CN1620140A - Embedded mobile image real-time monitoring device - Google Patents

Abstract

A embedded type mobile image real time monitoring device refers to a image monitoring system using public mobile communication network(MIRS), whose monitor terminal equipment contains analog video camera, digital camera head, pan head controller, the monitoring center contains embedded type mainboard and wireless signal transmission circuit, the digital camera head is connected with embedded mainboard by USB, the analog video camera is connected with embedded mainboard by video interface or connected with serial port of embedded mainboard by video D/A conversion board, wireless modem and pan head are connected with embedded mainboard which is used as the core of all equipment, whose first serial port output end is connected with peripheral wireless modem, second serial port output end is connected with peripheral pan head, USB is connected with peripheral digital camera head, video decoder is connected with peripheral analog camera.

Description

Embedded mobile image real time monitoring device

Technical field

The present invention relates to a kind of mobile image real time monitoring system (MIRS) that utilizes mobile communication public network, public telephone communication network and the Internet to realize, belong to the technical field of security monitoring.

Background technology

The image real-time monitoring system is a kind of modernized high-tech product, is widely used in the real time information feedback in bank note transport car, state coach and various urgent burst accidents place.This product mainly partly is made up of video acquisition, video information transmission, Image Information Processing etc.Video acquisition part adopts video camera to come acquisition monitoring information usually, and after monitor message handled accordingly, is sent to Surveillance center through the video information hop, comes processing image information by Surveillance center, recovers to reproduce monitor message.In some special places, for example in the urgent place such as moving target, fire, traffic accident, adopt the remote real-time monitoring system of wireless mode, can be accurately, timely field condition is fed back to Surveillance center.Be convenient to Surveillance center and send corresponding indication to field rescue department according to field condition.

At present, be used for the wireless remote real-time monitoring system in special places such as urgent burst accident, adopt microwave transmission system to realize the transmission of video information usually.The microwave transmission system transmission rate is fast, can satisfy the requirement of video transmission.But microwave transmission system is with high costs, the equipment complexity, and volume is big, and transmitting power is big, and needs to transmit in sighting distance, and transmission path requires harsh; If between monitoring place and Surveillance center barrier is arranged, then need between Surveillance center and monitoring place, to set up some vehicle-mounted microwave relay stations; And when utilizing aforesaid way to realize remote monitoring, require the Surveillance center geographical position to fix, make the practical application of wireless remote monitering be very restricted.

Summary of the invention

Technical problem: the objective of the invention is to: propose a kind of embedded mobile image real time monitoring device, make the wireless image remote monitoring can utilize existing mobile communication public network, the limited bandwidth of public telephone network and the Internet that monitor message is transferred to Surveillance center, adopt embedded technology, make the equipment volume miniaturization, stability improves, reduce system cost simultaneously, improved the mobility of frequency image monitoring system, easy to utilize.

Technical scheme: in order to reach above purpose, embedded mobile image real time monitoring device of the present invention, form by monitoring terminal equipment and the two large divisions of Surveillance center, monitoring terminal equipment comprises analog video camera, digital camera, cradle head control device, and Surveillance center comprises embedded main board and wireless signal transmission circuit; Digital camera is that USB interface links to each other with embedded main board by USB, analog video camera links to each other with embedded main board by video interface, or link to each other with the serial ports of embedded main board through video simulation/digital conversion plate, radio modem links to each other with embedded main board with the cradle head control device; Concrete method of attachment is to adopt the core of embedded main board as entire equipment, the output of the first serial of embedded main board joins with the radio modem of periphery, the output of the 2nd serial ports joins with the cradle head control device of periphery, the digital camera of USB interface and periphery joins, and Video Decoder joins with the analog video camera of periphery.Embedded main board is core with the microprocessor, its bus is joined with internal memory, flash memory, network interface control chip respectively, the output of microprocessor connects first serial, touch-screen, liquid crystal display screen, the 2nd serial ports respectively, and the input of microprocessor connects Video Decoder, USB interface respectively.Described analog video camera is by the Video Decoder in video (video) interface (TITVP5146 video decoder) the access embedded main board, and digital camera is by the microprocessor in the general-purpose serial bus USB interface access embedded main board.

The present invention relates to a kind of frequency image monitoring system (MIRS) that utilizes the mobile communication public network to realize, the mobile communication public network refers to public mobile communication network or the public wireless access network by operation such as China Mobile or CHINAUNICOM.The monitoring terminal of this equipment comprises camera (digital camera or simulation camera), cradle head control device, embedded main board and wireless signal transmission circuit.Digital camera is received on the embedded main board by USB (USB) interface, and the simulation camera is received on the embedded main board by analog video interface and also can be linked to each other with mainboard through video a/d (analog/digital) converter plate; The cradle head control device links to each other with a serial ports of embedded main board; Wireless signal transmission circuit links to each other with another serial ports of embedded main board.Camera is responsible for acquisition of image data, and embedded main board is finished the coding of image, is sent by wireless signal transmission circuit again.The watch-dog of Surveillance center can be realized the remote real-time monitoring management after receiving the image/video signals of wireless transmission by mobile public network mobile networks such as (or) Personal Handyphone Systems and internet.The treatment facility of Surveillance center contains can be from Email or FTP (file transfer protocol (FTP)) server download message or computer equipment and the corresponding software and the image display of receiving information through public communication network.Video or image that the treatment facility of Surveillance center is photographed vehicle-mounted pick-up equipment are presented on the indicator screen of Surveillance center in real time.At this moment, Surveillance center and internet are wired connection.Surveillance center also can only link to each other with the monitoring terminal of equipment through mobile public network, can realize the Surveillance center that moves this moment.Simultaneously, Surveillance center also can pass through used communication network to the monitoring terminal transmitting control commands, as the resolution of vision signal is set and adjusts focal length, controls the orientation and the scope of supervision by the cradle head control device.Because the present invention has adopted embedded technology, and the monitoring terminal volume is dwindled greatly, and stability is fine, and adopts mobile public network signal transmission form, can be used for the multiple network environment, need not to set up the dedicated transmissions circuit.Only need extremely low cost just can realize the remote live video monitoring.

Beneficial effect: embedded mobile image real time monitoring equipment of the present invention has adopted the core of embedded main board as entire equipment, has dwindled equipment volume, has improved the stability of equipment.This system can be widely used in the real-time monitoring of important goals such as bank note transport car, honored guest fleet through situation in condition of road surface and the car, also can be widely used in on-the-spot supervision and control such as traffic accident, fire, floods, rescue.System can be real-time transmitted to monitoring image the control and command center automatically, with the situation of overall understanding target to be monitored or rescue site.

As long as the watch-dog of Surveillance center can be connected to the internet, can realize and the identical monitoring function of wire transmission.Camera collection, is sent by wireless signal transmission circuit after the compressed encoding processing to data.After the watch-dog of Surveillance center receives image/video signals, can realize remote monitoring and administration.Simultaneously, Surveillance center also can be by the internet to the monitor terminal transmitting control commands, as the resolution of vision signal, picture quality, coverage, direction of observation etc.Because volume of the present invention is little, need not to set up transmission line, therefore saved engineering cost greatly, reduced the facility cost, more help applying.

Description of drawings

Fig. 1 is a general structure block diagram of the present invention,

Fig. 2 is a device application structure schematic diagram of the present invention.

Fig. 3 is cradle head control device 7 circuit diagrams of autonomous Design in the equipment

Fig. 4 is video decoding chip 8 circuit diagrams.

Have among the above figure:simulation camera 1, digital camera 2, embedded main board the 3, the 1st serial ports 4, second serial 5, radio modem 6, cradle head control device 7, Video Decoder 8, microprocessor 9,flash memory 10,internal memory 11, liquid crystal display screen 12, usb 13, power supply unit 14, touch-screen 15, network interface control chip 16.

Embodiment

Embedded mobile image real time monitoring device of the present invention, form by monitoring terminal equipment and the two large divisions of Surveillance center, it is characterized in that: monitoring terminal equipment comprisesanalog video camera 1, digital camera 2, cradle head control device 7, and Surveillance center comprises embedded main board 3 and wireless signal transmission circuit; Digital camera 2 is that usb 13 links to each other with embedded main board 3 by USB,analog video camera 1 links to each other with embedded main board 3 by video interface, or link to each other with the serial ports of embedded main board 3 through video simulation/digital conversion plate, radio modem 6 links to each other with embedded main board 3 with cradle head control device 7; Concrete method of attachment is to adopt the core of embedded main board 3 as entire equipment, the output of the first serial 4 of embedded main board 3 joins with the radio modem 6 of periphery, the output of the 2nd serial ports 5 joins with the cradle head control device 7 of periphery, usb 13 joins with the digital camera 2 of periphery, and Video Decoder 8 joins with the analog video camera (1) of periphery.Embedded main board 3 is a core with microprocessor 9, its bus is joined withinternal memory 11,flash memory 10, network interface control chip 16 respectively, the output of microprocessor 9 connects first serial 4, touch-screen 15, liquid crystal display screen the 12, the 2nd serial ports 5 respectively, and the input of microprocessor 9 connects Video Decoder 8, usb 13 respectively.Describedanalog video camera 1 is by the Video Decoder 8 in video (video) interface (TITVP5 146 video decoder) the access embedded main board 3, the microprocessor 9 that digital camera 2 inserts in the embedded main boards 3 by general-purpose serial bus USB interface 13.Described embedded main board CPU uses S3C2410; Described wireless signal transmission circuit is CDMA/GPRS/ Personal Handyphone System/WLAN Modem; Described cradle head control device uses a single-chip microcomputer to link to each other with a serial ports of embedded main board; Described CDMA/GPRS/ Personal Handyphone System/WLANModem links to each other with another serial ports of embedded main board.Embedded main board 3 models are HHARM 2410R3, and microprocessor 9 models are S3C 2420, and the network interface control chip is DM9000.Liquid crystal display screen 12 and touch-screen 15 for embedded main board 3 with accessory.

The monitoring terminal of present embodiment utilizes radio modem 6 to dial up on the telephone to keep online all the time.When Surveillance center need receive image/video signals, to the order of monitoring terminal transmission images/video information, the embedded main board 3 of present embodiment was started working automatically, openscamera 1, data download from camera 1.Embedded main board 3 carries out the image/video data format conversion with the data that receive, and also can not change; Afterwards image/video data is sent to the Surveillance center of appointment.After finishing, transmission waits for that the new order of Surveillance center arrives.Simultaneously, Surveillance center can also send order and come the control of video quality, the rotation direction of resolution and The Cloud Terrace, and and then control camera direction.By the above-mentioned course of work, present embodiment can by the requirement of Surveillance center, under the control of embedded main board, by radio modem, send to Surveillance center through mobile telephone network (or local network) automatically with monitored picture.

Present embodiment both can images also can transmission of video, embodied the diversity of monitor mode.And utilize existing mobile public network (or local network) and internet to realize transmission of Information, thereby make whole system easy, efficient, cost significantly reduces.This equipment can be used for multiple occasions such as mobile or fixing, and Surveillance center also can be portable or fixed work.

Because present embodiment is from camera, embedded main board adopts existing combination of devices to form to wireless signal transmission circuit fully, and has utilized common moving or fixed telephone network to transmit dexterously, and is therefore practical, real time implementation degree height, cost is very economical.

Claims (3)

1, a kind of embedded mobile image real time monitoring device, form by monitoring terminal equipment and the two large divisions of Surveillance center, it is characterized in that: monitoring terminal equipment comprises analog video camera (1), digital camera (2), cradle head control device (7), and Surveillance center comprises embedded main board (3) and wireless signal transmission circuit; Digital camera (2) is that the same embedded main board of USB interface (13) (3) links to each other by USB, analog video camera (1) links to each other by the same embedded main board of video interface (3), or link to each other through the serial ports of video simulation/digital conversion plate with embedded main board (3), radio modem (6) links to each other with the same embedded main board of cradle head control device (7) (3); Concrete method of attachment is to adopt the core of embedded main board (3) as entire equipment, the output of the first serial (4) of embedded main board (3) joins with the radio modem (6) of periphery, the output of the 2nd serial ports (5) joins with the cradle head control device (7) of periphery, the digital camera (2) of USB interface (13) and periphery joins, and Video Decoder (8) joins with the analog video camera (1) of periphery.

2, according to the described embedded mobile image real time monitoring device of claim 1, it is characterized in that: embedded main board (3) is a core with microprocessor (9), its bus is joined with internal memory (11), flash memory (10), network interface control chip (16) respectively, the output of microprocessor (9) connects first serial (4), touch-screen (15), liquid crystal display screen (12), the 2nd serial ports (5) respectively, and the input of microprocessor (9) connects Video Decoder (8), USB interface (13) respectively.

3, according to claim 1 or 2 described embedded mobile image real time monitoring devices, it is characterized in that: described analog video camera (1) is by the Video Decoder (8) in video video interface " TTTVP5146 video decoder " the access embedded main board (3), and digital camera (2) is by the microprocessor (9) in general-purpose serial bus USB interface (13) the access embedded main board (3).

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