CN104340117A - Anti-collision radar system for vehicle - Google Patents
Anti-collision radar system for vehicle Download PDFInfo
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- CN104340117A CN104340117A CN201310330040.8A CN201310330040A CN104340117A CN 104340117 A CN104340117 A CN 104340117A CN 201310330040 A CN201310330040 A CN 201310330040A CN 104340117 A CN104340117 A CN 104340117A
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Abstract
An anti-collision radar system for a vehicle comprises radar detectors, an infrared distance measurement detector, an infrared imaging sensor, a data processing module, a system terminal and a wireless communication module, wherein two short-distance radar detectors are respectively arranged at the front end and the rear end of each side surface of the vehicle; a short-distance radar detector and the middle-distance infrared distance measurement detector are arranged at the tail of the vehicle; a far-distance radar detector and the infrared imaging sensor are arranged at the head of the vehicle; an inputting end of the digital signal processor is connected with the far-distance radar detector, the short-distance radar detectors and the middle-distance infrared distance measurement detector; an outputting end of the digital signal processor is connected with a signal driving unit; an outputting end of the signal driving unit is connected with the system terminal; and the data processing module is connected with the wireless communication module. The anti-collision radar system for the vehicle has the advantages that the radar system surrounds the periphery of the vehicle; and safe driving assistance can be provided for a driver under the conditions of severe weathers, bad road conditions, traffic jam or fatigue of the driver and the like, and accidents are prevented.
Description
Technical field
The present invention relates to a kind of mobile unit, particularly the automobile-used anti-collision radar system of one.
Background technology
Along with the development of Modern Traffic, express highway mileage increases very fast in recent years, brings promotion to the national economic development.But incident is that traffic accident also frequently occurs.On a highway, very easily there is the even a chain of traffic accident of rear-end collision, headon collision in as poor in inclement weather, road conditions, the situation such as traffic congestion or driver fatigue.This brings great threat safely to the people's lives and property, has also highlighted essentiality and the urgency of development automobile intelligent active safety system.Automobile collision avoidance radar, as a kind of assistant equipments on board, can send warning to imminent collision risk effectively, increases the safety of driving, is thus paid attention to more and more widely.Up to the present the collision avoidance system of automobile is also in conceptual phase, market does not also have the collision avoidance system of ripe automobile.
Summary of the invention
The object of the invention is the defect for existing in prior art, a kind of automobile-used anti-collision radar system is provided.
The main detection mode of anti-collision system for automobile has laser, super sonic, infrared, video, millimeter wave etc., different modes is different on working process and principle of work, but their Main Function is all the relative distance by diverse ways detection front vehicles and this workshop, thus sends warning according to the hazard level of spacing.In various detection mode, although infrared acquisition is not very satisfactory in inclement weather and long distance measurement, difficulty is little technically, and the ranging system of formation is with low cost.Millimeter wave detection has stable detection performance and good compatible with environment, little by interference such as rain, snow, mist, light and dust, is suitable for being used as long distance vehicle anticollision radar.
The present invention forms the anti-collision radar system of automobile in conjunction with the ranging technologies such as super sonic, infrared, millimeter wave and infrared imagery technique, can the ambient conditions of monitoring round of vehicle in real time.When occurring that obstacle maybe will collide, can give warning in advance, and assist chaufeur to take necessary safety measure.Multiple detection mode, by rational mounting arrangements, can meet the basic demand of automobile-used anticollision radar, can reduce again the cost of system.
The present invention includes: ultrasonic proximity radar detector, middle distance infrared distance measurement detector, remote radar detector, infrared imaging sensor, data processing module, system terminal, wireless communication module, data processing module is by digital signal processor (Digital Signal Processor, be called for short DSP), signal driving unit forms, system terminal is by multihead display module, alarm module, brake control module forms, it is characterized in that two ultrasonic proximity radar detectors are respectively installed in the front and back end of described each side of automobile, at the afterbody of automobile, a ultrasonic proximity radar detector and a middle distance infrared distance measurement detector are installed, at the head of automobile, one remote radar detector and an infrared imaging sensor is installed, the vehicle travel situations of the ultrasonic radar monitoring side direction of both sides, ensure there is safe running distance with other vehicles in side.Infrared distance measurement detector is arranged on the tailstock, monitoring back car information.Remote radar detector is arranged on the position of headstock, belongs to long distance radar, can detect spacing and the speed of a motor vehicle that vehicle travels front.Especially in the inclement weathers such as rain, snow, mist, prevent vehicle collides therewith from playing an important role.Infrared imaging sensor, based on infrared imagery technique, is arranged on the position of headstock, the situation of perception vehicle front pedestrian, especially when night travel sight line deficiency, can remind the situation of chaufeur pedestrian.Infrared imaging data show by transferring to the multihead display module of system terminal after data processing module process.Digital signal processor (Digital Signal Processor, be called for short DSP) input end be connected with remote radar detector, ultrasonic proximity radar detector, middle distance infrared distance measurement detector, digital signal processor (DSP) mouth is connected with the input end of signal driving unit, the mouth of signal driving unit is connected with system terminal, and data processing module is connected with wireless communication module.
Described remote radar detector is made up of radar aerial, circulator, coupler, voltage controlled oscillator (VCO) and triangular modulation signal generator, its principle of work is that triangular modulation signal generator produces signal by voltage controlled oscillator (VCO) frequency modulation, again via coupler separting transomission, signal is launched by radar aerial finally by by circulator.Reflected signal, after radar aerial receives, is exported to data processing module through circulator by reflected signal.Radar is the continuous millimeter wave radar of 77GHz frequency modulation.
Described multihead display module, has five picture districts, and what be wherein positioned at middle part is key frame district, and be Reverse Sensor, vehicle GPS, infrared pedestrian's imaging display space, all the other four Ge Fu picture districts are the obstacle information image display area in four orientation all around.
Described alarm module comprises voice message and emergency alarm pattern, described voice message pattern uses the speed of a motor vehicle and the spacing information of voice message exterior vehicle when road conditions are good, emergency alarm pattern is when spacing is less than predetermined value, and the flicker of multihead display module appropriate section alarm lamp is also reminded chaufeur audio alert.
For being electrically connected between the drg of described brak control unit and automobile, bearing circle.
Described wireless communication module is at internal system and digital signal processor (DSP), and signal driving unit realizes data cube computation, with exterior vehicle intercommunication driving information.Wireless communication module and DSP signal transacting and signal driving unit realize data cube computation.When being in an emergency, chaufeur can be assisted to take safety measures in advance, the generation of Accident prevention.
Advantage of the present invention is that whole radar system is looked about at vehicle all around, can provide safe driving, prevent unexpected traffic accident under the extreme natural environments such as difficult traffic environment and sleet mist such as vehicle congestion for chaufeur.。
Accompanying drawing explanation
Fig. 1 system mounting arrangement of the present invention schematic diagram;
Fig. 2 functional block diagram of the present invention;
Fig. 3 multihead display module placement of the present invention schematic block diagram;
Fig. 4 anti-collision radar system practice of the present invention schematic diagram.
In figure: 101 automobiles, 102 operator'ies compartment, 103 instrument carrier panels, the sensor of 104 ultrasonic proximity radars, the sensor of 105 remote radar detectors, 106 infrared imaging sensors, the sensor of 107 middle distance infrared distance measurement detectors, 201 system terminals, 202 data processing modules, 203 remote radar detectors, 204 middle distance infrared distance measurement radars, 205 ultrasonic proximity radars, 206 infrared imaging sensors, 207 wireless communication modules, 301 read-outs, the travel direction of 401 automobiles, 402 radar waves, 403 range findings are infrared, 404 ultrasonic radar ripples, preceding vehicle in 405 travelings, vehicle below in 406 travelings, left side vehicle in 407 travelings, right side vehicle in 408 travelings, 409 running car highways.
Detailed description of the invention
Embodiments of the invention are further illustrated: Fig. 1 is whole anti-collision radar system mounting arrangement schematic diagram below in conjunction with accompanying drawing.The sensor 104 of ultrasonic proximity radar is arranged on left and right sides and the tailstock of automobile 101, the sensor 104 being arranged on the ultrasonic proximity radar of the tailstock belongs to Reverse Sensor, the sensor 104 of the ultrasonic proximity radar of both sides detects vehicle right and left side vehicle condition, the sensor 105 of a remote radar detector is arranged on the dead ahead of automobile 101, detects vehicle, the traffic conditions in automobile dead ahead.The sensor 107 of a middle distance infrared distance measurement detector is arranged in the middle part of the tailstock, the travel situations of monitoring front vehicle.Read-out 301 is arranged on the instrument carrier panel 103 in automobile cab 102, can control the traffic conditions of surrounding for chaufeur in driving procedure in real time, makes up the limitation of naked eyes in sighting distance.
See Fig. 2, be the functional block diagram of whole anti-collision radar system, system is made up of 7 modules.System terminal 201, data processing module 202, remote radar detector 203, middle distance infrared distance measurement radar 204, ultrasonic proximity radar 205, infrared imaging sensor 206 and wireless communication module 207 respectively.System terminal 201 comprises brake control module, alarm module, multihead display module.Alarm module is divided into voice message and emergency alarm two kinds of patterns.Alarm module and multihead display module realize data cube computation, make both can be with the use of.When road conditions traffic is good, the vehicle condition around multihead display module display car body, voice message road traffic condition, and the spacing situation of surrounding vehicles and this car body are the information that chaufeur provides.When road conditions are comparatively severe, weather conditions are not good or the carelessness of chaufeur and cause being in an emergency time, alarm module uses emergency alarm mechanism, use rapid buzz to remind chaufeur at operator's compartment, the read-out corresponding with dangerous point direction (car body all around) is reported to the police with red flashing mode.External automatic whistling.Meanwhile, brake control module starts, and self-actuating brake is slowed down by brake system, assists chaufeur to control vehicle.
Data processing module 202, mainly be made up of digital signal processor (DSP) and signal driving unit, it is mainly responsible for receiving the data processing and transmit from ultrasonic radar sensor, remote radar detector (remote radar detector adopts 77GHz millimeter wave radar) and infrared imaging sensor.And by signal driving unit, the data after process are converted to display, voice signal and control signal and are sent to multihead display module, alarm module and brake control module respectively.
Remote radar detector 203 comprises radar aerial, circulator, coupler, voltage controlled oscillator (VCO), triangular modulation generator.It is arranged on the headstock part of car body, is the long distance radar important component part of anti-collision radar system.When galloping is under the inclement weather conditions such as rain, snow, mist, it can prevent accidents such as knocking into the back by actv..
Middle distance infrared distance measurement radar 204, ultrasonic proximity radar 205 are arranged on afterbody and the left and right sides of automobile respectively, for automobile provides actv. circumference crashproof monitoring.Due to infrared distance sensor and ultrasonic radar relative price cheap, thus can effectively reduce the cost of whole anticollision radar.
Its main portion of infrared imaging sensor 206 is infrared imaging sensor, and mouth is connected with digital signal processor (DSP).Be arranged on the position of headstock, by pedestrian's situation in infrared imagery technique monitoring car front, prevent pedestrian from surprisingly being hit.Be particluarly suitable for the situation that night vision is in poor shape.
Wireless communication module 207 is connected with signal driving unit with digital signal processor (DSP).It is arranged in the instrument carrier panel of operator's compartment, realizes intercoming mutually with other vehicles.When being in an emergency, information can be fed back in time, and feed back to system terminal by data processing module 202, realize the safety measures such as warning and braking.
See Fig. 3, read-out 301 is arranged on the instrument carrier panel of operator's compartment, and display module input end is connected with alarm module with the signal driving unit in data processing module 201.Screen is divided into five picture districts, and according to the thinking habit of people, the vehicle condition all around of car body is tackled mutually with four Ge Fu picture districts 1 ~ 4 of screen respectively.Middle key frame district 5 shows location information, Reverse Sensor information and the infrared imaging information that vehicle GPS obtains.
See the practice schematic diagram that Fig. 4, Fig. 4 are vehicle collision avoidance radar systems.In figure, 409 is running car highway, the travel direction of 401 signal automobiles, 402 is radar wave, 403 range findings are infrared, and 404 be ultrasonic radar ripple, and 405 be preceding vehicle in travelling, 406 is the right side vehicle that to be left side vehicle, 408 in traveling be in traveling of the vehicle, 407 below in travelling.
Claims (6)
1. an automobile-used anti-collision radar system, comprise: ultrasonic proximity radar detector, middle distance infrared distance measurement detector, remote radar detector, infrared imaging sensor, data processing module, system terminal, wireless communication module, data processing module is by digital signal processor, signal driving unit forms, system terminal is by multihead display module, alarm module, brake control module forms, it is characterized in that before each side of automobile, two ultrasonic proximity radar detectors are respectively installed in rear end, at the afterbody of automobile, a ultrasonic proximity radar detector and a middle distance infrared distance measurement detector are installed, at the head of automobile, one remote radar detector and an infrared imaging sensor is installed, the input end of digital signal processor and remote radar detector, ultrasonic proximity radar detector, middle distance infrared distance measurement detector is connected, digital signal processor mouth is connected with the input end of signal driving unit, the mouth of signal driving unit is connected with system terminal, data processing module is formed by digital signal processor and signal driving unit, the vehicle traveling information that data processing module obtains is communicated with other vehicles neighbouring by wireless communication module.
2. automobile-used anti-collision radar system according to claim 1, it is characterized in that described remote radar detector is made up of triangular modulation signal generator, voltage controlled oscillator (VCO), coupler, circulator and radar aerial, radar is the continuous millimeter wave radar of 77GHz frequency modulation.
3. automobile-used anti-collision radar system according to claim 1, it is characterized in that described multihead display module, have five picture districts, what be wherein positioned at middle part is key frame district, for Reverse Sensor, vehicle GPS, infrared pedestrian's imaging display space, all the other four Ge Fu picture districts are the obstacle information image display area in four orientation all around.
4. automobile-used anti-collision radar system according to claim 1, it is characterized in that described alarm module comprises voice message and emergency alarm pattern, described voice message pattern uses the speed of a motor vehicle and the spacing information of voice message exterior vehicle when road conditions are good, emergency alarm pattern is when spacing is less than predetermined value, and the flicker of multihead display module appropriate section alarm lamp is also reminded chaufeur audio alert.
5. automobile-used anti-collision radar system according to claim 1, is characterized in that between the drg of described brak control unit and automobile, bearing circle for being electrically connected.
6. automobile-used anti-collision radar system according to claim 1, it is characterized in that described wireless communication module is at internal system and digital signal processor, signal driving unit realizes data cube computation, with exterior vehicle intercommunication driving information.
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| CN201310330040.8A CN104340117A (en) | 2013-07-31 | 2013-07-31 | Anti-collision radar system for vehicle |
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| CN104786928A (en) * | 2015-03-18 | 2015-07-22 | 佛山市智海星空科技有限公司 | Automobile tail-crash-proof system based on millimeter-wave radar |
| CN104786936A (en) * | 2015-05-05 | 2015-07-22 | 深圳市聚电电子有限公司 | Vehicle main driving A pillar collision early warning system |
| CN104786930A (en) * | 2015-03-25 | 2015-07-22 | 张彬彬 | Automobile rear collision avoidance early warning system |
| CN105828029A (en) * | 2016-03-11 | 2016-08-03 | 乐卡汽车智能科技（北京）有限公司 | Vehicle collision monitoring system, method and apparatus |
| CN105946709A (en) * | 2016-07-11 | 2016-09-21 | 安庆新景技电子科技有限公司 | Safe driving assisting device |
| CN106228634A (en) * | 2016-07-13 | 2016-12-14 | 合肥指南针电子科技有限责任公司 | A kind of vehicle safety management system |
| CN106218636A (en) * | 2016-07-21 | 2016-12-14 | 浙江吉利汽车研究院有限公司 | A kind of traffic congestion aid system |
| CN106240565A (en) * | 2015-06-10 | 2016-12-21 | 福特全球技术公司 | Collision alleviates and hides |
| CN106813649A (en) * | 2016-12-16 | 2017-06-09 | 北京远特科技股份有限公司 | A kind of method of image ranging localization, device and ADAS |
| CN107015219A (en) * | 2017-03-27 | 2017-08-04 | 上海斐讯数据通信技术有限公司 | Collision-proof method and its system with radar imagery function |
| CN107415823A (en) * | 2017-04-21 | 2017-12-01 | 南京工程学院 | Life entity anticollision method for early warning in running car based on ULTRA-WIDEBAND RADAR |
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| CN104786930A (en) * | 2015-03-25 | 2015-07-22 | 张彬彬 | Automobile rear collision avoidance early warning system |
| CN104786936A (en) * | 2015-05-05 | 2015-07-22 | 深圳市聚电电子有限公司 | Vehicle main driving A pillar collision early warning system |
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| CN105946709A (en) * | 2016-07-11 | 2016-09-21 | 安庆新景技电子科技有限公司 | Safe driving assisting device |
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| CN106218636A (en) * | 2016-07-21 | 2016-12-14 | 浙江吉利汽车研究院有限公司 | A kind of traffic congestion aid system |
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| CN107415823A (en) * | 2017-04-21 | 2017-12-01 | 南京工程学院 | Life entity anticollision method for early warning in running car based on ULTRA-WIDEBAND RADAR |
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| CN107444256A (en) * | 2017-07-31 | 2017-12-08 | 合肥光照信息科技有限公司 | A kind of automobile omnibearing collision avoidance system and its method |
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| CN107521456A (en) * | 2017-09-29 | 2017-12-29 | 深圳市京弘全智能科技股份有限公司 | A kind of vehicle starting device with automatic identification function |
| CN107742436A (en) * | 2017-10-19 | 2018-02-27 | 贵州大学 | It is a kind of based on double parking stall searching systems for selecting distance measuring sensor |
| CN108638967B (en) * | 2018-06-15 | 2021-12-17 | 轩辕智驾科技（深圳）有限公司 | Early warning method of automobile early warning system based on millimeter wave radar |
| CN108638967A (en) * | 2018-06-15 | 2018-10-12 | 轩辕智驾科技（深圳）有限公司 | A kind of Car warning system and method for early warning based on millimetre-wave radar |
| CN108973854A (en) * | 2018-06-28 | 2018-12-11 | 四川复海生态环保科技有限责任公司 | For preventing the system and method for vehicle traffic accident |
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Effective date of registration: 20151221 Address after: 430075 Hubei Development Zone, East Lake, Optics Valley Venture Street, building 7, building 14, building Applicant after: Wuhan FineMEMS Inc. Address before: 214135 Jiangsu province Wuxi city Wuxi District Taihu international science and Technology Park of University Science and Technology Park Qingyuan Road 530 building C905 Applicant before: Wuxi Hui Sidun Science and Technology Ltd. Applicant before: Wuhan FineMEMS Inc. |
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