CN102673610A - Railway disaster-preventing foreign body invasion-limiting monitoring system - Google Patents
Railway disaster-preventing foreign body invasion-limiting monitoring system Download PDFInfo
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- CN102673610A CN102673610A CN201210172059XA CN201210172059A CN102673610A CN 102673610 A CN102673610 A CN 102673610A CN 201210172059X A CN201210172059X A CN 201210172059XA CN 201210172059 A CN201210172059 A CN 201210172059A CN 102673610 A CN102673610 A CN 102673610A
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Abstract
The invention provides a railway disaster-preventing foreign body invasion-limiting monitoring system, comprising a monitoring point grid apparatus, a foreign body invasion-limiting monitoring subunit and a monitoring host unit, wherein the monitoring point grid apparatus is connected with the foreign body invasion-limiting monitoring subunit through a signal transmission channel; the foreign body invasion-limiting monitoring subunit is connected with the monitoring host unit through a data transmission network; and the foreign body invasion-limiting monitoring subunit comprises a grid module connected with the monitoring point grid apparatus through the signal transmission channel, and a monitoring module for acquiring a detection signal in the signal transmission channel. The monitoring module judges the states of the signal transmission channel, the grid module and the monitoring point grid apparatus by acquiring the voltage amplitude and the alternating current frequency of each alternating-current signal between the grid module and the monitoring point grid apparatus, and analyses a foreign body invasion-limiting result; as a result, the influence of self equipment faults on the foreign body invasion-limiting result is eliminated; and the reliability and the usability of the system are improved.
Description
Technical field
The present invention relates to a kind of railway anti-disaster foreign body limit-intruding monitoring system, belong to the railway anti-disaster safety monitoring system.
Background technology
The railway anti-disaster safety monitoring system, protection disaster of forming by wind monitoring subsystem, rainfall monitoring subsystem, snow depth monitoring subsystem, earthquake monitoring subsystem and foreign body intrusion Monitor And Control Subsystem etc. and the integrated system of reporting the condition of a disaster.The railway anti-disaster safety monitoring system is the important component part of high speed railway safety control, in the driving security system of high speed railway, plays an important role.In the practical application, TD person avenges real-time monitoring and warning, the alarm message of security contexts such as weather, earthquake disaster, foreign body intrusion according to wind and rain, commander's safe train operation; The worker is engaged in maintenance department according to the relevant disaster information that the railway anti-disaster safety monitoring system provides, and carries out patrolling and examining, speedily carry out rescue work and maintenance work of Infrastructure.
Foreign body limit-intruding monitoring system is the subsystem of safety monitoring system of taking precautions against natural calamities.Wherein, foreign body intrusion is meant the safe limit of foreign matter (like stone, bulk earth, trees etc.) intrusion road (like railway, bridge, tunnel etc.) or related object.The foreign matter of railway boundary is invaded in the foreign body limit-intruding monitoring system monitoring, and row are controlled, interlock system makes train produce emergency braking thereby trigger, and train is stopped outside the pairing block section of foreign body intrusion accident takes place.
In the prior art,, mainly contain infrared correlative detector, video identification technology and two electrical network and detect three kinds of technological means both at home and abroad to the monitoring of foreign body intrusion.Wherein, two electrical network detection modes become main detection means with its safe and reliable characteristics.When adopting two electrical network detection mode, when foreign body intrusion takes place, foreign matter severs electrical network, and electrical network is opened circuit; After the foreign matter grid line broke off, coupled relay fell automatically, realized the break-make monitoring of foreign matter electrical network.Be to disclose a kind of device that adopts Dynamic Signal to detect railway foreign body intrusion in the one Chinese patent application of CN 101726757A like notification number.This device adopts AC signal, and detects the voltage and the frequency of input and output signal, guarantees that signal can not introduce other signals because of reason such as get lines crossed and cause the electrical network can't normal operation; Its sound signal multifrequency point mode of operation guarantees that the multichannel power network signal that is operated on the same electrical network bracing frame works on the different frequencies; Guarantee that any one Primary Component that drives in the loop goes wrong, and can make the junk relay fall; Adopt the transformer isolation signal, realize dc-isolation outward with plate in the plate, improved the reliability and security of circuit.Exchange dynamic mode foreign matter sensor and will far be better than DC mode foreign matter sensor aspect safety and the reliability, meet railway signal field failure to the safe side principle.Yet this device can't detect and get rid of for the caused signal interruption of fault that is taken place by signal generator or foreign matter electrical network self, is easy to generate the wrong report of foreign body intrusion information, causes the train involuntary stoppage.
Summary of the invention
Technical matters to be solved by this invention provides a kind of improved railway anti-disaster foreign body limit-intruding monitoring system.
For realizing the foregoing invention purpose, the present invention adopts following technical proposals:
A kind of railway anti-disaster foreign body limit-intruding monitoring system; Comprise monitoring point grid equipment, foreign body intrusion monitoring subelement, monitoring host computer unit three parts; Said monitoring point grid equipment is connected with said foreign body intrusion monitoring subelement through signal transmission passage; Said foreign body intrusion monitoring subelement is connected with said monitoring host computer unit through data transmission network, it is characterized in that:
Said foreign body intrusion monitoring subelement comprise with said monitoring point grid equipment through signal transmission passage bonded assembly electrical network module; And the monitoring module that is used for the detection signal of acquired signal transmission path, said monitoring module is connected through data transmission network with said monitoring host computer unit.
Be connected through the dual signal transmission path between the more excellent ground, said monitoring point grid equipment and said electrical network module.
The detection signal that transmits between said monitoring point grid equipment and the said electrical network module is a low frequency signal.
Said monitoring module comprises signal acquisition circuit, and the detection signal and the feedback signal of said electrical network module are gathered.
More excellent ground, said monitoring module is with the mode redundant configuration of two-node cluster hot backup.
Further, send unusually, then generate the signal transmission passage failure message if said monitoring module detects single grid equipment single signal channel signal;
If said monitoring module detects single grid equipment dual signal channel signal and sends unusually, then generate electrical network module failure information.
Further, send normally if said monitoring module detects single grid equipment dual signal channel signal, the single signal channel signal receives unusual, then generates the grid equipment failure message.
Further, send normally if said monitoring module detects single grid equipment dual signal channel signal, the dual signal channel signal receives unusual, then generates single grid equipment foreign body intrusion information.
If said monitoring module generates single grid equipment foreign body intrusion information, then generate the foreign body intrusion early warning information simultaneously;
If said monitoring module generates two grid equipment foreign body intrusion information, then generate foreign body intrusion alarm message and parking information simultaneously.
Railway anti-disaster foreign body limit-intruding monitoring system provided by the invention; Comprise monitoring point grid equipment, foreign body intrusion monitoring subelement, monitoring host computer unit three parts; Wherein comprise monitoring module and electrical network module in the foreign body intrusion monitoring subelement, monitoring module is used for the detection signal of acquired signal transmission path.More excellent ground, this railway anti-disaster foreign body intrusion safety system adopt two grid equipments, two electrical network modules and two monitoring modules.Monitoring module is gathered the voltage magnitude and the a-c cycle of the every road AC signal between electrical network module and the monitoring point grid equipment through signal acquisition circuit; Judge the state of monitoring point grid equipment through comparing 2 kinds of information of detected voltage magnitude and a-c cycle; Report to the police thereby got rid of the foreign body intrusion that causes by the equipment self fault, guaranteed the safety of foreign body intrusion monitoring.In addition, this system is when single grid equipment, single electrical network module or single monitoring module et out of order, and system's ability normal operation provides failure message to the monitoring host computer unit simultaneously, makes things convenient for system maintenance; Have only the double-deck electrical network of working as to break off simultaneously, monitoring module is reported to the police, and just generates parking information, thereby has improved the reliabilty and availability of system.
Description of drawings
Fig. 1 is railway anti-disaster foreign body limit-intruding monitoring system structural representation among the present invention;
Fig. 2 is the acquisition of signal scheme drawing of foreign body intrusion monitoring subelement among Fig. 1;
Fig. 3 is that signal transmission passage detects scheme drawing in the railway anti-disaster foreign body limit-intruding monitoring system.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment summary of the invention of the present invention is specified.
As shown in Figure 1; A kind of railway anti-disaster foreign body limit-intruding monitoring system; Comprise monitoring point grid equipment, foreign body intrusion monitoring subelement, monitoring host computer unit three parts; The monitoring point grid equipment is connected with foreign body intrusion monitoring subelement through signal transmission passage, and foreign body intrusion monitoring subelement is connected with the monitoring host computer unit through data transmission network.
Wherein, monitoring point grid equipment (hereinafter to be referred as grid equipment) adopts two electrical network check implements, and whether be used for presence should have foreign body intrusion.Foreign body intrusion monitoring subelement comprise with grid equipment through signal transmission passage bonded assembly electrical network module, and the monitoring module that is used for acquired signal transmission path detection signal, monitoring module is connected through data transmission network with monitoring host computer.Whether wherein monitoring module comes signal transmission passage, electrical network module and grid equipment normal operation whether through the detection signal in the acquired signal transmission path, and exist foreign body intrusion to monitor (monitor procedure sees below).The monitoring host computer unit receives the data message of monitoring module, and data storage is also handled, and result is transferred to monitor terminal, can observe real time data through software interface at monitor terminal.
In foreign body limit-intruding monitoring system, generally adopt power frequency component or direct current signal to come foreign body intrusion is detected as detection signal.When breaking off, grid line is connected with other direct current signals can cause the false logical phenomenon of foreign matter electrical network, can adopt the interchange Dynamic Signal to detect railway foreign body intrusion for fear of the foreign matter electrical network that uses direct current signal.Power frequency component and high-frequency signal for this reason, can select for use the low frequency signal of different frequency to come foreign body intrusion is detected easily by external interference in the actual detected process.Can send the low-frequency ac detection signal of 2 road different frequencies through two signal transmission passages like the electrical network module; Alternating-current detection signal is got back to the electrical network plate (feedback signal) of electrical network module after via grid equipment, and monitoring module judges whether to exist foreign body intrusion through gathering this 2 road low-frequency ac detection signal and feedback signal.Low frequency signal is meant that frequency is lower than the detection signal of 200Hz here, can select for use the detection signal that is different from 50Hz, 100Hz, 150Hz frequency to use.
Can know in conjunction with Fig. 2 and Fig. 3, in this railway anti-disaster foreign body limit-intruding monitoring system, be connected through the dual signal transmission path between electrical network module and the grid equipment.Simultaneously, normally move in order to guarantee this foreign body limit-intruding monitoring system, monitoring module is with the mode redundant configuration of two-node cluster hot backup.Wherein, be respectively arranged with multichannel (being preferably 8 tunnel) signal acquisition circuit in each monitoring module, get back to 2 road AC signals (feedback signal) of electrical network module after being used for 2 road AC signals that each electrical network module is sent and passing through grid equipment and gather.That is, two monitoring modules are gathered 8 road AC signals between 2 electrical network modules and 2 grid equipments simultaneously.This 8 road AC signal comprises 4 road AC signals and 4 road AC signals between grid equipment 2 and the electrical network module 2 between grid equipment 1 and the electrical network module 1.This 4 road AC signal refers to: the low frequency signal of 2 road different frequencies that the electrical network plate of electrical network module sends, and 2 road low frequency feedback signal (see figure 3)s behind the process grid equipment of the electrical network plate of electrical network module reception.
In one embodiment of the invention; Monitoring module is responsible for the collection of 8 tunnel alternating-current detection signal; And collection result analyzed, judge whether the mode of operation of electrical network module and grid equipment, signal transmission passage be normal, and to whether existing foreign body intrusion to make analysis.8 road signal acquisition circuits in the monitoring module are the electric voltage frequency observation circuit; Voltage magnitude and a-c cycle to every road AC signal are gathered; Through voltage magnitude and the measurement of 2 kinds of information of a-c cycle and the state that grid equipment is judged in comparison to the detection signal in signal input channel and the signal output channels; Prevent to cause misoperation because other AC signals and interface circuit job failure generate foreign body intrusion information.
At this, be that example describes with the collection of 1 pair 8 road AC signal of monitoring module.All just often, then monitoring module 1 determining apparatus is normal, does not have foreign body intrusion, attonity when power system monitor plate 1 collects 8 road AC signals (send 1, send 2, receive 1, receive 2) between two grid equipments and two the electrical network modules.When wherein sending 1 or when sending 2 abnormal signal, corresponding signal output channels fault is described, then monitoring module 1 generates the signal transmission passage failure message; When transmission 1 and the signal that sends 2 are unusual simultaneously, corresponding electrical network module failure, then monitoring module 1 generation electrical network module failure information.When send 1, to send 2 signals normal, and receives 1, receives when in 2 abnormal signals being arranged, then monitoring module 1 generates the grid equipment failure message.When send 1, to send 2 signals normal, and receives 1, receives 2 signals when unusual simultaneously, points out corresponding grid equipment foreign body intrusion, monitoring module 1 generates grid equipment foreign body intrusion information.When monitoring module 1 generates single grid equipment foreign body intrusion information, generate the foreign body intrusion early warning information simultaneously, but do not generate parking information; When monitoring module 1 generates two grid equipment foreign body intrusion information, generate the foreign body intrusion alarm message simultaneously, and directly generate parking information.In addition, when monitoring module 1 generates two grid equipment failure message, generate parking information simultaneously.
In order to prevent on-the-spot the interference and protection foreign body intrusion monitoring subelement, the signal output channels of each electrical network module and signal input channel all adopt voltage transformer to do insulation blocking.Output transformer and input transformer all adopt the two-pack edge mode to realize the isolation between supervisory circuit and the grid equipment circuit.Wherein, the main limit that the AC signal of electrical network module output is received the output transformer coil, the input end of grid equipment is connected to one group of coil-end of output transformer secondary, and another group coil-end of secondary provides interface for the electric voltage frequency observation circuit.Simultaneously; The mouth of grid equipment is connected to the main limit of input transformer, realizes the access of foreign matter electrical network feedback signal, and one group of secondary produces power signal; Feedback signal is inserted the electroplax of electrical network module, and another group secondary provides interface for the electric voltage frequency observation circuit simultaneously.Secondary one end in main limit one end in the input transformer buffer circuit and the output transformer buffer circuit links to each other through the supporting network metal truss of foreign matter electrical network; When foreign matter power grid cables broken string or destruction of insulation, it is unusual in signal input channel, to detect feedback signal.
In sum; Railway anti-disaster foreign body limit-intruding monitoring system provided by the invention; Comprise monitoring point grid equipment, foreign body intrusion monitoring subelement, monitoring host computer unit three parts; The monitoring point grid equipment is connected through signal transmission passage and foreign body intrusion monitoring subelement, and foreign body intrusion monitoring subelement is connected with the monitoring host computer unit through data transmission network, and foreign body intrusion is monitored subelement and comprised with said monitoring point grid equipment and pass through signal transmission passage bonded assembly electrical network module; And the monitoring module that is used for the detection signal of acquired signal transmission path, said monitoring module is connected through data transmission network with said monitoring host computer unit.This railway anti-disaster foreign body intrusion safety system adopts two grid equipments, two electrical network modules and two monitoring modules.Monitoring module is gathered the voltage magnitude and the a-c cycle of the every road AC signal between electrical network module and the grid equipment through 8 road signal acquisition circuits; The state of grid equipment is judged in comparison through voltage magnitude and two kinds of information of a-c cycle, guarantees the safety of foreign body intrusion monitoring.When single grid equipment, single electrical network module or single monitoring module et out of order; This system can normal operation provide failure message simultaneously, makes things convenient for system maintenance, has only the double-deck electrical network of working as to break off simultaneously; Monitoring module is reported to the police; System just generates parking information, thereby has got rid of the influence of equipment self fault to the foreign body intrusion monitored results, has improved the reliabilty and availability of system.
Obviously, the foregoing description only be for clearly demonstrate that the present invention does for example, be not restriction to embodiment of the present invention.To those skilled in the art, any variation of being done on this basis all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. railway anti-disaster foreign body limit-intruding monitoring system; Comprise monitoring point grid equipment, foreign body intrusion monitoring subelement, monitoring host computer unit; Said monitoring point grid equipment is connected with said foreign body intrusion monitoring subelement through signal transmission passage; Said foreign body intrusion monitoring subelement is connected with said monitoring host computer unit through data transmission network, it is characterized in that:
Said foreign body intrusion monitoring subelement comprise with said monitoring point grid equipment through signal transmission passage bonded assembly electrical network module; And the monitoring module that is used for the detection signal of acquired signal transmission path, said monitoring module is connected through data transmission network with said monitoring host computer unit.
2. foreign body limit-intruding monitoring system as claimed in claim 1 is characterized in that:
Be connected through the dual signal transmission path between said monitoring point grid equipment and the said electrical network module.
3. foreign body limit-intruding monitoring system as claimed in claim 2 is characterized in that:
The detection signal that transmits between said monitoring point grid equipment and the said electrical network module is a low frequency signal.
4. foreign body limit-intruding monitoring system as claimed in claim 2 is characterized in that:
Said monitoring module comprises signal acquisition circuit, and the detection signal and the feedback signal of said electrical network module are gathered.
5. foreign body limit-intruding monitoring system as claimed in claim 4 is characterized in that:
Said monitoring module is with the mode redundant configuration of two-node cluster hot backup.
6. foreign body limit-intruding monitoring system as claimed in claim 4 is characterized in that:
Said signal acquisition circuit is gathered the voltage magnitude and the a-c cycle of said detection signal.
7. foreign body limit-intruding monitoring system as claimed in claim 6 is characterized in that:
If said monitoring module detects single grid equipment single signal channel signal and sends unusually, then generate the signal transmission passage failure message;
If said monitoring module detects single grid equipment dual signal channel signal and sends unusually, then generate electrical network module failure information.
8. foreign body limit-intruding monitoring system as claimed in claim 6 is characterized in that:
If said monitoring module detects single grid equipment dual signal channel signal and sends normally, the single signal channel signal receives unusual, then generates the grid equipment failure message.
9. foreign body limit-intruding monitoring system as claimed in claim 6 is characterized in that:
If said monitoring module detects single grid equipment dual signal channel signal and sends normally, the dual signal channel signal receives unusual, then generates single grid equipment foreign body intrusion information.
10. foreign body limit-intruding monitoring system as claimed in claim 9 is characterized in that:
If said monitoring module generates single grid equipment foreign body intrusion information, then generate the foreign body intrusion early warning information simultaneously;
If said monitoring module generates two grid equipment foreign body intrusion information, then generate foreign body intrusion alarm message and parking information simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210172059.XA CN102673610B (en) | 2012-05-29 | 2012-05-29 | Railway disaster-preventing foreign body invasion-limiting monitoring system |
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| CN201210172059.XA CN102673610B (en) | 2012-05-29 | 2012-05-29 | Railway disaster-preventing foreign body invasion-limiting monitoring system |
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| CN102673610A true CN102673610A (en) | 2012-09-19 |
| CN102673610B CN102673610B (en) | 2015-06-24 |
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| CN103144651A (en) * | 2012-12-27 | 2013-06-12 | 北京佳讯飞鸿电气股份有限公司 | Foreign invasion limiting monitoring system orienting to railway disaster prevention |
| CN106019992A (en) * | 2016-05-27 | 2016-10-12 | 中铁二十四局集团上海电务电化有限公司 | System debugging method for high speed rail disaster prevention and foreign object intrusion prevention system |
| CN107697102A (en) * | 2017-09-01 | 2018-02-16 | 南京理工大学 | Information gathering, identification and the caution system of high-speed railway foreign body intrusion |
| CN112347011A (en) * | 2020-11-11 | 2021-02-09 | 歌尔科技有限公司 | Dual-computer communication method, terminal device and storage medium |
| CN113238600A (en) * | 2021-04-02 | 2021-08-10 | 张弦 | Monitoring device of communication method |
| CN114475694A (en) * | 2022-01-21 | 2022-05-13 | 上海应用技术大学 | Railway foreign matter intrusion detection and alarm device based on mesh sensor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103144651A (en) * | 2012-12-27 | 2013-06-12 | 北京佳讯飞鸿电气股份有限公司 | Foreign invasion limiting monitoring system orienting to railway disaster prevention |
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| CN112347011A (en) * | 2020-11-11 | 2021-02-09 | 歌尔科技有限公司 | Dual-computer communication method, terminal device and storage medium |
| CN112347011B (en) * | 2020-11-11 | 2024-04-05 | 歌尔科技有限公司 | Dual-computer communication method, terminal equipment and storage medium |
| CN113238600A (en) * | 2021-04-02 | 2021-08-10 | 张弦 | Monitoring device of communication method |
| CN114475694A (en) * | 2022-01-21 | 2022-05-13 | 上海应用技术大学 | Railway foreign matter intrusion detection and alarm device based on mesh sensor |
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