Utility model content
The main purpose of the application is to provide a kind of augmented reality head-up display device, to solve to enhance in the relevant technologiesSpatial volume needed for real head-up display device is big, it is not compact the problem of.
To achieve these goals, according to the one side of the application, a kind of augmented reality head-up display device is provided.
Included according to the augmented reality head-up display device of the application：First imaging unit and the second imaging unit, it is describedFirst imaging unit, for projection-based augmented reality image；Second imaging unit, for projecting vehicle-state image；It is describedFirst imaging unit includes：First display module, the first speculum, the second speculum, first display module are used to showFirst image source simultaneously passes sequentially through first speculum, second speculum, forms first virtual image；Second imaging is singleMember includes：Second display module, third speculum and second display module are for the second image source of display and lead to successivelyThe third speculum is crossed, forms second virtual image；Wherein, first virtual image is augmented reality image, and second virtual image isVehicle-state image.
Further, second speculum and the third speculum are disposed adjacent and are set according to default angle.
Further, the relative distance between first display module and second display module, for adjusting theOne virtual image and the projector distance of second virtual image.
Further, projector distance >=4m of first virtual image.
Further, the projector distance 1.5 of second virtual image is to 3m.
Further, first speculum meets following any condition：
First speculum is no focal power or has the eyeglass of focal power；
The reflecting surface of first speculum is coated with fractional transmission part reflectance coating；And
The reflecting surface of first speculum is coated with polarizing coating.
Further, plane mirror is set between second display module and the first speculum to fold light path.
Further, second display module is set to the first speculum upside or downside.
Further, it is curved mirror to state the second speculum and the third speculum；First speculum is curved mirrorOr plane mirror.
Further, first display module and second display module are LCD, LCOS or DLP module.
In the embodiment of the present application, by the way of more display modules and double light path projection, by the first imaging unit andSecond imaging unit has achieved the purpose that while has ensured that projection is remote, closely two images, it is achieved thereby that space needed for reducingThe technique effect of volume, and then it is big to solve spatial volume needed for augmented reality head-up display device, it is not compact the technical issues of.
Specific embodiment
In order to which those skilled in the art is made to more fully understand application scheme, below in conjunction in the embodiment of the present applicationThe technical solution in the embodiment of the present application is clearly and completely described in attached drawing, it is clear that described embodiment is onlyThe embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill peopleMember's all other embodiments obtained without making creative work should all belong to the model of the application protectionIt encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this wayData can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " toolHave " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unitProcess, method, system, product or equipment are not necessarily limited to those steps or unit clearly listed, but may include without clearIt is listing to Chu or for the intrinsic other steps of these processes, method, product or equipment or unit.
In this application, term " on ", " under ", "left", "right", "front", "rear", " top ", " bottom ", " interior ", " outer "," in ", " vertical ", " level ", " transverse direction ", the orientation of the instructions such as " longitudinal direction " or position relationship be based on orientation shown in the drawings orPosition relationship.These terms are not intended to limit indicated dress primarily to preferably describe the application and embodimentIt puts, element or component must have particular orientation or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or position relationship, it is also possible to for representing itHis meaning, such as term " on " also be likely used for representing certain relations of dependence or connection relation in some cases.For abilityFor the those of ordinary skill of domain, the concrete meaning of these terms in this application can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " should be interpreted broadly.For example,Can be fixedly connected, be detachably connected or monolithic construction；Can be mechanical connection or electrical connection；It can be direct phaseIt is indirectly connected even or by intermediary or is the connections of two inside between device, element or component.For those of ordinary skills, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phaseMutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the augmented reality head-up display device light path schematic diagram according to the relevant technologies, conventional head-up display device 1Light path as shown in Figure 1, the emergent ray of display module 16, reflexes to windshield 2, through windshield 2 through speculum 17,18Reflect to form the virtual image 3.3 upper and lower field rays path of the virtual image is shown in 103,104.It can be seen that using one piece of continuous reflectionDuring mirror 18, display module 16,17 surface of speculum are continuous surface.Augmented reality head-up display device is continuous using one pieceDuring speculum 18, follow-up display module, speculum 17 are also easy to cause light crosstalk.
The application in view of the foregoing drawbacks, by the way of more display modules and double light path projection, passes through the first imaging unitWith the second imaging unit, achieve the purpose that while ensured that projection is remote, closely two images, it is achieved thereby that empty needed for reducingBetween volume technique effect, and then solve that spatial volume needed for augmented reality head-up display device is big, not compact technology is askedTopic.Specifically, the device in the application is as described below.
If Fig. 2 is the augmented reality head-up display device schematic diagram according to the application first embodiment, the application one is implementedA kind of augmented reality head-up display device in example, including：First imaging unit and the second imaging unit, first imaging are singleMember, for projection-based augmented reality image；Second imaging unit, for projecting vehicle-state image；First imaging is singleMember includes：First display module 11, the first speculum 13, the second speculum 14, first display module 11 is for showing theOne image source simultaneously passes sequentially through first speculum 13, second speculum 14, forms first virtual image 4；It is the second one-tenth describedAs unit includes：Second display module 12, third speculum 15 and second display module 12 are for the second image of displaySource simultaneously passes sequentially through the third speculum 15, forms second virtual image 3；Wherein, first virtual image 4 is augmented reality image,Second virtual image 3 is vehicle-state image.
Specifically, the augmented reality head-up display device 1 in the present embodiment can be set to 2 lower section instrument desk of windshieldUnder, the outgoing beam for the display dress that comes back reflects into pleasing to the eye box region through windshield, and vehicle-state image 3 and AR are formed in frontImage 4.Display module 1, speculum 1, speculum 2 14 form AR image optical systems, and display module one shows imageSource light reflects successively through speculum one, speculum two, until windshield reflects, into pleasing to the eye box region and forms void in frontPicture, the virtual image are augmented reality image.Principal rays path is 101.Second display module 12, third speculum 15 form vehicle shapeState image optical system.Second display module shows image source light, is reflected through speculum three, until windshield reflects, entersEye box region simultaneously forms the virtual image in front, and the virtual image is vehicle-state image.Principal rays path is 102.
First display module, 11 opposite second display module 12, the corresponding speculum optical length of distance, same enlargement ratioUnder, imaging has farther projector distance, disclosure satisfy that 4 relative vehicle status image 3 of augmented reality image image has farther outProjector distance.The corresponding design of speculum 14,15 can further control the projection of image 4,3 with different radius of curvatureDistance.
Second speculum 14, third speculum 15 are disposed adjacent in the front of augmented reality head-up display device, and carryCertain angle setting, is respectively used to reflection enhancement real world images, vehicle-state image.First display module, the second display module,First speculum is set to the second speculum side, close to driver side to.
Preferably, the relative distance between first display module and second display module, for adjusting firstThe virtual image and the projector distance of second virtual image.Preferably, projector distance >=4m of first virtual image.Preferably, described second is emptyThe projector distance 1.5 of picture is to 3m.
It is watched for example, driver's eyes are located in eye box region, augmented reality image 4 is located at 3 top of vehicle-state image.Augmented reality image 4 has projector distance farther out, projector distance >=4m, and vehicle-state image has nearer projector distance,1.5~3m of projector distance.
Preferably, Fig. 3 is preferred embodiment schematic diagram in Fig. 2；As shown in figure 3, it is aobvious to come back by adjusting augmented realityShowing device 1 and corresponding speculum group face shape parameter, augmented reality image carries certain inclination angle, with close with practical road surface.Incline401,10~90 ° of angle, preferably inclination angle is set as 45 °.
Preferably, second speculum 14 and the third speculum 15 are disposed adjacent and are set according to default angle.
It please refers to Fig.1 and Fig. 3, as preferred in the present embodiment, first speculum meets any followingPart：First speculum 13 is no focal power or has the eyeglass of focal power；The reflecting surface of first speculum is coated with partTransmissive portion reflectance coating；And the reflecting surface of first speculum is coated with polarizing coating.
For example, speculum 3 15 has different inclination angles, therefore the position of the second display module 12 relative to speculum 2 14With far from the first display module 11, the two being avoided to interfere.Inclination angle difference is angle 111, and it is 2~20 ° to be worth.
For example, the second display module is set to one rear of speculum；Speculum one for no focal power eyeglass or have light focusThe eyeglass of degree participates in the imaging of vehicle-state image as lens.The first speculum of example has focal power positive lens ginseng for one in Fig. 4With imaging.No focal power, negative-power lenses can be selected according to specific design.
For example, the second display module is set to the first speculum rear；First mirror reflection surface is coated with fractional transmission portionDivide reflectance coating or polarizing coating, realize and close Shu Zuoyong.
In one embodiment of the application, between second display module and the first speculum set plane mirror toFold light path.
For example, it is as shown in Figure 5, as a kind of deformation of said program, add folding mirror.Second display module is setIt is placed in the first speculum rear；Plane mirror is set between second display module and the first speculum, to fold light path.
In one embodiment of the application, second display module is set on the upside of first speculum or downside.
For example, as shown in Figure 6, the second display module 12 is set to 13 upside of the first speculum, and the first speculum is not joinedIt is imaged with vehicle-state image.
For example, as shown in Figure 7, the second display module 12 is set to 13 downside of the first speculum, and the first speculum is not joinedIt is imaged with vehicle-state image.
As shown in figure 4, third speculum 15 has different inclination angles, therefore the second display mould relative to the second speculum 14The position of group 12 is with far from the first display module 11, avoiding the two from interfering.Inclination angle difference is angle 111, and it is 2~20 ° to be worth.
For example, the second display module is set to the first speculum rear；First speculum 13 for no focal power eyeglass orThere is the eyeglass of focal power, the imaging of vehicle-state image is participated in as lens.The first speculum of example 13 has focal power for one in figurePositive lens participates in imaging.No focal power, negative-power lenses can be selected according to specific design.
For example, the second display module is set to the first speculum rear；First mirror reflection surface is coated with fractional transmission portionDivide reflectance coating or polarizing coating, realize and close Shu Zuoyong.
In one embodiment of the application, second speculum and the third speculum are curved mirror；Described first is anti-Mirror is penetrated as curved mirror or plane mirror.
In one embodiment of the application, first display module and second display module for LCD, LCOS orDLP modules.
It can be seen from the above description that the present invention realizes following technique effect：
By the way of more display modules and double light path projection, by the first imaging unit and the second imaging unit, reachEnsure that projection is remote, purposes of closely two images simultaneously, it is achieved thereby that the technique effect of spatial volume needed for reducing, intoAnd it is big to solve spatial volume needed for augmented reality head-up display device, it is not compact the technical issues of.
The foregoing is merely the preferred embodiments of the application, are not limited to the application, for the skill of this fieldFor art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repairChange, equivalent replacement, improvement etc., should be included within the protection domain of the application.