Reverse image display packing, Apparatus and systemTechnical field
The present invention relates to car networking technology field, particularly relate to a kind of reverse image display packing, device andSystem.
Background technology
Auto industry goes from strength to strength, and meets people's demand to trip, and increasing people has certainlyOneself automobile, the accident caused due to automobile also gets more and more.Therefore, people are enjoying driving to meBring joyful time, traffic safety is subject to people's attention the most more and more.
Along with the development of automotive engineering, electronic equipment set on automobile gets more and more, vehicle electronicsThe function of equipment is more and more abundanter, and reversing aid system miscellaneous also gets more and more.Reversing auxiliarySystem, it is possible to referred to as parking assist apparatus, is safety aid when automobile parking or reversing,Many barrier situations informing driver's motor vehicle environment with sound or pictorial form.It is applied to down at presentThe vehicle electronic device of car auxiliary has the multiple technologies scheme such as radar for backing car, backup camera.
But, current radar for backing car and backup camera are all by automobile head control station or vehicle-mountedDisplay device shows.And the screen of existing automobile head control station or display device is less, holdIt is easily caused pilot's line of vision to obscure, and reversing process needs driver overlook or side-looking shows and setsStandby, Consumer's Experience is relatively low.
Summary of the invention
The embodiment of the present invention provides a kind of reverse image display packing, Apparatus and system, existing in order to solveThe display screen of reversing aid system is less and reversing process needs overlook or side-looking display device andThe defect caused.
The embodiment of the present invention provides a kind of reverse image display packing, including:
Reverse image display device, during vehicle is moveed backward, obtains reverse image harvester and leads toCross the real-time reverse image of the described vehicle that vehicle-mounted central controller is sent；
Described real-time reverse image is projeced into the windshield of described vehicle by described reverse image display deviceOn so that driver can observe described real-time reverse image with horizontal line of sight.
The embodiment of the present invention provides a kind of reverse image display device, including:
Image capturing unit, for during vehicle is moveed backward, obtains reverse image harvesterBy the real-time reverse image of the described vehicle that vehicle-mounted central controller is sent；
Image projecting unit, for described real-time reverse image being projeced into the windshield of described vehicle,Allow the operator to observe described real-time reverse image with horizontal line of sight.
The embodiment of the present invention provides a kind of reverse image display system, including vehicle-mounted central controller, andThe reverse image harvester communicated to connect with described vehicle-mounted central controller respectively and reverse image display dressPut；
Wherein, described vehicle-mounted central controller, for when detecting that described vehicle is in state of rolling backward, is sent outSend control described reverse image harvester collection and send described vehicle real-time reverse image first controlSystem instruction；And, send the described reverse image display device of control and obtain and project described real-time reversing shadowSecond control instruction of picture；
Described reverse image harvester is for gathering described real-time reversing shadow according to described first control instructionPicture, and by described vehicle-mounted central controller, described real-time reverse image is sent to described reverse image and showsShowing device；
Described reverse image display device is for obtaining the real-time of described vehicle according to described second control instructionReverse image；And described real-time reverse image is projeced on the windshield of described vehicle so that driveMember can observe described real-time reverse image with horizontal line of sight.
The reverse image display packing of present invention offer, Apparatus and system, by throwing real-time reverse imagePenetrate on the windshield of vehicle so that driver can observe in reversing process required with horizontal line of sightEnvironmental information around the tailstock, eliminates that the display screen of existing reversing aid system is less and reversingDuring need to overlook or side-looking display device and the drawback that causes, improve drive safety and improveConsumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to realityExecute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is reverse image display packing embodiment flow chart of the present invention；
Fig. 2 is another embodiment flow chart of reverse image display packing of the present invention；
Fig. 3 is another embodiment flow chart of reverse image display packing of the present invention；
Fig. 4 is another embodiment flow chart of reverse image display packing of the present invention；
Fig. 5 is reverse image display device example structure schematic diagram of the present invention；
Fig. 6 is another example structure schematic diagram of reverse image display device of the present invention；
Fig. 7 is another example structure schematic diagram of reverse image display device of the present invention；
Fig. 8 is reverse image display system example structure schematic diagram of the present invention.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with thisAccompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based onEmbodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premiseThe every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiment one
Fig. 1 is reverse image display packing embodiment flow chart of the present invention；As it is shown in figure 1, the method bagInclude:
S1: reverse image display device, during vehicle is moveed backward, obtains reverse image collection dressPut the real-time reverse image of the described vehicle sent by vehicle-mounted central controller；
Specifically, during this vehicle is moveed backward, reverse image display device is from vehicle-mounted centralController obtains the real-time reverse image of the current time of this vehicle, this image can comprise vehicle weekEnclose the information such as relative position between the situation and this vehicle with the barrier that there is barrier；
It should be noted that above-mentioned reverse image harvester carries out the mode that reverse image collection is takedAny one existing technological means can be used, such as by being installed on the photographic head of the tailstock at this vehicle backingDuring this vehicle of captured in real-time the tailstock around environmental information etc., this is not limited by the present invention.
S2: described real-time reverse image is projeced into the front of described vehicle by described reverse image display deviceOn glass so that driver can observe described real-time reverse image with horizontal line of sight.
It is understood that after this reverse image display device gets the real-time reverse image of this vehicle,Corresponding image procossing can also be carried out, be suitably projeced into the reversing on the windshield of this vehicle to obtainImage, and then driver can be made without rotary head or to bow, and see with horizontal line of sight (or horizontal view angle)Examine the reverse image on windshield and can obtain the environmental information around the tailstock required in reversing process.
The reverse image display packing of the present embodiment, based on the front that real-time reverse image is projeced into vehicleOn glass, so that driver observes the environment around the tailstock required in reversing process with horizontal line of sightInformation, eliminates that the display screen of existing reversing aid system is less and needs to overlook in reversing processOr side-looking display device and the drawback that causes, improve drive safety and improve Consumer's Experience.
It should be noted that the mode that in carrying out car in the present embodiment, glass projection is taked can use arbitraryPlanting existing technological means, this is not limited by the present invention.Such as, existing a kind of glass projection isSystem includes showing grenade instrumentation, image adjusting device and virtual image device；This system carries out glass throwingImage method is: display grenade instrumentation is projected to dmd chip after producing light shafts and carrying out modulation treatment；The information of required display is inputted dmd chip by image adjusting device, and then will by described dmd chipThe light exposing to dmd chip is modulated into display image；Virtual image device is by the display figure after modulationAs by battery of lens method, windshield reflexing to driver's eye position.Additionally, san francisco, usaNavdy company be proposed the head-up display device (Head Up Display, HUD) of a automobile,Can also realize on information projection to piece transparent display of display in the terminals such as mobile phone.
It is understood that the mode that the projection of above-mentioned glass is taked is only schematically, the present invention'sThe enforcement of reverse image display packing is not rely on this.Those of ordinary skill in the art are not paying creationIn the case of the work of property, any one existing glass shadow casting technique means can be chosen according to the actual needsImplement the reverse image display skill scheme of the embodiment of the present invention, the skill shown compared to existing reverse imageArt scheme all can improve the driving safety of reversing process to a certain extent, promotes Consumer's Experience, accordinglyTechnical scheme also should fall into protection scope of the present invention.
Embodiment two
Fig. 2 is another embodiment flow chart of reverse image display packing of the present invention；As in figure 2 it is shown, in realityOn the basis of executing example one, described real-time reverse image is projeced into by above-mentioned steps S2 the front of described vehicleBefore on glass, the method may also include that
S21: described reverse image display device is described according to the distance adjustment between described windshieldThe focal length of car image display, is projeced on described windshield changing described real-time reverse imageImage size.
Under normal circumstances, the car-mounted device such as reverse image harvester in vehicle arrange position be by withFamily is the most freely chosen, such as, can be positioned on the instrument desk of vehicle or be hung at carCorrect position on interior ceiling.It is understood that between reverse image display device and windshieldDistance can affect the size of projected reverse image, and then can affect the quality of projected reverse image.Thus can be by adjusting the focal length of vehicle-backing display device, by the Image Adjusting being projeced on windshield for closingThe suitable size observed, to ensure the quality of the reverse image projected, ensures reversing safety further.
It should be noted that in the present embodiment reverse image display device carry out focusing taked mode canUsing any one existing technological means, this is not limited by the present invention.Such as, existing a kind of throwingShadow instrument includes that least one set can move forward and backward the camera lens of focusing in focusing range, also includes driving camera lensThe focusing motor of movement；When needs re-focuse, carry out automatic focusing according to the following steps:
A1, search and determine can obtain the most clear projection as time camera lens parameter of the most clearly focusing；
A2, described camera lens is adjusted return to zero point, then start mobile described camera lens until stopping from described zero pointOnly in the position corresponding to described the most clearly focusing parameter, complete automatic focusing.
It is understood that above-mentioned reverse image display device carries out focusing, taked mode is only shownMeaning property, the enforcement of the reverse image display packing of the present invention is not rely on this.Ordinary skillPersonnel, in the case of not paying performing creative labour, can choose any one existing according to the actual needsFocusing mode implements the reverse image display skill scheme of the embodiment of the present invention, compared to existing reverse imageThe technical scheme of display all can improve the driving safety of reversing process to a certain extent, promotes user's bodyTesting, corresponding technical scheme also should fall into protection scope of the present invention.
Embodiment three
Fig. 3 is another embodiment flow chart of reverse image display packing of the present invention；As it is shown on figure 3, in realityOn the basis of executing example one, described real-time reverse image is projeced into by above-mentioned steps S2 the front of described vehicleBefore on glass, the method also can farther include:
S20: described reverse image display device increases in described real-time reverse image to be used for assisting car backingBoost line, for described reverse image display device, increase is had the described real-time reversing of described boost lineImage is projeced on the windshield of described vehicle.
Specifically, the boost line of above-mentioned assisting car backing is commonly called as scale line of moveing backward, and it can be at reversing processIn for driver provide more direct reference.Under normal circumstances, this boost line can be adjusted according to body dimensions,Barrier after driver so can be made more accurately to observe car reversing when, protects furtherCard reversing safety also promotes Consumer's Experience when driver moves backward.
Embodiment four
Fig. 4 is another embodiment flow chart of reverse image display packing of the present invention；As shown in Figure 4, in realityOn the basis of executing example two, described real-time reverse image is projeced into by above-mentioned steps S2 the front of described vehicleOn glass, also can farther include:
S20: described reverse image display device increases in described real-time reverse image to be used for assisting car backingBoost line, for described reverse image display device, increase is had the described real-time reversing of described boost lineImage is projeced on the windshield of described vehicle.
It is understood that by increasing the boost line for assisting car backing in real-time reverse image,And by adjusting the focal length of vehicle-backing display device, the Image Adjusting being projeced on windshield is seen for suitableThe size examined, is conducive to improving the quality of the reverse image projected on windshield, and can make driverReversing when more accurately observe car after barrier, further ensure reversing safety andReduce driver is moveed backward technology and the requirement of reversing experience, improve Consumer's Experience.
Embodiment five
Fig. 5 is reverse image display device example structure schematic diagram of the present invention；As it is shown in figure 5, this dressPut and include image capturing unit 10 and image projecting unit 20；
Wherein, image capturing unit 10, for during vehicle is moveed backward, obtains reverse image and adoptsThe real-time reverse image of this vehicle that acquisition means is sent by vehicle-mounted central controller；
Specifically, during this vehicle is moveed backward, image capturing unit 10 is from vehicle-mounted central controlDevice processed obtains the real-time reverse image of the current time of this vehicle, this image can comprise vehicle peripheryThere is the information such as relative position between situation and this vehicle with the barrier of barrier；
Image projecting unit 20, for this real-time reverse image is projeced into the windshield of this vehicle, makesObtain driver and can observe this real-time reverse image with horizontal line of sight.
It is understood that before image projecting unit 20 projects the real-time reverse image of this vehicle, it is also possible toThis reverse image is carried out corresponding image procossing, is suitably projeced on the windshield of this vehicle to obtainReverse image, and then driver can be made without rotary head or to bow, and observe front glass with horizontal line of sightReverse image on glass can obtain the environmental information around the tailstock required in reversing process.
The reverse image display device of the present embodiment, based on the front that real-time reverse image is projeced into vehicleOn glass, so that driver observes the environment around the tailstock required in reversing process with horizontal line of sightInformation, eliminates that the display screen of existing reversing aid system is less and needs to overlook in reversing processOr side-looking display device and the drawback that causes, improve drive safety and improve Consumer's Experience.
Embodiment six
Fig. 6 is another example structure schematic diagram of reverse image display device of the present invention；As shown in Figure 6,On the basis of embodiment five, this device may also include image size adjustment unit 30, and it is for according to being somebody's turn to doDistance between reverse image display device and windshield adjusts the focal length of this reverse image display device,To change the image size that above-mentioned real-time reverse image is projeced on this windshield.
It is understood that the distance between reverse image display device and windshield can affect and be projectedThe size of reverse image, and then the quality of projected reverse image can be affected.Thus can be by adjustingThe focal length of vehicle-backing display device, the size that Image Adjusting is appropriate observation that will be projeced on windshield,To ensure the quality of the reverse image projected, ensure reversing safety further.
Embodiment seven
Fig. 7 is another example structure schematic diagram of reverse image display device of the present invention；As it is shown in fig. 7,On the basis of embodiment six, this device can also include that boost line increases unit 40, and it is used for this reversingImage display increases the boost line for assisting car backing in this real-time reverse image, falls for thisIncrease is had this real-time reverse image of this boost line to be projeced into the front glass of this vehicle by car image displayOn glass.The boost line of this assisting car backing can provide more direct reference for driver in reversing process,Barrier after driver can be made more accurately to observe car reversing when, ensures reversing furtherSafety also promotes Consumer's Experience when driver moves backward.
It should be noted that for device embodiment, due to itself and embodiment of the method basic simlarity,So describe is fairly simple, relevant part sees the part of embodiment of the method and illustrates.
Embodiment eight
Fig. 8 is reverse image display system example structure schematic diagram of the present invention.As shown in Figure 8, this isSystem includes vehicle-mounted central controller 100 and the reversing communicated to connect respectively with vehicle-mounted central controller 100Image acquisition device 200 and reverse image display device 300；
Wherein, vehicle-mounted central controller 100 is for when detecting that vehicle is in state of rolling backward and (such as detectsGear to vehicle is backing car gear) time, send control reverse image harvester 200 and gather and sendFirst control instruction of the real-time reverse image of this vehicle；And send control reverse image display device 300Obtain and project the second control instruction of this real-time reverse image；
It should be noted that above-mentioned vehicle-mounted central controller 100 can receive reverse image harvesterThe second control instruction is sent, to control reverse image display dress while the 200 real-time reverse images sentPut 300 obtain in real time and project this image, and receive without waiting for by all of reverse image.
Reverse image harvester 200 is used for gathering this real-time reverse image according to this first control instruction,And by vehicle-mounted central controller 100, this real-time reverse image is sent to reverse image display device 300；
Such as, the real-time reverse image of this vehicle collected can be sent by reverse image harvester 200To vehicle-mounted central controller 100, and by vehicle-mounted central controller 100 in real time by this real-time reverse imageIt is sent to reverse image display device 300.
Reverse image display device 300 is for obtaining the real-time of this vehicle according to the second above-mentioned control instructionReverse image；And treated real-time reverse image is projeced on the windshield of vehicle so that driveThe person of sailing can observe this real-time reverse image with horizontal line of sight.
Wherein, the processing mode of real-time reverse image can include by adjusting reverse image display device 300Focal length change the image size that real-time reverse image is projeced on the windshield of this vehicle, and/orThis real-time reverse image increases the boost line etc. for assisting car backing.
It is understood that accessed real-time reverse image is entered by this reverse image display device 300The above-mentioned image procossing of row is also projeced on the windshield of this vehicle, and driver can be made without rotary head or lowHead, and the reverse image observed on windshield with horizontal line of sight (or horizontal view angle) can obtain reversingThe environmental information around the tailstock needed for during, eliminates the display screen of existing reversing aid systemLess and reversing process needs overlook or side-looking display device and the drawback that causes, improve driving peaceFull property also improves Consumer's Experience.
As the present embodiment one preferred embodiment, reverse image harvester 200 and reversing shadowAs display device 300 can be communicatively coupled with vehicle-mounted central controller 100 by CAN 400.
CAN is the abbreviation of controller local area network (Controller Area Network), in the world should beWith one of widest fieldbus, its traffic rate, up to 1MBPS, has that transfer rate is fast, structureSimply, high reliability.Therefore, it is attached based on CAN, it is possible to achieve more efficient,Obtain reverse image more reliably, improve the effect that reverse image shows further, it is ensured that the safety of reversingProperty.
As another preferred embodiment of the present embodiment, reverse image harvester 300 can be located atThe correct position being hung in car on ceiling on the instrument desk of vehicle or by connection member, this position can beSpecific implementation process is the most freely chosen by user, and can be by adjusting reverse image collectionThe focal length of device 300, to guarantee the quality of projected reverse image, improves reversing safety further.
Device embodiment described above is only schematically, wherein said illustrates as separating componentUnit can be or may not be physically separate, the parts shown as unit can be orPerson may not be physical location, i.e. may be located at a place, or can also be distributed to multiple networkOn unit.Some or all of module therein can be selected according to the actual needs to realize the present embodimentThe purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissibleUnderstand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each realityThe mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmlyPart.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other wordsDividing and can embody with the form of software product, this computer software product can be stored in computer canRead in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that oneComputer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implementedThe method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to itLimit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this areaPersonnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, orPerson carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skillThe essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.