CN203759875U - Vehicle speed measurement radar snapshot system - Google Patents

Vehicle speed measurement radar snapshot system Download PDF

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Publication number
CN203759875U
CN203759875U CN201420098739.6U CN201420098739U CN203759875U CN 203759875 U CN203759875 U CN 203759875U CN 201420098739 U CN201420098739 U CN 201420098739U CN 203759875 U CN203759875 U CN 203759875U
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China
Prior art keywords
vehicle speed
radar
speed measuring
display
snapshot
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CN201420098739.6U
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Chinese (zh)
Inventor
刘波
李贵兵
王东峰
任磊
庞宏杰
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BEIJING TRANSMICROWAVE TECHNOLOGY Co Ltd
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BEIJING TRANSMICROWAVE TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a vehicle speed measurement radar snapshot system and relates to the traffic monitoring technology field. The system is designed aiming at solving problems of frequent generation of a traffic accident caused by an overspeed peccancy of an existing vehicle and the like. The vehicle speed measurement radar snapshot system comprises a shell. The shell is provided with a vehicle speed measurement apparatus, a snapshot apparatus, a processing unit and a display apparatus. The processing unit is used for receiving and storing snapshot picture information of the snapshot apparatus and transmitting the picture information to the display apparatus. The vehicle speed measurement apparatus comprises a speed measurement radar. The speed measurement radar adopts a flat-plate bi-directional narrow wave speed measurement radar and is used to monitor overspeed vehicles of opposite directions and generate a trigger signal so as to inform the snapshot apparatus to snapshot the overspeed violation vehicle in real time. The system of the utility model integrates functions of speed measurement, monitoring, the snapshot and the like. A generation amount of the traffic accident caused by the overspeed peccancy is reduced. A suitable scope is wide and working efficiency is high.

Description

A kind of vehicle speed measuring radar capturing system
Technical field
The utility model relates to traffic monitoring technical field, relates in particular to a kind of vehicle speed measuring radar capturing system.
Background technology
At present, raising along with people's living standard, private car quantity is more and more, although brought convenience to people's trip, but every year because hypervelocity occurs that traffic hazard damages or dead number but constantly increases in violation of rules and regulations, in order to stop the continuous generation of overspeed of vehicle unlawful practice, various places traffic police command centre or relevant vehicle supervision department strengthen the hitting dynamics to the vehicle that exeeds the regulation speed, by over-speed vehicles being carried out to speed measuring and monitoring, capturing evidence obtaining or registration, over-speed vehicles is punished.
Existing vehicle speed testing grasp shoot system generally adopts the velocity radar of broad beam, and it can only realize unidirectional vehicle speed testing grasp shoot, and operating distance is near, the narrow range that tests the speed, and a little less than antijamming capability, rate accuracy is low; In addition, in existing vehicle speed testing grasp shoot system, adopt the processor that has fan to process, can cause the problem that noise is large, power consumption is high, cost is high.
Utility model content
An object of the present utility model is to propose a kind ofly can to realize dual-way vehicle measuring speed and taking snap pictures, the wide ranges that tests the speed, vehicle speed measuring radar capturing system that rate accuracy is high.
Another object of the present utility model is to propose a kind of vehicle speed measuring radar capturing system with noiselessness, power consumption is little and cost is low fan-free processor.
For reaching this object, the utility model by the following technical solutions:
A kind of vehicle speed measuring radar capturing system, comprise housing, on described housing, be provided with vehicle speed measuring device, grasp shoot device, processing unit and display device, the pictorial information that described processing unit is captured for receiving and store described grasp shoot device, and pictorial information is sent to described display device, described vehicle speed measuring device comprises velocity radar, described velocity radar adopts plate two-way narrow ripple velocity radar, for monitor whereabouts and come to over-speed vehicles, and produce trigger pip and notify described grasp shoot device real-time grasp shoot hypervelocity vehicle in violation of rules and regulations.
Preferably, described processing unit comprises the double-core Atom N28000 processor that fan-free is processed, and described processor is supported the internal memory of DDR31066MHz.
Preferred, described processor comprises VGA interface and HDMI interface, and described processing unit is sent to described display device by VGA interface or HDMI interface by image document.
Preferably, described display device comprise TFT LCD1024 * 768 resolution 8 cun of display screens and with the supporting touch-screen of display screen.
Preferred, the visible angle of described display screen is 70 °/70 ° (L/R) and 50 °/70 ° (U/D), supports video color standard PAL-4.43 and NTSC-3.58.
Preferably, on described housing, be also provided with chromacoder, for when described velocity radar carries out parameter adjustment, the mutual conversion of described velocity radar signal between described grasp shoot device and described processing unit.
Preferred, on described housing, be also provided with input-output unit, it is connected with described display device, for traffic police command centre, carries out the screening of picture and is uploaded to database.
Preferably, described grasp shoot device is colorful digital video camera.
The beneficial effects of the utility model are:
(1) the utility model provides a kind of vehicle speed measuring radar capturing system, integrate test the speed, monitor, the function such as candid photograph, realized the candid photograph to two-way over-speed vehicles, it adopts plate two-way narrow ripple velocity radar monitoring whereabouts and comes to two-way over-speed vehicles, good directionality, the wide ranges that tests the speed, antijamming capability is strong, captured target is accurate, and rate accuracy is high.
(2) in vehicle speed measuring radar capturing system, the double-core Atom N28000 processor that adopts fan-free to process, noise is little, low in energy consumption, and cost is low.
(3) in vehicle speed measuring radar capturing system, adopt the display screen of TFT LCD1024 * 768 resolution, display frame is more clear, and content is abundanter, and meanwhile, the diaphragm of the reflection-proof that is sticked on this screen, prevents minute surface reflective.
Accompanying drawing explanation
Fig. 1 is the vertical view of a kind of vehicle speed measuring radar capturing system of providing of the utility model embodiment mono-;
Fig. 2 is the rear view of a kind of vehicle speed measuring radar capturing system of providing of the utility model embodiment mono-;
Fig. 3 is the front view of a kind of vehicle speed measuring radar capturing system of providing of the utility model embodiment mono-;
Fig. 4 is the left view of a kind of vehicle speed measuring radar capturing system of providing of the utility model embodiment mono-.
In figure, 1, vehicle speed measuring device; 2, grasp shoot device; 3, processing unit; 4, display device; 5, chromacoder; 6, input-output unit.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate the technical solution of the utility model.
Embodiment mono-:
Fig. 1-Fig. 4 is the composition structural drawing of a kind of vehicle speed measuring radar capturing system of providing of the present embodiment.As Figure 1-Figure 4, this vehicle speed measuring radar capturing system comprises housing, on housing, be provided with vehicle speed measuring device 1, grasp shoot device 2, processing unit 3 and display device 4, the pictorial information that processing unit 3 is captured for receiving and store grasp shoot device 2, and pictorial information is sent to display device 4, vehicle speed measuring device 1 comprises velocity radar, velocity radar adopts plate two-way narrow ripple velocity radar, for monitor whereabouts and come to over-speed vehicles, and produce trigger pip and notify described grasp shoot device 2 real-time grasp shoots hypervelocities vehicles in violation of rules and regulations.
This velocity radar mainly comprises mimic channel, AD conversion and voltage transitions, digital circuit, the processing of DSP signal, Data Format Transform and Flash storer etc.Wherein, the effect of mimic channel is for microwave board and each chip provide voltage, and the signal of microwave board output is carried out to amplification filtering, and in the end one-level amplifier place carries out the amplitude of accommodation; The effect of AD conversion and voltage transitions is that the simulating signal that microwave board is produced is changed to the manageable digital signal of DSP; Digital circuit is to provide voltage for each chip; It is that DSP carries out FFT conversion process by the signal of analog board input that DSP signal is processed, and obtains the velocity amplitude of current period, according to various decision conditions, determines whether export; Data Format Transform is that 8 bit parallel data of DSP numerical value are converted to exportable serial data; Flash storer is mainly responsible for storage program and data, guarantees that DSP is after power-off, and the program in internal memory and data can not lost.
Velocity radar mainly utilizes Doppler effect principle: when target to radar antenna near time, reflected signal frequency will be higher than transmitter frequency; Otherwise when target is during away from radar antenna, reflected signal frequency will, lower than transmitting probability, so can, by the change numerical value of frequency, calculate the relative velocity of target and velocity radar.Use above-mentioned velocity radar, good directionality, the wide ranges that tests the speed, antijamming capability is strong, and captured target is accurate, and rate accuracy is high.
Grasp shoot device 2 adopts colorful digital video cameras, in this video camera, have 10M/100M/1000M adaptive network interface, two-way communication port, 12 road user-programmable IO, for input isolation signals two-way light-coupled isolation input interface, control the passive output interface of two-way light-coupled isolation of flashlamp, hardware resources such as the synchronous input interface of power supply of external 8-15VAC transformer, DC camera lens auto iris control interface and photometry sensors.
Adopt colorful digital video camera to capture over-speed vehicles, sharpness is high, flexible operation, strong adaptability, and the photo of capturing recorded each parameter of the image documents such as time, place, type of vehicle, the number-plate number and vehicle speed value, make to correct illegal reasonable.
Velocity radar is emission detection ripple initiatively, when the speed that vehicle automatically detected when velocity radar surpasses the maximum speed limit of regulation, produce and capture signal, pick-up lens by colorful digital video camera carries out real-time grasp shoot to hypervelocity vehicle in violation of rules and regulations, and by candid photograph to the image document of over-speed vehicles transfer to its inter-process, then by adaptive network interface, image document information is sent to processing unit 3 and processes.
Processing unit 3 comprises the double-core Atom N28000 processor that fan-free is processed, noise is little, low in energy consumption, cost is low, it supports the internal memory of DDR31066MHz, collocation Intel NM10 high-speed chip group, built-in IntelGMA3650 display controller, provide VGA interface and HDMI interface to show output, when being used simultaneously, VGA and HDMI can realize independent two demonstration, support SATA, many storages of SSD card means, brought to communication and storage very big convenient, processing unit 3 is sent to display device 4 by VGA interface or HDMI interface by the image document of over-speed vehicles.
Display device 4 is connected with input-output unit 6, for traffic police command centre, carries out the screening of picture and is uploaded to database.Display device 4 comprise TFT LCD1024 * 768 resolution 8 cun of display screens and with the supporting touch-screen of display screen, the visible angle of display screen is 70 °/70 ° (L/R) and 50 °/70 ° (U/D), support video color standard PAL-4.43 and NTSC-3.58, mean flow rate is 250cd/ ㎡, and resolution is higher, display frame is more clear, and content is abundanter.Meanwhile, the diaphragm of the reflection-proof that is sticked on screen, prevents minute surface reflective.In addition, touch-screen is a kind of induction type liquid crystal indicator that receives the input signals such as contact, when having contacted the graphic button on screen, haptic feedback system on screen can drive various coupling arrangements according to the formula of programming in advance, can be in order to replace mechanical push button panel, and produce lively visual and sound effects by liquid crystal display picture.
In actual measuring speed and taking snap pictures process, answer various places highway situation different, so likely can carry out parameter adjustment to velocity radar, in order to make the mutual conversion of velocity radar settling signal between processing unit 3 and grasp shoot device 2, need to realize by chromacoder 5.
Specific works process:
By vehicle speed measuring radar capturing system access 12V DC direct current, in "on" position, vehicle speed measuring device 1 is connected by chromacoder 5 and grasp shoot device 2, vehicle speed testing grasp shoot system enters work measuring speed and taking snap pictures state, when there being vehicle to enter in velocity radar monitoring range, velocity radar can judge whether vehicle exceeds the speed limit voluntarily according to previous speed restriction setting value, as reach setting value and can send a string character and be transferred to grasp shoot device 2 by signal wire, after receiving signal, candid camera can automatically capture photo, and the speed of a motor vehicle that velocity radar is monitored is added on photo, writing time while, place, type of vehicle, the parameter value such as the number-plate number and vehicle speed value, grasp shoot device 2 sends to processing unit 3 by adaptive network interface by image document information afterwards, processing unit 3 can be transferred to display device 4 picture after receiving picture, for traffic police command centre, monitor.
For the ease of install and adjust position, the outside of this system is provided with simple and easy installation jig.Vehicle speed measuring radar capturing system of the present utility model integrate test the speed, monitor, the function such as candid photograph, can be effectively by over-speed vehicles and not over-speed vehicles be automatically divided into two large classes, from effect, realized the functions such as unmanned, intelligent monitoring and applied widely, work efficiency is high.
In the utility model, grasp shoot device is not limited to colorful digital video camera, as long as realize over-speed vehicles carried out to clear candid photograph, can record simultaneously the isoparametric structure of time, place, type of vehicle, the number-plate number and vehicle speed value all can, as high-resolution color camera etc.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection domain of the present utility model.

Claims (8)

1. a vehicle speed measuring radar capturing system, comprise housing, on described housing, be provided with vehicle speed measuring device (1), grasp shoot device (2), processing unit (3) and display device (4), the pictorial information that described processing unit (3) is captured for receiving and store described grasp shoot device (2), and pictorial information is sent to described display device (4), it is characterized in that:
Described vehicle speed measuring device (1) comprises velocity radar, and described velocity radar adopts plate two-way narrow ripple velocity radar, for monitor whereabouts and come to over-speed vehicles, and produce trigger pip and notify described grasp shoot device (2) real-time grasp shoot hypervelocity vehicle in violation of rules and regulations.
2. a kind of vehicle speed measuring radar capturing system according to claim 1, is characterized in that:
Described processing unit (3) comprises the double-core Atom N28000 processor that fan-free is processed, and described processor is supported the internal memory of DDR31066MHz.
3. a kind of vehicle speed measuring radar capturing system according to claim 2, is characterized in that:
Described processor comprises VGA interface and HDMI interface, and described processing unit (3) is sent to described display device (4) by VGA interface or HDMI interface by image document.
4. a kind of vehicle speed measuring radar capturing system according to claim 3, is characterized in that:
Described display device (4) comprise TFT LCD1024 * 768 resolution 8 cun of display screens and with the supporting touch-screen of display screen.
5. a kind of vehicle speed measuring radar capturing system according to claim 4, is characterized in that:
The visible angle of described display screen is 70 °/70 ° (L/R) and 50 °/70 ° (U/D), supports video color standard PAL-4.43 and NTSC-3.58.
6. according to a kind of vehicle speed measuring radar capturing system described in claim 1 to 5 any one, it is characterized in that:
On described housing, be also provided with chromacoder (5), for when described velocity radar carries out parameter adjustment, the mutual conversion of described velocity radar signal between described grasp shoot device (2) and described processing unit (3).
7. a kind of vehicle speed measuring radar capturing system according to claim 6, is characterized in that:
On described housing, be also provided with input-output unit (6), it is connected with described display device (4), for traffic police command centre, carries out the screening of picture and is uploaded to database.
8. a kind of vehicle speed measuring radar capturing system according to claim 7, is characterized in that:
Described grasp shoot device (2) is colorful digital video camera.
CN201420098739.6U 2014-03-05 2014-03-05 Vehicle speed measurement radar snapshot system Active CN203759875U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104361749A (en) * 2014-12-02 2015-02-18 成都万维图新信息技术有限公司 Wireless public transport system monitoring device
CN107240263A (en) * 2016-03-29 2017-10-10 西安思丹德信息技术有限公司 A kind of road gate vehicle snapshot method
CN108648467A (en) * 2018-05-10 2018-10-12 芜湖航飞科技股份有限公司 A kind of Emergency Vehicle Lane intelligent candid equipment integrating and method based on Radar Technology

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104361749A (en) * 2014-12-02 2015-02-18 成都万维图新信息技术有限公司 Wireless public transport system monitoring device
CN107240263A (en) * 2016-03-29 2017-10-10 西安思丹德信息技术有限公司 A kind of road gate vehicle snapshot method
CN108648467A (en) * 2018-05-10 2018-10-12 芜湖航飞科技股份有限公司 A kind of Emergency Vehicle Lane intelligent candid equipment integrating and method based on Radar Technology

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