CN102991425A - 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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- CN102991425A CN102991425A CN2012104280252A CN201210428025A CN102991425A CN 102991425 A CN102991425 A CN 102991425A CN 2012104280252 A CN2012104280252 A CN 2012104280252A CN 201210428025 A CN201210428025 A CN 201210428025A CN 102991425 A CN102991425 A CN 102991425A
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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, the blind area is large in the outside rear-view mirror of orthodox car, the generation of many traffic accidents, all be since the driver overtake other vehicles or during lane change because the vision dead zone of proceeds posterolateral, can't predict in advance danger and cause, vision dead zone therefore how to eliminate proceeds posterolateral becomes the emphasis of automobile construction design.In the prior art, the radius of curvature that much all utilizes optical principle to reduce back mirror enlarges the visual field of back mirror, but can make imaging distortion distortion in the back mirror, cause erroneous judgement disconnected to the driver, initiation potential, the design of some other dead zone-eliminating also fail all to cover proceeds posterolateral blind area, weak effect.Also exist in the prior art at outside vehicle camera is installed, read out instrument is set in car, but the driver also to pay close attention to read out instrument constantly when paying close attention to back mirror, take sb's mind off sth, and easily causes danger.
Summary of the invention
The purpose 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 be observed intuitively by read out instrument the road conditions of proceeds posterolateral vision dead zone, simultaneously also can remind the driver to note in the scope of apomecometer, obstacle being arranged by warning device, note dodging.
Another object of the present invention provide a kind of can cover vehicle proceeds posterolateral vision dead zone detecting system, described detecting system can be according to the ultrasonic probe of speed selection needs unlatching, also can measure simultaneously the distance of obstacle and vehicle, remind the driver to take corresponding measure by phonetic alarm.
The problem that exists in order to solve prior art achieves the above object at least, 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, described rear-view mirror device is two, is separately positioned on the picture frame of two outside rear-view mirrors of left and right vehicle wheel, has the schistose texture of a bending on the described picture frame; Described camera head comprises that camera lens, lens mount and connection be connected the lens bracket of camera lens and described lens mount, the front end of described camera lens also is provided with the camera lens sheath, it is equipped with the camera lens protect glass, and described lens mount is anchor clamps, removably is connected on the described schistose texture;
The inboard of described outside rear-view mirror has a rectangular depression position, accounts for 1/4～1/3 of described outside rear-view mirror size; Described read out instrument and described outside rear-view mirror are flexibly connected, its size is the described depression position that just embeds described outside rear-view mirror, the back side is the mirror surface structure with certain curvature, described read out instrument links to each other with the described camera head of its respective side, is used for showing the image that described camera head photographs.
Preferably, the upper and lower side at described depression position has respectively a slide rail, and the upper and lower side of described read out instrument has respectively a slide block, horizontally slips along described slide rail, makes described read out instrument slip into or skid off at described depression position.
Preferably, described vision dead zone detecting system also comprises:
Apomecometer, it comprises emission hypracoustic ultrasonic probe, the hypracoustic super sonic receiver module that reception is reflected by the object, link to each other with described super sonic receiver module, signal is carried out the amplifying signal amplification module, and the signal processing module that links to each other and adjust the distance and calculate with described signal amplification module; Described ultrasonic probe is 4, and wherein, two are arranged on two ends about vehicle front bumper, are positioned at the side of vehicle, and the left and right sides that two other is arranged on the vehicle rear bumper be positioned at the rear side of vehicle, and the emission port of described ultrasonic probe outwardly;
The first Report alarm device, it comprises phonetic alarm and a LED lamp, described first Report alarm device is two, is separately positioned on the left and right sides of meter panel of motor vehicle;
The Secondary Report alarm device is the square array that 12～20 LED lamps form, and is arranged at outside vehicle;
Control module, communication is connected with the Secondary Report alarm device with described display module, described message processing module, described first Report alarm device, whole system is controlled, and linked to each other 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 search coverage of the camera watch region of described camera head and apomecometer is that the edge at navigating mate normal driving maximum visual angle when visual is to the blind area between the edge in the proceeds posterolateral zone that can't see from back mirror.
Preferably, described ultrasonic probe and camera head are provided with the micromatic setting that angle and position can be finely tuned.
Preferably, the measurement range of described apomecometer is 10 meters.
A kind of method of using described driving visual blind area detection system to detect, described method comprises the steps:
Step 1, when vehicle launch, the vehicle operating control unit sends a signal to described control module, described control module controls described rear-view mirror device, described first Report alarm device and described Secondary Report alarm device is opened;
When vehicle with less than the speed low speed driving of 10km/h the time, the ultrasonic probe at control module control two ends, the unlocking vehicle front bumper left and right sides;
When vehicle drove at moderate speed with the speed of 10km/h～50km/h, all ultrasonic probes were opened in control module control, comprise the ultrasonic probe of two ends, the vehicle front bumper left and right sides and the rear bumper left and right sides;
When vehicle when running at high speed greater than the speed of 50km/h, the ultrasonic probe of the control module control unlocking vehicle rear bumper left and right sides;
When step 3, reversing, the ultrasonic probe of the control module control unlocking vehicle rear bumper left and right sides;
Step 4, when vehicle stop, the vehicle operating control unit sends a signal to described control module, described control module is controlled described rear-view mirror device, described apomecometer, described first Report alarm device and Secondary Report alarm device and is closed.
The invention has the beneficial effects as follows: adopt camera that the vehicle vision dead zone is detected and is presented on the read out instrument, need not change the radius of curvature of outside rear-view mirror, image can metamorphopsic distortion; The outside rear-view mirror of described read out instrument and vehicle is integrated, and behind the described rear-view mirror device of navigating mate in loading onto the present invention, does not need the miscellaneous equipment of again special attention except back mirror in driving procedure, more can concentrate one's energy, and prevents dangerous generation; Described read out instrument is arranged at the inboard of described outside rear-view mirror, and more convenient driver is for the observation of road conditions in the vision dead zone; Described vehicle also has apomecometer, can detect apart from the obstacle in 10 meters scopes of vehicle, and remind the driver to note by first Report alarm device in the car, reminds other vehicles to note dodging by the Secondary Report alarm device of car outside simultaneously.
Description of drawings
Fig. 1 is the structural representation of rear-view mirror device described in the vision dead zone detecting system of the present invention
Fig. 2 is the schematic diagram of vehicle driving of the present invention blind area
Fig. 3 is the structural representation of vision dead zone detecting system of the present invention
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing, so that those of ordinary skills are with reference to implementing according to this behind this specification sheets.
Fig. 1 and Fig. 3 are driving visual blind area detection system of the present invention, comprise rear-view mirror device, apomecometer, first Report alarm 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 outside rear-view mirror 1 of left and right vehicle wheel both sides, has the schistose texture 8 of a bending on the described picture frame 2; 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 also is provided with camera lens sheath 9; it is equipped with the camera lens protect glass; described camera lens 4 is played protective action; prolong its service life; described lens mount 11 is anchor clamps; removably be connected on the described schistose texture 8; for convenience detach; when using, needs are clipped on the described schistose texture 8; can unload down easily when not needing to use and keep well, described camera head is also played a kind of protective effect.
The inboard of described outside rear-view mirror 1 has a rectangular depression position, 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 depression position that just embeds 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 at described depression position has respectively a slide rail, the upper and lower side of described read out instrument 3 has respectively a slide block, horizontally slip along described slide rail, make described read out instrument 3 slip into or skid off at described depression position, described read out instrument 3 links to each other with the described camera head of its respective side, is used for showing the image that described camera head photographs; When not needing read out instrument 3 and camera head, only need described camera head is unloaded down, then with slipping into described depression position along described slide rail after described read out instrument 3 upsets, just formed traditional outside rear-view mirror.
Behind the described rear-view mirror device of navigating mate in loading onto the present invention, do not need again special attention except miscellaneous equipment in driving procedure, focus does not disperse because of many described read out instruments 3 as before, can concentrate one's energy, and prevents 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 driver's the visual field openr, dead zone-eliminating, so accounting for 1/4～1/3 of described outside rear-view mirror 1 size can satisfy the demands, and do not affect the use of traditional rear-view mirror part, be arranged on the inboard of described outside rear-view mirror 1, what consider is that the driver is when observing road conditions, whole outside rear-view mirror from left to right shows successively is from driver's side to the road conditions of its rear side, makes things convenient for driver observation and judges.Described read out instrument 3 links to each other with the described camera head of its respective side, is used for showing the image that described camera head photographs, the road conditions of two proceeds posterolateral blind areas about the driver can see very easily.
Fig. 2 is the schematic diagram of driving vision dead zone of the present invention, and its scope is that the edge at navigating mate normal driving maximum visual angle when visual is to the blind area between the edge in the proceeds posterolateral zone that can't see from back mirror, 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 that left and right sides vehicle vision dead zone A and B are detected and are presented on the described read out instrument 3, need not as prior art, broaden one's vision by the radius of curvature that changes described outside rear-view mirror 1, image can metamorphopsic distortion, can driver's driving not impacted, described read out instrument 3 is preferably a Liquid Crystal Display.
Described apomecometer comprises emission hypracoustic ultrasonic probe 5, the hypracoustic super sonic receiver module that reception is reflected by the object, link to each other with described super sonic receiver module, signal is carried out the amplifying signal amplification module, and the signal processing module that links to each other and adjust the distance and calculate with described signal amplification module; Described ultrasonic probe 5 is 4, and wherein, two are arranged on two ends about vehicle front bumper, are positioned at the side of vehicle, and the left and right sides that two other is arranged on the vehicle rear bumper be positioned at the rear side of vehicle, and the emission port of described ultrasonic probe 5 outwardly.When driving, described ultrasonic probe 5 is the emission super sonic outwards, 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, described signal amplification module amplifies the ultrasonic signal that returns, described signal processing module is adjusted the distance and is calculated, and the result is sent to described control module.The measurement range of described apomecometer is below 10 meters, and other some buildings also can impact apomecometer if scope is excessive, and the driver is obscured, and impact judges, does not too smallly then have a dangerous effect that prevents.Described ultrasonic probe 5 and camera head are provided with the micromatic setting that angle and position can be finely tuned, and can finely tune according to driver's height and the locational custom that is sitting in operator's saddle.
Described first Report alarm 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 lamp, from sound with visually remind the driver to note; Described Secondary Report alarm device 7 is arranged at outside vehicle, being preferably the top that is arranged on described vehicle, is the square array that 12～20 LED lamps form, in the situation that can too dazzling prompting nearby vehicle not dangerous, attention is dodged, to guarantee traffic safety.Described control module and described display module 3, described message processing module, described first Report alarm device 6 are connected communication and are connected with the Secondary Report alarm device, whole system is controlled, and linked to each other with the operation control unit of vehicle.When having obstacle on every side, described apomecometer carries out calculating and sending to described obstacle from the distance of vehicle in real time and gives described control module, and described control module is transferred to described first Report alarm device 6 and Secondary Report alarm device 7 with signal; Report to the police with the first Report alarm device 6 that detects ultrasonic probe 5 respective side that have described obstacle, its phonetic alarm carries out audio alert, remind the driver to have the distance of obstacle and this this vehicle of obstacle distance on every side, the LED lamp is opened, visually remind the driver dangerous in which side, allow driver's state of maintaining vigilance; Described Secondary Report alarm device 7 is reported to the police, and they all LED lamps that comprise are opened, and other vehicle around reminding is dangerous, notes dodging.
The method of utilizing described driving visual blind area detection system to detect comprises the steps:
Step 1, when vehicle launch, the vehicle operating control unit sends a signal to described control module, described control module controls described rear-view mirror device, described first Report alarm device 6 and described Secondary Report alarm device 7 is opened;
When vehicle with less than the speed low speed driving of 10km/h the time, the ultrasonic probe 5 at control module control two ends, the unlocking vehicle front bumper left and right sides, this moment, speed was little, the ultrasonic probe 5 at two ends, the vehicle front bumper left and right sides just can satisfy the needs of use.
When vehicle drove at moderate speed with the speed of 10km/h～50km/h, all ultrasonic probes were opened in control module control, comprise the ultrasonic probe 5 of two ends, the vehicle front bumper left and right sides and the rear bumper left and right sides.Also to consider the fireballing vehicle in rear because should consider the slow vehicle of circumferential velocity when driving at moderate speed, thus 4 described ultrasonic probes 5 are all opened, to satisfy the needs that use.
When vehicle when running at high speed greater than the speed of 50km/h, the ultrasonic probe 5 of the control module control unlocking vehicle rear bumper left and right sides, when vehicle high-speed moves, 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 satisfy the driving needs.
When step 3, reversing, the ultrasonic probe of the control module control unlocking vehicle rear bumper left and right sides.
Step 4, when vehicle stop, the vehicle operating control unit sends a signal to described control module, described control module is controlled described rear-view mirror device, described apomecometer, described first Report alarm device and Secondary Report alarm device and is closed.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification sheets and the embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, 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 of describing.
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, described rear-view mirror device is two, is separately positioned on the picture frame of two outside rear-view mirrors of left and right vehicle wheel, has the schistose texture of a bending on the described picture frame; Described camera head comprises that camera lens, lens mount and connection be connected the lens bracket of camera lens and described lens mount, the front end of described camera lens also is provided with the camera lens sheath, it is equipped with the camera lens protect glass, and described lens mount is anchor clamps, removably is connected on the described schistose texture;
The inboard of described outside rear-view mirror has a rectangular depression position, accounts for 1/4～1/3 of described outside rear-view mirror size; Described read out instrument and described outside rear-view mirror are flexibly connected, its size is the described depression position that just embeds described outside rear-view mirror, the back side is the mirror surface structure with certain curvature, described read out instrument links to each other with the described camera head of its respective side, is used 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 at described depression position has respectively a slide rail, the upper and lower side of described read out instrument has respectively a slide block, horizontally slip along described slide rail, make described read out instrument slip into or skid off at described depression position.
3. driving visual blind area detection system as claimed in claim 2 is characterized in that, comprising:
Apomecometer, it comprises emission hypracoustic ultrasonic probe, the hypracoustic super sonic receiver module that reception is reflected by the object, link to each other with described super sonic receiver module, signal is carried out the amplifying signal amplification module, and the signal processing module that links to each other and adjust the distance and calculate with described signal amplification module; Described ultrasonic probe is 4, and wherein, two are arranged on two ends about vehicle front bumper, are positioned at the side of vehicle, and the left and right sides that two other is arranged on the vehicle rear bumper be positioned at the rear side of vehicle, and the emission port of described ultrasonic probe outwardly;
The first Report alarm device, it comprises phonetic alarm and a LED lamp, described first Report alarm device is two, is separately positioned on the left and right sides of meter panel of motor vehicle;
The Secondary Report alarm device is the square array that 12～20 LED lamps form, and is arranged at outside vehicle;
Control module, communication is connected with the Secondary Report alarm device with described display module, described message processing module, described first Report alarm device, whole system is controlled, and linked to each other with the operation control unit of vehicle.
4. driving visual blind area detection system as claimed in claim 3 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 is characterized in that, described Secondary Report alarm device is positioned at the top of described vehicle.
6. such as claim 4 or 5 described driving visual blind area detection systems, it is characterized in that, the camera watch region of described camera head and the search coverage of apomecometer are that the edge at navigating mate normal driving maximum visual angle when visual is to the blind area between the edge in the proceeds posterolateral zone that can't see from back mirror.
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 be finely tuned.
8. driving visual blind area detection system as claimed in claim 7 is characterized in that, the measurement range of described apomecometer is 10 meters.
9. a method of using driving visual blind area detection system as claimed in claim 8 to detect is characterized in that, comprises the steps:
Step 1, when vehicle launch, the vehicle operating control unit sends a signal to described control module, described control module controls described rear-view mirror device, described first Report alarm device and described Secondary Report alarm device is opened;
Step 2, according to the ultrasonic probe that road speed selects needs to open, it comprises:
When vehicle with less than the speed low speed driving of 10km/h the time, the ultrasonic probe at control module control two ends, the unlocking vehicle front bumper left and right sides;
When vehicle drove at moderate speed with the speed of 10km/h～50km/h, all ultrasonic probes were opened in control module control, comprise the ultrasonic probe of two ends, the vehicle front bumper left and right sides and the rear bumper left and right sides;
When vehicle when running at high speed greater than the speed of 50km/h, the ultrasonic probe of the control module control unlocking vehicle rear bumper left and right sides;
When step 3, reversing, the ultrasonic probe of the control module control unlocking vehicle rear bumper left and right sides;
Step 4, when vehicle stop, the vehicle operating control unit sends a signal to described control module, described control module is controlled described rear-view mirror device, described apomecometer, described first Report alarm device and Secondary Report alarm device and is closed.
Priority Applications (1)
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428025.2A CN102991425B (en) | 2012-10-31 | 2012-10-31 | System and method for detecting vision blind zone of driving |
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| CN102991425A true CN102991425A (en) | 2013-03-27 |
| CN102991425B CN102991425B (en) | 2015-06-03 |
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| CN103434448A (en) * | 2013-08-07 | 2013-12-11 | 燕山大学 | System for eliminating vehicle pillar blind zone and use method thereof |
| CN106740505A (en) * | 2017-02-07 | 2017-05-31 | 深圳市小飞达电子有限公司 | A kind of automobile rear view mirror blind zone detecting 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 |
| CN112633258A (en) * | 2021-03-05 | 2021-04-09 | 天津所托瑞安汽车科技有限公司 | Target determination method, device and equipment and computer readable storage medium |
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| CN112633258A (en) * | 2021-03-05 | 2021-04-09 | 天津所托瑞安汽车科技有限公司 | Target determination method, device and equipment and computer readable storage medium |
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| WO2022183682A1 (en) * | 2021-03-05 | 2022-09-09 | 天津所托瑞安汽车科技有限公司 | Target determination method and apparatus, electronic device, and computer-readable storage medium |
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