CN201243367Y - Vehicle-mounted monitoring apparatus - Google Patents
Vehicle-mounted monitoring apparatus Download PDFInfo
- Publication number
- CN201243367Y CN201243367Y CNU2008201515838U CN200820151583U CN201243367Y CN 201243367 Y CN201243367 Y CN 201243367Y CN U2008201515838 U CNU2008201515838 U CN U2008201515838U CN 200820151583 U CN200820151583 U CN 200820151583U CN 201243367 Y CN201243367 Y CN 201243367Y
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- vehicle
- monitoring device
- system host
- video
- vidicons
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model pertains to monitoring devices and in particular relates to an on-vehicle monitoring device which comprises system mainframes, a monitor and vidicons. The system mainframes are respectively connected to the monitor and the vidicons. The on-vehicle monitoring device is characterized in that the on-vehicle monitoring device is provided with two sets of identical system mainframes; a plurality of vidicons are arranged between the two system mainframes; both system mainframes can conduct data transmission with all the vidicons; and the vidicons are connected with a video treatment and storage device(SDVR). The on-vehicle monitoring device has the advantages that the on-vehicle monitoring device can monitor the whole area of the carriage of the vehicle without dead zone; the vehicle door is seamlessly connected with a platform, so data transmission is safe and reliable; the man-machine interface is friendly, simple, and convenient to operate and maintain; and the system is provided in advance with interfaces for a Train Control and Management System (TCMS) and a Passenger Information System(PIS).
Description
Technical field
The utility model relates to the supervising device class, is specifically related to a kind of vehicle-mounted monitoring device, and this device is that collection image digitization coding techniques, intelligent video analysis technology and wideband transmit technology are the total digitalization of one, intelligent and networked vehicle-mounted monitoring device.
Background technology
Along with the rapid rising of expanding economy and urban population, urban transport problems is severe day by day.For alleviate traffic pressure China in Beijing, each big city such as Shanghai, Tianjin, Guangzhou, Chongqing, Changchun, Dalian, Shenzhen, Wuhan, Nanjing have built rail transit network one after another, this has improved the efficient of citizens' activities greatly, has promoted process of urbanization.But, make a general survey of the development history of global track traffic, the safety precaution problem of track traffic, especially subway system is to build and administrative department faces stern challenge always.
The track traffic video monitoring system is to the running status of real-time monitoring Rail Transit System, in time hold logistics, stream of people's situation of each website of track traffic, respond actively the accident that may occur and afterwards evidence obtaining all bringing into play irreplaceable effect.Usually the track traffic video monitoring system is mainly become by 4 groups of subsystems: control centre's watchdog subsystem, station watchdog subsystem, onboard subsystem and car ground transmission subsystem.
In Chinese large-sized, ultra-large type city, the track traffic for passenger flow amount is very big, and peak period on and off duty, the compartment was very crowded, and is overstaffed especially during long holidays " golden week ".Though at present malignant event of overall importance does not take place as yet, artificial in the compartment, non-artificial accident happens occasionally, and takes precautions against in possible trouble, it is extremely urgent to study solutions such as rational train-installed video monitoring, intelligent alarm, car ground real time communication.
Summary of the invention
The purpose of this utility model is according to above-mentioned the deficiencies in the prior art part, a kind of vehicle-mounted monitoring device is provided, this device adopts symmetrical structure, identical two complete equipments are installed in two drivers' cabs of initial and end, satisfy the monitoring of uplink and downlink vehicle, the transfer of data between the compartment adopts wired connection channel unit or radio link channel equipment.
The utility model purpose realizes being finished by following technical scheme:
A kind of vehicle-mounted monitoring device, this device comprises system host, display and video camera, system host connects display and video camera respectively, it is characterized in that this device is provided with the identical system host of two covers, some video cameras are set between system host and the system host, each main frame can and each video camera between carry out transfer of data, described video camera connects Video processing and memory device (SDVR).
Described system host is connected with LCDs.
Described system host is reserved with and the alarm interlock interface of existing vehicle-mounted Train Control management system (TCMS) and the wireless transfer channel interface of ground passenger information service system (PIS).
The utility model has the advantages that the compartment monitors non-blind area, car door and platform seamless link, data transmission security is reliable; Man-machine interface close friend, easy and simple to handle, be convenient to O﹠M; The interface of system's reservation and TCMS, PIS.
Description of drawings
Fig. 1 is the utility model system basic composition level;
Fig. 2 is the utility model systematic schematic diagram;
Fig. 3 the utility model vehicle all standing schematic diagram;
Wire transmission mode schematic diagram between Fig. 4 the utility model compartment;
Wireless transmission method schematic diagram between Fig. 5 the utility model compartment;
Fig. 6 the utility model system power supply is distributed schematic diagram.
Embodiment
The utility model feature and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:
Shown in Fig. 1-6, label 1-5 represents respectively: the static omnidirectional vision camera of guest room inwall 1,360 degree position 2, single camera covering radius 3, passenger door (totally 5 pairs) 4, front and back run-through channel car door 5, C1, C2, C3 are camera.
Present embodiment is divided into three levels: video acquisition layer, Video processing and transport layer, data application layer.Wherein video acquisition layer equipment is video camera; Data processing and transport layer equipment comprise SDVR (Video processing and memory device), information exchange module, network interface channel equipment etc.; Data application layer equipment is video server, lcd touch display screen etc.Two drivers' cabs are respectively established a cover system main frame, a lcd touch panel type display and a thermal camera, equidistant respectively installation the in top, every joint guest room spent static full visual angle video cameras for 3 360, the one cover video processing equipment and the network equipment is installed in the trough, all devices is in logic by the Fast Ethernet interconnection, and system host is reserved with and the alarm interlock interface of existing vehicle-mounted TCMS (Train Control management system) and the wireless transfer channel interface of ground PIS (passenger information service system).
Present embodiment is when work, as long as system powers on, all video cameras are just in running order, after SDVR comes in the video information collection of all affiliated separately video cameras, data divide two-way to handle: leading up to inner parallel channel delivers to vehicle-mounted hard disks, is used for real-time storage; Another road is delivered to system host by the express network interface and is used for real-time display frame.The data that system host is sent here except treatment S DVR are also wanted the running status of monitoring system, and are made response according to operator's instruction at any time in the real-time display frame of LCD.In case have emergency (as operate a switch etc.) or anomalous event to take place, by form and the vehicle-mounted TCMS interlock of node conditioned disjunction with network data, the video image that triggers this joint compartment at once is presented on the LCD screen.
Whenever the iron rail vehicle length that saves land is 21 meters, and the effective monitoring radius of each passenger car video camera is 3.5 meters, every joint car equidistantly 3 video cameras of configuration can realize that 100% of compartment effectively covers, and therefore, system can clearly illustrate the situation of all personnel's activity in the monitoring range.
As shown in Figure 3, because monitoring picture can splice continuously between adjacent camera, and the monitoring image of the video camera of vehicle-mounted vidicon and platform can be realized seamless link (the particularly inside and outside both sides of shield door), therefore the movement track of monitored object from the platform to the compartment can be caught fully, thoroughly eliminated the vehicle-mounted monitoring blind area, perfect track traffic video monitoring system.
Wire transmission can be adopted between the compartment, also wireless transmission can be adopted.
Can adopt special-purpose Fast Ethernet cable direct interconnection between the compartment.Advantage is: system stability performance height, transmission bandwidth height.Shortcoming: be unfavorable for that car body tears volume open, and require that enough line resources are arranged between the compartment, need with the integrated consideration design of the other system of vehicle.
If do not lay client cables between the compartment, data are by the transmission of wireless high-speed Ethernet.Advantage: make things convenient for vehicle to tear volume open, less to the intervention influence of vehicle existing equipment.Shortcoming: need be in per two joint car junctions, a wireless connector is respectively installed at two ends, bottom, compartment, realizes a point-interconnection, and cost is higher relatively.
At the structure and the operation characteristic of subway train, the pattern that the present embodiment framework adopts distributed storage to combine with centralized management.Independent SDVR of every joint compartment configuration; be responsible for the storage of coupled camera review; the IMAQ of every joint car and the independence of storage have been guaranteed like this; help avoiding the system crash that brings because of network and transmission and adjacent vehicle trouble etc. or the incomplete problem of Video Document, for the accident fix duty analysis after having an accident provides foundation directly perceived.After each discrete vehicle is organized into row, by system host configuration train IP can with each independently SDVR form organic system, main frame is by the monitoring software management and call the image document of each SDVR, realizes centralized management, and is convenient to operation.
The present embodiment drivers' cab adopts active infrared camera, even also can normally monitor under the situation of no daylighting or low-light (level).Adopt video camera in the compartment, realize that non-blind area covers with the static comprehensive camera technique of 360 degree.Whole monitoring system adopts unified clock source, and the image definition height, the time delay that collect are little.
Needs at railway car dilatation and flexible marshalling, the IP address that every joint compartment takies is no more than 2, and realized that number in the compartment and the direct correlation of IP address of equipment, not only saved the IP resource, also be convenient to upper wire administrative staff's operation regulation and control, improve operating efficiency greatly, made things convenient for system configuration and system maintenance.
Supervisory control system is supported H.264 image digitization compress technique, and the video flowing storage of D1 form supports the net blit to be not less than the CIF form as resolution, to moving omnidistance image record, frame speed is no less than 12frame/s, and 15 days recorded and stored time is to satisfy the needs of post-survey.
Present embodiment is in concrete work, when if the video processing equipment of each node of system breaks down, only lose the function relevant with this node, and do not influence the normal operation of other node device, the video storage hard disk that is adopted can be stored continuously, automatic segmentation, no disk fragments, and hard disk is not in resting state automatically when having read-write, failure rate is low, long service life.
Developing direction at metro operation characteristics and track traffic customer service, present embodiment has taken into full account and the compatibility of other system and the autgmentability of self, upwards be reserved with the broadband wireless communications interface that carries out transfer of data with ground control centre (as: PIS), be reserved with the MVB wired communication interface that carries out transfer of data with mobile unit management control (as: TCMS) downwards.
The broadband wireless communications interface of reserving that docks with ground PIS can be supported the monitor of each PIS upper wire system node, and can freely show the monitoring image of choosing video camera.
The MVB communication interface of reserving; can realize the exchanges data of TSS system and TCMS system; finish train emergency call, promptly the operate a switch braking etc. and the interlock of video monitoring system; the help driver in time grasps the guest room situation and adopts an effective measure; the loss that fault or disaster are brought drops to minimum as far as possible, protects numerous passengers' safety.
Monitoring software is installed in the system host, and the LCD monitor adopts touch-screen, and operation interface is simple and clear, understandable, is divided into monitoring (driving) and maintenance (maintenance) two kinds of patterns.
LCD normality display monitoring picture (in order not disperse driver attention, influencing normal driving) not under the monitoring mode takes place or artificially touches LCD to activate the display monitoring picture just have only when abnormal conditions.
The operator can click coach number as required and check the monitored picture of specifying the compartment.Simultaneously, in case have abnormal conditions can be automatically display alarm information in real time.
Monitor is except showing primary image, and also additional informations such as stack demonstration coach number, camera number serve, date and time, and the stack of character do not influence image and show and record effect that picture quality meets more than the DB31/329.7-2007 level Four level.
Claims (3)
1. vehicle-mounted monitoring device, this device comprises system host, display and video camera, system host connects display and video camera respectively, it is characterized in that this device is provided with the identical system host of two covers, some video cameras are set between system host and the system host, each main frame can and each video camera between carry out transfer of data, described video camera connects Video processing and memory device (SDVR).
2. a kind of vehicle-mounted monitoring device according to claim 1 is characterized in that described system host is connected with LCDs.
3. a kind of vehicle-mounted monitoring device according to claim 1 is characterized in that described system host is reserved with and the alarm interlock interface of existing vehicle-mounted Train Control management system (TCMS) and the wireless transfer channel interface of ground passenger information service system (PIS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201515838U CN201243367Y (en) | 2008-08-01 | 2008-08-01 | Vehicle-mounted monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201515838U CN201243367Y (en) | 2008-08-01 | 2008-08-01 | Vehicle-mounted monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201243367Y true CN201243367Y (en) | 2009-05-20 |
Family
ID=40716661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201515838U Expired - Lifetime CN201243367Y (en) | 2008-08-01 | 2008-08-01 | Vehicle-mounted monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201243367Y (en) |
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2008
- 2008-08-01 CN CNU2008201515838U patent/CN201243367Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI RAILWAY COMMUNICATION CO., LTD. Free format text: FORMER NAME: SHANGHAI RAILWAY COMMUNICATION FACTORY |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200071 No. 489, Tibet North Road, Shanghai Patentee after: Shanghai Railway Communication Co., Ltd. Address before: 200071 No. 489, Tibet North Road, Shanghai Patentee before: Shanghai Railway Communication Factory |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |