads the instructions such as data, and the data received, which are sent to CPU control modules, by GPRS module carries out
Then parsing realizes that changing poll star-network from node data and uploads the remote server time.
The present invention can not only active timed collection star-network slave node data, while radial network can also be received
Any one exceeded warning message of sensor values sent from node in network, and poll is all from section immediately after receiving alarm
It is uploaded to remote server after the collected Data Fusion of Sensor of point, realizes that the acquisition of first time data occurs for disaster.
The main application scenarios of the present invention are to be uploaded through GPRS module under the fields complicated environmental conditions such as Along Railway, massif
Data be vulnerable to GPRS network swinging of signal and cause not uploading.To ensure that the data being collected into are not lost as far as possible, by net
Data can not be uploaded caused by network reason automatically to store to the SD card memory module of debug circuit, and GPRS network is waited for restore just
The data for being stored in SD card are automatically uploaded to remote server by Chang Hou again.
Clock module of the present invention calculates current time in real time, and remote server instruction can be received by GPRS module, real
Existing clock alignment.
Present invention can be implemented in line remotely updating programs.On the server by compiled new procedures bin file, through GPRS
Network is respectively sent to GPRS module, is stored to memory after the parsing of CPU control modules and extends out module, waiting to harvest all subpackages
After bin file, address check is carried out, finally new procedures bin file is copied to inside CPU control modules in Flash.
The present invention uses the collector data based on the adjustable RF module collections star-networks of 433Mhz.In order to more it is enough as far as possible
Wireless data transmission packet loss and the bit error rate are reduced, using following form communications protocol format：
First three byte in agreement indicates order recipient's radio address and channel, is to send for accurately distinguishing order
To the collector specified in star-network from node, while packet error rate is reduced as ending using 2 byte check codes.
In terms of reducing transmission packet loss, the present invention is all made of retransmission scheme three times with collector from the wireless data communication of node.
Claims (3)
1. railway monitoring data transceiver, which is characterized in that including control unit and local area network wireless communication unit connected to it
Member, wide area network wireless communication unit, data storage cell, timing sends judging unit and instruction sends judging unit.
2. railway monitoring data receiving/transmission method, which is characterized in that include the following steps：
A, judge whether following two conditions are true：
A1) whether current time is the time for meeting preset sending frequency, a2) alarm command from LAN whether is received,
If the two is all set up or any establishment of the two, b is entered step, c is entered step if the two is all invalid；
B, signal data is received from LAN, signal data is sent to remote server through wide area network after packing；If sending successfully
C is then entered step, signal data is stored in local storage if failure；
C, judge whether to receive the frequency conversion instruction from wide area network, if then changing preset sending frequency according to instruction and returning
Step a is put into step d if not；
D, judge whether there is the signal data for sending and being preserved after failure in local storage, if not just into return to step a, if then
It reads and signal data and sends again from local storage, then repeatedly step d.
3. railway monitoring data receiving/transmission method as claimed in claim 2, which is characterized in that further include step after step c
c1：Judge whether to receive the more new command of the program from remote server, if then entering more new procedures, if otherwise entering step
Rapid d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850535.6A CN108765915A (en) | 2018-07-28 | 2018-07-28 | Railway monitoring data transceiver and railway monitoring data receiving/transmission method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810850535.6A CN108765915A (en) | 2018-07-28 | 2018-07-28 | Railway monitoring data transceiver and railway monitoring data receiving/transmission method |
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| CN108765915A true CN108765915A (en) | 2018-11-06 |
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| CN201810850535.6A Pending CN108765915A (en) | 2018-07-28 | 2018-07-28 | Railway monitoring data transceiver and railway monitoring data receiving/transmission method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888707A (en) * | 2009-05-11 | 2010-11-17 | 北京融商惠通投资有限公司 | Wireless monitoring and warning system and wireless wide area network communication equipment |
| US20120091288A1 (en) * | 2010-10-18 | 2012-04-19 | Rosetti Valerio | System for monitoring operating functions of railway devices |
| CN102594911A (en) * | 2012-03-15 | 2012-07-18 | 招商局重庆交通科研设计院有限公司 | Wireless-sensor-based Internet of things monitoring system and method for geological disaster |
| CN103427953A (en) * | 2013-08-15 | 2013-12-04 | 中国船舶重工集团公司第七一五研究所 | Beidou communication method for efficient transmission of buoy data |
| CN104599445A (en) * | 2014-11-21 | 2015-05-06 | 重庆地质矿产研究院 | Multifunctional broadcast early warning rainfall monitoring system and monitoring method |
| CN107933617A (en) * | 2017-09-26 | 2018-04-20 | 上海新海信通信息技术有限公司 | A kind of railway track broken rail monitoring method |
| CN208873275U (en) * | 2018-07-28 | 2019-05-17 | 中铁二院工程集团有限责任公司 | Railway monitoring data transceiver |
-
2018
- 2018-07-28 CN CN201810850535.6A patent/CN108765915A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101888707A (en) * | 2009-05-11 | 2010-11-17 | 北京融商惠通投资有限公司 | Wireless monitoring and warning system and wireless wide area network communication equipment |
| US20120091288A1 (en) * | 2010-10-18 | 2012-04-19 | Rosetti Valerio | System for monitoring operating functions of railway devices |
| CN102594911A (en) * | 2012-03-15 | 2012-07-18 | 招商局重庆交通科研设计院有限公司 | Wireless-sensor-based Internet of things monitoring system and method for geological disaster |
| CN103427953A (en) * | 2013-08-15 | 2013-12-04 | 中国船舶重工集团公司第七一五研究所 | Beidou communication method for efficient transmission of buoy data |
| CN104599445A (en) * | 2014-11-21 | 2015-05-06 | 重庆地质矿产研究院 | Multifunctional broadcast early warning rainfall monitoring system and monitoring method |
| CN107933617A (en) * | 2017-09-26 | 2018-04-20 | 上海新海信通信息技术有限公司 | A kind of railway track broken rail monitoring method |
| CN208873275U (en) * | 2018-07-28 | 2019-05-17 | 中铁二院工程集团有限责任公司 | Railway monitoring data transceiver |
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