CN109451465B - Rail transit signal monitoring system - Google Patents
Rail transit signal monitoring system Download PDFInfo
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- CN109451465B CN109451465B CN201811484039.XA CN201811484039A CN109451465B CN 109451465 B CN109451465 B CN 109451465B CN 201811484039 A CN201811484039 A CN 201811484039A CN 109451465 B CN109451465 B CN 109451465B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/70—Details of trackside communication
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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
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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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]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
Abstract
The invention belongs to the technical field of rail transit signals, and relates to a rail transit signal monitoring system; the system comprises three server levels and a terminal equipment level, wherein the three server levels are a central level server, a station level server and an equipment level server respectively; the terminal equipment level comprises ground and vehicle-mounted equipment in the rail transit signal system; high-speed network communication (wired or wireless) is adopted among servers, between servers and terminal equipment. The central level server and the station level server adopt a universal desktop relational database, the equipment level server adopts a relational database suitable for an embedded system, and the servers of three levels monitor all terminal equipment in the range of the level and provide management and maintenance means of corresponding levels. The novel rail traffic signal monitoring system is an important system for ensuring driving safety, strengthening signal equipment management and monitoring signal equipment, is an indispensable important means for realizing signal system maintenance, and can meet the requirements of various railways and rail traffic signal monitoring.
Description
Technical Field
The invention belongs to the technical field of rail transit signals, and particularly relates to a rail transit signal monitoring system.
Background
The rail transit signal monitoring system is important driving equipment which ensures driving safety, strengthens management of a signal equipment joint part, monitors the state of the signal equipment, discovers hidden danger of the signal equipment, analyzes fault reasons of the signal equipment, assists fault processing, guides field maintenance, reflects equipment application quality, improves maintenance level and maintenance efficiency of an electric service department, achieves unified planning and unified implementation, and synchronously designs, constructs, debugs, checks and accepts systems such as interlocking, blocking, train control, TDCS/CTC, hump and the like.
The conventional rail transit signal monitoring system (see fig. 2) is composed of two server levels and a terminal device level, wherein the two server levels are a central-level server and a station-level server respectively; the terminal equipment level comprises ground and vehicle-mounted equipment in the rail transit signal system; two server hierarchies can realize the signal equipment monitoring of the area of the hierarchy, and simultaneously provide a local or remote access interface.
The traditional rail transit signal monitoring system meets the basic requirements of the rail transit field on the signal monitoring system at that time under the original technical conditions, and promotes the development and progress of the rail transit signal system to a great extent. However, with the explosive development of the rail transit industry, the conventional rail transit signal monitoring system has exposed a plurality of defects, one of which is that the network communication technology is rapidly developed, the network environment, the external electromagnetic environment and the like are increasingly complex and changeable, and the occurrence of various network communication faults causes the loss of terminal equipment-level monitoring information. The loss of the monitoring information causes the monitoring information not to have integrity, thereby influencing the field playback and fault analysis and positioning after the fault, and finally causing the reduction of the availability and maintainability of the whole signal system; in the two traditional rail transit signal monitoring systems, terminal equipment is directly connected to a station-level server, the terminal level cannot provide a signal system monitoring and maintaining interface, and technicians need to analyze and process the current state and historical faults of the terminal equipment by means of the monitoring and maintaining interface of the station-level server or a central-level server during system deployment or maintenance, so that the system deployment and maintenance efficiency is affected slightly.
Disclosure of Invention
In order to solve the problems of the traditional rail transit signal monitoring system, the invention provides a rail transit signal monitoring system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a rail transit signal monitoring system adopts three server levels and a terminal device level; the three server levels are respectively a central level server, a station level server and an equipment level server, wherein the central level server is connected with a plurality of station level servers in a cascading mode, and the station level server is connected with a plurality of equipment level servers in a cascading mode; the equipment level server is used for managing the terminal equipment in the area; the terminal equipment hierarchy at least comprises ground equipment and vehicle-mounted equipment in the rail transit signal system.
The central-level server is deployed in a control center equipment room, the station-level server is deployed in a station equipment room, and the equipment-level server is deployed in a terminal equipment cabinet or a machine room.
By adopting the technical scheme, the rail transit signal monitoring system is additionally provided with the equipment-level server on the basis of the traditional rail transit signal monitoring system, and because the network environment between the equipment-level server and the terminal equipment is relatively simpler, the integrity of the monitoring information of the equipment-level server at the level is very high.
As a further improvement scheme, a central-level server and a station-level server in three server hierarchies adopt high-reliability industrial servers, the servers are deployed with a general desktop relational database, and data storage adopts an independent redundant disk array technology to ensure the safety and reliability of the data storage. The central server and the station server adopt advanced graphic simulation display and virtual reality technologies, intuitively and vividly display the running state of the terminal equipment and can help maintenance personnel to quickly position abnormal equipment; meanwhile, by adopting an intelligent diagnosis technology, the hidden danger of the equipment can be quickly and effectively found and positioned in advance and early-warning is carried out, so that the field maintenance personnel can be guided to quickly process and eliminate the equipment fault.
As a further improvement scheme, the device-level servers in the three server levels adopt high-reliability embedded microprocessor micro servers, the size is small and exquisite, the installation mode is simpler and more convenient and diversified, the additional cost is very low, and the cost performance is very high. The embedded microprocessor micro server adopts an embedded system relational database meeting the application of an embedded system, and the data storage adopts an independent redundant disk array technology, so that the stable redundancy and the safety of data are ensured. The adopted embedded system relational database has the characteristics of high availability, safety, cross-platform data management, concurrency, shared access and the like; local and remote SQL operations are supported, and access authorization management and data encryption are also supported; the system supports ARM, MIPS, PowerPC and X86 processors, and supports Vxworks, QNX, freeRTOS, mu cos, wince, RT-thread, RTEMS and other common embedded operating systems.
As a further improvement scheme, high-speed Ethernet communication is adopted among monitoring system servers and between the servers and terminal equipment, and the communication mode can be a wired or wireless mode according to actual environmental requirements. The monitoring system comprises three levels of servers, wherein the level of a central level server is the highest, the level of a station level server is the second, and the level of an equipment level server is the lowest. The high-level server accesses the low-level server through a trusted remote SQL operation mode to realize rapid and safe data difference synchronization; the low-level server can filter and process the data at the level based on the local data configuration file, thereby avoiding the synchronization of invalid and meaningless uplink data; the low-level server local data configuration file may be configured by high-level server authorization or locally manual means.
As a further improvement scheme, the three level servers provide trusted local or remote access interfaces, signal equipment monitoring of all levels of jurisdiction areas can be conveniently realized on the basis of the remote interfaces, and system deployment and maintenance personnel can safely and efficiently implement system deployment and maintenance on the basis of the local interfaces.
Preferably, the embedded microprocessor microserver adopts an ARM + FPGA embedded scheme.
Preferably, the central server and the station-level server are equipped with dedicated display devices, and the device-level server is not required to be equipped with dedicated display devices.
Compared with the prior art, the invention has the following technical effects:
a rail transit signal monitoring system is mainly characterized in that:
1. the invention adopts a three-level server architecture, and adds equipment-level servers compared with the traditional system, so that the whole system has the capability of three-level monitoring and diagnosis, and the efficiency of system deployment and maintenance is improved. Meanwhile, the equipment-level server is deployed on a terminal site, a signal system monitoring and maintenance interface can be provided for the terminal equipment level, and technicians can directly analyze and process the current state and historical faults of the terminal equipment during system deployment or maintenance, so that the system deployment and maintenance efficiency is greatly improved; meanwhile, monitoring information is not lost due to the whole network fault of the system, and the integrity of the information is effectively guaranteed;
2. the equipment-level server adopts a high-reliability embedded microprocessor mini-server, has small and exquisite volume,
the installation mode is more convenient and diversified; the equipment-level server deploys an embedded system relational database to realize perfect matching with a traditional desktop server database interface; the device-level server provides the same trusted local or remote access interface as a traditional desktop server.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a schematic view of a novel rail transit signal monitoring system according to embodiment 1 of the present invention.
Fig. 2 is a schematic diagram of a conventional rail transit signal monitoring system.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only the preferred embodiments of the present invention, and not all of them. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, the novel rail transit signal monitoring system is composed of three server levels and a terminal device level, wherein the three server levels are a central level server, a station level server and a device level server respectively; the central-level server is deployed in a control center equipment room, the station-level server is deployed in a station equipment room, and the equipment-level server is deployed in a terminal equipment cabinet or a machine room.
High-speed Ethernet communication is adopted among the monitoring system servers and between the servers and the terminal equipment, and the communication mode reasonably selects a wired or wireless mode according to actual conditions.
The central server and the station-level server adopt high-reliability industrial servers, and the servers adopt general desktop relational databases. The equipment-level server adopts a small-sized server based on a high-reliability embedded microprocessor, and the server adopts an embedded system relational database meeting the application of an embedded system. The data storage of the three layers of servers adopts the technology of independent redundant disk arrays.
The central server and the station-level server adopt advanced graphic simulation display and virtual reality technology to visually and vividly display the running state of the terminal equipment. Meanwhile, an intelligent diagnosis technology is adopted, so that hidden dangers of the equipment are found and positioned in advance and early warning is given.
An embedded system relational database adopted by the equipment-level server supports local and remote SQL operations; the access authorization management and the data encryption are supported; the system supports ARM, MIPS, PowerPC and X86 processors, and supports Vxworks, QNX, freeRTOS, mu cos, wince, RT-thread, RTEMS and other common embedded operating systems.
Three tier servers, the central tier server with the highest level, the site servers with the next lowest level, and the device servers with the lowest level. The high-level server accesses the low-level server through a trusted remote SQL operation mode, and the server can customize synchronization rules and strategies to realize rapid and safe data difference synchronization; the low-level server can filter and process the data at the level based on the local data configuration file, thereby avoiding the synchronization of invalid and meaningless uplink data; the low-level server local data configuration file may be configured by high-level server authorization or locally manual means.
All three tier servers provide trusted local or remote access interfaces.
The above disclosure is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any variations that can be made by those skilled in the art should fall within the scope of the present invention. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (7)
1. A rail transit signal monitoring system is characterized in that three server levels and a terminal equipment level are adopted; the three server levels are respectively a central level server, a station level server and an equipment level server, wherein the central level server is connected with a plurality of station level servers in a cascading mode, and the station level server is connected with a plurality of equipment level servers in a cascading mode; the equipment level server is used for managing the terminal equipment in the area; the terminal equipment hierarchy at least comprises ground equipment and vehicle-mounted equipment in a rail transit signal system;
the central-level server is deployed in a control center equipment room, the station-level server is deployed in a station equipment room, and the equipment-level server is deployed in a terminal equipment cabinet or a machine room;
the equipment-level server adopts a small-sized server based on a high-reliability embedded microprocessor, adopts an embedded system relational database meeting the application of an embedded system, and adopts an independent redundant disk array technology for data storage;
the embedded system relational database supports local and remote SQL operations and supports access authorization management and data encryption.
2. The rail transit signal monitoring system of claim 1, wherein high-speed ethernet communication is adopted between the servers and the terminal device, and the communication mode can be configured to be a wired or wireless mode according to actual conditions.
3. The rail transit signal monitoring system of claim 1, wherein the central server and the station-level server are high-reliability industrial servers, and the operation state of the terminal equipment is displayed by adopting a graphic simulation display and virtual reality technology to assist maintenance personnel in quickly positioning abnormal equipment.
4. The rail transit signal monitoring system of claim 1, wherein the embedded system relational database supports ARM, MIPS, PowerPC and X86 processors, and supports embedded operating systems commonly used by Vxworks, QNX, freeRTOS, μ cos, wince, RT-thread, RTEMS and the like.
5. The rail transit signal monitoring system of claim 1, wherein a center level server is highest in rank, a station level server is second, and an equipment level server is lowest; the high-level server accesses the low-level server through a trusted remote SQL operation mode to realize rapid and safe data difference synchronization; the low-level server can filter and process the data at the level based on the local data configuration file, thereby avoiding the synchronization of invalid and meaningless uplink data; the low-level server local data configuration file may be configured by high-level server authorization or locally manual means.
6. The rail transit signal monitoring system of claim 1, wherein the three level servers all provide trusted local or remote access interfaces, signal equipment monitoring in all levels of jurisdiction can be conveniently achieved based on the remote interfaces, and system deployment and maintenance personnel can safely and efficiently implement system deployment and maintenance based on the local interfaces.
7. The rail transit signal monitoring system of claim 1, wherein the device-level server employs an ARM + FPGA embedded architecture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484039.XA CN109451465B (en) | 2018-12-06 | 2018-12-06 | Rail transit signal monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484039.XA CN109451465B (en) | 2018-12-06 | 2018-12-06 | Rail transit signal monitoring system |
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| CN109451465A CN109451465A (en) | 2019-03-08 |
| CN109451465B true CN109451465B (en) | 2021-09-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110654428A (en) * | 2019-09-27 | 2020-01-07 | 北京和利时系统工程有限公司 | Automatic system is synthesized in driving |
| CN113734243B (en) * | 2021-08-17 | 2023-10-13 | 卡斯柯信号有限公司 | Method, equipment and medium for managing trackside resources based on relational database |
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| US9875041B1 (en) * | 2014-09-30 | 2018-01-23 | Acronis International Gmbh | Synchronized change tracking in data storage volumes |
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Patent Citations (6)
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| CN102407867A (en) * | 2011-08-09 | 2012-04-11 | 河南辉煌科技股份有限公司 | Urban rail transit signal maintenance supporting system |
| US9357261B2 (en) * | 2013-02-14 | 2016-05-31 | The Nielsen Company (Us), Llc | Methods and apparatus to measure exposure to streaming media |
| CN105892364A (en) * | 2016-05-05 | 2016-08-24 | 中科智水（北京）科技有限公司 | System for centralized monitoring and management of water-related affairs |
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