CN201298294Y

CN201298294Y - Electronic police snap device with traffic statistic function based on Linux system

Info

Publication number: CN201298294Y
Application number: CNU2008201688076U
Authority: CN
Inventors: 文建斌; 许明洪; 王毅峰
Original assignee: HANGZHOU PULE TECHNOLOGY Co Ltd
Current assignee: HANGZHOU PULE TECHNOLOGY Co Ltd
Priority date: 2008-11-26
Filing date: 2008-11-26
Publication date: 2009-08-26
Anticipated expiration: 2018-11-26

Abstract

The utility model relates to an electronic police snap device with traffic statistic function based on a Linux system, comprising an industrial control mainboard which is internally provided with a Linux operating system; the industrial control mainboard is connected with a special data transferring module, an indicator panel output module, a video capture board and other detection signal receiving modules; and the special data transferring module is also connected with a special vehicle detection module, a red signal capture module, a flash lamp and a video camera. The special data transferring module comprises a singe chip computer module which is connected with a serial port chip, optical couplers and a separate video synchronous signal module, wherein a group of optical couplers is connected with the red signal capture module, and the serial port chip and parts of optical couplers are connected with the special vehicle detection module. The utility model has unique traffic detection function, can distinguish the types of vehicles and snap motor vehicles which are restricted to drive, and has the unique function that a plurality of detection equipment coordinate to detect with networking coordination in the whole city, convenient and rapid management as well as stable and reliable system.

Description

Electric police grasp shoot device based on linux system band traffic statistics function

Technical field

The utility model relates to the intelligent traffic administration system technical field, relates in particular to a kind of electric police grasp shoot device based on linux system band traffic statistics function.

Background technology

The existing industrial computer electron-like police grasp shoot device that makes a dash across the red light, usually constitute by industrial computer, video frequency collection card, wagon detector and industrial camera, reload Windows operating system, write the control application software and finish, support local area network communication, serial-port communication.The weak point of this device is: system's instability, and systems such as the blue screen machine phenomenon of delaying often appears, and system reliability is poor, and maintenance is big.And the general network grasp shoot device adopts the all-in-one pattern, and dedicated system software is installed, and its weak point is: a little less than the system extension performance, and function singleness.

Summary of the invention

The utility model is in order to solve the problems of the technologies described above, a kind of electric police grasp shoot device based on linux system band traffic statistics function is provided, it adopts cutting voluntarily, recompilates the (SuSE) Linux OS of kernel, support data channel to encrypt to guarantee data transmission security, system carries software firewall system after the optimization with safeguards system safety, supports to carry out on-site supervision by serial line interface and network interface.

Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the technical grade control main board that (SuSE) Linux OS is arranged in the utility model comprises, described technical grade control main board connects exclusive data forwarding module, indicator panel output module, video frequency collection card, other detection signal receiver module, and described exclusive data forwarding module also links to each other with red signal acquisition module, flashlamp, video camera.

As preferably, described exclusive data forwarding module comprises one-chip computer module, be connected with two serial port chip, several optocouplers and separating video synchronizing signal module on the described one-chip computer module, wherein one group of optocoupler links to each other with described red signal acquisition module, and a serial port chip, three optocouplers link to each other with the special-purpose vehicle detection module.

The beneficial effects of the utility model are: adopt the linux kernel after the cutting voluntarily, and reliable and stable; Has exclusive flow detection function; Can distinguish type of vehicle, capture the current motor vehicles of restriction; During as the overspeed snapping device, have the collaborative measuring ability of exclusive many checkout equipments, the whole city networking is coordinated, and it is convenient to manage.The utility model also has robust remote management capability, and operation interface is supported shortcut, and operating personnel are very easy to use.

Description of drawings

Fig. 1 is the topology diagram of use electric police grasp shoot of the present utility model system.

Fig. 2 is that a kind of hardware module of the present utility model connects block diagram.

Fig. 3 is a kind of circuit connection diagram of special-purpose data forwarding module in the utility model.

Fig. 4 is a kind of software configuration synoptic diagram of the present utility model.

Fig. 5 is a kind of software configuration synoptic diagram of special-purpose data forwarding module in the utility model.

Embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment 1: the electric police grasp shoot device based on linux system band traffic statistics function of present embodiment, as shown in Figure 2, the technical grade control main board 1 that (SuSE) Linux OS is arranged in comprising, technical grade control main board 1 connects exclusive data forwarding module 2, indicator panel output module 3, video frequency collection card 4, other detection signal receiver module 5, and exclusive data forwarding module 2 also links to each other with special-purpose vehicle detection module 6, red signal acquisition module 7, flashlamp 8, video camera 9.

As shown in Figure 3, exclusive data forwarding module 2 comprises one-chip computer module 21, be connected with 22,23, ten optocouplers 240～249 of two serial port chip and a separating video synchronizing signal module 25 on the one-chip computer module 21, wherein six optocouplers 244～249 are formed one group and are linked to each other with red signal acquisition module 7, and serial port chip 22, three optocouplers 241～243 link to each other with special-purpose vehicle detection module 6.In the present embodiment, one-chip computer module 21 adopts the STC12C2052AD single-chip microcomputer, and this single-chip microcomputer carries hardware reset circuit, and 20 pins are arranged, and carries 1 serial ports; Two

serial port chip

22,23 adopt the MAX3232 chip.

The utility model adopts the standalone chassis structure, and the system expandability is good, rich interface, and the control and the data access of support serial ports/network mode make things convenient for the user to carry out the secondary system exploitation.

The principle of work of exclusive data forwarding module is described below: the red signal level that Transistor-Transistor Logic level that the vehicle that is obtained the special-purpose vehicle detection module and provided by the single-chip processor i/o port has or not and red signal acquisition module provide, receive from the vehicle sensed parameter variable quantity information and the vehicle vehicle interval interval information of the input of special-purpose vehicle detection module by serial port chip 22, after the processing of STC12C2052AD single-chip microcomputer, form special-purpose data layout, export to technical grade control main board 1 (adopting the ECN-I762 mainboard in the present embodiment) by serial port chip 23 and handle.In addition, utilize separating video synchronizing signal module 25 (adopting the LM1881M chip in the present embodiment), solve flash synchronization problem at night.Wherein, the photoelectricity isolation of system is realized in the I/O importation by optocoupler (adopting the P521 chip in the present embodiment).

Software section as shown in Figure 4, the (SuSE) Linux OS of cutting kernel is rejected useless module, the recompility system voluntarily.The (SuSE) Linux OS of cutting kernel difference link information input read module (receives the information by the serial ports input voluntarily, as information of vehicle flowrate, sensed parameter information, red signal information), traffic statistics module (statistical vehicle flowrate information, can measurement period be set according to user's needs), the vehicle identification module (uses fuzzy algorithm and genetic algorithm to realize vehicle identification, forbidden candid photograph information is provided for illegal candid photograph module), illegal candid photograph module (is captured illegal picture, comprise panorama and closeup photograph), video acquisition module (drives video frequency collection card and gathers video image in real time, provide source code flow for capturing module), software firewall module (preventing hacker's attack), network communication module (is connected with the communication server, the order of receiving management host computer control, reply control command and transmission unlawful data), indicator panel information communication module (transmitting crossing indicator panel instruction, control crossing indicator panel), data memory module (storage related data and information).

The software of exclusive data forwarding module as shown in Figure 5, (gather red signal information by the red signal receiver module, write and transmit Frame), wagon detector signal receiving module (collection vehicle sensor information, write and transmit Frame), flashing signal output module (output drives blinker signal control flashlamp), data communication module (communicate by letter with capturing main control module, source code flow information is provided) and scheduler module (above four modules of the management and dispatching) formation that links to each other with above-mentioned four functional modules.

Use the utility model based on the capturing system of the electric police grasp shoot device of linux system band traffic statistics function as shown in Figure 1, network connects the star-like three grades of connection modes that adopt.Total system comprises crossing control section 100, district management part 200, metropolitan area control section 300.Crossing control section 100 comprises the electric police grasp shoot device 101 and the network switch 102 that be connected these devices of many stylobates in linux system band traffic statistics function, is the first order, mainly finishes crossing candid photograph, control and traffic statistics.District management part 200, the network switch 206 that comprises the communication server 201, portable debugging computer 202, non-at-scene enforcement system 203, adsl communication equipment 204, file/database server 205 and this part, be the second level, mainly finish the management and the control of regional grasp shoot device.Metropolitan area control section 300 comprises bridge/router three 01, the network switch 302 and metropolitan area management host 303, mainly finishes whole city electronic police coordinated management, can directly call the crossing grasp shoot device, captures image scene.

The full name of ADSL (Asymmetric Digital Subscriber Line) is an asymmetrical digital user line, why is referred to as asymmetricly, is because the speed of its realization is up less than 1Mbps, and is descending less than 7Mbps.It is that a kind of family or small business of can allowing utilizes existing telephone network, adopts the high-frequency digital compress mode, provides ISP to carry out the technology of broadband access to Internet service provider.Therefore this access way is a kind of asymmetrical mode, promptly holds user side (descending) to need big bandwidth to support from ISP, and bandwidth gets final product and hold (up) only to need in a small amount from the user side to ISP.Be to use intervening mode more widely at present.ADSL Modem is the external equipment that inserts telecommunications ADSL network.

Bridge/router adopts Quidway 2600 serial roads that device is arranged, and this equipment is mainly used in the storage of network TCP/IP data message and transmits.

The network switch adopts the D-Link switch to carry out lan device and connects.

Non-at-scene enforcement system, it is the general purpose personal computer that management software is installed, its control section is by the electric police grasp shoot device of communication server control based on linux system band traffic statistics function, and the data processing to the candid photograph image that receives is partly finished in data management.

Portable debug host is the mobile notebook that management software is installed.

The communication server is the computing machine of using as server that communication software is installed.

The utility model can help the normal constraint driver's of vehicle supervision department driving behavior, urges traffic participant to form good traffic custom, to reduce the intersection because of the illegal traffic safety hidden danger that causes.The utility model is applicable to that urban road junction makes a dash across the red light, illegal lane change, exceed the speed limit, transfinite, rush the candid photograph of the illegal activities of occasions such as one-way road, also can be applicable to places such as gateway, parking lot.The utility model can also be as the wagon detector with functions such as traffic statistics, vehicle judgements.

The utility model is applicable to that any road junction motor vehicle makes a dash across the red light or rushes forbidden candid photograph management, and the utility model is set to one in each direction, can add and subtract arbitrarily according to the needs of system.Except that capturing function, can increase the flow detection statistical module, realize adding up respectively according to type of vehicle.Support long-range candid photograph, return the shooting image in real time.During as the overspeed snapping device, support radar, microwave or the infrared toroid winding detection information that adds determine jointly whether vehicle exceeds the speed limit, transfinites, thereby improve the accuracy rate of capturing.Because radar velocity measurement is quite accurate, the relevant doubt in the time of can reducing the illegal identification of hypervelocity and handle.The utlity model has the omnidistance recording function of powerful support panorama camera, can keep 15～20 days crossing video recording (preserving of the capacity decision of video time length) by hard disk.Support coordinated management simultaneously by dedicated network or ADSL zone/whole city networking.

Claims

1, a kind of electric police grasp shoot device based on linux system band traffic statistics function, the technical grade control main board that (SuSE) Linux OS is arranged in it is characterized in that comprising, described technical grade control main board connects exclusive data forwarding module, indicator panel output module, video frequency collection card, other detection signal receiver module, and described exclusive data forwarding module also links to each other with red signal acquisition module, flashlamp, video camera.

2, the electric police grasp shoot device based on linux system band traffic statistics function according to claim 1, it is characterized in that described exclusive data forwarding module comprises one-chip computer module, be connected with two serial port chip, several optocouplers and separating video synchronizing signal module on the described one-chip computer module, wherein one group of optocoupler links to each other with described red signal acquisition module, and a serial port chip, three optocouplers link to each other with the special-purpose vehicle detection module.