CN101751781A - High-definition electronic police device - Google Patents
High-definition electronic police device Download PDFInfo
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- CN101751781A CN101751781A CN200810235433A CN200810235433A CN101751781A CN 101751781 A CN101751781 A CN 101751781A CN 200810235433 A CN200810235433 A CN 200810235433A CN 200810235433 A CN200810235433 A CN 200810235433A CN 101751781 A CN101751781 A CN 101751781A
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Abstract
The invention relates to a device in the technical field of intelligent traffic management, in particular to a high-definition electronic police system. The high-definition electronic system comprises a vehicle monitor, a capture part, an automatic control part of fill light, a main-control computer and a power supply part, wherein the vehicle monitor, the capture part, the automatic control part of fill light are connected to the main-control computer respectively; the vehicle monitor, the capture part, the automatic control part of fill light and the main-control computer are connected to the power supply part respectively; and the vehicle monitor is connected to a host in the capture part. Compared with the prior art, the system method has the advantages of effects of easy use, feasibility, practicability, reliability, advancement and safety.
Description
Technical field
The present invention relates to the device in a kind of traffic intelligent administrative skill field, specifically is a kind of high-definition electronic police device.
Background technology
Traffic electronic police should detect red signal, comes temporarily at red signal again, detects vehicle through signal.Use special vehicles running red light detecting device to finish this function.For the complete documentation vehicle process of making a dash across the red light, must judge through the state of coil vehicle.In order to solve different regions, for the make a dash across the red light different requirements of vehicle location in first pictures of vehicle, system works method improvement.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high-definition electronic police device is provided.
The present invention is achieved by the following technical solutions, the present invention includes: vehicle monitoring device, candid photograph, the automatic control section of fill-in light, main control computer, power unit, it is characterized in that, vehicle monitoring device, candid photograph, the automatic control section of fill-in light are connected with main control computer respectively, vehicle monitoring device, candid photograph, the automatic control section of fill-in light, main control computer are connected with power unit respectively, and described vehicle monitoring device is connected with main frame in capturing.
Described power unit comprises air switch, compositions such as isolating switch, stabilized voltage supply, overload protection arrangement, earth leakage protective device, lightning protection device, earthing device.
Compared with prior art, the present invention has following beneficial effect: easy-to-use, feasible, and practicality, reliable, advanced person, safety lamp effect.
Description of drawings
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is a workflow synoptic diagram of the present invention.
Be described further below in conjunction with the technical scheme of accompanying drawing invention.
Embodiment
As shown in Figure 1, the present invention includes: vehicle monitoring device 1, candid photograph 2, the automatic control section 3 of fill-in light, main control computer 4, power unit 5, it is characterized in that, vehicle monitoring device 1, candid photograph 2, the automatic control section 3 of fill-in light are connected with main control computer 4 respectively, vehicle monitoring device 1, candid photograph 2, the automatic control section 3 of fill-in light, main control computer 4 are connected with power unit 5 respectively, and described vehicle monitoring device 1 is connected with the main frame of capturing in 2.
Described power unit 5 comprises air switch, compositions such as isolating switch, stabilized voltage supply, overload protection arrangement, earth leakage protective device, lightning protection device, earthing device.
Hardware of the present invention comprises as follows:
One, wagon detector
Adopt ground induction coil to detect the arrival information of vehicle.Ground induction coil is the highest vehicle detection mode of accuracy that is widely used at present.Ground induction coil is based on the principle of work of eddy current sensor, provide the alternating electromagnetic field that is always producing frequency stabilization by wagon detector in the coil, when vehicle process coil, the electromagnetic field of alternation can produce eddy current in the metal chassis of vehicle, and electromagnetic field of eddy current can influence the coil medium frequency conversely, wagon detector is also judged vehicle through information according to the concussion frequency that changes in the coil, and provides the switching value signal.
Wagon detector must adopt the hot-short detecting device, and the detector response time must could guarantee to trigger fast and effectively less than 5ms.Switching value output adopts light to isolate output, and the time-delay when avoiding the output of contact switch has improved the accuracy of testing the speed and capturing widely.The response time of common vehicle detecting device, generally about 20ms-40ms, inconvenience was used for triggering at a high speed the application scenario of testing the speed, and had and triggered the time-delay and the inaccurate phenomenon that tests the speed.
In order to improve the stability of detection, detecting device has the red light measuring ability, only when being red signal on the track, just export vehicle position information, offering and captures main frame and judge and capture the position.
Two, image acquisition is captured
It is the basis of total system work that system's image acquisition is captured part, the quality of picture quality, candid photograph reliably are the effective and car plate discrimination direct factors of decision image, therefore, employing is caught the high-resolution industrial camera of application to reach the purpose of system design for vehicle specially in the native system.
In order to reach the purpose that image acquisition is captured more reliably, specialized designs the high-resolution industrial camera, select the high-resolution camera of different resolution according to the quantity in track, cardinal rule is the camera of following use 200 mega pixels in three tracks, the camera of employing 5,000,000 pixels that three tracks and three cars are above.
Three, the automatic control section of fill-in light
The fill-in light system be in the crossing system under the not enough situation of surround lighting, still has the important backup system that can capture the high-quality vehicle image, employing has narrow-pulse generator and the RCC control card is formed, narrow-pulse generator can send the pulsed light of the adjustable microsecond magnitude of intensity, is 1/tens of general flashlamp flash duration.Because flash duration is very short, therefore the stimulation of driver's eyes is reduced to minimum, can know the shooting car plate again simultaneously.
Four, main control computer
The native system all hardware is the modular insert system, and front end can be without industrial control host.But consider the reliability of Network Transmission, arrange the working storage of a kilomega network industrial computer, can carry out the front end image recognition according to user's needs as view data at front end.Image taking, compress, be transmitted in front end and finish.System supports the Ethernet transmission, uses ICP/IP protocol, and the rear end only needs a computing machine just can receive the photographed data that all measuring points are beamed back, and network takies few.Standard agreement can make things convenient for existing network and is connected.
Front-end equipment all disposes the IP address, can reduce the work of maintenance personnel amount by the running parameter of IP address at Surveillance center's control front-end equipment.
For the brightness that makes the image that is filmed can be fit to round-the-clock situations such as daytime, evening, cloudy day, fine day, designed the brightness that reliable algorithm controls automatically by the time shutter of video camera photographic images, make that the brightness of every image was both not too bright, can be too not dark yet, and can adapt to the various light conditions of backlight and frontlighting etc.
Five, power unit
Power supply comprises air switch, compositions such as isolating switch, stabilized voltage supply, overload protection arrangement, earth leakage protective device, lightning protection device, earthing device.System adopts the 220V ac power supply, and all power devices all will be passed through necessary security device (voltage stabilizing, overload, electric leakage), guarantees the safety of electricity consumption and equipment.Various kinds of equipment can both be controlled power supply separately, and is easy to maintenance.The design of outdoor equipments such as camera protective cover, pulsed frequent flash lamp, column, rack has all fully taken into account and has discharged water, dustproof needs.Lightning protection also is installed on column, prevents that thunder and lightning from destroying.
As shown in Figure 2, work of the present invention is:
The first step, start-up system is waited for the information that vehicle arrives, do not occur continuing to wait for if under red light phase, there is vehicle,
Second step in the described first step, if any the appearance of vehicle, then started narrow-pulse generator and carries out light filling under red light phase, started CCD simultaneously and carried out the frame collection, obtained the view data of a frame vehicle,
Second step was transferred to the image data that obtains in the host memory, carried out the Flame Image Process vehicle identification by processor,
The 3rd step, preserve the complete information and the characteristic information of vehicle, and upload information of vehicles,
In the 4th step, completing steps three back systems repeat to turn back to circulation or the system's termination task that the first step is carried out next round.
Claims (2)
1. a high-definition electronic police device comprises: vehicle monitoring device, candid photograph, the automatic control section of fill-in light, main control computer, power unit, it is characterized in that, vehicle monitoring device, candid photograph, the automatic control section of fill-in light are connected with main control computer respectively, vehicle monitoring device, candid photograph, the automatic control section of fill-in light, main control computer are connected with power unit respectively, and described vehicle monitoring device is connected with main frame in capturing.
2. high-definition electronic police device as claimed in claim 1 is characterized in that described power unit comprises air switch, compositions such as isolating switch, stabilized voltage supply, overload protection arrangement, earth leakage protective device, lightning protection device, earthing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235433A CN101751781A (en) | 2008-12-02 | 2008-12-02 | High-definition electronic police device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235433A CN101751781A (en) | 2008-12-02 | 2008-12-02 | High-definition electronic police device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101751781A true CN101751781A (en) | 2010-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810235433A Pending CN101751781A (en) | 2008-12-02 | 2008-12-02 | High-definition electronic police device |
Country Status (1)
| Country | Link |
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| CN (1) | CN101751781A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923780A (en) * | 2010-08-04 | 2010-12-22 | 深圳市中盟科技股份有限公司 | Traffic electronic police snapping control device and method |
| CN104504907A (en) * | 2014-12-31 | 2015-04-08 | 桂林科技企业发展中心 | High-definition red light violation snapshot system |
| CN109410594A (en) * | 2018-12-18 | 2019-03-01 | 宁波镭基光电技术有限公司 | A kind of Vehicle License Plate Recognition System and method |
| CN111127901A (en) * | 2020-02-28 | 2020-05-08 | 江苏航天大为科技股份有限公司 | Expressway emergency lane snapshot linkage control system |
-
2008
- 2008-12-02 CN CN200810235433A patent/CN101751781A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 张志等: "基于MSP430行使车辆检测器的设计", 《微计算机信息》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923780A (en) * | 2010-08-04 | 2010-12-22 | 深圳市中盟科技股份有限公司 | Traffic electronic police snapping control device and method |
| CN104504907A (en) * | 2014-12-31 | 2015-04-08 | 桂林科技企业发展中心 | High-definition red light violation snapshot system |
| CN109410594A (en) * | 2018-12-18 | 2019-03-01 | 宁波镭基光电技术有限公司 | A kind of Vehicle License Plate Recognition System and method |
| CN111127901A (en) * | 2020-02-28 | 2020-05-08 | 江苏航天大为科技股份有限公司 | Expressway emergency lane snapshot linkage control system |
| CN111127901B (en) * | 2020-02-28 | 2021-01-12 | 江苏航天大为科技股份有限公司 | Expressway emergency lane snapshot linkage control system |
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Application publication date: 20100623 |