CN109532952B - Intelligent display monitoring system for urban rail vehicle - Google Patents
Intelligent display monitoring system for urban rail vehicle Download PDFInfo
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- CN109532952B CN109532952B CN201811314642.3A CN201811314642A CN109532952B CN 109532952 B CN109532952 B CN 109532952B CN 201811314642 A CN201811314642 A CN 201811314642A CN 109532952 B CN109532952 B CN 109532952B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000012806 monitoring device Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 4
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- 238000004891 communication Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
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- Electric Propulsion And Braking For Vehicles (AREA)
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Abstract
The invention discloses an intelligent display monitoring system for urban rail vehicles, which acquires the fault state of each device in the system through a host control unit of a cab, and receives and displays the fault state of each device by an intelligent display monitoring device. The real-time monitoring of the faults of the intelligent display monitoring system of the urban rail vehicle is realized. And fault finding and system maintenance are facilitated.
Description
Technical Field
The invention relates to the technical field of urban rail vehicles, in particular to an intelligent display monitoring system for an urban rail vehicle.
Background
At present, domestic rail transit passenger information service systems are divided into common passenger cars, motor car/high-speed rail passenger information systems and urban rail transit passenger information service systems, which are PIS systems for short, according to application. The system consists of three subsystems: the system comprises a train broadcasting system, an information display system and a video monitoring system. The video monitoring system mainly comprises a guest room network camera, a cab network camera, a monitoring display screen and a cab monitoring host machine.
The main research and development manufacturers of the domestic rail transit passenger information service system are the companies of the four departments of the middle-sized train, the Tianjin north sea company, the Beijing bei nengda company, the New science company and the like, and the companies of the four departments are mainly used on the high-speed train of the motor train. However, due to the system architecture, when a fault occurs in the conventional PIS, the fault cannot be found out, and inconvenience is brought to later-stage maintenance.
Disclosure of Invention
The invention provides an intelligent display monitoring system for an urban rail vehicle, which aims to overcome the problems.
The invention relates to an intelligent display monitoring system for urban rail vehicles, which comprises:
the intelligent display monitoring device and the cab host control unit;
the intelligent display monitoring device comprises: the system comprises an equipment real-time fault monitoring unit, a network fault unit and a display unit;
the device real-time fault monitoring unit is configured to receive device fault status information sent by the host control unit, where the status information includes: the system comprises a display unit, a cab host main control board, a cab host interface board, a cab host media monitoring main board, a GPS unit, audio power amplifier control boards of all passenger room control extensions and a camera, wherein the display unit is used for displaying the equipment fault information;
the network failure unit is configured to receive failure information sent by the host control unit, where the failure information includes: network states and network faults of all cab switch board cards and all guest room switch board cards are detected, and fault information is sent to the display unit;
the host control unit is used for acquiring fault recording register values of the master control board of the cab host, the I/O of a cab host interface board, the media monitoring main board of the cab host, the GPS unit, the control hierarchical audio power amplifier control boards of all the cabs and the camera at regular time, determining fault state information according to the register values and sending the fault state information to the real-time fault detection unit of the equipment;
the host control unit is also used for sending network state monitoring information to each driver cab and each passenger room switch, receiving feedback information of each driver cab and each passenger room switch, determining the network state and the network fault position of each driver cab and each passenger room switch according to the feedback information, and sending the network state and the network fault position to the network fault unit.
The host control unit determines the network state and the fault position by judging the last bit of the monitoring message packet received each time, and sends the information to the network fault unit of the intelligent display monitoring device.
Further, still include:
the hard disk state detection unit receives the hard disk state information sent by the host control unit and sends the hard disk state information to the display unit;
the host control unit is used for collecting life signals of the first hard disk or the second hard disk, judging the working state of the first hard disk or the second hard disk according to the life signals and sending the working state to the hard disk state detection unit.
Further, still include:
a camera switching unit, the camera switching unit is used for sending a camera switching request to the host control unit, the camera switching request includes: carriage number and camera number;
the host control unit is used for receiving the camera switching request sent by the camera switching unit and sending video information corresponding to the camera to the display unit according to the camera switching request.
Further, still include:
a video playback unit to send a video request to the host control unit, the video request comprising: the carriage number, the camera number and the time information are sent to a display unit;
the host control unit is used for receiving the video request sent by the video playback unit and sending corresponding video information to the video playback unit according to the request.
The intelligent display monitoring system for the urban rail vehicle acquires the fault state of each device in the system through the host control unit of the cab, and receives and displays the fault state of each device by the intelligent display monitoring device. The real-time monitoring of the faults of the intelligent display monitoring system of the urban rail vehicle is realized. And fault finding and system maintenance are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an intelligent display monitoring system for urban rail vehicles according to the invention;
fig. 2 is a schematic diagram of a network structure between the driver's cab and the passenger room according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is an intelligent display monitoring system for urban rail vehicles according to the present invention, as shown in fig. 1, the system of the present embodiment may include:
the intelligent display monitoring device 101 and the cab host control unit 102;
the intelligent display monitoring device comprises: the system comprises an equipment real-time fault monitoring unit 103, a network fault unit 104 and a display unit 105;
the device real-time fault monitoring unit is configured to receive device fault status information sent by the host control unit, where the status information includes: the system comprises a display unit, a cab host main control board, a cab host interface board, a cab host media monitoring main board, a GPS unit, audio power amplifier control boards of all passenger room control extensions and a camera, wherein the display unit is used for displaying the equipment fault information;
the network failure unit is configured to receive failure information sent by the host control unit, where the failure information includes: network states and network faults of all cab switch board cards and all guest room switch board cards are detected, and fault information is sent to the display unit;
the host control unit is used for acquiring fault recording register values of the master control board of the cab host, the I/O of a cab host interface board, the media monitoring main board of the cab host, the GPS unit, the control hierarchical audio power amplifier control boards of all the cabs and the camera at regular time, determining fault state information according to the register values and sending the fault state information to the real-time fault detection unit of the equipment;
the host control unit is also used for sending network state monitoring information to each driver cab and each passenger room switch, receiving feedback information of each driver cab and each passenger room switch, determining the network state and the network fault position of each driver cab and each passenger room switch according to the feedback information, and sending the network state and the network fault position to the network fault unit.
Specifically, in this embodiment, each board card of the cab host, the passenger room control extension, and the camera in the urban rail vehicle has a fixed 8-bit fault bit register, and the control host performs parity check monitoring on each unit at certain time intervals through the network. When the life signal of the board is reset (no life), the value of the fault register is added with 1, parity conversion is carried out, and the host knows whether the board or the equipment has faults or not by comparing with the last parity condition. The intelligent display monitoring device displays the states of all the board cards and the equipment in real time, and is convenient for timely maintenance of all the equipment in the system.
As shown in fig. 2, the network structure formed by the cab and the guest room in this embodiment is a ring ethernet, the host control unit sends network state monitoring information to the first cab switch, and the host control unit determines the network state and the fault occurrence position by judging the last bit of the monitoring packet received each time, and sends the information to the network fault unit of the intelligent display monitoring device. And the fault position in the network is found in time, so that the communication quality between the cab and the passenger room is ensured.
Further, still include:
the hard disk state detection unit receives the hard disk state information sent by the host control unit and sends the hard disk state information to the display unit;
the host control unit is used for collecting life signals of the first hard disk or the second hard disk, judging the working state of the first hard disk or the second hard disk according to the life signals and sending the working state to the hard disk state detection unit.
Specifically, the life signal of the hard disk in this embodiment is the last bit of an 8-bit data register in the CPU of the cab monitoring control host, the main control board of the control host sends the value of the register to the main board of the monitoring screen at regular time, and the main control board of the monitoring screen determines whether the corresponding hard disk is in a normal working state by reading the last bit of the value. The hard disk is monitored, and the situation that video data cannot be stored after the hard disk fails is avoided.
Further, still include:
a camera switching unit, the camera switching unit is used for sending a camera switching request to the host control unit, the camera switching request includes: carriage number and camera number;
the host control unit is used for receiving the camera switching request sent by the camera switching unit and sending video information corresponding to the camera to the display unit according to the camera switching request.
Specifically, the camera switching of the present example may include two forms: single camera switching and multiple cameras as a group. When a single camera is switched, the IP address is switched, the monitoring screen mainboard sends the changed IP value to the control host mainboard, and the control host mainboard obtains the corresponding camera video stream according to the IP value and transmits the video stream to the monitoring device for playing; the group switching process of the multiple cameras is similar to that of a single camera, only the value of a polling group register is changed, the data transmitted by the monitoring screen is the polling group register value, and the control host finds the video stream of the corresponding four IP value cameras after analyzing the value. The driver cab can monitor the conditions in the passenger room comprehensively and accurately.
Further, still include:
a video playback unit to send a video request to the host control unit, the video request comprising: the carriage number, the camera number and the time information are sent to a display unit;
the host control unit is used for receiving the video request sent by the video playback unit and sending corresponding video information to the video playback unit according to the request.
Specifically, the format of the video request in this embodiment is exemplified by the video recording start of the first camera in the cab in 2018, No. 7/month No. 19:28:34, and the video name is: tc1-C1_20180704_192834.avi, the video playback unit will store the video name as a character string in a temporary variable txAVIname in the memory, and send the value of the temporary variable to the host control unit, the host control unit finds the video with the same name as the txAVIname by traversing the names of all videos in the disc directory in the DVR card root directory, and sends the video back to the display unit. The analysis and the sorting of the historical video data are realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides an urban rail vehicle intelligent display monitoring system which characterized in that includes:
the intelligent display monitoring device and the cab host control unit;
the intelligent display monitoring device comprises: the system comprises an equipment real-time fault monitoring unit, a network fault unit and a display unit;
the device real-time fault monitoring unit is used for receiving device fault state information sent by the host control unit, and the device fault state information includes: the system comprises a display unit, a cab host main control board, a cab host interface board, a cab host media monitoring main board, a GPS unit, audio power amplifier control board of each cabin control extension and a camera, wherein the display unit is used for displaying the equipment fault state information;
the network failure unit is configured to receive failure information sent by the host control unit, where the failure information includes: network states and network faults of all cab switch board cards and all guest room switch board cards are detected, and fault information is sent to the display unit;
the host control unit is used for acquiring fault recording register values of the master control board of the cab host, the I/O of a host interface board of the cab, the media monitoring main board of the cab host, the GPS unit, the audio power amplifier control board of each cabin control extension and the camera at regular time, determining equipment fault state information according to the register values and sending the equipment fault state information to the real-time equipment fault monitoring unit;
the host control unit is also used for sending network state monitoring information to each driver cab and each passenger room switch, receiving feedback information of each driver cab and each passenger room switch, determining the network state and the network fault position of each driver cab and each passenger room switch according to the feedback information, and sending the network state and the network fault position to the network fault unit; the host control unit monitors parity check of each board card at certain time intervals through a network, when a life signal of a certain board card is reset, a fault recording register value is added with 1, parity conversion is carried out, and the host control unit determines whether the board card has a fault or not through comparison with the previous parity condition;
further comprising:
the hard disk state monitoring unit receives the hard disk state information sent by the host control unit and sends the hard disk state information to the display unit;
the host control unit is used for acquiring a life signal of a first hard disk or a second hard disk, judging the working state of the first hard disk or the second hard disk according to the life signal and sending the working state to the hard disk state monitoring unit; the life signal of the hard disk is the last bit of an 8-bit data register in the CPU of the host control unit.
2. The system of claim 1, further comprising:
a camera switching unit, the camera switching unit is used for sending a camera switching request to the host control unit, the camera switching request includes: carriage number and camera number;
the host control unit is used for receiving the camera switching request sent by the camera switching unit and sending video information corresponding to the camera to the display unit according to the camera switching request.
3. The system of claim 1, further comprising:
a video playback unit to send a video request to the host control unit, the video request comprising: the carriage number, the camera number and the time information are sent to a display unit;
the host control unit is used for receiving the video request sent by the video playback unit and sending corresponding video information to the video playback unit according to the request.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811314642.3A CN109532952B (en) | 2018-11-06 | 2018-11-06 | Intelligent display monitoring system for urban rail vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811314642.3A CN109532952B (en) | 2018-11-06 | 2018-11-06 | Intelligent display monitoring system for urban rail vehicle |
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| CN109532952A CN109532952A (en) | 2019-03-29 |
| CN109532952B true CN109532952B (en) | 2021-02-26 |
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| CN201811314642.3A Active CN109532952B (en) | 2018-11-06 | 2018-11-06 | Intelligent display monitoring system for urban rail vehicle |
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Inventor after: Pan Guobin Inventor after: Jiang Zhe Inventor after: Jiang Zheng Inventor after: Qu Changping Inventor after: Guan Ying Inventor after: Chen Chuang Inventor after: Yu Jian Inventor after: Chen Guangtai Inventor after: Wang Chao Inventor after: Wang Qingchuan Inventor before: Pan Guobin Inventor before: Jiang Zhe Inventor before: Jiang Zheng |
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