CN105652443A - HUD-based optical path transmission system, method and device - Google Patents
HUD-based optical path transmission system, method and device Download PDFInfo
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- CN105652443A CN105652443A CN201610013635.4A CN201610013635A CN105652443A CN 105652443 A CN105652443 A CN 105652443A CN 201610013635 A CN201610013635 A CN 201610013635A CN 105652443 A CN105652443 A CN 105652443A
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- reflecting mirror
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
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Abstract
The invention discloses a HUD-based optical path transmission system and a method. The system comprises an emitting device used for emitting the light; an imaging device used for receiving the light emitted by the emitting device, imaging a frame after the twice reflection process and then sending the imaged frame to the emitting device; and a reflecting device used for magnifying the imaged frame and then imaging. Through the twice reflection process, the emitting device, namely a micro X-ray machine, can be imaged on the back penetration film of the reflecting device According to the technical scheme of the invention, the HUD-based optical path transmission system is simple in structure and is different from the designs of existing optical path products. The frame imaging operation is realized through the twice reflection process in the imaging device and then the imaged frame is transmitted to the emitting device. Therefore, the product length is effectively shortened. At the same time, the working height of an entire HUD is effectively reduced, so that the system can be applied to more models of vehicles.
Description
Technical field
The present invention relates to paths mode, particularly to a kind of paths system and method based on HUD.
Background technology
HUD HUD (HeadUpDisplay), is generally use flight supplementary instrument on aircraft. What come back is meant that pilot need not bow just it can be seen that his important information of needing. Because the convenience of HUD and can improve flight safety, airliner also follows up installation one after another. HUD is the principle utilizing optical reflection, important flight relevent information is incident upon above a sheet glass. This what passenger cabin front end, sheet glass position, highly substantially becomes level with the eyes of pilot, and the word of projection and image adjustment, on the distance of focal length infinity, time pilot sees toward front through HUD, will not hamper the running of eyes, and maintenance clearly indicates.
The basic framework of HUD comprises two parts: data processing unit and image display. Data processing unit is the Hou of the data conformity process by system each on aircraft, and the patten transformation according to selecting becomes symbol set in advance, figure or the kenel with word or numeral to export. Signal is processed and is divided into two devices with image output by some product, but is generally all similar working method. Image display is just mounted in passenger cabin front, between pilot and canopy spatially. Image display receives the information from data processing device, is incident upon above glass. Display device and with control panel, it is possible to reconcile or change the image of output.
The HUD of a new generation improvement in image display includes adopting full figure photography (Holographic) display mode, expand the scope of show image, especially the field-of-view angle in increase level, reduce the thickness of support to the restriction in the what visual field and impact, strengthen different luminosity and the display adjustment under external environment, the definition of strengthening image, with coordinating that other optical images export, for example can the aircraft forward image that infrared image camera produces be projected directly on HUD, show with other data fusion, coordinate the use of night vision goggles and adopt chromatic image display data.Improvement on data processing unit includes speed and the efficiency that raising processes, and image is incident upon on the fixing device in passenger cabin front by HUD, and when pilot's rotation head time, these images will his field range away from keyboard. The HUD of a new generation is more suitable for being used on automobile widely.
In the intrinsic notion of people, driving that what should focus on is safety naturally, but universal along with smart mobile phone, cellphone subscribers are independent of facility that mobile phone brings and quick all the time. Phone, note, wechat real-time communication, multimedia use, digital map navigation instrument etc. these, but in " race of bowing " increasing today, mobile phone brings the safety that our facility but strong influence is driven. The vehicle accident of various ways is all owing to car owner causes due to use mobile phone in driving procedure. Automobile vendors come to realise the importance of middle control screen, add vehicle as maximum terminal unit, more allow this block " screen " on car become place contested by all strategists. But the existence of vehicle-mounted middle control screen really to allow driving variable obtain safer, but in real experiences, still have the every drawback on vehicle-mounted middle control screen and inconvenient, still can allow driver distraction.
At present, adopting DLP3000-Q1 as head up displays image generation unit (PGU) core devices, whole system flexible design can become windshield HUD or the Combiner form HUD of various structures size.
Due to, HUD be utilize the principle of optical specular reflection project automotive windshield or the small screen that erects allow people feel image is in the distance in several meters of headstock front, make driver to bow, just can see important information clearly. In prior art, also there are addition lens on the basis of original windshield imaging, the content of display is amplified to farther place, and driver can not regulate the focal length of sight line in the process of moving, the vehicle condition information that while seeing forward surface conditions clearly, the parallel HUD of seeing shows. But, length is longer, be unfavorable for the production of integration product in above-mentioned light path reflection, and secondly, the position of HUD is placed and occupied substantial amounts of space in car, and the general position arranged is higher, uses inconvenience very.
Summary of the invention
The technical problem to be solved in the present invention is to provide the reflected light path in a kind of new HUD equipment, is effectively realized HUD optical effect, reduces the length of Related product, reduces the operating position of HUD, it is possible to mate more vehicle simultaneously.
Solve above-mentioned technical problem, the invention provides a kind of paths system based on HUD, including,
Discharger, in order to launch light;
Imaging device, in order to receive the transmitting light of described discharger, and by picture being carried out imaging after two secondary reflections, and is transmitted into discharger;
Reflection unit, in order to reimaging after described picture imaging being amplified.
Further, described reflection unit includes radiation shield, and described radiation shield is the optical lens that two sides has identical curvature, and the reflectance of intrados plated film is higher than the reflectance of extrados plated film.
Further, the reflectance of the intrados of described radiation shield is 30%, the reflectance 1% of extrados.
Further, described imaging device includes: the first reflecting mirror, the second reflecting mirror and imaging film, described first mirror tilt is arranged on the exit of described light, described second reflecting mirror and described first reflecting mirror splicing, being inclined to set, described imaging film splices along the edge of side with described second reflecting mirror.
Further, described first reflecting mirror is obliquely installed in 45 �� in the horizontal direction, and the exit of described light is provided with micro projector, and described second reflecting mirror and the first reflecting mirror are 45 �� and are obliquely installed, and described imaging film is vertically arranged.
Further, described imaging film includes: gum plate, optical reflecting lens, optical clear offset plate, diffusion barrier,
Described optical reflecting lens presses fixing by gum plate and diffusion barrier after fitting with optical clear offset plate, and described optical reflecting lens is provided with reflection plated film on the direction towards described diffusion barrier,
Or, described diffusion barrier is back projection imaging film.
Present invention also offers a kind of HUD equipment, including:
First reflecting mirror, the second reflecting mirror, imaging film, micro projector, radiation shield,
Described micro projector is arranged between described radiation shield and imaging film,
Described imaging film splices along the edge of side with described second reflecting mirror, and described first mirror tilt is arranged on the exit of the light of micro projector, described second reflecting mirror and described first reflecting mirror splicing, is inclined to set.
Further, described first reflecting mirror is obliquely installed in 45 �� in the horizontal direction, and the exit of described light is provided with micro projector, and described second reflecting mirror and the first reflecting mirror are 45 �� and are obliquely installed, and described imaging film is vertically arranged.
Further, the reflectance of the intrados of described radiation shield is 30%, the reflectance 1% of extrados.
Based on above-mentioned, present invention also offers a kind of paths method based on HUD, including:
Launching light, described light arrives the first reflecting surface;
Described light arrives the second reflecting surface through described first reflection face, arrives imaging surface by described second reflecting surface;
Actual image is projected at described imaging surface;
Described actual image amplified by reflecting surface after imaging on described reflecting surface;
Described first reflecting surface, the second reflecting surface and imaging surface are positioned at homonymy, described radiation shield be positioned at correspondence opposite side, described light send position at described first reflecting surface, between the second reflecting surface and radiation shield.
Beneficial effects of the present invention:
1) owing to, in imaging device, by picture being carried out imaging after two secondary reflections, and being transmitted into discharger, can effectively shorten the length of product, meanwhile, the overall working depth of HUD can be effectively reduced, so that product can adaptive more vehicle. Imaging on described discharger and the micro optical-mechanical back of the body permeable membrane in reflection unit is realized by secondary reflection.
2) the paths system based on HUD in the present invention, simple in construction, difference and existing product light path design.
3) owing to described imaging device includes in the present invention: the first transmitting mirror, the second reflecting mirror and imaging film, wherein imaging film adopts special stack-design, so taken into account daytime and evening without brightness demand requirement, be avoided that user can see the background color of imaging film simultaneously.
4) the HUD equipment in the present invention, including: the first reflecting mirror, the second reflecting mirror, imaging film, micro projector, radiation shield, realize imaging on micro optical-mechanical back of the body permeable membrane in reflection unit by secondary reflection.
Accompanying drawing explanation
Fig. 1 is the structural relation schematic diagram of the paths system in one embodiment of the invention based on HUD.
Fig. 2 is the structural relation schematic diagram in Fig. 1 in a specific embodiment.
Fig. 3 is paths path schematic diagram in Fig. 2.
Fig. 4 be Fig. 2 imaging device in the structural representation of imaging film.
Fig. 5 is the schematic flow sheet of the paths method in one embodiment of the invention based on HUD.
1 imaging device, 2 dischargers, 3 reflection units, 101 first reflecting mirrors, 102 second reflecting mirrors, 103 imaging films, 104 micro projectors, 105 radiation shields, 107 light paths, 108 eye observation sight lines, 109 virtual images, 1031 diffusion barriers, 1032 optical clear offset plates, 1033 optical reflecting lens, 1034 gum plates.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Refer to Fig. 1, in one embodiment of the invention based on the structural relation schematic diagram of the paths system of HUD.
Discharger 2, in order to launch light, owing to the space size in car is limited, so the device size of discharger 2, heating power, position are put and be required for accounting for. In this embodiment, it is preferred that, discharger 2 is arranged on the middle position in whole HUD paths path, difference and transmitting light of the prior art are arranged on the structure of rear end. And described discharger 2 is not be emitted directly toward transmitting screen, but directive imaging device 1. Imaging device 1, in order to receive the transmitting light of described discharger, and by picture being carried out imaging after two secondary reflections, and is transmitted into discharger; Described imaging device 1 receives the transmitting light from discharger 2, and processes launching light, will form the image needing to display after light line reflection. The content that described vehicle image shows includes but not limited to: engine counter, current vehicle speed table, engine temperature gauge etc., thus notifying driver's operating range, fuel efficiency, mileage and other vehicle-related informations. Reflection unit 3, in order to reimaging after described picture imaging being amplified, after described vehicle image displays on described imaging device 1, then is projected into discharger 3, and is presented in reflection unit 3 after being amplified by vehicle image.
Fig. 2 is the structural relation schematic diagram in Fig. 1 in a specific embodiment.
The paths system based on HUD in the present embodiment, including,
Discharger 2, in order to launch light; Imaging device 1, in order to receive the transmitting light of described discharger, and by picture being carried out imaging after two secondary reflections, and is transmitted into discharger; Reflection unit 3, in order to reimaging after described picture imaging being amplified. In fig. 2, described reflection unit 3 includes radiation shield 105, and the design of radiation shield 105 has interior radian and outer radian. Specifically, preferred as in the present embodiment, described radiation shield 105 is the positive meniscus lens with incidence surface and exit surface, the radius of curvature of exit surface is more than the radius of curvature of incidence surface, when receiving the light of discharger, radiation shield 105 is made into and caves in into the incident direction towards driving information image. Preferred as in the present embodiment, radiation shield 105 has the optical lens of identical curvature for two sides, and the reflectance of intrados plated film is higher than the reflectance of extrados plated film, in order to driving information image shows being gone out excellent definition and discrimination degree by radiation shield 105, the reflectance of the intrados of described radiation shield 105 is 30%, the reflectance 1% of extrados. In the present embodiment, described imaging device 1 includes: the first reflecting mirror the 101, second reflecting mirror 102 and imaging film 103, described first reflecting mirror 101 is inclined at the exit of described light, described second reflecting mirror 102 splices with described first reflecting mirror 101, being inclined to set, described imaging film 103 splices along the edge of side with described second reflecting mirror 102.By arranging the first reflecting mirror 101 and the second reflecting mirror 102, light reaches imaging film 103 through two secondary reflections time, and is presented by car frame. Owing to having shortened the propagation path of light path so that this design can effectively shorten the length of HUD product. Meanwhile, the overall working depth of HUD can be effectively reduced, so that product can adaptive more vehicle. Preferred as in the present embodiment, described first reflecting mirror 101 is obliquely installed in 45 �� in the horizontal direction, the exit of described light is provided with micro projector 104, and described second reflecting mirror 102 and the first reflecting mirror 101 are obliquely installed in 45 ��, and described imaging film 103 is vertically arranged. Those skilled in the art can understand, angle of inclination scope is set: be advisable for 30-45 ��. Described micro projector 104 can reduce the volume size of product, is more applicable for vehicle-mounted.
In the present embodiment, also disclose a kind of HUD equipment, including: first reflecting mirror the 101, second reflecting mirror 102, imaging film 103, micro projector 104, radiation shield 105, described micro projector 104 is arranged between described radiation shield 105 and imaging film 103, described imaging film 103 splices along the edge of side with described second reflecting mirror 102, described first reflecting mirror 101 is inclined at the exit of the light of micro projector 104, described second reflecting mirror 102 splices with described first reflecting mirror 101, is inclined to set. Preferred as in the present embodiment, described first reflecting mirror 101 is obliquely installed in 45 �� in the horizontal direction, the exit of described light is provided with micro projector 104, and described second reflecting mirror 102 and the first reflecting mirror 101 are obliquely installed in 45 ��, and described imaging film 103 is vertically arranged. Preferred as in the present embodiment, the reflectance of the intrados of described radiation shield 105 is 30%, the reflectance 1% of extrados.
Fig. 3 is paths path schematic diagram in Fig. 2.
Structural relation referring again to the paths system in Fig. 2, including the first reflecting mirror the 101, second reflecting mirror 102 and imaging film 103, described first reflecting mirror 101 is inclined at the exit of described light, described second reflecting mirror 102 splices with described first reflecting mirror 101, it is inclined to set, described imaging film 103 splices along the edge of side with described second reflecting mirror 102, and the exit of described light is provided with micro projector 104.
Specifically, paths path is:
In the eye observation sight line 108 of driver, eye sight line enters radiation shield 105, is immediately seen the image formed after two secondary reflections, and such driver need not confirm vehicle drive information when direct viewing instrument group in instrument board. This unnecessary movement contributing to preventing the eyes of driver, and therefore so that driver drives safely while the visual field that viewing is necessary.
On the path 107 of HUD paths, after being energized from described micro projector 104, proceed by image projection, light is injected to the first reflecting mirror 101 continues reflection, through secondary reflection again after light arrives the second reflecting mirror 102, project on described imaging film 103. Image on described imaging film 103 will form the virtual image 109 behind, go out the image of vehicle drive information in imaging film 103 front projection, realize imaging on described discharger and the micro optical-mechanical back of the body permeable membrane in reflection unit by secondary reflection.
Fig. 4 be Fig. 2 imaging device in the structural representation of imaging film.
In the present embodiment, described imaging film 103 includes: gum plate 1034, optical reflecting lens 1033, optical clear offset plate 1032, diffusion barrier 1031, after described optical reflecting lens 1033 is fitted with optical clear offset plate 1032, press fixing by gum plate 1034 and diffusion barrier 1031, described optical reflecting lens 1033 is provided with reflection plated film on the direction towards described diffusion barrier 1031, wherein imaging film is by adopting above-mentioned special stack-design, so taken into account daytime and evening without brightness demand requirement, it is avoided that user can see the background color of imaging film simultaneously. as the another embodiment in the present embodiment, described diffusion barrier 1031 is back projection imaging film.
Fig. 5 is the schematic flow sheet of the paths method in one embodiment of the invention based on HUD.
The paths method based on HUD in the present embodiment, comprises the following steps that
S501 starts.
S502 launches light, and described light arrives the first reflecting surface. micro projector, miniature video camera instrument can be adopted as in the present embodiment to launch light, micro projector in the present embodiment, adopt dmd chip, when dmd chip normal operation time, light is through dmd chip, DMD surface has been covered with the small rotatable eyeglass of volume will reflect light by rotation, and the rotation of each eyeglass is controlled by circuit. each mirror once rotates a kind of color of only reflection (such as, the micro mirror of projection color purple pixel is only responsible for reflecting red blue light on the projection surface, and the micro mirror projecting salmon pink pixel is only responsible for reflecting red and green glow (red ratio height on the projection surface in proportion, green ratio is low), the rotary speed of mirror can reach thousands of turns, so many mirror is changed with so fast speed, light is projected after on screen by camera lens, illusion is caused to the visual organ of people, the primaries quickly flashed is mixed by human eye mistake, then on the image of projection, mixed color is seen.
Light described in S503 arrives the second reflecting surface through described first reflection face, arrives imaging surface by described second reflecting surface, and described first reflection face or the second reflecting surface are reflecting mirror. By by light through two secondary reflections, decrease the propagation distance in light communication process. And based on HUD, the length of HUD product correspondingly can be shortened.
S504 projects actual image at described imaging surface, described imaging surface is made up of imaging film, described imaging film includes: gum plate, optical reflecting lens, optical clear offset plate and diffusion barrier, after described optical reflecting lens is fitted with optical clear offset plate, press fixing by gum plate and diffusion barrier, described optical reflecting lens is provided with reflection plated film on the direction towards described diffusion barrier, wherein imaging film is by adopting above-mentioned special stack-design, so taken into account daytime and evening without brightness demand requirement, it is avoided that user can see the background color of imaging film simultaneously. as the another embodiment in the present embodiment, described diffusion barrier is back projection imaging film.
Actual image described in S505 amplified by radiation shield after imaging on described radiation shield, described reflecting surface is made up of radiation shield, and the design of radiation shield has interior radian and outer radian. Specifically, preferred as in the present embodiment, described radiation shield is the positive meniscus lens with incidence surface and exit surface, the radius of curvature of exit surface is more than the radius of curvature of incidence surface, when receiving the light of discharger, radiation shield is made into and caves in into the incident direction towards driving information image.Preferred as in the present embodiment, radiation shield is the optical lens that two sides has identical curvature, and the reflectance of intrados plated film is higher than the reflectance of extrados plated film, in order to driving information image shows being gone out excellent definition and discrimination degree by radiation shield, the reflectance of the intrados of described radiation shield is 30%, the reflectance 1% of extrados.
Described in S506, the first reflecting surface, the second reflecting surface and imaging surface are positioned at homonymy, described radiation shield be positioned at correspondence opposite side, described light send position at described first reflecting surface, between the second reflecting surface and radiation shield.
Those of ordinary skill in the field it is understood that more than; described be only specific embodiments of the invention, be not limited to the present invention, all within the spirit and principles in the present invention; any amendment of being made, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (10)
1. the paths system based on HUD, it is characterised in that include,
Discharger (2), in order to launch light;
Imaging device (1), in order to receive the transmitting light of described discharger, and by picture being carried out imaging after two secondary reflections, and is transmitted into discharger;
Reflection unit (3), in order to reimaging after described picture imaging being amplified.
2. the paths system based on HUD according to claim 1, it is characterized in that, described reflection unit (3) includes radiation shield (105), described radiation shield (105) has the optical lens of identical curvature for two sides, and the reflectance of intrados plated film is higher than the reflectance of extrados plated film.
3. the paths system based on HUD according to claim 2, it is characterised in that the reflectance of the intrados of described radiation shield (105) is 30%, the reflectance 1% of extrados.
4. the paths system based on HUD according to claim 1, it is characterized in that, described imaging device includes: the first reflecting mirror (101), the second reflecting mirror (102) and imaging film (103), described first reflecting mirror (101) is inclined at the exit of described light, described second reflecting mirror (102) and the splicing of described first reflecting mirror (101), being inclined to set, described imaging film (103) splices along the edge of side with described second reflecting mirror (102).
5. the paths system based on HUD according to claim 4, it is characterized in that, described first reflecting mirror (101) is obliquely installed in 45 �� in the horizontal direction, the exit of described light is provided with micro projector (104), described second reflecting mirror (102) and the first reflecting mirror (101) are obliquely installed in 45 ��, and described imaging film (103) is vertically arranged.
6. the paths system based on HUD according to claim 5, it is characterized in that, described imaging film (103) including: gum plate (1034), optical reflecting lens (1033), optical clear offset plate (1032), diffusion barrier (1031)
After described optical reflecting lens (1033) is fitted with optical clear offset plate (1032), press fixing by gum plate (1034) and diffusion barrier (1031), described optical reflecting lens (1033) is provided with reflection plated film on the direction towards described diffusion barrier (1031)
Or, described diffusion barrier (1031) is back projection imaging film.
7. a HUD equipment, it is characterised in that including:
First reflecting mirror (101), the second reflecting mirror (102), imaging film (103), micro projector (104), radiation shield (105),
Described micro projector (104) is arranged between described radiation shield (105) and imaging film (103),
Described imaging film (103) splices along the edge of side with described second reflecting mirror (102), described first reflecting mirror (101) is inclined at the exit of the light of micro projector (104), described second reflecting mirror (102) and the splicing of described first reflecting mirror (101), be inclined to set.
8. HUD equipment according to claim 7, it is characterized in that, described first reflecting mirror (101) is obliquely installed in 45 �� in the horizontal direction, the exit of described light is provided with micro projector (104), described second reflecting mirror (102) and the first reflecting mirror (101) are obliquely installed in 45 ��, and described imaging film (103) is vertically arranged.
9. HUD equipment according to claim 7, it is characterised in that the reflectance of the intrados of described radiation shield (105) is 30%, the reflectance 1% of extrados.
10. the paths method based on HUD, it is characterised in that including:
Launching light, described light arrives the first reflecting surface;
Described light arrives the second reflecting surface through described first reflection face, arrives imaging surface by described second reflecting surface;
Actual image is projected at described imaging surface;
Described actual image amplified by reflecting surface after imaging on described reflecting surface;
Described first reflecting surface, the second reflecting surface and imaging surface are positioned at homonymy, described radiation shield be positioned at correspondence opposite side, described light send position at described first reflecting surface, between the second reflecting surface and radiation shield.
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| CN201610013635.4A CN105652443B (en) | 2016-01-08 | 2016-01-08 | A kind of paths system, method and device based on HUD |
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| CN201610013635.4A CN105652443B (en) | 2016-01-08 | 2016-01-08 | A kind of paths system, method and device based on HUD |
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| CN105652443A true CN105652443A (en) | 2016-06-08 |
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| CN206193343U (en) * | 2016-01-08 | 2017-05-24 | 北京乐驾科技有限公司 | System and device are propagated to light path based on HUD |
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| JP2012179935A (en) * | 2011-02-28 | 2012-09-20 | Jvc Kenwood Corp | Display device for vehicle |
| CN104145207A (en) * | 2012-07-20 | 2014-11-12 | Jvc建伍株式会社 | Image display apparatus |
| US20150168718A1 (en) * | 2013-12-18 | 2015-06-18 | Hyundai Motor Company | Display apparatus and method for vehicle |
| CN105093507A (en) * | 2015-07-22 | 2015-11-25 | 熊全宾 | Display screen magnifier |
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