CN104486580A - Tramcar closed circuit television monitoring system and implementation method thereof - Google Patents
Tramcar closed circuit television monitoring system and implementation method thereof Download PDFInfo
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- CN104486580A CN104486580A CN201410699060.7A CN201410699060A CN104486580A CN 104486580 A CN104486580 A CN 104486580A CN 201410699060 A CN201410699060 A CN 201410699060A CN 104486580 A CN104486580 A CN 104486580A
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Abstract
The invention discloses a tramcar closed circuit television monitoring system and an implementation method thereof. Based on a tramcar travelling automation system platform, the linkage and data sharing of a tramcar closed circuit television and a train monitoring system are realized, by an audio frequency automatic switching technology, the functions of automatic drawing, function transferring, alarming and the like on a control centre CCTV work station are realized. According to train position message sent by an ATS, when the train achieves one station or runs through a grade crossing, the ATS server sends a train arriving or approaching grade crossing message to the CCTV server through a central local network, the CCTV server controls a camera image of the audio frequency display workstation to be automatically converted to a group of predetermined camera information of the current station. The implementation method not only can realize the timeliness of operation response, but also can meet the subsequent requirement of the system, and can realize the linkage function of the closed circuit television and the train monitoring system stability and efficiently, thereby improving the reliability and stability of the system.
Description
Technical field
The present invention relates to tramcar driving automatic technology, specifically relate to a kind of tramcar closed-circuit TV monitoring system and its implementation.
Background technology
Modern tram is based on urban road, mainly lay track on ground, adopt the low-floor tramcar of electric traction, right of way form, pilot steering, the operation of signal priority control mode independently or is completely shared with part, as subway, the supplementing of light rail, the construction theory of the tramcar often also easy marking with subway and LRT Technique.
Video monitoring system safeguards urban tram and ensures the important means of transportation safety, and it can provide about train operation for the dispatcher of control centre, takes precautions against natural calamities, passenger dredges and the public security information of the aspect such as social security.Closed-circuit TV monitoring system is the corollary equipment of tramcar operation, management modernization, corollary equipment, go out inbound and passenger for operation, administrative staff's real time monitoring train operation situation, train to get on or off the bus situation, by research tramcar train monitoring system, realize centered by train operation and management, linkage pattern based on station Site Affairs Discussion and equipment operation, effectively can improve the information-based and intelligent level of tramcar.Traditional tramcar train monitoring system can not timely and effectively for passenger provides various information, and train monitoring system has unsteadiness.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of tramcar closed-circuit TV monitoring system and its implementation reliably, can realize operating corresponding promptness, the requirement of system concurrency can also be met, there is high reliability and stability.
Technical scheme: for achieving the above object, tramcar closed-circuit TV monitoring system provided by the invention, comprise control centre, station CCTV system and communication system, described control centre is by communication system and described station CCTV system connecting communication, described control centre comprises control centre CCTV system and control centre ATS system, described control centre CCTV system and control centre ATS system are by access control center local area network (LAN) and described station CCTV system connecting communication, described station CCTV system comprises station switch and accesses one group of video camera of station switch successively, video equalization equipment, character generator/video distributor, encoding device, video matrix, image splitter and video display, described control centre ATS system comprises ATS server, GPS positioning subsystem and crossing controller, described control centre CCTV system comprises CCTV display workstation and CCTV server, described ATS server, described CCTV display workstation and described CCTV server all access control center local area network (LAN)s.
The implementation method of tramcar closed-circuit TV monitoring system provided by the invention, comprises the following steps:
S1 tramcar equipment powers on, and whether the connection of the self-inspection of finishing equipment and equipment and other external apparatus interface is successful;
After S2 has checked, tramcar equipment is connected by data network and main control system, inquires about current affiliated address, then carries out database verification;
After S3 verification succeeds, in tramcar running, described GPS positioning subsystem starts to carry out initial alignment and obtains train position information;
S4 when train get to the station or level crossing time, train to be got to the station positional information or by described crossing controller, the train collected is arrived road junction positional information and pass to described ATS server by described GPS positioning subsystem;
ATS server described in S5 sends train position information to described station CCTV system by control centre's local area network (LAN);
The video camera shooting picture corresponding with this train position is passed through described video equalization equipment and described character generator/video distributor outputting video signal according to train position information by station CCTV system successively described in S6, this vision signal, by delivering to described station switch after described encoding device process, finally sends to described control centre CCTV server;
Described CCTV display workstation is indicated interface images to be automatically switched to the good video camera information of current station predefined after vision signal after control centre CCTV server described in S7 receives process.
Beneficial effect: tramcar closed-circuit TV monitoring system provided by the invention, by tramcar closed-circuit television and train monitoring system are linked and data sharing, by video automatic switchover technology, achieve and in the controlling heart CCTV display workstation pushes away figure automatically, alarm, the function of funcall, this implementation method not only can realize operating corresponding promptness, the requirement of system concurrency can also be met, can stablize and effectively realize closed-circuit television and train monitoring system linkage function, improve reliability and the stability of the operation of tramcar closed-circuit TV monitoring system.
Accompanying drawing explanation
Fig. 1 is tramcar closed-circuit TV monitoring system structure chart;
Fig. 2 is the flow chart of the implementation method of tramcar closed-circuit TV monitoring system.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, a kind of tramcar closed-circuit TV monitoring system of the present invention, comprise control centre, station CCTV system and communication system, described control centre is by communication system and described station CCTV system connecting communication, described control centre comprises control centre CCTV system and control centre ATS system, described control centre CCTV system and control centre ATS system are by access control center local area network (LAN) and described station CCTV system connecting communication, described station CCTV system comprises station switch and accesses one group of video camera of station switch successively, video equalization equipment, character generator/video distributor, encoding device, video matrix, image splitter and video display, described control centre ATS system comprises ATS server, GPS positioning subsystem and crossing controller, described control centre CCTV system comprises CCTV display workstation and CCTV server, described ATS server, described CCTV display workstation and described CCTV server all access control center local area network (LAN)s, described control centre also comprises the maintenance system of access described control centre local area network (LAN), training system, row adjusts work station and large screen display system.In embodiments of the present invention, described communication system adopts backbone network, and the backbone network that described station CCTV system is provided by described communication system is connected with described control centre CCTV system communication.
As shown in Figure 2, the implementation method of a kind of tramcar closed-circuit TV monitoring system of the present invention, based on tramcar driving automation system platform, tramcar closed-circuit television and train monitoring system interlock are realized data sharing, and one or several camera views controlling correspondence position are presented on CCTV display workstation in the mode preset according to train position information by ATS server.
Specifically comprise the following steps: first tramcar device power, successfully whether the self-inspection of finishing equipment and the connection of inspection and external apparatus interface, after having checked, tramcar equipment starts to establish the link with data network, address belonging to tramcar equipment is current to main control system inquiry by network, then carries out database verification; After verification succeeds, tramcar is in train travelling process, and described GPS positioning subsystem starts to carry out initial alignment, and obtains the information such as line number.This train position information comprises: the information such as train number number, Station XXX, station respective carter numbering, the corresponding kilometer label in station, current of traffic, described GPS positioning subsystem sends train position information to described ATS timing, and in embodiments of the present invention, described GPS positioning subsystem sends train position information every 1s to described ATS timing, when train arrives certain station, according to the train position information of ATS, ATS server sends train arrival information to CCTV server by center local area network (LAN), described ATS server sends train position information to described station CCTV system by control centre's local area network (LAN), the video camera shooting picture corresponding with this train position is passed through described video equalization equipment and described character generator/video distributor outputting video signal according to train position information by described station CCTV system successively, this vision signal is by delivering to described station switch after described encoding device process, finally send to described control centre CCTV server, described CCTV display workstation is indicated interface images to be automatically switched to the good video camera information of current station predefined after vision signal after described control centre CCTV server receives process, when train arrives certain level crossing, the loop wire of track laying senses the information of Train Approaching level crossing, this positional information is sent to described ATS server by crossing controller device, described ATS server sends train position information to described station CCTV system by control centre's local area network (LAN), the video camera shooting picture corresponding with this train position is passed through described video equalization equipment and described character generator/video distributor outputting video signal according to train position information by described station CCTV system successively, this vision signal is by delivering to described station switch after described encoding device process, finally send to described control centre CCTV server, described CCTV display workstation is indicated interface images to be automatically switched to the good video camera information of current station predefined after vision signal after described control centre CCTV server receives process,
In embodiments of the present invention, when train breaks down when driving, described GPS positioning subsystem sends train fault zone position information to described ATS server, described ATS server sends train fault zone position information to described station CCTV system by control centre's local area network (LAN), this fault zone place video camera shooting picture is passed through described video equalization equipment and described character generator/video distributor outputting video signal by described station CCTV system successively, this vision signal is by delivering to described control centre CCTV server after described encoding device process, described CCTV server indicates the interface of described CCTV display workstation to automatically switch to the video camera information of current failure areas adjacent, by checking realtime graphic, the dispatcher of control centre can conveniently monitor scene, center dispatcher can adjust to train operation in advance, also foundation can be provided for accident investigation.Wherein train breaks down when driving and comprises two kinds of situations: one is that after track circuit is damaged, equipment breaks down; Two is tramcar generation feed or derailing fault.If train does not break down in running, need to notify that driver checks whether that wrong information occurs.
Described video camera photographing information has three kinds of display modes: one is if this station has single channel CCTV signal stream to need display, then the video camera in single-image video camera table is loaded into single-image; Two is if this station has four road CCTV signal streams to need display, then the video camera in four frame camera tables is loaded into four pictures; Three is if this station has nine road CCTV signal streams to need display, then the video camera in nine frame camera tables is loaded into nine pictures.
In embodiments of the present invention, described crossing controller is the safety computer platform by the certification of EN50128/9 SIL3 level security, and described train supervision and closed-circuit television system interlock are realized by background application module, without the need to manual intervention.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a tramcar closed-circuit TV monitoring system, it is characterized in that: comprise control centre, station CCTV system and communication system, described control centre is by communication system and described station CCTV system connecting communication, described control centre comprises control centre CCTV system and control centre ATS system, described control centre CCTV system and control centre ATS system are by access control center local area network (LAN) and described station CCTV system connecting communication, described station CCTV system comprises station switch and accesses one group of video camera of station switch successively, video equalization equipment, character generator/video distributor, encoding device, video matrix, image splitter and video display, described control centre ATS system comprises ATS server, GPS positioning subsystem and crossing controller, described control centre CCTV system comprises CCTV display workstation and CCTV server, described ATS server, described CCTV display workstation and described CCTV server all access control center local area network (LAN)s.
2. tramcar closed-circuit TV monitoring system according to claim 1, is characterized in that: described control centre also comprises the maintenance system, training system, row tune work station and the large screen display system that access described control centre local area network (LAN).
3. tramcar closed-circuit TV monitoring system according to claim 1, is characterized in that: described communication system adopts backbone network.
4. use an implementation method for the tramcar closed-circuit TV monitoring system as described in any one of claims 1 to 3 claim, it is characterized in that: comprise the following steps:
S1 tramcar equipment powers on, and whether the connection of the self-inspection of finishing equipment and equipment and other external apparatus interface is successful;
After S2 has checked, tramcar equipment is connected by data network and main control system, inquires about current affiliated address, then carries out database verification;
After S3 verification succeeds, in tramcar running, described GPS positioning subsystem starts to carry out initial alignment and obtains train position information;
S4 when train get to the station or level crossing time, train to be got to the station positional information or by described crossing controller, the train collected is arrived road junction positional information and pass to described ATS server by described GPS positioning subsystem;
ATS server described in S5 sends train position information to described station CCTV system by control centre's local area network (LAN);
The video camera shooting picture corresponding with this train position is passed through described video equalization equipment and described character generator/video distributor outputting video signal according to train position information by station CCTV system successively described in S6, this vision signal, by delivering to described station switch after described encoding device process, finally sends to described control centre CCTV server;
Described CCTV display workstation is indicated interface images to be automatically switched to the good video camera information of current station predefined after vision signal after control centre CCTV server described in S7 receives process.
5. the implementation method of tramcar closed-circuit TV monitoring system according to claim 4, is characterized in that: when train breaks down when driving, and described GPS positioning subsystem sends train fault zone position information to described ATS server; Described ATS server sends train fault zone position information to described station CCTV system by control centre's local area network (LAN); This fault zone place video camera shooting picture is passed through described video equalization equipment and described character generator/video distributor outputting video signal by described station CCTV system successively, this vision signal is by delivering to described control centre CCTV server after described encoding device process, described CCTV server indicates the interface of described CCTV display workstation to automatically switch to the video camera information of current failure areas adjacent.
6. the implementation method of tramcar closed-circuit TV monitoring system according to claim 5, is characterized in that: train breaks down when driving and comprises two kinds of situations: one is that after track circuit is damaged, equipment breaks down; Two is tramcar generation feed or derailing fault.
7. the implementation method of the tramcar closed-circuit TV monitoring system according to any one of claim 4 to 6 claim, it is characterized in that: described video camera photographing information has three kinds of display modes: one is if this station has single channel CCTV signal stream to need display, then the video camera in single-image video camera table is loaded into single-image; Two is if this station has four road CCTV signal streams to need display, then the video camera in four frame camera tables is loaded into four pictures; Three is if this station has nine road CCTV signal streams to need display, then the video camera in nine frame camera tables is loaded into nine pictures.
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| CN201410699060.7A CN104486580A (en) | 2014-11-28 | 2014-11-28 | Tramcar closed circuit television monitoring system and implementation method thereof |
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| CN201410699060.7A CN104486580A (en) | 2014-11-28 | 2014-11-28 | Tramcar closed circuit television monitoring system and implementation method thereof |
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| CN106843056A (en) * | 2017-02-28 | 2017-06-13 | 大连理工大学 | A kind of changing method of metro operation central vehicle monitoring remote video passage |
| WO2019127521A1 (en) * | 2017-12-29 | 2019-07-04 | 海能达通信股份有限公司 | Scheduling device and method for station change |
| CN110015320A (en) * | 2018-01-08 | 2019-07-16 | 比亚迪股份有限公司 | Monitoring image display methods, device and system based on rail traffic |
| CN113060183A (en) * | 2021-03-19 | 2021-07-02 | 苏州华启智能科技有限公司 | System and method for full-function redundancy of TCMS operation screen and CCTV operation screen |
| CN114286020A (en) * | 2021-12-24 | 2022-04-05 | 云南昆钢电子信息科技有限公司 | Automatic switching system and method for rail transportation monitoring videos of underground mine |
| WO2022110197A1 (en) * | 2020-11-30 | 2022-06-02 | 京东方科技集团股份有限公司 | Station information acquisition method and apparatus, station information sending method and apparatus, and signal transceiving system |
| CN116095420A (en) * | 2022-12-30 | 2023-05-09 | 卡斯柯信号有限公司 | Method, equipment and medium for real-time superposition and removal of alarm information during video linkage |
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