CN115037773A - Rail transit communication system with stable transmission - Google Patents
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- CN115037773A CN115037773A CN202210900910.XA CN202210900910A CN115037773A CN 115037773 A CN115037773 A CN 115037773A CN 202210900910 A CN202210900910 A CN 202210900910A CN 115037773 A CN115037773 A CN 115037773A
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- 230000006854 communication Effects 0.000 title claims abstract description 58
- 238000004891 communication Methods 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 238000007726 management method Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000013523 data management Methods 0.000 claims abstract description 4
- 230000002155 anti-virotic effect Effects 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 230000007613 environmental effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 description 6
- 230000004927 fusion Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000006855 networking Effects 0.000 description 2
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
- H04L63/145—Countermeasures against malicious traffic the attack involving the propagation of malware through the network, e.g. viruses, trojans or worms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a rail transit communication system with stable transmission, which comprises a special telephone module, a control center, a wireless subsystem, an anti-interference subsystem, a clock subsystem, a broadcasting subsystem, a video monitoring subsystem, a power subsystem and an encryption module, wherein the special telephone module is used for transmitting data; the power supply subsystem is used for uninterruptedly supplying power so as to ensure that each subsystem can still work for a period of time when the mains supply is interrupted; the control center is used for controlling the operation of the communication system, is used for realizing communication and management, and comprises a video management server, a data management server, a client and a streaming media server; the invention has the beneficial effects that: the anti-interference subsystem is connected with the control center, and filters signals through the anti-interference subsystem, so that the received signals are pure in quality, clear and definite in sound and image, and the stability of transmission is ensured; when the encryption module is used for data transmission, the integrity and the confidentiality of data are ensured, and the identity authentication can be carried out on a sender of the data.
Description
Technical Field
The invention belongs to the technical field of rail transit communication, and particularly relates to a rail transit communication system with stable transmission.
Background
In order to ensure that an urban rail transit system can operate reliably, safely and efficiently and effectively transmit various information such as voice, data, images and the like related to subway operation, maintenance and management, a reliable, easily-expanded and independent communication network is required to be established; the rail transit communication network system is directly used for rail transit operation and management, and is an indispensable intelligent automatic integrated service digital communication network for ensuring safe, quick and efficient operation of trains and passengers.
The urban rail communication system and the signal system jointly complete the traffic dispatching command and provide information transmission channels and standard time signals for other subsystems of the urban rail; the communication system is a main channel for the internal public affair communication of the urban rail transit, so that all subsystems forming the inside of the urban rail transit can be closely connected, and the operation efficiency of the whole system is improved; of course, the communication system is also a channel for inside and outside connection of urban rail transit; the urban rail communication system is a main means for carrying out emergency treatment, rescue and relief work and the like under the conditions of disasters, accidents and the like; under normal conditions, the communication system can provide communication means for operation management, command, monitoring and the like, and provides careful service for passengers: under the conditions of sudden disasters, accidents and the like, communication resources can be centralized, and enough capacity is ensured to meet the special communication requirements of emergency treatment and rescue and relief work.
The invention discloses a Chinese patent rail transit communication system with application number CN201811628300.9, which comprises a plurality of communication subsystems, a signal subsystem, a fusion control center and a first firewall connected with the fusion control center, wherein the fusion control center is connected with the signal subsystems, and the communication between each communication subsystem and the signal subsystem is carried out through the fusion control center and the safety protection of the communication is carried out based on a safety protection strategy pre-configured in the first firewall in the communication process.
When the signal transmission of the existing rail transit communication system is carried out, the signal transmission is inaccurate and unstable in the process of signal transmission due to the influence of internal factors and external factors, and the quality of the signal transmission is influenced.
Disclosure of Invention
The invention aims to provide a rail transit communication system with stable transmission, which can increase the stability of signal transmission and ensure the accuracy and stability of signal transmission.
In order to achieve the purpose, the invention provides the following technical scheme: a rail transit communication system with stable transmission comprises a special telephone module, a control center, a wireless subsystem, an anti-interference subsystem, a clock subsystem, a broadcasting subsystem, a video monitoring subsystem, a power subsystem and an encryption module; wherein the content of the first and second substances,
the power supply subsystem is used for uninterruptedly supplying power so as to ensure that each subsystem can still work for a period of time when the mains supply is interrupted;
the control center is used for controlling the operation of the communication system, is used for realizing communication and management, and comprises a video management server, a data management server, a client and a streaming media server;
the wireless subsystem is connected with the control center, provides a safe and reliable transmission channel for the information of images, pictures and data of the vehicle and the control center for the whole rail transit communication system, and provides positioning data for signals in the vehicle;
the clock subsystem is connected with the control center and is used for guaranteeing passengers to be served when the tramcar operates, and standard time of all-line equipment is unified;
the broadcasting subsystem is connected with the control center and is used for broadcasting and reporting;
the special telephone module is connected with the control center, provides special direct communication for the control center commander to carry out vehicle dispatching, power dispatching and disaster prevention environmental control dispatching through the special telephone module, and has the functions of single call, group call, full call, emergency call and recording;
the anti-interference subsystem comprises an interference network and a microwave interference device, is connected with the control center and filters signals through the anti-interference subsystem, so that the received signals are guaranteed to be pure in quality, clear and definite in sound and image;
the video monitoring subsystem is connected with the control center, is an important means for ensuring the running organization and safety of the tramcar, and is used by a dispatcher and an attendant to monitor the running condition of a train, the passenger flow condition, the ticket selling and checking operation condition and the equipment running condition of a substation equipment room;
the encryption module is used for ensuring the integrity and confidentiality of data and authenticating the identity of a sender of the data when the data is transmitted; the encryption mode is a combination of symmetric encryption, public key encryption and one-way encryption.
As a preferred technical solution of the present invention, the symmetric encryption: the same key is used for encryption and decryption, so that the confidentiality of data transmission is ensured; public key encryption: a key pair, namely a private key and a public key, is generated, the private key is used for encryption during encryption, and the public key is used for decryption during decryption, so that the problem of key exchange is solved; unidirectional encryption: extracting feature codes of the data, outputting the feature codes in a fixed length mode, being irreversible and capable of checking the integrity of the data; in practical application, the following is applied to data from a sender to a receiver: firstly, carrying out one-way encryption on data to be transmitted to obtain a feature code of the data; encrypting the feature code by using the sent private key to generate S1; then S1 and data are symmetrically encrypted to generate S2; finally, encrypting the S2 and the symmetric encrypted password by using the public key of the receiver; the integrity and confidentiality of the data in the transmission process and the verification of the identity of the sender can be guaranteed, and when the data reaches a receiving mode, a receiver decrypts the received data by using a private key of the receiver to obtain decrypted and encrypted data; decrypting the encrypted data by using the password to obtain an encrypted feature code and encrypted data; decrypting the feature code by using the public key of the sender, and if the feature code can be decrypted, indicating that the data is sent by the sender; otherwise, the authentication is not carried out, so that the authentication is realized; finally, calculating the feature code of the data and comparing the feature code with the decrypted feature code, if the feature code is the same as the decrypted feature code, the data is not modified; otherwise, the data is modified.
As a preferred technical solution of the present invention, the video monitoring subsystem includes a CCD camera, a CMOS camera, a general camera, a day and night camera, an infrared camera, a standard definition camera, a high definition camera, an analog camera, and a web camera.
As a preferred technical scheme of the invention, the system further comprises a self-checking alarm module, the communication system is self-checked through the self-checking alarm module, and when a fault occurs, an alarm is given, so that the maintenance is convenient and timely, and the normal operation of the communication system is guaranteed.
The invention also comprises a mobile phone, wherein a receiving program is arranged in the mobile phone, the data information obtained by self-checking is transmitted to the mobile phone in a wireless transmission mode and is displayed to a control center commander through a mobile phone display screen, and the use convenience is increased.
The invention also comprises an anti-virus module which ensures the safety of data transmission.
As a preferred technical solution of the present invention, the mobile terminal further includes a storage unit, and the data is stored by the storage unit.
As a preferred technical solution of the present invention, the method for storing the data comprises the following steps: acquiring data to be stored and an attribute value describing the attribute of the data to be stored; and sequentially storing the data to be stored with the same or similar attribute values in the storage data block according to the attribute values.
Compared with the prior art, the invention has the beneficial effects that:
(1) the anti-interference subsystem is connected with the control center, and filters signals through the anti-interference subsystem, so that the received signals are pure in quality, clear and definite in sound and image, and the stability of transmission is ensured;
(2) the encryption module is used for ensuring the integrity and confidentiality of data and carrying out identity authentication on a sender of the data when the data are transmitted;
(3) the communication system is self-checked through the self-checking alarm module, and an alarm is given when a fault occurs, so that the maintenance is convenient and timely, and the normal operation of the communication system is guaranteed;
(4) and the data information obtained by self-checking is transmitted into the mobile phone in a wireless transmission mode and is displayed to a control center commander through a mobile phone display screen, so that the use convenience is increased.
Drawings
FIG. 1 is a system diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a rail transit communication system with stable transmission comprises a special telephone module, a control center, a wireless subsystem, an anti-interference subsystem, a clock subsystem, a broadcasting subsystem, a video monitoring subsystem, a power subsystem and an encryption module; wherein the content of the first and second substances,
the power supply subsystem is used for uninterruptedly supplying power so as to ensure that each subsystem can still work for a period of time when the mains supply is interrupted;
the control center is used for controlling the operation of the communication system, is used for realizing communication and management, and comprises a video management server, a data management server, a client and a streaming media server;
the wireless subsystem is connected with the control center, provides a safe and reliable transmission channel for the information of images, pictures and data of the vehicle and the control center for the whole rail transit communication system, and provides positioning data for signals in the vehicle;
the clock subsystem is connected with the control center and is used for guaranteeing passengers to be served when the tramcar operates and unifying standard time of the whole-line equipment; in order to ensure that the tramcar serves passengers on time of operation and unifies standard time of full-line equipment, a clock subsystem is arranged; a two-stage networking mode of a control center and a vehicle parking and protection base is adopted, and the two-stage networking mode comprises a primary master clock, a secondary clock, network management equipment and a transmission channel.
The broadcasting subsystem is connected with the control center and is a rapid and necessary means for tramcar operation and running organization; on one hand, the system broadcasts to passengers and informs train arrival, departure, line transfer and plan change information; on the other hand, for safety, the system is used as disaster prevention broadcasting of organization command in emergencies to effectively dredge and guide passengers; the broadcast can also release information for operators, so that the cooperative operation is facilitated, and the service quality is improved;
the special telephone module is connected with the control center, provides special direct communication for the control center commander to carry out vehicle dispatching, power dispatching and disaster prevention environmental control dispatching through the special telephone module, and has the functions of single call, group call, full call, emergency call and recording;
the anti-interference subsystem comprises an interference network and a microwave interference device, is connected with the control center and filters signals through the anti-interference subsystem, so that the received signals are guaranteed to be pure in quality, clear and definite in sound and image;
the video monitoring subsystem is connected with the control center, is an important means for ensuring the running organization and safety of the tramcar, and is used by a dispatcher and an attendant to monitor the running condition of a train, the passenger flow condition, the ticket selling and checking operation condition and the running condition of equipment in a substation equipment room;
in this embodiment, preferably, when the encryption module is used for data transmission, the integrity and confidentiality of data are ensured, and the identity authentication can be performed on a sender of the data; the encryption mode is a combination of symmetric encryption, public key encryption and one-way encryption.
In this embodiment, preferably, symmetric encryption: the same key is used for encryption and decryption, so that the confidentiality of data transmission is ensured; public key encryption: a key pair, namely a private key and a public key, is generated, the private key is used for encryption during encryption, and the public key is used for decryption during decryption, so that the problem of key exchange is solved; unidirectional encryption: extracting feature codes of the data, outputting the feature codes in a fixed length mode, being irreversible and capable of checking the integrity of the data; in practical application, the following is applied to data from a sender to a receiver: firstly, carrying out one-way encryption on data to be transmitted to obtain a feature code of the data; encrypting the feature code by using the sent private key to generate S1; then S1 and data are symmetrically encrypted to generate S2; finally, encrypting the S2 and the symmetric encrypted password by using the public key of the receiver; when the data reaches the receiving mode, the receiving party firstly decrypts the received data by using the private key of the receiving party to obtain decrypted and encrypted data; decrypting the encrypted data by using the password to obtain an encrypted feature code and encrypted data; decrypting the feature code by using the public key of the sender, and if the feature code can be decrypted, indicating that the data is sent by the sender; otherwise, the authentication is not carried out, so that the authentication is realized; finally, calculating the feature code of the data and comparing the feature code with the decrypted feature code, if the feature code is the same as the decrypted feature code, the data is not modified; otherwise, the data is modified.
In this embodiment, preferably, the video monitoring subsystem includes a CCD camera, a CMOS camera, a general camera, a day and night camera, an infrared camera, a standard definition camera, a high definition camera, an analog camera, and a web camera.
In this embodiment, preferably, the communication system further includes a self-checking alarm module, and the communication system is self-checked by the self-checking alarm module, and when a fault occurs, an alarm is given, so that the communication system is conveniently and timely maintained, and the normal operation of the communication system is guaranteed.
In this embodiment, it is preferable that the mobile phone further includes a receiving program, the receiving program is set in the mobile phone, the data information obtained by the self-checking is transmitted to the mobile phone in a wireless transmission manner, and is displayed to a commander in the control center through a display screen of the mobile phone, so that convenience in use is increased.
In this embodiment, it is preferable that the data transmission system further includes an anti-virus module, and the security during data transmission is ensured by the anti-virus module.
In this embodiment, it is preferable that the data processing apparatus further includes a storage unit, and the data is stored in the storage unit.
In this embodiment, preferably, the data storage method is as follows: acquiring data to be stored and an attribute value describing the attribute of the data to be stored; and sequentially storing the data to be stored with the same or similar attribute values in the storage data block according to the attribute values.
Although embodiments of the present invention have been shown and described, with particular reference to the foregoing detailed description, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A rail transit communication system with stable transmission is characterized in that: the system comprises a special telephone module, a control center, a wireless subsystem, an anti-interference subsystem, a clock subsystem, a broadcasting subsystem, a video monitoring subsystem, a power subsystem and an encryption module; wherein the content of the first and second substances,
the power supply subsystem is used for uninterruptedly supplying power so as to ensure that each subsystem can still work for a period of time when the mains supply is interrupted;
the control center is used for controlling the operation of the communication system, is used for realizing communication and management, and comprises a video management server, a data management server, a client and a streaming media server;
the wireless subsystem is connected with the control center, provides a safe and reliable transmission channel for the information of images, pictures and data of the vehicle and the control center for the whole rail transit communication system, and provides positioning data for signals in the vehicle;
the clock subsystem is connected with the control center and is used for guaranteeing passengers to be served when the tramcar is operated and unifying standard time of all-line equipment;
the broadcasting subsystem is connected with the control center and is used for broadcasting and reporting;
the special telephone module is connected with the control center, provides special direct communication for the control center commander to carry out driving dispatching, power dispatching and disaster prevention and environmental control dispatching through the special telephone module, and has the functions of single calling, group calling, full calling, emergency calling and recording;
the anti-interference subsystem comprises an interference network and a microwave interference device, and is connected with the control center, and the anti-interference subsystem filters signals to ensure that the received signals are pure in quality, clear and definite in sound and image;
the video monitoring subsystem is connected with the control center, is an important means for ensuring the running organization and safety of the tramcar, and is used by a dispatcher and an attendant to monitor the running condition of a train, the passenger flow condition, the ticket selling and checking operation condition and the equipment running condition of a substation equipment room;
the encryption module is used for ensuring the integrity and confidentiality of data and carrying out identity authentication on a sender of the data when the data are transmitted; the encryption mode is a combination of symmetric encryption, public key encryption and one-way encryption.
2. The rail transit communication system with stable transmission of claim 1, wherein: the symmetric encryption comprises the following steps: the same key is used for encryption and decryption; public key encryption: generating a key pair, namely a private key and a public key, encrypting by using the private key during encryption, and decrypting by using the public key during decryption; unidirectional encryption: and extracting the feature code of the data.
3. The rail transit communication system with stable transmission according to claim 1, wherein: the video monitoring subsystem comprises a CCD camera, a CMOS camera, a common camera, a day and night camera, an infrared camera, a standard definition camera, a high-definition camera, an analog camera and a network camera.
4. The rail transit communication system with stable transmission according to claim 1, wherein: the communication system is self-checked through the self-checking alarm module, and an alarm is given when a fault occurs.
5. The rail transit communication system with stable transmission according to claim 4, wherein: the system also comprises a mobile phone, wherein a receiving program is arranged in the mobile phone, the data information obtained by self-checking is transmitted into the mobile phone in a wireless transmission mode, and is displayed to a control center commander through a mobile phone display screen.
6. The rail transit communication system with stable transmission according to claim 1, wherein: the anti-virus data transmission system further comprises an anti-virus module, and the safety of data transmission is guaranteed through the anti-virus module.
7. The rail transit communication system with stable transmission of claim 1, wherein: the storage unit is further included, and the data are stored through the storage unit.
8. The rail transit communication system with stable transmission according to claim 7, wherein: the data storage method comprises the following steps: acquiring data to be stored and an attribute value describing the attribute of the data to be stored; and sequentially storing the data to be stored with the same or similar attribute values in the storage data block according to the attribute values.
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| CN116389681A (en) * | 2023-03-01 | 2023-07-04 | 南京地铁运营有限责任公司 | Video monitoring system for urban rail transit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116389681A (en) * | 2023-03-01 | 2023-07-04 | 南京地铁运营有限责任公司 | Video monitoring system for urban rail transit |
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