CN101799980A - High-definition bayonet transmission machine and control method thereof - Google Patents
High-definition bayonet transmission machine and control method thereof Download PDFInfo
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- CN101799980A CN101799980A CN200910189588A CN200910189588A CN101799980A CN 101799980 A CN101799980 A CN 101799980A CN 200910189588 A CN200910189588 A CN 200910189588A CN 200910189588 A CN200910189588 A CN 200910189588A CN 101799980 A CN101799980 A CN 101799980A
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Abstract
The invention provides a high-definition bayonet transmission machine comprising a plurality of vehicle detectors, a plurality of cameras, a front-end machine and a rear-end machine. Each vehicle detector corresponds to two traffic lanes and four coils as well as two cameras; the plurality of vehicle detectors and the plurality of cameras are respectively connected with the front-end machine which is connected with the rear-end machine through optical fibers; the vehicle detectors are used for providing trigger signals for the front-end machine; the front-end machine controls the corresponding cameras for photographing according to the trigger signals of the vehicle detectors; image data acquired by the cameras are transmitted to the rear-end machine through the front-end machine and optical fibers, wherein the plurality of cameras are connected to the front-end machine through optical fibers; and a plurality of optical fibers are multiplexed by the front-end machine to one main optical fiber for communicating with the rear-end machine. The invention also provides a control method of the high-definition bayonet transmission machine.
Description
Technical field
The invention belongs to traffic public security Gate System field, particularly a kind of high-definition bayonet transmission machine and control method thereof that can be used for image transmission and the simulation monitoring video transmission and the related control data transmission of high definition optical fiber video camera in the public security Gate System.
Background technology
Along with expanding economy, the rapid growth of vehicle fleet size, each urban transportation is more and more crowded, brings many inconvenience for our life.In addition, the violation phenomenon of many vehicles has also caused the injury of the many economy and the person, is created civilized communities, safeguards that traffic and personal safety bring many obstacles.Because continuous planning, the expansion in city, being on the increase of population, vehicle, crowded, the violation phenomenon of transport solution how better, reduction accident generation phenomenon reaches the requirement of smooth traffic project, has become the major issue of having to solve in each city.In order to address these problems better, punish the red light violation vehicle, avoid crossing traffic crowded, mixed and disorderly, the public security Gate System has been installed in many cities in succession.
The transmission of image is based on ICP/IP protocol more in the existing public security Gate System, arrives the remote monitoring center by Optical Fiber Transmission.In order to transmit the speed of vehicle being shot, also need the extra network equipment, directly provide as speed and then be sent to point of presence by the serial ports of vehicle checker, need add after the conversion of serial ports network interface again with data integration such as image and send to the rear end to fiber optic.The data transmission of measured TCP/IP is easy to be intercepted and captured and analyze, poor stability.Front-end equipment uses more.
Summary of the invention
In order to solve the above-mentioned technical matters of prior art switch, the high-definition bayonet transmission machine that is necessary to provide a kind of data security height and reduces equipment redundancy.
Also be necessary to provide a kind of high-definition bayonet transmission machine control method.
A kind of high-definition bayonet transmission machine, it is characterized in that: comprise a plurality of vehicle checkers, a plurality of video cameras, FEP and backend machine, corresponding two lane highways four coils of each vehicle checker, and also corresponding two video cameras of each vehicle checker, described a plurality of vehicle checker is connected described FEP respectively with described a plurality of video cameras, described FEP connects described backend machine by optical fiber, described vehicle checker is used to provide trigger pip to described FEP, described FEP is taken pictures according to the corresponding video camera of trigger pip control of vehicle checker, the view data that described video camera obtains arrives backend machine by FEP and Optical Fiber Transmission, wherein, described a plurality of video camera is to be connected to described FEP by optical fiber, and described FEP will be communicated by letter with described backend machine on multi-channel optical fibre data multiplex to a main fiber.
A kind of high-definition bayonet transmission machine control method comprises a plurality of vehicle checkers, FEP, backend machine and a plurality of video camera are provided; Vehicle checker sends trigger pip according to the coil flux quantitative changeization and gives FEP; FEP is controlled corresponding video camera according to trigger pip and is taken pictures; The data of the video data of analog video interface and RS232 and RS485 data port and the view data of video camera are multiplexed into a main fiber and are transferred to backend machine.
High definition clipping machine of the present invention and control method employing multi-channel optical fibre video camera thereof and one road analog video and multichannel RS232 data and RS485 data multiplex transmit to 1 road main fiber, and integrate car speed information in image information, effectively reduce equipment redundancy, and data transmission is not based on the tcp/ip layer agreement, be difficult for being acquired Useful Information, can not be routed device transmits, so the minimizing leakage of information of energy minimum degree and the possibility of being intercepted and captured have the security that higher security improves view data.
Description of drawings
Fig. 1 is system's connection diagram of high-definition bayonet transmission machine one better embodiment of the present invention.
Fig. 2 is the synoptic diagram of the ground induction coil of each vehicle checker correspondence shown in Figure 1
Embodiment
Below in conjunction with Figure of description embodiment of the present invention is described further.
Seeing also Fig. 1, is system's connection diagram of high-definition bayonet transmission machine one better embodiment of the present invention.
In actual applications, high definition clipping machine of the present invention comprises a plurality of vehicle checkers, a plurality of video camera, FEP and backend machine.Described a plurality of vehicle checker is connected described FEP respectively with a plurality of video cameras.Front end mainly is responsible for the collection of view data, obtains transmission; And reception is responsible in the rear end, resolves, and upload data to server, and the reverse transfer server sends to the control information of front-end equipment.The video camera 1-8 that is connected to FEP among Fig. 1 totally 8 the tunnel only for the signal, also can freely be configured to 2 the tunnel, the 4 tunnel, the 6 tunnel, the 8 tunnel to satisfy the needs of rig-site utilization.FEP is connected by 1.25Gbps optical fiber with backend machine.Wherein, every road video camera all is equipped with flash device, makes it obtain good lighting effect when capturing night, and described flash device is controlled by described FEP.The fiber data of described a plurality of video cameras and 1 road analog video and 3 road RS232,1 road RS485 data multiplex is to described 1.25Gbps main fiber output.Each vehicle checker 1-4 distinguishes 4 coils of corresponding two lane highways again.As shown in Figure 1, described video camera 1-2,3-4,5-6 and the corresponding vehicle checker 1,2,3 and 4 of 7-8 difference.Please consulting Fig. 2 simultaneously, is the synoptic diagram of the ground induction coil of each vehicle checker correspondence shown in Figure 1.As shown in Figure 2, two track 1,2 corresponding four loop A 1, B1, A2 and B2.
High-definition bayonet transmission machine principle of work of the present invention is described below:
The triggering of described video camera is by the output signal control of the vehicle checker of correspondence, and for example, vehicle checker 1 output signal correspondence is controlled video camera 1-2.。When vehicle passes through the ground induction coil of road, vehicle checker base area sense coil flux quantitative changeization has detected vehicle and has passed through, so send trigger pip to FEP, FEP receives control after the trigger pip of vehicle checker high definition optical fiber video camera that should vehicle checker is taken pictures, it's the time of track 2 coils is past the FEP measuring vehicle simultaneously, then can be according to the average velocity of distance calculation vehicle through coil.When treating that view data sends FEP to by video camera, FEP passes back to view data the backend machine of far-end by main fiber.Simultaneously, the view data of the data of the video data of analog video interface and data port such as RS232 and RS485 and each optical fiber video camera will be multiplexed into 1 main fiber together and be transferred to backend machine.
Described backend machine obtains and recovers the high-definition image data that front end transmits from main fiber, analog video data and RS232, and control datas such as RS485 are to the splicing ear of backend machine correspondence.
Wherein, the view data of the 1 road of FEP the and the 2 tunnel high definition optical fiber video camera 1,2 is through transmitting by the Ethernet1 network interface after the network packing once more.The view data of the 3 road and the 4 tunnel high definition optical fiber video camera of FEP will be through transmitting by the Ethernet2 mouth after the network packing once more.The view data of the 5 road and the 6 tunnel high definition optical fiber video camera of FEP will be through transmitting by the Ethernet3 mouth after the network packing once more.The view data of the 7 road and the 8 tunnel high definition optical fiber video camera of FEP will be through transmitting by the Ethernet4 mouth after the network packing once more.Described Ethernet-4 interface connects Ethernet switch or industrial computer.
Simultaneously, but the control command of Ethernet1 mouth reverse transfer video camera gain and the control of exposure and tone etc. to the high definition optical fiber video camera 1 and 2 of front end; But the control command of Ethernet2 mouth reverse transfer video camera gains and the control of exposure and tone etc. to the high definition optical fiber video camera 3 and 4 of front end; But the control command of Ethernet3 mouth reverse transfer video camera gains and the control of exposure and tone etc. to the high definition optical fiber video camera 5 and 6 of front end; But the control command of Ethernet4 mouth reverse transfer video camera gains and the control of exposure and tone etc. to the high definition optical fiber video camera 7 and 8 of front end.Above-mentioned Ethernet1-4 interface is Ethernet interface.
Because high-definition camera has the image quality height, wide coverage, advantages such as total digitalization make high-definition camera in the application of intelligent transportation field more and more widely.And high definition clipping machine of the present invention is by the optical fiber passback of FEP multi-channel optical fibre data multiplex to, simultaneously with video camera control, vehicle checker control, flashlamp control, test the speed and function such as realtime graphic transmission is integrated on the described FEP, can satisfy the demand of high-definition camera volume of transmitted data, simplify solution, reduced number of devices simultaneously.In addition, high definition clipping machine of the present invention has also been simplified front end construction and installation debugging step greatly.
High-definition bayonet transmission machine control method of the present invention comprises: a plurality of vehicle checkers, FEP, backend machine and a plurality of video camera are provided; Vehicle checker sends trigger pip according to the coil flux quantitative changeization and gives FEP; FEP is controlled corresponding video camera according to trigger pip and is taken pictures; The data of the video data of analog video interface and RS232 and RS485 data port and the view data of video camera are multiplexed into a main fiber and are transferred to backend machine.Above-mentioned video camera is high definition optical fiber video camera.
High-definition bayonet transmission machine of the present invention and control method employing multi-channel optical fibre video camera thereof and one road analog video and multichannel RS232 data and RS485 data multiplex are to 1 tunnel Optical Fiber Transmission, and integrate car speed information in image information, reduce equipment redundancy, data transmission is not based on the tcp/ip layer agreement, be difficult for being acquired Useful Information, can not be routed device transmits, so the minimizing leakage of information of energy minimum degree and the possibility of being intercepted and captured have the security that higher security improves view data.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. high-definition bayonet transmission machine, it is characterized in that: comprise a plurality of vehicle checkers, a plurality of video cameras, FEP and backend machine, corresponding two lane highways four coils of each vehicle checker, and also corresponding two video cameras of each vehicle checker, described a plurality of vehicle checker is connected described FEP respectively with described a plurality of video cameras, described FEP connects described backend machine by optical fiber, described vehicle checker is used to provide trigger pip to described FEP, described FEP is taken pictures according to the corresponding video camera of trigger pip control of vehicle checker, the view data that described video camera obtains arrives backend machine by FEP and Optical Fiber Transmission, wherein, described a plurality of video camera is to be connected to described FEP by optical fiber, and described FEP will be communicated by letter with described backend machine on multi-channel optical fibre data multiplex to a main fiber.
2. high-definition bayonet transmission machine as claimed in claim 1 is characterized in that: also comprise a plurality of corresponding with described video camera respectively flash devices, described FEP is controlled described flash device and is glistened when environmental light brightness is not enough at described video camera.
3. high-definition bayonet transmission machine as claimed in claim 2 is characterized in that: described FEP also can be according to vehicle through the distance calculation vehicle of time of two coils and two coils average velocity through coil.
4. high-definition bayonet transmission machine as claimed in claim 3 is characterized in that: be transferred to described backend machine after the view data of the video data of analog video interface and the data of data port such as RS232 and RS485 and each optical fiber video camera will be multiplexed into described main fiber together.
5. high-definition bayonet transmission machine as claimed in claim 4, it is characterized in that: described backend machine connects switch by Ethernet interface, and two camera data of each vehicle checker correspondence are packed after transfer to switch by one road Ethernet interface by the backend machine network.
6. high-definition bayonet transmission machine as claimed in claim 5, it is characterized in that: but the control command of described Ethernet interface reverse transfer video camera and gains and the control of exposure and tone etc. to two video cameras of correspondence to two video cameras of the correspondence that is connected to FEP.
7. high-definition bayonet transmission machine as claimed in claim 6 is characterized in that: comprise No. 8 video cameras, it is for 4 vehicle checkers and 4 road Ethernet transmission interfaces.
8. high-definition bayonet transmission machine control method comprises:
A plurality of vehicle checkers, FEP, backend machine and a plurality of video camera are provided;
Vehicle checker sends trigger pip according to the coil flux quantitative changeization and gives FEP;
FEP is controlled corresponding video camera according to trigger pip and is taken pictures;
The data of the video data of analog video interface and RS232 and RS485 data port and the view data of video camera are multiplexed into a main fiber and are transferred to backend machine by FEP.
9. high-definition bayonet transmission machine control method as claimed in claim 8, it is characterized in that: comprise that also providing a plurality of corresponding with described video camera respectively flash devices, described FEP to control described flash device glistens when environmental light brightness is not enough at described video camera.
10. high-definition bayonet transmission machine control method as claimed in claim 9 is characterized in that: also comprise described FEP also according to vehicle through the distance calculation vehicle of time of two coils and two coils average velocity through coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101895889A CN101799980B (en) | 2009-11-30 | 2009-11-30 | High-definition bayonet transmission machine and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101895889A CN101799980B (en) | 2009-11-30 | 2009-11-30 | High-definition bayonet transmission machine and control method thereof |
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| Publication Number | Publication Date |
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| CN101799980A true CN101799980A (en) | 2010-08-11 |
| CN101799980B CN101799980B (en) | 2011-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405321A (en) * | 2015-12-22 | 2016-03-16 | 清华大学 | Safety early warning method during running of vehicles on freeway and system |
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2009
- 2009-11-30 CN CN2009101895889A patent/CN101799980B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405321A (en) * | 2015-12-22 | 2016-03-16 | 清华大学 | Safety early warning method during running of vehicles on freeway and system |
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| CN101799980B (en) | 2011-09-21 |
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