CN104590123A - Projection type driving assisting system and processing chip - Google Patents
Projection type driving assisting system and processing chip Download PDFInfo
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- CN104590123A CN104590123A CN201410808688.6A CN201410808688A CN104590123A CN 104590123 A CN104590123 A CN 104590123A CN 201410808688 A CN201410808688 A CN 201410808688A CN 104590123 A CN104590123 A CN 104590123A
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- 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
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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
- B60Q5/00—Arrangement or adaptation of acoustic signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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Abstract
The invention discloses a projection type driving assisting system and a processing chip. The projection type driving assisting system is arranged on an automobile, and comprises an information projection device, an information acquisition device and an information processing device, wherein the information processing device is electrically connected with the information projection device and the information acquisition device, the information acquisition device acquires road condition information in the running direction of the automobile and sends the acquired road condition information to the information processing device, and the information processing device processes the road condition information, generates a processing result and controls the information projection device to project images on front roads. By means of the projection type driving assisting system and the processing chip, barrier prompt information can be given in a traffic safety range in real time, and traffic accidents can be effectively avoided.
Description
Technical field
The present invention relates to vehicle security drive field, particularly relate to a kind of projection driving ancillary system and process chip.
Background technology
When running car is in comparatively spacious, meagrely-populated section, driver often occurs that scatterbrained phenomenon is same, if therefore and greatly the probability now having pedestrian, animal or other vehicle surprisingly to occur through such section increases.
In prior art, in order to improve safety traffic, provide multiple driving ancillary system, as based on radar, image acquisition, GPS etc., but these driving ancillary systems are all the problem weak points in order to solve traffic safety unilaterally reminds driver, all do not allow other traffic participant recognize danger signal, the above-mentioned defect existing for prior art will cause great hidden danger to safety traffic.
Summary of the invention
The invention provides a kind of projection driving ancillary system and process chip.
One embodiment of the invention provides a kind of projection driving ancillary system, this Operation system setting is on automobile, and comprise information projection device, information collecting device and signal conditioning package, signal conditioning package is electrically connected with information projection device and information collecting device respectively, wherein: information collecting device gathers the traffic information on vehicle traveling direction, and the traffic information of collection is sent to signal conditioning package; And signal conditioning package process traffic information is to produce result, and control information grenade instrumentation projects images in road ahead.
Wherein, projection driving ancillary system also comprises warning device, and warning device is electrically connected to signal conditioning package, and signal conditioning package controls warning device according to result; Wherein, signal conditioning package control information grenade instrumentation projects the first image in the road ahead of the first distance, and the first image has driving suggestion content.
Wherein, when signal conditioning package judges have obstacle between the first image and automobile according to information processing result, second distance between further acquisition obstacle and automobile, and control information grenade instrumentation projects the second image at second distance place, wherein the second image has moving car alarm content.
Wherein, signal conditioning package also controls the chaufeur of warning device to automobile and reminds.
Wherein, warning device is speech player, and signal conditioning package controls speech player and carries out voice reminder to the chaufeur of automobile.
Wherein, when signal conditioning package judges have obstacle to be positioned within the first image both sides one predeterminable range according to information processing result, obtain the 3rd distance between obstacle and automobile, and control information grenade instrumentation is at the 3rd distance projection the 3rd image, wherein the 3rd image has driving early warning content.
Wherein, the first image, the second image and the 3rd image are two dimensional image or 3-D view.
Wherein, signal conditioning package also for obtaining the current speed per hour of automobile, and stores stopping distance corresponding to different speed per hour, and the first distance is stopping distance corresponding under current speed per hour.
Wherein, information projection device is set to rotatably, and its crevice projection angle is set to adjustable, signal conditioning package is by calculating crevice projection angle, and the rotation of control information grenade instrumentation adjusts projection distance to crevice projection angle, wherein projection distance comprises the first distance, and crevice projection angle is:
A＝arctan(D/H)；
Wherein A is crevice projection angle, and D is projection distance, and H is the vertical dimension of information projection device relative to ground.
Wherein, when signal conditioning package according to information processing result judge have obstacle be positioned at automobile brake apart from time, the first distance between further acquisition obstacle and automobile, and control information grenade instrumentation projects the first image in the first distance, wherein the first image has moving car alarm content.
Wherein, projection driving ancillary system also comprises warning device, and warning device is electrically connected to signal conditioning package, and signal conditioning package controls the chaufeur of warning device to automobile according to result and reminds.
Another embodiment of the present invention provides a kind of projection driving ancillary system, this Operation system setting is on automobile, and comprise information collecting device, signal conditioning package and information projection device, signal conditioning package is electrically connected with information collecting device and information projection device respectively, wherein: information collecting device collection the traffic information processed on vehicle traveling direction, and result is sent to signal conditioning package; And signal conditioning package is followed according to result control information grenade instrumentation projects images in road ahead.
Wherein, this projection driving ancillary system also comprises: warning device, is electrically connected to signal conditioning package, and whether signal conditioning package controls warning device according to result and remind the chaufeur of automobile; Wherein, signal conditioning package projects the image including in driving suggestion content, moving car alarm early warning content of perhaps driving a vehicle on road according to result control information grenade instrumentation.
Further embodiment of this invention provides a kind of process chip, this process chip is arranged in automobile, and be arranged at information collecting device in automobile with same respectively and information projection device is electrically connected, wherein: the vehicle front road of process chip control information grenade instrumentation outside the first distance projects the first image, and the first image has driving suggestion content; Process chip obtains second distance from information collecting device, and control information grenade instrumentation projects the second image at second distance place, and wherein the second image has moving car alarm content; Wherein, second distance is that information collecting device analyzes the distance of obstacle when driving a vehicle between prompting image and automobile between the obstacle that obtains and automobile.
Wherein, be also provided with warning device in automobile, process chip is electrically connected with warning device, and process chip controls the chaufeur of warning device to automobile according to alarm message further and reminds.
Wherein, process chip obtains the 3rd distance from information collecting device, and control information grenade instrumentation is at the 3rd distance projection the 3rd image, wherein the 3rd image has driving early warning content, the 3rd distance be information collecting device analyze obstacle within the first image both sides one predeterminable range time the obstacle that obtains and automobile between distance.
Wherein, information projection device is set to rotatably, and its crevice projection angle is set to adjustable, process chip is by calculating crevice projection angle, and the rotation of control information grenade instrumentation adjusts projection distance to crevice projection angle, wherein projection distance comprises the first Distance geometry second distance, and crevice projection angle is:
A＝arctan(D/H)；
Wherein A is crevice projection angle, and D is projection distance, and H is the vertical dimension of information projection device relative to ground.
Pass through such scheme, the invention has the beneficial effects as follows: in vehicle traveling process, the traffic information on vehicle traveling direction is gathered by information collecting device, and utilize information projection device projects images on vehicle front road, barrier prompt information can be given in real time in driving safe range, thus effectively can avoid the generation of traffic accident.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of an embodiment of projection of the present invention driving ancillary system;
Fig. 2 is the schematic diagram that in an embodiment of projection of the present invention driving ancillary system, automobile projects the first image in road ahead;
Fig. 3 is the schematic diagram that in an embodiment of projection of the present invention driving ancillary system, automobile projects the second image in road ahead;
Fig. 4 is the schematic diagram of the critical zone defined in an embodiment of projection of the present invention driving ancillary system;
Fig. 5 is the position view of information projection device on automobile in an embodiment of projection of the present invention driving ancillary system.
Detailed description of the invention
Some vocabulary is employed to censure specific assembly in claims and specification sheets.One of skill in the art should understand, and hardware manufacturer may call same assembly with different nouns.These claims and specification sheets are not used as with the difference of title the mode distinguishing assembly, but are used as the criterion of differentiation with assembly difference functionally." comprising " mentioned in claims and specification sheets is open term, therefore should be construed to " including but not limited to ".In addition, " couple " word comprise directly any at this and be indirectly electrically connected means.Therefore, if describe first device in literary composition to be coupled to the second device, then represent described first device and directly can be electrically connected on described second device, or be indirectly electrically connected to described second device by other devices or connection means.
For above and other object of the present invention, feature and advantage can be become apparent, cited below particularly go out preferred embodiment, and coordinate accompanying drawing, be described in detail below:
First refer to Fig. 1 and Fig. 2, Fig. 1 is the system architecture schematic diagram of an embodiment of projection of the present invention driving ancillary system, and Fig. 2 is the schematic diagram that in an embodiment of projection of the present invention driving ancillary system, automobile projects the first image in road ahead.In the first embodiment of projection driving ancillary system of the present invention, this projection driving ancillary system is arranged on automobile 10, as shown in Figure 1, it comprises information projection device 101, information collecting device 102 and signal conditioning package 103, and signal conditioning package 103 is electrically connected with information projection device 101 and information collecting device 102 respectively.
In the present embodiment, information collecting device 102 gathers the traffic information on automobile 10 travel direction, and the traffic information of collection is sent to signal conditioning package 103, signal conditioning package 103 processes traffic information to produce result, and control information grenade instrumentation 101 projects images in road ahead.
In a preferred embodiment, this projection driving ancillary system also comprises warning device 104, and warning device 104 is electrically connected to signal conditioning package 103, and signal conditioning package 103 also controls warning device 104 according to above-mentioned result.
Wherein, traffic information is specifically real-time video or image etc. on automobile 10 travel direction, signal conditioning package 103 by carrying out real-time analysis to produce result to real-time video or image, thus according to result control information grenade instrumentation 101 projects images in road ahead.
Particularly, as shown in Figure 2, in the present embodiment, when automobile 10 travels, signal conditioning package 103 control information grenade instrumentation 101 projects first image 20 with driving suggestion content in the road ahead of the first distance.Wherein, signal conditioning package 103 also for obtaining the current speed per hour of automobile 10, and stores stopping distance corresponding to different speed per hour, the stopping distance that the first distance is corresponding under being preferably current speed per hour.Wherein, the first image 20, such as, can be the image of automobile 10, image or other animations etc. containing moving car alarm statement, having driving for reminding on this track of passerby.
Wherein, information projection device 101 projects visible ray, therefore does not specially require image forming medium, all can imaging on opaque article.
And carrying out reference incorporated by reference to Fig. 3, Fig. 3 is the schematic diagram that in an embodiment of projection of the present invention driving ancillary system, automobile projects the second image in road ahead.As shown in Figure 3, if have obstacle on the track of automobile 10 working direction, when signal conditioning package 103 to determine according to information processing result this obstacle between the first image 20 and automobile 10 time, signal conditioning package 103 obtains the second distance between obstacle and automobile 10, and control information grenade instrumentation 101 stops projection first image 20, and there is in the projection of second distance place the second image 30 of moving car alarm content.It should be noted that the obstacle described in the embodiment of the present invention comprises static-obstacle thing and dynamic barrier, wherein static-obstacle thing can be roadblock, stone etc., and dynamic barrier can be pedestrian, animal or other vehicles etc.
Wherein this second image 30 for example can be character image, as " there is driving herein, dangerous! " etc. there is the word of warning function; in order to improve attention rate, the mode of delivery that information projection device 101 can constantly glimmer projects the second image 30 at second distance place, when obstacle is pedestrian; make pedestrian can obtain warning, thus initiatively withdraws this track.
In a preferred embodiment, the chaufeur that signal conditioning package 103 also controls warning device 104 pairs of automobiles 10 is reminded.The chaufeur also controlling warning device 104 pairs of automobiles 10 due to signal conditioning package 103 is reminded, and therefore, chaufeur can also adopt the mode initiatively avoiding obstacles of drag or lane change, thus guarantees traffic safety.In embodiments of the present invention, warning device 104 can be preferably speech player, and signal conditioning package 103 controls speech player and carries out voice reminder to the chaufeur of automobile 10.
In an embodiment of the present invention, also define a critical zone further, specifically can see Fig. 4, wherein Fig. 4 is the schematic diagram of the critical zone defined in an embodiment of projection of the present invention driving ancillary system.As shown in Figure 4, critical zone is defined as S1 and S2, the outside of S1 and S2 and the first image 20 are at a distance of a predeterminable range L, when signal conditioning package 103 judges have obstacle to be positioned within the first image 20 both sides one predeterminable range L according to information processing result (within S1 or S2 region), if obstacle is dynamic barrier, then this dynamic barrier likely moves to the first image 20 position, and the first image 20 position is the position that automobile 10 will be passed by, therefore automobile 10 has the danger of bumping against with dynamic barrier.
Now signal conditioning package 103 is by obtaining the 3rd distance between dynamic barrier and automobile 10, and control information grenade instrumentation 101 has the 3rd image (not shown) of driving early warning content in the 3rd distance projection, thus prompting dynamic barrier will have automobile 10 and pass by the track at the first image 20 place, after dynamic barrier knows this information, stop entering the first image 20 region, thus avoid the possibility collided with automobile 10, it should be noted that dynamic barrier described herein refers in particular to pedestrian or other vehicles.
In an embodiment of the present invention, the first image 20, second image 30 and the 3rd image can be two dimensional image or 3-D view, and when technology allows, adopt 3-D view to have better prompting effect, the content of projection should have prompting or warning function.And the appearance form of the first image 20, second image 30 and the 3rd image can be diversified: the mode etc. be combined with image as word, image, animation or word.
Below please with further reference to Fig. 5, Fig. 5 be projection of the present invention driving ancillary system an embodiment in the position view of information projection device on automobile 10.As shown in Figure 5, in inventive embodiments, information projection device 101 is set to rotatably, and its crevice projection angle is set to adjustable, signal conditioning package 103 is by calculating crevice projection angle, and control information grenade instrumentation 101 rotates to crevice projection angle to adjust projection distance, wherein, projection distance is such as above-mentioned the first distance, second distance, the 3rd distance, and crevice projection angle obtains by following formula:
A＝arctan(D/H)；
Wherein A is crevice projection angle, and D is projection distance, and H is the vertical dimension of information projection device 101 relative to ground.
Therefore, in the first embodiment of the present invention, the traffic information on automobile 10 travel direction is gathered by information collecting device, and utilize information projection device projects images in automobile 10 road ahead, barrier prompt information can be given in real time in driving safe range, thus effectively can avoid the generation of traffic accident.In the preferred embodiment, because warning device can be reminded chaufeur simultaneously, make traffic participate in both sides and all can obtain prompting, thus avoid the generation of traffic accident further.
Alternatively, refer again to Fig. 1-Fig. 3, in the second embodiment of projection driving ancillary system of the present invention, projection driving ancillary system comprises information projection device 101, information collecting device 102 and signal conditioning package 103.Wherein, information collecting device 102 gathers the traffic information on automobile 10 travel direction when automobile 10 travels, and the traffic information of collection is sent to signal conditioning package 103; Signal conditioning package 103 processes traffic information to produce result; When automobile 10 travels, information projection device 101 temporarily can not projects images (the first image 20 such as, in Fig. 2).When signal conditioning package 103 judges have obstacle to be positioned at the stopping distance of automobile 10 according to information processing result, signal conditioning package 103 obtains the first distance between obstacle and automobile 10, and control information grenade instrumentation 101 has the image (the second image 30 such as, in Fig. 3) of moving car alarm content in the first distance projection.In a preferred embodiment, projection driving ancillary system also comprises warning device 104, and the chaufeur that signal conditioning package 103 also controls warning device 104 pairs of automobiles 10 according to result is reminded.
In a second embodiment, when signal conditioning package 103 judges have obstacle to be positioned at automobile 10 stopping distance according to information processing result, again first distance of control information grenade instrumentation 101 between obstacle and automobile 10 project there is moving car alarm content image (such as, the second image 30 in Fig. 3), for the first embodiment, not be used in automobile 10 driving process medium-term and long-term projection first image 20, therefore can energy efficient, and extend the service life of information projection device 101.
Alternatively, refer again to Fig. 1-Fig. 3, in the 3rd embodiment of projection driving ancillary system of the present invention, projection driving ancillary system comprises information projection device 101, information collecting device 102 and signal conditioning package 103.Wherein, information collecting device 102 is responsible for gathering and processing the traffic information on automobile 10 travel direction simultaneously, and result is sent to signal conditioning package 103, signal conditioning package 103 is followed according to result control information grenade instrumentation 101 projects images in road ahead.Wherein signal conditioning package 103 follows the concrete mode according to result control information grenade instrumentation 101 projects images in road ahead identical with aforementioned first and second embodiments, does not repeat in this.
In the third embodiment, information collecting device 102 is responsible for gathering and processing the traffic information on automobile 10 travel direction simultaneously, can share quite a few work for the treatment of, therefore can alleviate the operand of signal conditioning package 103 for signal conditioning package 103.
The present invention also provides a kind of process chip further, this process chip is arranged in automobile 10, and be arranged at information collecting device 102 in automobile 10 with same respectively and information projection device 101 is electrically connected, wherein: automobile 10 road ahead of process chip control information grenade instrumentation 101 outside the first distance projects the first image 20, first image 20 there is driving suggestion content; Process chip obtains second distance from information collecting device 102, and control information grenade instrumentation 101 projects the second image 30 at second distance place, and wherein the second image 30 has moving car alarm content; Wherein, second distance is that information collecting device 102 analyzes the distance of obstacle when driving a vehicle between prompting image and automobile 10 between the obstacle that obtains and automobile 10.
Wherein, be also provided with warning device 104 in automobile 10, process chip is electrically connected with warning device 104, and the chaufeur that process chip controls warning device 104 pairs of automobiles 10 according to alarm message is further reminded.
Wherein, process chip obtains the 3rd distance from information collecting device 102, and control information grenade instrumentation 101 is at the 3rd distance projection the 3rd image, wherein the 3rd image has driving early warning content, the 3rd distance be information collecting device 102 analyze obstacle within the first image 20 both sides one predeterminable range time the obstacle that obtains and automobile 10 between distance.
Wherein, information projection device 101 is set to rotatably, and its crevice projection angle is set to adjustable, process chip is by calculating crevice projection angle, and control information grenade instrumentation 101 rotates to crevice projection angle to adjust projection distance, wherein projection distance is such as above-mentioned first Distance geometry second distance, and crevice projection angle is:
A＝arctan(D/H)；
Wherein A is crevice projection angle, and D is projection distance, and H is the vertical dimension of information projection device 101 relative to ground.
Therefore, the embodiment of the present invention discloses a kind of projection driving ancillary system and process chip, the traffic information on vehicle traveling direction is gathered by information collecting device, and utilize information projection device projects images on vehicle front road, barrier prompt information can be given in real time in driving safe range, thus effectively can avoid the generation of traffic accident.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (17)
1. a projection driving ancillary system, it is characterized in that, described Operation system setting on automobile, and comprises information projection device, information collecting device and signal conditioning package, described signal conditioning package is electrically connected with described information projection device and described information collecting device respectively, wherein:
Described information collecting device gathers the traffic information on described vehicle traveling direction, and the described traffic information gathered is sent to described signal conditioning package; And
Described in described signal conditioning package process, traffic information is to produce result, and controls described information projection device projects images in road ahead.
2. projection driving ancillary system according to claim 1, it is characterized in that, described projection driving ancillary system also comprises warning device, and described warning device is electrically connected to described signal conditioning package, and described signal conditioning package controls described warning device according to described result;
Wherein, described signal conditioning package controls described information projection device in the road ahead of the first distance, projects the first image, and described first image has driving suggestion content.
3. projection driving ancillary system according to claim 2, it is characterized in that, when described signal conditioning package judges have obstacle between described first image and described automobile according to described information processing result, second distance between the described obstacle of further acquisition and described automobile, and control described information projection device and project the second image at described second distance place, wherein said second image has moving car alarm content.
4. projection driving ancillary system according to claim 3, it is characterized in that, described signal conditioning package also controls the chaufeur of described warning device to automobile and reminds.
5. projection driving ancillary system according to claim 4, it is characterized in that, described warning device is speech player, and described signal conditioning package controls described speech player and carries out voice reminder to the chaufeur of described automobile.
6. projection driving ancillary system according to claim 3, it is characterized in that, when described signal conditioning package judges have obstacle to be positioned within described first image both sides one predeterminable range according to described information processing result, obtain the 3rd distance between described obstacle and described automobile, and controlling described information projection device at described 3rd distance projection the 3rd image, wherein said 3rd image has driving early warning content.
7. projection driving ancillary system according to claim 6, it is characterized in that, described first image, described second image and described 3rd image are two dimensional image or 3-D view.
8. projection driving ancillary system according to claim 2, it is characterized in that, described signal conditioning package also for obtaining the current speed per hour of described automobile, and stores stopping distance corresponding to different speed per hour, and described first distance is described stopping distance corresponding under described current speed per hour.
9. projection driving ancillary system according to claim 2, it is characterized in that, described information projection device is set to rotatably, and its crevice projection angle is set to adjustable, described signal conditioning package is by calculating described crevice projection angle, and control the rotation of described information projection device to described crevice projection angle to adjust projection distance, wherein said projection distance comprises described first distance, and described crevice projection angle is:
A＝arctan(D/H)；
Wherein A is described crevice projection angle, and D is described projection distance, and H is the vertical dimension of described information projection device relative to ground.
10. projection driving ancillary system according to claim 1, it is characterized in that, when described signal conditioning package according to described information processing result judge to have obstacle be positioned at automobile brake apart from time, the first distance between the described obstacle of further acquisition and described automobile, and control described information projection device and project the first image in described first distance, wherein said first image has moving car alarm content.
11. projection driving ancillary systems according to claim 10, it is characterized in that, described projection driving ancillary system also comprises warning device, described warning device is electrically connected to described signal conditioning package, and described signal conditioning package controls the chaufeur of described warning device to automobile according to described result and reminds.
12. 1 kinds of projection driving ancillary systems, it is characterized in that, described Operation system setting on automobile, and comprises information collecting device, signal conditioning package and information projection device, described signal conditioning package is electrically connected with described information collecting device and described information projection device respectively, wherein:
Described information collecting device collection the traffic information processed on described vehicle traveling direction, and result is sent to described signal conditioning package; And
Described signal conditioning package is followed and is controlled described information projection device projects images in road ahead according to described result.
13. projection driving ancillary systems according to claim 12, is characterized in that, also comprise:
Warning device, is electrically connected to described signal conditioning package, and whether described signal conditioning package controls described warning device according to described result and remind the chaufeur of automobile;
Wherein, described signal conditioning package controls described information projection device according to described result on road, projects the image including in driving suggestion content, moving car alarm early warning content of perhaps driving a vehicle.
14. 1 kinds of process chip, is characterized in that, described process chip is arranged in automobile, and are arranged at information collecting device in described automobile with same respectively and information projection device is electrically connected, wherein:
Described process chip controls the vehicle front road of described information projection device outside the first distance projects the first image, and described first image has driving suggestion content;
Described process chip obtains second distance from described information collecting device, and controls described information projection device and project the second image at described second distance place, and wherein said second image has moving car alarm content;
Wherein, described second distance be described information collecting device analyze obstacle between described driving prompting image and described automobile time the described obstacle that obtains and described automobile between distance.
15. process chip according to claim 14, it is characterized in that, also warning device is provided with in described automobile, described process chip is electrically connected with described warning device, and described process chip controls the chaufeur of described warning device to described automobile according to described alarm message further and reminds.
16. process chip according to claim 14, it is characterized in that, described process chip obtains the 3rd distance from described information collecting device, and information projection device described in response limiting is at described 3rd distance projection the 3rd image, wherein said 3rd image has driving early warning content, described 3rd distance be described information collecting device analyze described obstacle within described first image both sides one predeterminable range time the described obstacle that obtains and described automobile between distance.
17. process chip according to claim 14, it is characterized in that, described information projection device is set to rotatably, and its crevice projection angle is set to adjustable, described process chip is by calculating described crevice projection angle, and control the rotation of described information projection device to described crevice projection angle to adjust projection distance, wherein said projection distance comprises second distance described in described first Distance geometry, and described crevice projection angle is:
A＝arctan(D/H)；
Wherein A is described crevice projection angle, and D is described projection distance, and H is the vertical dimension of described information projection device relative to ground.
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| CN201410808688.6A CN104590123A (en) | 2014-12-22 | 2014-12-22 | Projection type driving assisting system and processing chip |
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| CN107804218A (en) * | 2017-11-30 | 2018-03-16 | 深圳市特维视科技有限公司 | Urban public transport traffic safety region acousto-optic prior-warning device system |
| CN108162957A (en) * | 2017-12-21 | 2018-06-15 | 苏州视由谱光电科技有限公司 | A kind of automobile projection pattern system and its projective techniques |
| CN111469758A (en) * | 2019-01-24 | 2020-07-31 | 比亚迪股份有限公司 | Vehicle projection system and method and vehicle |
| CN113450595A (en) * | 2021-06-30 | 2021-09-28 | 江西昌河汽车有限责任公司 | Human-vehicle interaction anti-collision early warning system and early warning method |
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Application publication date: 20150506 |