CN102991425B - System and method for detecting vision blind zone of driving - Google Patents
System and method for detecting vision blind zone of driving Download PDFInfo
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- CN102991425B CN102991425B CN201210428025.2A CN201210428025A CN102991425B CN 102991425 B CN102991425 B CN 102991425B CN 201210428025 A CN201210428025 A CN 201210428025A CN 102991425 B CN102991425 B CN 102991425B
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Abstract
The invention discloses a system and a method for detecting vision blind zone of driving. The system comprises rear-view devices and a rangefinder. The rear-view devices respectively comprise a photographic device and a display device, and are arranged on the frames of left and right external rearview mirrors of the vehicle; the inner side of the external rearview mirror has a rectangular sunk part, the display device is rectangular, and the size of the display device is just suitable for embedding the display device in the sunk part of the external rearview mirror; the rangefinder comprises an ultrasonic probe for emitting ultrasonic waves, an ultrasonic receiving module for receiving the ultrasonic waves reflected by objects, a signal amplification module connected with the ultrasonic receiving module and used for amplifying the signals, and a signal processing module connected with the signal amplification module and used for calculating the distance; and the rangefinder further comprises an alarm device and a control module. The system provided by the invention is convenient for the driver to observe the road conditions in the vision blind zone, the rangefinder can detect the barriers in a 10m range from the vehicle and can alert the driver to pay attention via the alarm device.
Description
Technical field
The invention belongs to the technical field of automobile construction, be specifically related to a kind of vision dead zone detecting system and method.
Background technology
There is the shortcoming that vision is little, blind area is large in the outside rear-view mirror of orthodox car, the generation of many traffic accidents, be all due to driver overtake other vehicles or lane change time because the vision dead zone of proceeds posterolateral, cannot predict danger in advance to cause, the vision dead zone of therefore how to eliminate proceeds posterolateral becomes the emphasis of automobile construction design.In prior art, much all utilize optical principle to reduce the radius of curvature of back mirror to expand the visual field of back mirror, but imaging distortion distortion in back mirror can be made, erroneous judgement is caused to driver, initiation potential, the design of some other dead zone-eliminating also could not all cover proceeds posterolateral blind area, weak effect.Also exist in prior art, at outside vehicle, camera is installed, read out instrument is set in car, but driver also to pay close attention to read out instrument constantly while concern back mirror, takes sb's mind off sth, easily causes danger.
Summary of the invention
The object of this invention is to provide a kind of can cover vehicle proceeds posterolateral vision dead zone detecting system and method, described detecting system can observe the road conditions of proceeds posterolateral vision dead zone intuitively by read out instrument, also remind driver to note there is obstacle in the scope of apomecometer by warning device simultaneously, note dodging.
Another object of the present invention be to provide a kind of can cover vehicle proceeds posterolateral vision dead zone detecting system, described detecting system can need the ultrasonic probe of unlatching according to speed selection, also can measure the distance of obstacle and vehicle simultaneously, remind driver to take corresponding measure by phonetic alarm.
In order to solve prior art Problems existing, at least achieving the above object, the invention discloses a kind of driving visual blind area detection system, comprising:
Rear-view mirror device, it comprises camera head and read out instrument, and described rear-view mirror device is two, is separately positioned on the picture frame of left and right vehicle wheel two outside rear-view mirrors, described picture frame has the schistose texture of a bending; Described camera head comprises the lens bracket of the described camera lens of camera lens, lens mount and connection and described lens mount, the front end of described camera lens is also provided with camera lens sheath, it is provided with camera lens protect glass, and described lens mount is a fixture, is removably connected in described schistose texture;
The inner side of described outside rear-view mirror has a rectangular depressed area, accounts for 1/4 ~ 1/3 of described outside rear-view mirror size; Described read out instrument is flexibly connected with described outside rear-view mirror, its size is the described depressed area just embedding described outside rear-view mirror, the back side is the mirror surface structure with certain curvature, the described camera head of described read out instrument side corresponding to it is connected, for showing the image that described camera head photographs.
Preferably, the upper and lower side of described depressed area has a slide rail respectively, and the upper and lower side of described read out instrument has a slide block respectively, horizontally slips along described slide rail, makes described read out instrument slip in described depressed area or skid off.
Preferably, described vision dead zone detecting system also comprises:
Apomecometer, it comprises launches hypracoustic ultrasonic probe, receive the hypracoustic super sonic receiver module be reflected by the object, be connected with described super sonic receiver module, amplifying signal amplification module is carried out to signal, and is connected with described signal amplification module and the signal processing module carrying out calculating of adjusting the distance; Described ultrasonic probe is 4, and wherein, two are arranged on two ends about vehicle front bumper, and be positioned at the side of vehicle, two other is arranged on the left and right sides of vehicle rear bumper, is positioned at the rear side of vehicle, and the emission port of described ultrasonic probe outwardly;
First warning device, it comprises phonetic alarm and a LED, and described first warning device is two, is separately positioned on the left and right sides of meter panel of motor vehicle;
Secondary Report alarm device, is a square array of 12 ~ 20 LED compositions, is arranged at outside vehicle;
Control module, is connected with described display module, described message processing module, described first warning device and the communication of Secondary Report alarm device, controls whole system, and be connected with the operation control unit of vehicle.
Preferably, described read out instrument is a Liquid Crystal Display.
Preferably, described Secondary Report alarm device is positioned at the top of described vehicle.
Preferably, the camera watch region of described camera head and the search coverage of apomecometer be navigating mate normal driving visual time maximum visual angle edge to the proceeds posterolateral region cannot seen from back mirror edge between blind area.
Preferably, described ultrasonic probe and camera head are provided with the micromatic setting that angle and position can carry out finely tuning.
Preferably, the measurement range of described apomecometer is 10 meters.
Use described driving visual blind area detection system to carry out the method detected, described method comprises the steps:
Step one, when a vehicle is started, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described first warning device and described Secondary Report alarm device and opens;
Step 2, the ultrasonic probe selecting needs to open according to road speed, it comprises:
When vehicle is to be less than the speed low speed driving of 10km/h, control module controls the ultrasonic probe at two ends, unlocking vehicle front bumper left and right;
When vehicle drives at moderate speed with the speed of 10km/h ~ 50km/h, control module controls to open all ultrasonic probes, comprises the ultrasonic probe of two ends, vehicle front bumper left and right and the rear bumper left and right sides;
When vehicle is run at high speed with the speed being greater than 50km/h, control module controls the ultrasonic probe of the unlocking vehicle rear bumper left and right sides;
When step 3, reversing, control module controls the ultrasonic probe of the unlocking vehicle rear bumper left and right sides;
Step 4, when the vehicle is stopped, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described apomecometer, described first warning device and Secondary Report alarm device and closes.
The invention has the beneficial effects as follows: adopt camera detect vehicle vision blind area and show on the display apparatus, need not change the radius of curvature of outside rear-view mirror, image can not metamorphopsic distortion; The outside rear-view mirror of described read out instrument and vehicle is integrated, and navigating mate, after loading onto the described rear-view mirror device in the present invention, does not need the miscellaneous equipment of special attention again except back mirror, more can concentrate one's energy in driving procedure, prevents dangerous generation; Described read out instrument is arranged at the inner side of described outside rear-view mirror, and more convenient driver is for the observation of road conditions in vision dead zone; Described vehicle also has apomecometer, can detect the obstacle within the scope of distance 10 meters, vehicle, and reminds driver to note by the first warning device in car, reminds other vehicles to note dodging by the Secondary Report alarm device of car outside simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of rear-view mirror device described in the detecting system of vision dead zone of the present invention
Fig. 2 is the schematic diagram of vehicle driving blind area of the present invention
Fig. 3 is the structural representation of vision dead zone of the present invention detecting system
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described, can implement according to this with reference to after this specification sheets to make those of ordinary skill in the art.
Fig. 1 and Fig. 3 is driving visual blind area detection system of the present invention, comprises rear-view mirror device, apomecometer, the first warning device, Secondary Report alarm device and control module.Described rear-view mirror device comprises camera head and read out instrument 3, and described camera head is two, is separately positioned on the picture frame 2 of the outside rear-view mirror 1 of left and right vehicle wheel both sides, described picture frame 2 has the schistose texture 8 of a bending; Described camera head comprises camera lens 4, lens mount 11 and is connected the lens bracket 10 of described camera lens 4 and described lens mount 11; the front end of described camera lens 4 is also provided with camera lens sheath 9; it is provided with camera lens protect glass; protective action is played to described camera lens 4; extend its service life; described lens mount 11 is a fixture; removably be connected in described schistose texture 8; for convenience detach; be clipped in described schistose texture 8 when needs use; do not need can unload down easily when using to keep well, a kind of protective effect is also played to described camera head.
The inner side of described outside rear-view mirror 1 has a rectangular depressed area, accounts for 1/4 ~ 1/3 of described outside rear-view mirror size; Described read out instrument 3 is flexibly connected with described outside rear-view mirror 1, is preferably oblong, and the size of described read out instrument 3 is the described depressed area just embedding described outside rear-view mirror 1, and the back side is the mirror surface structure with certain curvature.Described flexible connection is preferably, the upper and lower side of described depressed area has a slide rail respectively, the upper and lower side of described read out instrument 3 has a slide block respectively, horizontally slip along described slide rail, described read out instrument 3 is made to slip in described depressed area or skid off, the described camera head of described read out instrument 3 side corresponding to it is connected, for showing the image that described camera head photographs; When not needing read out instrument 3 and camera head, only described camera head need be unloaded down, slipping into described depressed area along described slide rail after then being overturn by described read out instrument 3, just define traditional outside rear-view mirror.
Navigating mate, after loading onto the described rear-view mirror device in the present invention, does not need special attention again except miscellaneous equipment in driving procedure, and focus as before, does not disperse because of many described read out instruments 3, can concentrate one's energy, prevent dangerous generation.Described read out instrument 3 accounts for 1/4 ~ 1/3 of described outside rear-view mirror 1 size, because described rear-view mirror device has been a kind of booster action, make the visual field of driver openr, dead zone-eliminating, so account for described outside rear-view mirror 1 size 1/4 ~ 1/3 can satisfy the demands, and do not affect the use of traditional rear-view mirror part, be arranged on the inner side of described outside rear-view mirror 1, it is considered that driver is when observation road conditions, what whole outside rear-view mirror from left to right showed successively is from the side of driver to the road conditions on rear side of it, facilitates driver observation and judges.The described camera head of described read out instrument 3 side corresponding to it is connected, and for showing the image that described camera head photographs, driver can see the road conditions of two proceeds posterolateral blind areas, left and right very easily.
Fig. 2 is the schematic diagram of driving vision dead zone of the present invention, its scope be navigating mate normal driving visual time maximum visual angle edge to the proceeds posterolateral region cannot seen from back mirror edge between blind area, A district as shown in Figure 2 and B district.The camera watch region of described camera head is A district and B district, described rear-view mirror device adopts camera head detect vehicle vision blind area, the left and right sides A and B and be presented on described read out instrument 3, need not be broadened one's vision by the radius of curvature changing described outside rear-view mirror 1 as prior art, image can not metamorphopsic distortion, can not impact the driving of driver, described read out instrument 3 is preferably a Liquid Crystal Display.
Described apomecometer comprises launches hypracoustic ultrasonic probe 5, receive the hypracoustic super sonic receiver module be reflected by the object, be connected with described super sonic receiver module, amplifying signal amplification module is carried out to signal, and is connected with described signal amplification module and the signal processing module carrying out calculating of adjusting the distance; Described ultrasonic probe 5 is 4, and wherein, two are arranged on two ends about vehicle front bumper, and be positioned at the side of vehicle, two other is arranged on the left and right sides of vehicle rear bumper, is positioned at the rear side of vehicle, and the emission port of described ultrasonic probe 5 outwardly.When driving, described ultrasonic probe 5 outwards launches super sonic, described super sonic returns when running into obstacle, described super sonic receiver module receives the described super sonic that returns and is transferred to described signal amplification module, the ultrasonic signal returned amplifies by described signal amplification module, described signal processing module is adjusted the distance and is calculated, and result is sent to described control module.The measurement range of described apomecometer is less than 10 meters, if scope is excessive, other some buildings also can impact apomecometer, and driver is obscured, and impact judges, too small, does not have and prevents dangerous effect.Described ultrasonic probe 5 and camera head are provided with the micromatic setting that angle and position can carry out finely tuning, and can finely tune according to the height of driver and the custom be sitting on the position of operator's saddle.
Described first warning device 6 is two, is separately positioned on the left and right sides of described meter panel of motor vehicle, comprises phonetic alarm and a LED, from sound and visually remind driver note; Described Secondary Report alarm device 7 is arranged at outside vehicle, preferably being arranged on the top of described vehicle, is a square array of 12 ~ 20 LED composition, when can not too dazzling remind nearby vehicle dangerous, attention is dodged, to ensure traffic safety.Described control module is connected with described display module 3, described message processing module, described first warning device 6 and Secondary Report alarm device 7 communication, controls, and be connected with the operation control unit of vehicle to whole system.When there is obstacle around, described apomecometer carries out calculating and sending to described obstacle from the distance of vehicle in real time and gives described control module, and Signal transmissions is given described first warning device 6 and Secondary Report alarm device 7 by described control module; To detect that the first warning device 6 of the corresponding side of ultrasonic probe 5 that there is described obstacle is reported to the police, its phonetic alarm carries out audio alert, remind the distance that there is obstacle and this this vehicle of obstacle distance around driver, LED is opened, visually remind driver dangerous in which side, allow driver maintain vigilance state; Described Secondary Report alarm device 7 is reported to the police, and they all LED comprised are opened, and remind other vehicle around dangerous, note dodging.
Driving visual blind area detection system described in utilization carries out the method detected, and comprises the steps:
Step one, when a vehicle is started, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described first warning device 6 and described Secondary Report alarm device 7 and opens;
Step 2, the ultrasonic probe 5 selecting needs to open according to road speed, it comprises:
When vehicle is to be less than the speed low speed driving of 10km/h, control module controls the ultrasonic probe 5 at two ends, unlocking vehicle front bumper left and right, and this hourly velocity is little, and the ultrasonic probe 5 at two ends, vehicle front bumper left and right just can meet the needs of use.
When vehicle drives at moderate speed with the speed of 10km/h ~ 50km/h, control module controls to open all ultrasonic probes, comprises the ultrasonic probe 5 of two ends, vehicle front bumper left and right and the rear bumper left and right sides.Because should consider when driving at moderate speed that the slow vehicle of circumferential velocity also will consider the fireballing vehicle in rear, so all open, 4 described ultrasonic probes 5 with the needs of satisfied use.
When vehicle is run at high speed with the speed being greater than 50km/h, control module controls the ultrasonic probe 5 of the unlocking vehicle rear bumper left and right sides, when vehicle high-speed runs, the effect difference that the ultrasonic probe 5 of described vehicular sideview and rear side plays is little, so the ultrasonic probe 5 of two rear sides just can meet driving needs.
When step 3, reversing, control module controls the ultrasonic probe of the unlocking vehicle rear bumper left and right sides.
Step 4, when the vehicle is stopped, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described apomecometer, described first warning device and Secondary Report alarm device and closes.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. driving visual blind area detection system, is characterized in that, comprising:
Rear-view mirror device, it comprises camera head and read out instrument, and described rear-view mirror device is two, is separately positioned on the picture frame of left and right vehicle wheel two outside rear-view mirrors, described picture frame has the schistose texture of a bending; Described camera head comprises the lens bracket of the described camera lens of camera lens, lens mount and connection and described lens mount, the front end of described camera lens is also provided with camera lens sheath, it is provided with camera lens protect glass, and described lens mount is a fixture, is removably connected in described schistose texture;
The inner side of described outside rear-view mirror has a rectangular depressed area, accounts for 1/4 ~ 1/3 of described outside rear-view mirror size; Described read out instrument is flexibly connected with described outside rear-view mirror, its size is the described depressed area just embedding described outside rear-view mirror, the back side is the mirror surface structure with certain curvature, the described camera head of described read out instrument side corresponding to it is connected, for showing the image that described camera head photographs.
2. driving visual blind area detection system as claimed in claim 1, it is characterized in that, the upper and lower side of described depressed area has a slide rail respectively, the upper and lower side of described read out instrument has a slide block respectively, horizontally slip along described slide rail, make described read out instrument slip in described depressed area or skid off.
3. driving visual blind area detection system as claimed in claim 2, is characterized in that, comprising:
Apomecometer, it comprises launches hypracoustic ultrasonic probe, receive the hypracoustic super sonic receiver module be reflected by the object, be connected with described super sonic receiver module, amplifying signal amplification module is carried out to signal, and is connected with described signal amplification module and the signal processing module carrying out calculating of adjusting the distance; Described ultrasonic probe is 4, and wherein, two are arranged on two ends about vehicle front bumper, and be positioned at the side of vehicle, two other is arranged on the left and right sides of vehicle rear bumper, is positioned at the rear side of vehicle, and the emission port of described ultrasonic probe outwardly;
First warning device, it comprises phonetic alarm and a LED, and described first warning device is two, is separately positioned on the left and right sides of meter panel of motor vehicle;
Secondary Report alarm device, is a square array of 12 ~ 20 LED compositions, is arranged at outside vehicle;
Control module, is connected with described read out instrument, described signal processing module, described first warning device and the communication of Secondary Report alarm device, controls whole system, and be connected with the operation control unit of vehicle.
4. driving visual blind area detection system as claimed in claim 3, it is characterized in that, described read out instrument is a Liquid Crystal Display.
5. driving visual blind area detection system as claimed in claim 3, it is characterized in that, described Secondary Report alarm device is positioned at the top of described vehicle.
6. the driving visual blind area detection system as described in claim 4 or 5, it is characterized in that, the camera watch region of described camera head and the search coverage of apomecometer be navigating mate normal driving visual time maximum visual angle edge to the proceeds posterolateral region cannot seen from back mirror edge between blind area.
7. driving visual blind area detection system as claimed in claim 6, is characterized in that, described ultrasonic probe and camera head are provided with the micromatic setting that angle and position can carry out finely tuning.
8. driving visual blind area detection system as claimed in claim 7, it is characterized in that, the measurement range of described apomecometer is 10 meters.
9. use driving visual blind area detection system as claimed in claim 8 to carry out the method detected, it is characterized in that, comprise the steps:
Step one, when a vehicle is started, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described first warning device and described Secondary Report alarm device and opens;
Step 2, the ultrasonic probe selecting needs to open according to road speed, it comprises:
When vehicle is to be less than the speed low speed driving of 10km/h, control module controls the ultrasonic probe at two ends, unlocking vehicle front bumper left and right;
When vehicle drives at moderate speed with the speed of 10km/h ~ 50km/h, control module controls to open all ultrasonic probes, comprises the ultrasonic probe of two ends, vehicle front bumper left and right and the rear bumper left and right sides;
When vehicle is run at high speed with the speed being greater than 50km/h, control module controls the ultrasonic probe of the unlocking vehicle rear bumper left and right sides;
When step 3, reversing, control module controls the ultrasonic probe of the unlocking vehicle rear bumper left and right sides;
Step 4, when the vehicle is stopped, vehicle operating control unit sends a signal to described control module, and described control module controls described rear-view mirror device, described apomecometer, described first warning device and Secondary Report alarm device and closes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210428025.2A CN102991425B (en) | 2012-10-31 | 2012-10-31 | System and method for detecting vision blind zone of driving |
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| CN201210428025.2A CN102991425B (en) | 2012-10-31 | 2012-10-31 | System and method for detecting vision blind zone of driving |
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| CN102991425B true CN102991425B (en) | 2015-06-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434448B (en) * | 2013-08-07 | 2016-01-27 | 燕山大学 | A kind of elimination car post blind area system and using method thereof |
| CN106740505B (en) * | 2017-02-07 | 2018-12-21 | 深圳市小飞达电子有限公司 | A kind of automobile rear view mirror blind zone detection system and automobile rearview mirror |
| CN109455144A (en) * | 2018-12-20 | 2019-03-12 | 蒋宝泰 | Non-blind area falls visor |
| CN110103830A (en) * | 2019-05-21 | 2019-08-09 | 集美大学 | A kind of vehicle blind zone monitoring and pre-warning system and method |
| CN112633258B (en) * | 2021-03-05 | 2021-05-25 | 天津所托瑞安汽车科技有限公司 | Target determination method and device, electronic equipment and computer readable storage medium |
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| TWM288261U (en) * | 2005-10-28 | 2006-03-01 | Rightech Corp | Hidden structure for display monitor of rear-view mirror on a vehicle |
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