| We are taking into account the reality that the People's Armed Polices who are on duty do not perform their responsibility well .The " common disease" and" frequently-occurring disease" remain incessant after repeated prohibition during duty. It combines the characteristics of People's Armed Police research and development whistle consult the duty monitoring system by location multimedia. Systematic coming into operation makes the way on duty of People's Armed Police produce the leap of the quality. " common disease"," frequently-occurring disease" have gotten the effective containment, The regular degree on duty and safety coefficient of the goal have been improved obviously.Police check duty monitoring systems utilize computer technology by multimedia sentry post, Collect communication, report to the police, control, check duty management, file transfer in the integrative automated system, The system has satisfied the demand of managing and daily management on duty of comprehensive army that the location communication of the sentry post , monitoring system can't be simple and direct overall in the past, the system has already realized the communication with integrated audio video between the guards' room of the duty and sentry post and then reported to the police, The picture and text have the vivid image show , which can inquire about the video and record while reporting to the police promptly and checking conveniently swiftly . Besides, the system can also carry on file transfer etc. Meanwhile, the system also realizes accessing by long-distance. The superior can access to the ordinary system, the supervisory control host computer, the condition of checking the duty and the situation of the sentry post by ordinary telephone wire or ISDN, ADLS special line. The system has eight chief functions :Control and monitor function, Call out and report to the police function, record and video function, check the on duty function, file transfer function, artificial and broadcasts the bugle automatically by long-distance.. This system has five characteristics: First, the information is gathered conveniently; Second, the privacy is good; Third, the quality of the picture is high, systematic stability is strong; Fourth, requires for the transmit medium is low, it is easy to organize networks; fifth, the expanding of the system is perfect. In the realization of the system, the function is the combination of hardware and software. Hardware partly include multimedia computer, Check control host computer, control and monitor machine, sentry post cameras, cloud platform ( spheres all in camera) Equipment, such as a controller of cloud and infrared lamp etc.. Multimedia computer is the main part of the control system, which adopt asynchronous communication to realize the control of communications of host computer through RS—232 , video card is received and come from the video signals of host computer through video, After dealing with the video signal, they will be showed on the screen of the computer. The signal is received, delivered and pronounced through the sonic card, and then realized communication among the sentry. The control host computer is a key part of the system including CPU, video controller, etc.. CPU adopts RS—232 processors, which keeps in touch with the computer through serial port and adopts asynchronism communication, the receive and delivery adopt inquiry control model. 8051 controls video and audio through parallel of P0 and P1.The control about the monitor of the computer is realized through P1,P3.1,P3.2,P3.3 and Expand chip of 74ls1388 and 74ls244.Supervisory control on the sub computer is the main part of the system, including CPU, the camera of sentry post , Sentry post checking machines, cloud platform, cloud platform controller and infrared lamp etc. CPU adopt processors of 8051, it communicates with the host computer through parallel port P0. It controls the camera of sentry post, Sentry post checking machines, cloud platform, cloud platform controller and infrared...
|
PDF Full Text Request