CN106394564A - Automobile safety distance detection and safety control method - Google Patents
Automobile safety distance detection and safety control method Download PDFInfo
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- CN106394564A CN106394564A CN201610620016.1A CN201610620016A CN106394564A CN 106394564 A CN106394564 A CN 106394564A CN 201610620016 A CN201610620016 A CN 201610620016A CN 106394564 A CN106394564 A CN 106394564A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/14—Adaptive cruise control
- B60W30/16—Control of distance between vehicles, e.g. keeping a distance to preceding vehicle
- B60W30/162—Speed limiting therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/04—Traffic conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo or light sensitive means, e.g. infrared sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo or light sensitive means, e.g. infrared sensors
- B60W2420/403—Image sensing, e.g. optical camera
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- B60W2554/00—Input parameters relating to objects
- B60W2554/80—Spatial relation or speed relative to objects
- B60W2554/801—Lateral distance
Abstract
The invention discloses an automobile safety distance detection and safety control method. An optical imaging visual angle measuring method or a laser infrared method is adopted in front of an automobile for measuring and judging a distance between automobiles, and during optical imaging, a safe signal or an alert signal is given through the correspondence between the size of an image on an imaging target surface and a distance or a direct distance reading. A safety control device is formed by combining a device which adopts an optical imaging visual angle measuring device or a laser infrared device and a reversing radar to measure the distance between the automobiles, a silence, long rhythm sound and short rhythm sound indicating device as well as a green light, yellow light and red light indicating circuit; the potential of test data is inputted to a photoacoustic drive circuit of transistors; and a red light, a yellow light and a green light as well as a sounder are connected to the output of the drive circuit. According to the automobile safety distance detection and safety control method disclosed by the invention, a traffic light system is formed in the automobile through the combination of a measurement and automatic control technology and a visual prompt as well as an alarming method, a safety device is also formed in the automobile, and the automobile safety distance detection and safety control method and the safety control device integrate simplicity, visualization and habits.
Description
Technical field
The invention belongs to automobile safety performance detection technical field is and in particular to automobile safety distance detection and safety are controlled
Method processed.The present invention relates to automobile safety distance detection and method of controlling security and device, especially motorway travel
When guarantee safety safe distance detection control method and device, referred to as in-car " traffic lights " system.
Background technology
With the development of highway, the increase of user vehicle, the safety requirements more and more higher of automobile.Speed, safety away from
State from, driver is the main hidden danger of motor-vehicle accident, how to guarantee car and car in running at high speed, or the peace of car and barrier
Full distance, slowing down in time, stopping is the effective measures of minimizing vehicle accident.It is provided with 0-200m safe distance mark on a highway
Will, reminds driver to take care distance, arranges traffic lights in the intersection of road, the safety that these are all simple and feasible is arranged
Apply.Quickly, driver is also easy to produce fatigue to car speed on a highway, and many accidents are because of overtaking other vehicles or when automobile is spaced too close together
Carelessness knock into the back, with greater need for the prompting when automobile is close when tired.Automatically controlling of safe distance can reduce accident
Occur.
Point out, alert, automatically controlling the effective measures being to ensure that traffic safety.At present on a highway using 0-200m
Safe distance acknowledgement indicator, the traffic lights that city intersection uses all are to ensure that one of orderly, safe measure of driving.
Chinese patent 89200269.7 gives a kind of automobile and tests oneself automatic control anticollision device, visits by circuit part and in front and back
Head, velocity measuring head, electricity touch the composition such as pump, and it automatic detection can go out vehicle front or the danger signal at rear, and can be according to not
Send out braking soft to auto brake system or the instruction of brake hard with situation, thus the generation of minimizing accident to greatest extent.Its
Remarkable advantage is automatic detection and control, and no matter daytime, night or fine day, rainy day can reliably work, and can be with car
The change of speed automatically adjusts spy safe distance and detects from moreover it is possible to collide after anti-, the response time is short for collision before not only can preventing, response
Speed is fast, practical.Speed measuring device is more complicated, and is provided with electricity and touches stick, be not be conceived to overtake other vehicles on a highway or
Carelessness when may knock into the back when automobile is spaced too close together.
Chinese patent 03220953.3 gives automobile distance prior-warning device, belongs to and detects skill using electromagnetic wave safe distance
Art field, including electromagnetic oscillation emitter and electromagnetic wave reception amplifier, amplifies the voltage of rectification through electromagnetic wave reception amplifier
Or current signal transmission range display, described range display includes showing apart from cursor and/or apart from sound prompting, distance
The circuit of cursor display is the voltage comparator and resistance and light emitting diode connection being connected into by divider resistance and integrated transporting discharging
The level indicating circuit being connected into, how many by the pipe number of lumination of light emitting diode, synchronous reflection electromagnetic signal is strong and weak, simultaneous display
Apart from size, it is apart from vision optical signal and audition acoustical signal in terminal conversion.The measurement essence of the wayward spacing of this scheme
Degree.And for installing transmission, the barrier of reception device cannot be carried out range finding and automatic control.
It is related to automobile control, the especially device of linkage brake system and Electronic Control gear shift is gradually ripe, such as EP-
The linkage control device of 466045 and CN1215005 propositions：It is provided with hydraulic speed control valve (the electronic valve ground aperture control of coordinated signals
Brake weight processed) control the braking of automobile, and determine this car by accepting rate signal that front truck sent and brake signal
Braking maneuver behavior, can be produced the effect of linkage, in manual carelessness, automatically generate brake, more may be used with hand-operated brake
Lean on is to be provided with digital controlled signal on skidding power apparatus.
Generally, the method and apparatus of in-car traffic lights is not introduced by prior art.
It is also more and more wide that vehicle travelling data recorder is referred to as automobile-used black box (as Jinxiao Electronic Information Co., Ltd., Nanjing City produces)
General for supporting with vehicle.The data of running time and speed can be recorded, also record other correlation travelling datas.
Content of the invention
The purpose of the present invention is：Automobile safety distance detection and method of controlling security and device are provided, especially public at a high speed
The Vehicular safe distance detection using on road and method of controlling security and device.The main object of the present invention also resides in：Safety
The mark of distance, the habitual security warning of traffic lights loads in-car and organic and car deceleration or brake control system knot
Close.For prompting when closely spaced for the very high automobile of drive speed on expressway.It is also used for overtaking other vehicles or garage is every mistake
Remind when may knock into the back when near or directly to car subtract throttle or brake control it is also possible to help driver field range be subject to from
So during environmental effect, judge spacing, remind driver.The object of the invention also resides in safe distance detection and security control parameter
It is supplied to vehicle travelling data recorder, as one of its information input parameter.
The object of the present invention is achieved like this：Automobile safety distance detection and method of controlling security, is characterized in that Herba Plantaginis
The method of the measurement of Fang Caiyong optical imagery visual angle or laser infrared measures to spacing and judges, optical imagery passes through in imaging
The size of target surface picture sends safety or alarm signal with the corresponding of distance or direct range reading.
The improvement of the present invention is automobile rear to be provided with radar for backing car or optical security apart from detector, for judging reversing
When or travel when car and obstruction distance；It is simultaneously provided with the caution device that automobile safety components are damaged.
The determination of safe distance：According to traffic law, different driving conditions has different drivings to require, for example, in height
Fast highway is marked with 0-200m safe distance mark, and under the conditions of different roads and different weather, its safety driving distance is adjustable
Section.
Safety detection part includes the part of current automobile prior art and part proposed by the present invention, for providing safety
Data, main project has：Safe distance, speed, kinestate (refer to whether driver discontinuous at the appointed time to drive etc.),
Water temperature, brake etc..
Alarm part is that the alarm prompting that partly works in time is driven with auditory tone cueses or warning when secure data exceeds regulation
The person of sailing takes care.Notification portion is to tell driver the security situation of current automobile with traffic lights form.
Executable portion is according to secure data, motoring condition to be automatically controlled and process, if secure data surpasses
Go out regulation, then executable portion can be slowed down in time and be stopped.This partial automobile all has installation or prior art to have and express.
Data record is that the record to automobilism or state partly can help to automobile management and accident analysiss, this portion
Point with the development of automotive engineering and need to have been developed for multiple devices.
The present invention is by not enough part (detection of safe distance etc.) on current automobile and existing safety detection data
Prompt system is warned in the safe bulletin that executable portion, data recording portion are formed in an automobile.
The assay method of obstacle distance during driving, imaging target surface typically adopts the size of CCD or cmos imaging target surface picture
Send signal with the corresponding of distance or direct range reading.By setting the angle of pick-up lenss (below usually with horizontal line
Angle), and by the restriction of vehicle focal zone, overcome the deviation that the size of actual vehicle size causes, by angle
Judge to obtain the actual range of vehicle simultaneously.It is unlikely to affect the judgement of distance because of the size of vehicle.The present invention is a kind of
Optics digital manner, different from the current ultrasound wave mode using, is characterized in that safe distance detection time is short and exports controlled,
The precision that concern measures not too much, focuses on scope and the reliability of safe distance." traffic lights " have been the strongest to people's generation
Change the safety sign with most sensitive reaction, the process being introduced into in-car advantageously reduces the generation of vehicle accident.
The improvement of the present invention is：By judging while to car speed to carry out using more reasonably mode, to automobile speed
The signal of degree can take out from the Hall-type velometer of automobile itself or other velocity sensor, or is combined with Automobile Data Recorder
When from Automobile Data Recorder take out.
When speed is relatively low, the inventive method and device function stop on vehicle, and when meeting or exceeding 70-80KM/H
Shi Zidong hangs up the protection of apparatus of the present invention.
Following content is introduced " traffic lights " warning and automatic control content by the present invention：
1st, safe distance during super expressway driving,
2nd, the distance of car and obstruction when automobile etc. is moveed backward,
3rd, the raising of safe speed,
4th, the warning of the damage of automobile safety components.
The measurement of the present invention, automatic control technology and vivid prompting, alarm method combines, and constitutes " red in automobile
Green light system ", also constitutes in-car safety device, is a kind of simple, vivid method and device combining with custom.At a high speed
On highway or in traveling, driver is pointed out to prevent fatigue, timely ramp to stop, it is effectively prevented vehicle accident.The present invention also may be used
So that by relevant test data and information input vehicle-running recording system, reliable preservation, so that the process of accident and analysis.
Brief description
The present invention can be further illustrated by the nonlimiting examples that accompanying drawing is given；
Fig. 1 is the inventive method system structure diagram
Fig. 2 is traffic light structure of the present invention
Fig. 3 is present invention alarm structure
Fig. 4 is the method structural representation of range-measurement system of the present invention
Specific embodiment
In order that those skilled in the art may be better understood the present invention, with reference to the accompanying drawings and examples to this
Bright technical scheme further illustrates.
The present invention adopt criterion be：Judge the vehicle at more than 160M interval using the camera lens compared with focal length, this is between safety
Every, labelling of warning is green light, to being prewarning area during 100M, is now amber light or the sound at longer interval using labelling of warning,
And as 30M about interval when be emergency alarm region, be now red light or the sound at very brief interval using labelling of warning, described
Warning light can be the light of flicker.The present invention contributes to reducing the accident rate of rear-end collision it is not required that front truck is launched
Digital signal, safe speed bring up to close to the maximal rate that highway allows when amber light light, and exceed red during maximal rate
Lamp lights or flashes, alarming sound also correspondence sounds, automobile etc. reversing when car and obstruction distance judgement also herewith：Approaching
Green light over car number meter, and the warning of the damage of automobile safety components refers to insufficient pressure or the abs sensor of brake hydraulic system
Signal output when abnormal corresponds to above-mentioned traffic lights.
160M interval using the camera lens of longer focal length, general focal length more than 4cm, especially 4-10cm, shorter focal length
Camera lens adopts the equipment of 1-4cm focal length：In order to ensure the resolution of object, make the size of picture proportional to object distance, using many mirrors
Monitoring of structures while head：Focal length and short-focus lens use simultaneously, measurement long distance from when using telephoto lens, and near in measurement
Away from when using short-focus lens.
Assembly of the invention is fabricated structure, and during driving, the mensure present invention of obstacle distance can use a kind of optics digital
Mode device, can be measured with pick-up lenss in brief.
Two camera lens composite construction modes can also be adopted, half (each half of each half or left and right up and down) is focal length, another
Half is short-focus lens.CCD or cmos imaging target surface can adopt linear array or face array.The size of imaging target surface picture and distance
Corresponding relation is set by empirical value, and empirical value is converted into direct range reading and sends safety or alarm signal.
In addition infrared or laser safety distance detection the mode is also had to be：Infrared or laser safety distance detection adopts existing
Infrared or laser safety distance detector, it is possible to use the hand-held that Nanjing Xing Hong company manufactures is infrared or laser safety distance inspection
Survey device it is also possible to take other existing direct-reading safe distance detectors, accordingly connect digital signal from data output,
Make to produce respectively green, yellow, red signal when respective distances 160M, 100M, 30M.
Infraluminescence pipe or semiconductor laser are launched forward, after the radar of backward launched or safe distance detector are contained in
Portion, the linkage control device that linkage servosystem is proposed using similar CN1215005：The hydraulic speed control valve being provided with coordinated signals enters
Row slows down and controls and brake control.
Typical radar for backing car is produced by Shanghai Chi Xiong Electronic Science and Technology Co., Ltd.：Reversing computer caution system function：Logical
Cross and be contained in the distance between the ultrasonic listening automobile tail in tailstock portion and barrier, and provide digital-scroll technique and step by step alarm carry
Show sound, with the change of warning sound or digital distance, driver can accurately judge safe distance when moveing backward, for you easily,
Comfortable reversing improves great convenience property and safety.This function is made up of detector, microcomputer digital control box.Numeral
Distance display, distance corresponding to two parameters of barrier 100cm and 50cm, more than green light during 100cm, less than red light during 50cm,
Centre position is amber light.Become acoustic alarm corresponding to greenish-yellow red light and BIBI sound step by step, the setting of four built-in ultrasonic sensing devices
Meter, omnidirectional detection, no " dead angle ".Object distance after automatic measurement car, after reverse gear shift on automobile suspension, display window can show automatically
Show backing distance, the inconvenience that this function completely solves object after driver cannot see car in reversing and brings, make down
More convenient, safer during car.
As shown in figure 1, waiting in dotted line is prior art.Rate signal in above-mentioned range unit and drive recorder all with
Numerical monitor distance, becomes corresponding to greenish-yellow red light and BIBI sound in safety speed-limit and when marginal zone and hypervelocity area step by step in speed
Acoustic alarm, drive recorder is using the GTBX-2 type monitor producing as Jinxiao Electronic Information Co., Ltd., Nanjing City, but will record
The signal of middle corresponding safe speed and hypervelocity is drawn, and warns corresponding to work is corresponding.
It is provided with during the state of emergency and adjust with the fluid power of the similar coordinated signals of CN1215005 with reference to Chinese patent 03220953.3
Section valve carries out deceleration control and brake controls.
Apparatus of the present invention are measured to spacing using the measurement of optical imagery visual angle or laser infrared device and radar for backing car
Device and noiseless, the long rhythm sound and pipe nipple plays sound instruction device and green light, amber light and red light indicating circuit combine,
Test data current potential input transistors optoacoustic drive circuit, reddish yellow green light and squealer connect drive circuit output.
Fig. 2 is a kind of traffic light structure, and traffic lights are made up of LED amplifier tube etc., when exceeding from a certain group of secure data
During standard, all driving transistor T1, T2 can turn on, so that reddish yellow lamp LEDR, LEDY is lighted
Red light or amber light judge when bright which or one group of group data are above standard and can be shown by control section, prevent in time
Model.
It is respectively equipped with transistor driving reddish yellow green light, the current potential of test data inputs from transistor T1, T2, and T1, T2's is defeated
Go out to hold series resistance to be connected in parallel to the base stage of T3 together with diode, if when reddish yellow lamp LED does not all work during high potential, T3 leads
Logical, the instruction of green LED G can be with safe driving.
Fig. 3 is a kind of warning circuit figure, and when being that amber light is lighted when secure data is exceeded, warning signal drives triggering by D
Part, promotes IC circuit 555 to report with speaker Y；When secure data is exceeded, the driving of D makes triggering part borderland or continuous
IC is promoted so that alarm sound is changed, IC can be language chip or the tinkle of bells.
During as amber light, the tinkle of bells is beep ... beep ... beep
During as red light, the tinkle of bells is beep ... beep ... beep
Fig. 4 is a kind of safe distance detection method, in figure h be install DB height, DB is a kind of digital camera, S be by
Safe distance detects from A is barrier.When the output of DB is DV number AV signal, if barrier A does not enter S, AV signal sets
For " 0 " output；As barrier A enters S, AV signal is set to " 1 " output.
The automobile safety distance the detection above present invention being provided and method of controlling security are described in detail.Specifically real
The explanation applying example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that for the art
For those of ordinary skill, under the premise without departing from the principles of the invention, the present invention can also be carried out with some improvement and modify,
These improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. automobile safety distance detection and method of controlling security, is characterized in that front side adopts the measurement of optical imagery visual angle or laser
Infrared method measures to spacing and judges, pass through during optical imagery in the size of imaging target surface picture and the corresponding of distance or
Direct range reading sends safe or vigilant signal.
2. automobiles safe distance detection as claimed in claim 1 and method of controlling security, is characterized in that automobile rear sets
Have radar for backing car or optical security apart from detector, for judge during reversing or when travelling car and obstruction distance；Set simultaneously
There is the caution device that automobile safety components are damaged.
3. automobiles safe distance as claimed in claim 1 detection and method of controlling security, it is characterized in that with front truck and after
The position of the safe distance of car, is respectively adopted the method instruction of green light, amber light and red light, with the safe distance of front truck and rear car
Position, is respectively adopted noiseless, the long rhythm sound and pipe nipple plays sound instruction.
4. automobiles safe distance detection as claimed in claim 1 and method of controlling security, is characterized in that obstacle during driving
The assay method of thing distance, imaging target surface is typically using size and the corresponding of distance or direct of CCD or cmos imaging target surface picture
Range reading sends signal.
5. automobiles safe distance detection as claimed in claim 1 and method of controlling security, is characterized in that measurement and front truck
Apart from when 160M interval above when using longer focal length camera lens, general focal length is more than 4cm, especially 4--10cm, 100M-
The camera lens of shorter focal length is adopted, using monitoring of structures while many camera lenses when within 30M：Focal length and short-focus lens use simultaneously,
When measurement produces remote using telephoto lens, and when measuring low coverage using short-focus lens.
6. automobiles safe distance detection as claimed in claim 1 and safety control, is characterized in that using two camera lenses
Composite construction mode, half is focal length, and second half is short-focus lens.CCD or cmos imaging target surface can adopt linear array or face
Array.
7. a kind of automobiles safe distance detection and safety control, is characterized in that using the measurement of optical imagery visual angle or swash
Device that light infrared facility and radar for backing car measure to spacing and noiseless, the long rhythm sound and pipe nipple play sound instruction device
And green light, amber light and red light indicating circuit combine, test data current potential input transistors optoacoustic drive circuit, reddish yellow green light
Connect drive circuit output with squealer.
8. automobiles safe distance detection as claimed in claim 7 and safety control, is characterized in that being respectively equipped with crystalline substance
Body pipe drives reddish yellow green light, and the current potential of test data is from transistor T1, T2 input, the outfan series resistance of T1, T2 and two poles
Pipe is connected in parallel to the base stage of T3 together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610620016.1A CN106394564A (en) | 2016-07-30 | 2016-07-30 | Automobile safety distance detection and safety control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610620016.1A CN106394564A (en) | 2016-07-30 | 2016-07-30 | Automobile safety distance detection and safety control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882183A (en) * | 2017-02-24 | 2017-06-23 | 宁波吉利汽车研究开发有限公司 | A kind of caution system and alarming method for power for preventing vehicle rear-end collision |
| CN111572449A (en) * | 2020-04-28 | 2020-08-25 | 东风汽车集团有限公司 | Intelligent automobile backing warning system and control method thereof |
-
2016
- 2016-07-30 CN CN201610620016.1A patent/CN106394564A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106882183A (en) * | 2017-02-24 | 2017-06-23 | 宁波吉利汽车研究开发有限公司 | A kind of caution system and alarming method for power for preventing vehicle rear-end collision |
| CN106882183B (en) * | 2017-02-24 | 2019-08-23 | 宁波吉利汽车研究开发有限公司 | A kind of warning system preventing vehicle rear-end collision and alarming method for power |
| CN111572449A (en) * | 2020-04-28 | 2020-08-25 | 东风汽车集团有限公司 | Intelligent automobile backing warning system and control method thereof |
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