CN201520252U

CN201520252U - Vehicle-mounted monitoring video system

Info

Publication number: CN201520252U
Application number: CN2009202168694U
Authority: CN
Inventors: 盛戎华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-09-23
Filing date: 2009-09-23
Publication date: 2010-07-07
Anticipated expiration: 2019-09-23

Abstract

The utility model discloses a vehicle-mounted monitoring video system. A USB network is configured in a vehicle, a plurality of USB interface cameras are connected, and a general notebook computer is connected in the USB network in the vehicle, thus completing the functions of capturing, compressing and storing images. Therefore, the vehicle-mounted monitoring video system achieves the purposes of taking the vehicle as a center, and recording and monitoring the dynamic environment at the periphery of the vehicle when the vehicle is driven or parked, thus protecting the benefits of a driver and an owner of the vehicle.

Description

The vehicle-mounted monitoring video recording system

Affiliated technical field

The utility model relates to a kind of system of automatic registration of vehicle external dynamic scene.With the vehicle is the center, in vehicle ' and record when berthing, the dynamic environment of monitoring round of vehicle.

Background technology

At present, the road monitoring system, the parking area monitoring system all is the monitoring point of fixing, and can not cover most environment.In the place that does not have these monitoring points, the traffic accident of appearance, vehicle is robbed the robber, and pictorial information is not for evidence obtaining when having relevant incident.For vehicle, this is a passive monitoring.For the vehicle owner, this passive monitoring also has the difficult problem of evidence obtaining, and the owner of monitoring video may cause making full use of this passive monitoring because various reasons do not provide or mismatch.

Summary of the invention

The utility model provides a kind of active monitoring, is with the ambient environment monitored control system by vehicle self, is to be the monitoring video recording system of visual angle departure point with the vehicle, to the vehicle of this system is installed,, all has monitoring video to look in any place.The car owner is the owner of supervisory video recording system, also is the owner of monitoring video information.

The technical scheme that its technical matters that solves the utility model adopts is: the vehicle-mounted monitoring video recording system is by one or more monitoring video points (USB interface camera), a computing machine (is done portable connection with notebook, or with the industrial computer connection that fixes), one group of USB panel button, and in car, form by a USB network of USBHUB structure.To monitor with the USB camera and externally be placed in the outer or railway carriage of vehicle body, concrete riding position, the effect demand based on different automobile types and video recording can have multiple scheme.

At this with the left and right sides inferior horn in the Windshield before and after being placed in the car, totally 4 video recording points, notebook is that example illustrates detailed construction as server.USBHUB, the USB interface camera, the USB panel and keypad all is fixedly mounted in the car, and constitutes the connection of USB network.Opened application service in the portable notebook computing machine, when needs use, inserted the USB network, as USBHOST and recording monitor server, power supply USB network, start and identification USB interface camera automatically, the USB interface keyboard, application service with them as peripheral hardware.

" beginning video recording " instruction (can or provide automatically in vehicle launch descendant control) of panel button is read in the application service of notebook by the USB network, begin to record a video and catch the pictorial information of camera, do image compression, generate the compressed image file with Fixed Time Interval, be stored in computer file system.Above process is carried out simultaneously to the multichannel camera." stop video recording " instruction back (arriving the destination at vehicle, the back of stopping) that application service is read the USB panel button by the USB network will the compressed image in buffer memory deposits the file when front opening in, stops video recording and catches.By " taking computing machine away " instruction of USB panel button, application service will be called the safe deleting hardware process, delete the USB interface camera automatically, and the USB interface keyboard can be taken notebook away afterwards, leaves automobile.In the whole like this driving process, the situation of outside vehicle has all been done monitoring and has been taken, and information can back up, or access at any time in computing machine.

For stoppage of vehicle, the people is the situation in car not.Pictorial data is lost with computing machine in the car when preventing that vehicle is stolen, needs immediately data are spread out of, and stores in the webserver.This situation needs computing machine to support radio interconnected net to connect.Press " remote monitor and control " instruction of USB panel button, application program will connect remote server by the Internet, begin to record a video to catch the pictorial information of camera, do the degree of depth by the network speed server instruction, and slow frame image compression is passed to server with compression result.Server will be recorded in stoppage of vehicle therebetween like this, and who is near vehicle, tracking clue and evidence after losing as vehicle.

The beneficial effects of the utility model are, can write down in the driving process easily or during stoppage of vehicle, the environmental image of vehicle-surroundings needs the driver to get involved hardly, and simple in structure, with low cost, effectiveness is huge.

Description of drawings

Below in conjunction with accompanying drawing and a simple embodiment the utility model is further specified.

Fig. 1 vehicle-mounted monitoring video recording system structured flowchart

Fig. 2 is vehicle-mounted monitoring video recording system USBHUB schematic circuit diagram, is used for constituting the USB network.

Fig. 3 is a software architecture diagram in the vehicle-mounted monitoring video recording system.

The specific embodiment

In Fig. 1, place two cameras in the front part sides of car, camera should select for use the visual angle big, the frame rate height, power consumption is little.It is two angles that place it in behind the front screen that riding position can have multiple choices the simplest, can influence visibility, but does not have the dust influence.Place two other camera at the rear portion of car equally.All cameras are all external.USBHUB and USB interface keyboard can be placed in the control panel of car, or make independently that the instrument box is placed on the control panel.Select for use the subnotebook of 9 cun screens to be connected to USBHUB, this notebook PC only just is connected into the USB network when needs use, can not take away when not driving at ordinary times.

Figure 2 shows that the schematic circuit diagram of USBHUB, select special IC for use, by with PC bonded assembly USB cable power supply, and give descending USB interface power supply by USB cable.7 descending USB interfaces are provided altogether, and 4 cameras add 1 USB interface keyboard and have used 5, and remaining two can add some other functions as required, as global position system GPS etc.

Fig. 3 is a PC side application software module map.

Main control module mainly is the normal operation of each module of control, and each module is carried out the actv. management, carries out some as the initialization monitored control system, the work that device enumeration etc. are necessary.

USB device drives, control module.Identification camera equipment, and distinguish position all around by different PID; Identification USB keyboard, and in application program the entry condition of other parts (except that visual playing module).

Image surveillance and trapping module, image compression module, image storage, image file administration module.With the Windows Media encoder class libraries that calls Microsoft serves as to realize the basis, makes full use of the object-oriented programming means, finishes complicated function.System is when preserving video file, and with time of document creation part as filename, and the video file that different pick up cameras is taken the photograph is kept in the different catalogues.In listed files, can realize easily like this inquiring about video file by year, month, day, time period and pick up camera.If be added with the GPS module, can also in video file, comprise the latitude and longitude information of start time point.

The image playing module.Support multichannel to play simultaneously.Be the basis by the Windows Media Player class libraries that calls Microsoft, use the object-oriented programming means to realize.

The user is provided with, interface module.Main by the USBHID class, finish the reading of USB keyboard, produce system event, with each program module of event-driven and class thereof.

Claims

1. a supervisory video recording system in automobile, writes down the image of environment surrounding automobile when driving a vehicle or stopping, and it is characterized in that: by the USB network, connect a plurality of USB interface cameras, take also record of vehicle periphery image.

2. supervisory video recording system according to claim 1 is characterized in that: general notebook is connected into USB network in the car, finishes catching image, compression, memory image informational function.