CN201984159U - Speed-measuring instrument for flat-plate narrow-wave radar - Google Patents
Speed-measuring instrument for flat-plate narrow-wave radar Download PDFInfo
- Publication number
- CN201984159U CN201984159U CN2011200555473U CN201120055547U CN201984159U CN 201984159 U CN201984159 U CN 201984159U CN 2011200555473 U CN2011200555473 U CN 2011200555473U CN 201120055547 U CN201120055547 U CN 201120055547U CN 201984159 U CN201984159 U CN 201984159U
- Authority
- CN
- China
- Prior art keywords
- radar
- wave
- speed
- measuring instrument
- narrow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model provides a speed-measuring instrument for a flat-plate narrow-wave radar, which can be used for simultaneously measuring a plurality of roadways, is accurate to measure and is characterized by comprising a radar and a control unit, wherein the radar is used for detecting vehicles, the control unit is connected with the radar and used for processing a trigger signal sended out by the radar, and the radar is the flat-plate narrow-wave radar. In the speed-measuring instrument disclosed by the utility model, a planar narrow-wave radar is used, so that a wave emitted by the radar is a beam-shaped radar wave, the simultaneous detection and measurement for the roadways are realized by the same detecting equipment, the detecting accuracy can also be ensured, and the mistaken detection and the mistaken recoding of a previous speed-measuring instrument are effectively avoided.
Description
Technical field
The utility model relates to the narrow ripple radar meter of a kind of flat board, in particular, relates in particular to and a kind ofly can measure and measure dull and stereotyped accurately narrow ripple radar meter to a plurality of tracks simultaneously.
Background technology
The radar major part that present domestic intelligent transportation field uses is Doppler's wide-angle radar, and the ordinary radar emitting antenna is a trumpet type.The situation that the radar meter of this principle often occurs is the first car hypervelocity that is in first lane on the road, triggered the video camera shooting, be that the second car that is positioned at third lane has fallen into lens coverage just, what final penalty note was punished is the second car, the situation that this has just caused mistake to clap.Can cause negative influence to vehicle supervision department simultaneously.
Summary of the invention
The utility model provides a kind of and can measure and measure dull and stereotyped accurately narrow ripple radar meter to a plurality of tracks simultaneously in order to overcome the shortcoming of above-mentioned technical matters.
The narrow ripple radar meter of flat board of the present utility model, its special feature is: comprise that radar that vehicle is detected and the control module that is connected with radar and is used for the trigger pip that radar sends is handled, described radar are dull and stereotyped narrow ripple radar.Employed radar meter is Doppler's wide-angle radar basically in the traffic now, also not the precedent of the narrow ripple radar application of flat board to the knotmeter, dull and stereotyped narrow ripple radar has the detection performance more superior than Doppler's wide-angle radar, has guaranteed the accuracy of measuring.
The narrow ripple radar meter of flat board of the present utility model, the narrow ripple radar of described flat board are the narrow ripple radar of dull and stereotyped multiple spot matrix.Dull and stereotyped narrow ripple radar adopts the emission form of multiple spot matrix, helps forming the radar wave speed of good detection effect more, helps more passing vehicle is measured.
The narrow ripple radar meter of flat board of the present utility model, the narrow ripple radar of described flat board comprises radar antenna, microwave transmitting and receiving module, filtering amplification module and A/D modular converter; Described radar antenna is connected with the filtering amplification module by the microwave transmitting and receiving module, and described filtering amplification module is connected with the A/D modular converter.
The beneficial effects of the utility model are: in the knotmeter of the present utility model, used the narrow ripple radar in plane, the ripple that makes radar send is the pencil radar wave, detect when having realized same checkout equipment and measure a plurality of track, and can also guarantee the accuracy that detects, avoided in the past the flase drop of knotmeter to survey effectively and misdescription was recorded.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model;
Among the figure: 1 dull and stereotyped narrow ripple radar, 2 control modules.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
The radar that is used for the car speed detection need satisfy some basic demands.The antenna that at first is radar must have good directivity, and promptly antenna beamwidth can not be too wide.If not, the vehicle that just has a plurality of tracks enters the radargrammetry zone simultaneously, causes radar can not distinguish objectives, also just can't accurately enforce the law.Can calculate radar beam horizontal direction width according to the actual conditions of road vehicle monitoring should be less than 7 °.Dull and stereotyped multiple spot matrix radar beam (level) is smaller or equal to 5 degree, and car speed detects can be more accurate.
Vehicle outside wave beam causes interference, and the sidelobe level of antenna directivity should be enough low, for example is lower than-15dB.And the radar of import can only reach-13dB usually on the market.In addition,, require the trailing edge of radar beam enough steep in order to reach the accuracy of radar to vehicle location and differentiation track, dull and stereotyped multiple spot matrix radar beam form factor (the 20dB width/-the 3dB width) less than 2.5.
As shown in Figure 1, provided the narrow ripple radar meter of flat board of the present utility model structural representation, it comprises dull and stereotyped narrow ripple radar 1, control module 2; Control module 2 is used for the trigger pip that the narrow ripple radar 1 of flat board sends is received and handles.In order to form good radar beam, dull and stereotyped narrow ripple radar 1 is selected the narrow ripple radar of dull and stereotyped multiple spot matrix for use, comprises radar antenna, microwave transmitting and receiving module, filtering amplification module and A/D modular converter in the radar of this form; Described radar antenna is connected with the filtering amplification module by the microwave transmitting and receiving module, and described filtering amplification module is connected with the A/D modular converter.The radar electric wire is made up of a plurality of little radar antennas that are arranged in matrix.Because of the matrix radar has the antenna of some, radar accuracy and detection speed all are better than radar antenna greatly and count small device.An equipment can accurately be measured all kinds of hypervelocity illegal vehicles on the unidirectional multilane expressway, has statement two-way range rate measurement function; Dull and stereotyped multiple spot matrix radar beam (level) is smaller or equal to 5 degree, and vertical angle 20 degree can not found in advance by electronic cat (radar monitoring instrument).
The advantage of dull and stereotyped multiple spot matrix radar makes antenna only account for the bore area of 146mm * 126mm at first owing to having used proprietary micro-strip array antenna designing technique, just can reach 5 beam angle.By contrast, the import radar uses electromagnetic horn, and depth is long.In order to reach the beam angle below 7 °, the electromagnetic horn size is quite big, means that metal material is many, the processing charges height, and volume is big.The radar antenna sidelobe level that our company produces reaches-15dB, the beam shape factor (the 20dB width/-the 3dB width) near 2, the performance that these outstanding indexs have improved the radar fix vehicle greatly, distinguished the track and avoid adjacent track to disturb.The microstrip antenna processing cost is low, and antenna is very thin, and flexible design, can reach high-performance (wave beam is narrow, secondary lobe is low, shapeliness, gain height, easy coupling etc.).
Because antenna is very thin, be easy to carry out microwave transmitting and receiving system integration design, make whole radar front end (comprise antenna, microwave transmitting and receiving system, intermediate frequency filtering amplify, AD transducer) compact conformation, small-sized (about 146mm * 126mm * 6mm), more help improving electric property and antijamming capability.
The performance that table 1 has provided knotmeter that adopts dull and stereotyped narrow ripple radar and the knotmeter that adopts other radar compares.
Table 1
| ? | Adopt the knotmeter of dull and stereotyped narrow ripple radar | Adopt the knotmeter of other radars |
| Can radar wave be up to the standard 5 °, vertical 20 ° | Energy | Wide-angle |
| Can under the multilane situation, use | Energy | Not |
| Arrange and whether be matrix form | Be that it is accurately to measure arrangement mode necessary in multidimensional image and the signal Processing that matrix form is arranged | Not |
| Positioned vehicle exactly under the closeer situation of traffic flow | Energy | , the radar wave that launches along the road is not easy to be stopped that by the vehicle of exercising with normal separation situations such as lorry, passenger vehicle are arranged especially |
| Whether can prevent that detections of radar instrument (electronic cat) from detecting radar wave in advance, remind the hypervelocity driver in time to slow down | Energy | Not |
Claims (2)
1. narrow ripple radar meter of flat board, it is characterized in that: comprise radar that vehicle is detected and the control module (2) that is connected with radar and is used for the trigger pip that radar sends is handled, described radar is a dull and stereotyped narrow ripple radar (1).
2. the narrow ripple radar meter of flat board according to claim 1 is characterized in that: the narrow ripple radar of described flat board (1) is the narrow ripple radar of dull and stereotyped multiple spot matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200555473U CN201984159U (en) | 2011-03-04 | 2011-03-04 | Speed-measuring instrument for flat-plate narrow-wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200555473U CN201984159U (en) | 2011-03-04 | 2011-03-04 | Speed-measuring instrument for flat-plate narrow-wave radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984159U true CN201984159U (en) | 2011-09-21 |
Family
ID=44611617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200555473U Expired - Fee Related CN201984159U (en) | 2011-03-04 | 2011-03-04 | Speed-measuring instrument for flat-plate narrow-wave radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402861A (en) * | 2011-11-25 | 2012-04-04 | 金庆江 | Vehicle distinguishing and controlling system |
| CN102592457A (en) * | 2012-02-13 | 2012-07-18 | 山东鼎讯智能交通科技有限公司 | Compound type interval velocity-measuring system based on internet of things technology and method thereof |
| CN106910348A (en) * | 2017-04-19 | 2017-06-30 | 合肥工业大学 | A kind of rotary multidirectional car flow detector |
-
2011
- 2011-03-04 CN CN2011200555473U patent/CN201984159U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402861A (en) * | 2011-11-25 | 2012-04-04 | 金庆江 | Vehicle distinguishing and controlling system |
| CN102592457A (en) * | 2012-02-13 | 2012-07-18 | 山东鼎讯智能交通科技有限公司 | Compound type interval velocity-measuring system based on internet of things technology and method thereof |
| CN106910348A (en) * | 2017-04-19 | 2017-06-30 | 合肥工业大学 | A kind of rotary multidirectional car flow detector |
| CN106910348B (en) * | 2017-04-19 | 2023-04-11 | 合肥工业大学 | Rotation type multidirectional traffic flow detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102253370B (en) | Automotive anti-collision radar signal processing device by use of 77GHz millimeter waves | |
| US7884740B2 (en) | Multi-lane vehicle detection apparatus | |
| US5798983A (en) | Acoustic sensor system for vehicle detection and multi-lane highway monitoring | |
| WO2008055338A1 (en) | Monopulse traffic sensor and method | |
| Samczynski et al. | A concept of GSM-based passive radar for vehicle traffic monitoring | |
| CN105917396A (en) | Emergency vehicle alert system | |
| CN111830508B (en) | Road gate anti-smashing system and method adopting millimeter wave radar | |
| EP2546921A3 (en) | Radar field unit for system for avoidance of collision between an aircraft and an obstacle | |
| CN201984159U (en) | Speed-measuring instrument for flat-plate narrow-wave radar | |
| US20090128396A1 (en) | Filling Level Sensor for Short Measuring Distances | |
| CN101915921A (en) | Double-beam four-antenna microwave traffic information detection radar and information detection method | |
| CN105811113A (en) | K-wave band microstrip patch antenna array | |
| CN102841339A (en) | Device and method for detecting wheel | |
| CN101876707A (en) | Millimeter wave/infrared composite detection radar | |
| CN110146899A (en) | A kind of terminal radar barrier sensory perceptual system | |
| CN105372660A (en) | Early warning method and vehicle radar system | |
| CN213091879U (en) | 77GHz millimeter wave banister prevents pounding radar installation | |
| CN101937084A (en) | Low-cost traffic information detecting radar device and detecting method thereof | |
| CN106093458A (en) | Single launching beam triantennary microwave speed and vehicle detect radar and detection method | |
| US20230105880A1 (en) | Tag that enhances vehicle radar visibility of objects | |
| CN209182494U (en) | A kind of trailer-mounted radar array system | |
| CN207398347U (en) | A kind of vehicle-carried microwave radar-probing system | |
| CN103489315A (en) | System and method for recognizing motor vehicles in intelligent transportation system | |
| CN116224236A (en) | MIMO radar antenna array and layout method thereof | |
| JP5570962B2 (en) | Radio wave emission source detection sensor, automatic toll collection system and roadside unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG DINGXUN INTELLIGENT TRAFFIC TECHNOLOGY CO Free format text: FORMER OWNER: SHANDONG DINGXUN INFORMATION INDUSTRY CO., LTD. Effective date: 20140430 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140430 Address after: 9, No. 250100, main building of Grand Science and Technology Industrial Park, No. 2600, Sau Sau Road, Ji'nan hi tech Zone, Shandong Patentee after: Shandong Dingxun Intelligent Traffic Technology Co., Ltd. Address before: High tech Zone Xinyu South Road Ji'nan city Shandong province 250100 first Qilu Software Park Building 8 Room 810 Patentee before: Shandong Dingxun Information Industry Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG DINGXUN INTELLIGENT TRANSPORTATION CO., L Free format text: FORMER NAME: SHANDONG DINGXUN INTELLIGENT TRAFFIC TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 250100 floor, room 905, building No. 608, Ying Xiu Road, high tech Zone, Shandong, Ji'nan, China, 3 Patentee after: Shandong Ding Xun intelligent transportation incorporated company Address before: 9, No. 250100, main building of Grand Science and Technology Industrial Park, No. 2600, Sau Sau Road, Ji'nan hi tech Zone, Shandong Patentee before: Shandong Dingxun Intelligent Traffic Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20200304 |