CN105652443B - A kind of paths system, method and device based on HUD - Google Patents
A kind of paths system, method and device based on HUD Download PDFInfo
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- CN105652443B CN105652443B CN201610013635.4A CN201610013635A CN105652443B CN 105652443 B CN105652443 B CN 105652443B CN 201610013635 A CN201610013635 A CN 201610013635A CN 105652443 B CN105652443 B CN 105652443B
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- speculum
- hud
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- radiation shield
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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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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention discloses a kind of paths system and method based on HUD, wherein system includes emitter, to emit light；Imaging device to receive the transmitting light of the emitter, and by being imaged picture after two secondary reflections, and is emitted to emitter；Reflection unit, to by the picture imaging amplification after reimaging.Realize that the emitter i.e. micro optical-mechanical is imaged in the back of the body permeable membrane in reflection unit by secondary reflection.The paths system based on HUD in the present invention, simple in structure, difference and existing product light path design.Due in imaging device, by being imaged picture after two secondary reflections, and being emitted to emitter, the length of product can be effectively shortened, meanwhile, the working depth of HUD entirety can be effectively reduced, so that product can be adapted to more vehicles.
Description
Technical field
The present invention relates to paths mode, more particularly to a kind of paths system and method based on HUD.
Background technology
Head up display HUD (Head Up Display) is the flight supplementary instrument on aircraft at present generally used on aircraft.Lift
Head is meant that pilot can see ... without looking down the important information of his needs.Because of the convenience and energy of HUD
Enough improve flight safety, airliner also follow-up installation one after another.HUD is the principle using optical reflection, and important flight is related
Information is incident upon above a sheet glass.This sheet glass position what cockpit front end, height is substantially with the eyes of pilot at level, projection
Word and image adjust on the distance of focal length infinity, when pilot sees through HUD toward front, will not hamper
The running of eyes maintains to clearly indicate.
The basic framework of HUD includes two parts：Data processing unit and image display.Data processing unit be by
The Hou of the data conformity processing of each system on aircraft, is converted into preset symbol, figure is either according to the selected mode
With the kenel output of word either number.Signal processing is divided into two devices by some products with image output, but substantially
On be all similar working method.Image display is just mounted in front of cockpit, between pilot and canopy
Spatially.Image display receives the information from data processing device, is incident upon above glass.Display device and have
Control panel can reconcile the image for either changing output.
Improvement of the HUD of a new generation in terms of image is shown includes using full figure photography (Holographic) display mode,
Expand the range for showing image, especially increase the field-of-view angle in level, reduce the thickness of holder to the limitation in the what visual field with
It influences, enhances different luminosity and adjusted with the display under external environment, strengthen the clarity of image, with the output of other optical images
The aircraft forward image that infrared image video camera generates, can for example be projected directly on HUD by cooperation, be provided with others
Material fusion display coordinates the use of night vision goggles and uses chromatic image display data.Improvement packet on data processing unit
The rate and efficiency for improving processing are included, HUD is in the fixing device that image is incident upon in front of cockpit, when pilot rotates head
When, these images will his field range away from keyboard.The HUD of a new generation is more suitable for widely being used on automobile.
In the intrinsic notion of people, what driving should most be focused on is safety naturally, but popularizing with smart mobile phone,
Mobile phone users do not depend on the facility of mobile phone belt and quick all the time.The real-time communication of phone, short message, wechat, multimedia
Use, digital map navigation tool etc. these, however today increasing in " race of bowing ", mobile phone bring our facility but
The safety that strong influence drives.The traffic accident of diversified forms be all due to car owner in driving procedure due to the use of hand
Machine and caused by.Automobile vendors come to realise the importance of middle control screen, along with vehicle is as maximum terminal device,
This block " screen " on vehicle is more allowed to become place contested by all strategists.However the presence of vehicle-mounted middle control screen allows driving to become more really
Safety still has the every drawback and inconvenient on vehicle-mounted middle control screen but in real experiences, can still allow driving
Member diverts one's attention.
Currently, using DLP3000-Q1 as head-up display image generation unit (PGU) core devices, whole system can
Flexible design at various structures size windshield HUD or Combiner forms HUD.
Due to, HUD be using the principle of optical specular reflection project automotive windshield or erect come the small screen on allow people
Feel that image in several meters of distance, is made driver that need not bow, can see important information clearly in front of the headstock.The prior art
In, also have and lens are added on the basis of original windshield is imaged, the content of display is amplified to farther place, driver
The focal length that sight can not be adjusted in the process of moving, the parallel vehicle condition seen HUD and shown while seeing surface conditions clearly forward
Information.But above-mentioned light path reflection length is longer, is unfavorable for the production of integration product, and secondly, the position of head up display
Placement occupies interior a large amount of space, and the position being generally arranged is higher, uses unusual inconvenience.
Invention content
The technical problem to be solved by the present invention is to provide the reflected light path in a kind of new HUD equipment, effectively realize
HUD optical effects, reduce the length of Related product, while reducing the operating position of HUD, can match more vehicles.
Solution above-mentioned technical problem, the paths system based on HUD that the present invention provides a kind of, including,
Emitter, to emit light；
Imaging device, to receive the transmitting light of the emitter, and by after two secondary reflections by picture carry out at
Picture, and it is emitted to reflection unit；
Reflection unit, to by the picture imaging amplification after reimaging.
Further, the reflection unit includes radiation shield, and the radiation shield is the optics of two sides curvature having the same
Lens, and the reflectivity of intrados plated film is higher than the reflectivity of extrados plated film.
Further, the reflectivity of the intrados of the radiation shield is 30%, the reflectivity 1% of extrados.
Further, the imaging device includes：First speculum, the second speculum and imaging film, first reflection
Mirror is inclined at the exit of the light, and second speculum splices with first speculum, is inclined to set, institute
Imaging film is stated along the edge of side to splice with second speculum.
Further, first speculum is obliquely installed in 45 ° in the horizontal direction, and the exit of the light is provided with
Micro projector, second speculum are obliquely installed with the first speculum in 45 °, and the imaging film is vertically arranged.
Further, the imaging film includes：Gum plate, optical reflecting lens, optical clear offset plate, diffusion barrier,
After the optical reflecting lens are bonded with optical clear offset plate, fixation is pressed by gum plate and diffusion barrier, it is described
Optical reflecting lens are provided with reflection plated film on the direction towards the diffusion barrier,
Alternatively, the diffusion barrier is back projection imaging film.
The present invention also provides a kind of HUD equipment, including：
First speculum, the second speculum, imaging film, micro projector, radiation shield,
The micro projector is arranged between the radiation shield and imaging film,
The imaging film splices along the edge of side with second speculum, and first mirror tilt is arranged micro-
The exit of the light of type projecting apparatus, second speculum splice with first speculum, are inclined to set.
Further, first speculum is obliquely installed in 45 ° in the horizontal direction, and the exit of the light is provided with
Micro projector, second speculum are obliquely installed with the first speculum in 45 °, and the imaging film is vertically arranged.
Further, the reflectivity of the intrados of the radiation shield is 30%, the reflectivity 1% of extrados.
Based on above-mentioned, the paths method based on HUD that the present invention also provides a kind of, including：
Emit light, the light reaches the first reflecting surface；
The light reaches the second reflecting surface by the first reflection face, is reached and is imaged by second reflecting surface
Face；
Practical image is projected in the imaging surface；
The practical image is imaged after being amplified by reflecting surface on the reflecting surface；
First reflecting surface, the second reflecting surface and imaging surface are located at homonymy, and the radiation shield is located at corresponding another
Side, the light send out position between first reflecting surface, the second reflecting surface and radiation shield.
Beneficial effects of the present invention：
1) due in imaging device, by being imaged picture after two secondary reflections, and being emitted to reflection unit, can have
Effect shortens the length of product, meanwhile, the working depth of HUD entirety can be effectively reduced, so that product can be adapted to more vehicles
Type.Realize that the emitter i.e. micro optical-mechanical is imaged in the back of the body permeable membrane in reflection unit by secondary reflection.
2) the paths system based on HUD in the present invention, simple in structure, difference and existing product light path design.
3) since the imaging device includes in the present invention：First transmitting mirror, the second speculum and imaging film, wherein being imaged
Film uses special stack-design, and the brightness demand that do not have to for having taken into account daytime and evening in this way requires, while being avoided that user's energy
See the background color of imaging film.
4) the HUD equipment in the present invention, including：First speculum, the second speculum, imaging film, micro projector, reflection
Screen, realizes that micro optical-mechanical is imaged in the back of the body permeable membrane in reflection unit by secondary reflection.
Description of the drawings
Fig. 1 is the structural relation schematic diagram of the paths system based on HUD in one embodiment of the invention.
Fig. 2 is the structural relation schematic diagram in a specific embodiment in Fig. 1.
Fig. 3 is paths path schematic diagram in Fig. 2.
The structural schematic diagram of imaging film in the imaging device that Fig. 4 is Fig. 2.
Fig. 5 is the flow diagram of the paths method based on HUD in one embodiment of the invention.
1-imaging device, 2-emitters, 3-reflection units, the 101-the first speculum, the 102-the second speculum,
103-imaging films, 104-micro projectors, 105-radiation shields, 107-light paths, 108-eyes observe sight, and 109-is empty
Picture, 1031-diffusion barriers, 1032-optical clear offset plates, 1033-optical reflecting lens, 1034-gum plates.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Referring to FIG. 1, for the structural relation schematic diagram of the paths system based on HUD in one embodiment of the invention.
Emitter 2, to emit light, since interior space size is limited, so the device of emitter 2 is big
Small, heating power, position, which are put, to be required for accounting for.In this embodiment, it is preferred that being arranged emitter 2 entire
The structure in rear end is arranged with transmitting light in the prior art in middle position in HUD paths path, difference.And
The emitter 2 is not to be emitted directly toward transmitting screen, but directive reflection unit.Imaging device 1, to receive the hair
The transmitting light of injection device, and by being imaged picture after two secondary reflections, and it is emitted to reflection unit；The imaging device
1 receives the transmitting light from emitter 2, and handles transmitting light, is formed and is shown after light is reflected
The image shown.The content that the vehicle image is shown includes but not limited to：Engine counter, current vehicle speed table, engine temperature
Table etc. is spent, to notify driver's operating range, fuel efficiency, mileage and other vehicle-related informations.Reflection unit 3, to
By reimaging after picture imaging amplification, after the vehicle image is shown on the imaging device 1, then it is projected into
Emitter 3, and be presented in reflection unit 3 after vehicle image is amplified.
Fig. 2 is the structural relation schematic diagram in a specific embodiment in Fig. 1.
The paths system based on HUD in the present embodiment, including,
Emitter 2, to emit light；Imaging device 1 to receive the transmitting light of the emitter, and leads to
Picture is imaged after crossing two secondary reflections, and is emitted to reflection unit；Reflection unit 3 amplifies the picture to be imaged
Reimaging afterwards.In fig. 2, the reflection unit 3 includes radiation shield 105, and the design of radiation shield 105 has interior radian and outer arc
Degree.Specifically, as preferred in the present embodiment, the radiation shield 105 is the positive bent moon for having incidence surface and exit surface
Shape lens, the radius of curvature of exit surface is more than the radius of curvature of incidence surface, when receiving the light of emitter, reflection
Screen 105 is made into be recessed towards the incident direction of driving information image.As preferred in the present embodiment, radiation shield 105
For the optical lens of two sides curvature having the same, and the reflectivity of intrados plated film is higher than the reflectivity of extrados plated film, is
By radiation shield 105 driving information image shows are gone out into excellent clarity and discrimination degree, the intrados of the radiation shield 105
Reflectivity be 30%, the reflectivity 1% of extrados.In the present embodiment, the imaging device 1 includes：First speculum
101, the second speculum 102 and imaging film 103, first speculum 101 is inclined at the exit of the light, described
Second speculum 102 splices with first speculum 101, is inclined to set, edge and institute of the imaging film 103 along side
State the splicing of the second speculum 102.By the way that the first speculum 101 and the second speculum 102 is arranged, light is when by two secondary reflections
Time reaches imaging film 103, and vehicle frame is presented.Due to having shortened the propagation path of light path so that the design energy
Effectively shorten the length of HUD products.Meanwhile the working depth of HUD entirety can be effectively reduced, so that product can be adapted to more
Vehicle.As preferred in the present embodiment, first speculum 101 is obliquely installed in 45 ° in the horizontal direction, the light
Exit be provided with micro projector 104, second speculum 102 is obliquely installed with the first speculum 101 in 45 °, institute
Imaging film 103 is stated vertically to be arranged.Those skilled in the art can be illustrated, the setting range at angle of inclination：30-45 ° is
Preferably.The micro projector 104 can reduce the volume size of product, be more applicable for vehicle-mounted.
In the present embodiment, a kind of HUD equipment is also disclosed, including：First speculum 101, the second speculum 102, at
As film 103, micro projector 104, radiation shield 105, the micro projector 104 is arranged in the radiation shield 105 and imaging film
Between 103, the imaging film 103 splices along the edge of side with second speculum 102, and first speculum 101 inclines
Tiltedly it is arranged in the exit of the light of micro projector 104, second speculum 102 splices with first speculum 101,
It is inclined to set.As preferred in the present embodiment, first speculum 101 is obliquely installed in 45 ° in the horizontal direction, described
The exit of light is provided with micro projector 104, and second speculum 102 is set with the first speculum 101 in 45 ° of inclinations
It sets, the imaging film 103 is vertically arranged.As preferred in the present embodiment, the intrados of the radiation shield 105 it is anti-
The rate of penetrating is 30%, the reflectivity 1% of extrados.
Fig. 3 is paths path schematic diagram in Fig. 2.
Referring again to the structural relation of the paths system in Fig. 2, including the first speculum 101, the second speculum
102 and imaging film 103, first speculum 101 be inclined at the exit of the light, second speculum 102
Splice with first speculum 101, is inclined to set, edge and second speculum of the imaging film 103 along side
102 splicings, the exit of the light is provided with micro projector 104.
Specifically, paths path is：
In the eyes observation sight 108 of driver, eye sight line enters radiation shield 105, is immediately seen by anti-twice
The image formed after penetrating, such driver need not confirm vehicle drive letter in the case of instrument group of the direct viewing in instrument board
Breath.This contributes to the unnecessary movement for preventing the eyes of driver, and therefore so that driver is watching necessary visual field
While safely drive.
On the path of HUD paths 107, after the energization of the micro projector 104, image projection is proceeded by,
Light is injected on the first speculum 101 and continues to reflect, by secondary reflection again after light reaches the second speculum 102, is thrown
It is mapped on the imaging film 103.Image on the imaging film 103 will form the virtual image 109 behind, in 103 front of imaging film
The image for projecting vehicle drive information realizes the emitter i.e. micro optical-mechanical in reflection unit by secondary reflection
Back of the body permeable membrane on be imaged.
The structural schematic diagram of imaging film in the imaging device that Fig. 4 is Fig. 2.
In the present embodiment, the imaging film 103 includes：Gum plate 1034, optical reflecting lens 1033, Optical transparent adhesive
Plate 1032, diffusion barrier 1031 after the optical reflecting lens 1033 are bonded with optical clear offset plate 1032, pass through gum plate 1034
Press fixation with diffusion barrier 1031, the optical reflecting lens 1033 are provided with instead on the direction towards the diffusion barrier 1031
Plated film is penetrated, by using above-mentioned special stack-design, taken into account the brightness that do not have on daytime and evening in this way needs wherein imaging film
Requirement is asked, while being avoided that user can see the background color of imaging film.As the another embodiment in the present embodiment, institute
It is back projection imaging film to state diffusion barrier 1031.
Fig. 5 is the flow diagram of the paths method based on HUD in one embodiment of the invention.
The paths method based on HUD in the present embodiment, including steps are as follows：
S501 starts.
S502 emits light, and the light reaches the first reflecting surface.May be used in the present embodiment for micro projector,
Miniature video camera instrument emits light, in the present embodiment micro projector, using dmd chip, when dmd chip works normally
It waits, light passes through dmd chip, and the surfaces DMD have been covered with the small rotatable eyeglass of volume will be by rotating come reflection light, often
The rotation of a eyeglass is all controlled by circuit.Once rotation only reflects a kind of color (for example, projection color purple to each mirror
The micro mirror that the micro mirror of pixel is only responsible for reflecting red blue light on the projection surface, and projecting orange color pixel is only responsible for pressing on the projection surface
The red and green light of ratio reflection (red ratio is high, green ratio is low), the rotary speed of mirror can reach thousands of turns, so more
Mirror be changed with so fast speed, after light is projected by camera lens on screen, made to the organs of vision of people
At illusion, human eye mistake mixes the primaries quickly flashed, then sees on the image of projection mixed
Color.
Light described in S503 reaches the second reflecting surface by the first reflection face, is reached by second reflecting surface
Imaging surface, the first reflection face or the second reflecting surface are speculum.By the way that light is passed through two secondary reflections, reduce light
Propagation distance in line communication process.And it is based on HUD, it can correspondingly shorten the length of HUD products.
S504 projects practical image in the imaging surface, and the imaging surface is made of imaging film, and the imaging film includes：
Gum plate, optical reflecting lens, optical clear offset plate and diffusion barrier, the optical reflecting lens are bonded with optical clear offset plate
Afterwards, fixation is pressed by gum plate and diffusion barrier, the optical reflecting lens are provided on the direction towards the diffusion barrier
Plated film is reflected, for wherein imaging film by using above-mentioned special stack-design, that has taken into account daytime and evening in this way does not have to brightness
Demand requirement, while being avoided that user can see the background color of imaging film.As the another embodiment in the present embodiment,
The diffusion barrier is back projection imaging film.
Practical image described in S505 is imaged after being amplified by radiation shield on the radiation shield, and the reflecting surface is by radiation shield
The design of composition, radiation shield has interior radian and outer radian.Specifically, as preferred in the present embodiment, the radiation shield is
The radius of curvature of positive meniscus shaped lens with incidence surface and exit surface, exit surface is more than the curvature half of incidence surface
Diameter, when receiving the light of emitter, radiation shield is made into be recessed towards the incident direction of driving information image.Make
To be preferred in the present embodiment, radiation shield is the optical lens of two sides curvature having the same, and the reflectivity of intrados plated film
Higher than the reflectivity of extrados plated film, in order to which driving information image shows are gone out excellent clarity and discrimination by radiation shield
Degree, the reflectivity of the intrados of the radiation shield is 30%, the reflectivity 1% of extrados.
First reflecting surface, the second reflecting surface and imaging surface described in S506 are located at homonymy, and the radiation shield is located at corresponding
The other side, the light send out position between first reflecting surface, the second reflecting surface and radiation shield.
Those of ordinary skills in the art should understand that：More than, described is only specific embodiments of the present invention, and
It is not used in the limitation present invention, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done,
It should be included within protection scope of the present invention.
Claims (5)
1. a kind of paths system based on HUD, it is characterised in that including,
Emitter (2), to emit light；
Imaging device (1), to receive the transmitting light of the emitter, and by after two secondary reflections by picture carry out at
Picture, and it is emitted to reflection unit；
Reflection unit (3), to by the picture imaging amplification after reimaging；
The imaging device includes：First speculum (101), the second speculum (102) and imaging film (103), described first is anti-
Penetrate the exit that mirror (101) is inclined at the light, second speculum (102) and first speculum (101)
Splicing, is inclined to set, and the imaging film (103) is spliced along the edge of side with second speculum (102)；
First speculum (101) is obliquely installed in 45 ° in the horizontal direction, and the exit of the light is provided with micro projection
Instrument (104), second speculum (102) are obliquely installed with the first speculum (101) in 45 °, and the imaging film (103) is along perpendicular
Histogram is to setting；
The imaging film (103) includes：Gum plate (1034), optical clear offset plate (1032), expands optical reflecting lens (1033)
Film (1031) is dissipated after the optical reflecting lens (1033) are bonded with optical clear offset plate (1032) to pass through gum plate (1034)
Press fixation with diffusion barrier (1031).
2. the paths system according to claim 1 based on HUD, which is characterized in that the reflection unit (3) includes
Radiation shield (105), the radiation shield (105) are the optical lens of two sides curvature having the same, and the reflection of intrados plated film
Rate is higher than the reflectivity of extrados plated film.
3. the paths system according to claim 2 based on HUD, which is characterized in that the radiation shield (105) it is interior
The reflectivity of cambered surface is 30%, the reflectivity 1% of extrados.
4. a kind of HUD equipment, it is characterised in that including paths system as described in claim 1, the equipment further includes：
Micro projector (104), radiation shield (105),
The micro projector (104) is arranged between the radiation shield (105) and imaging film (103),
The imaging film (103) is spliced along the edge of side with second speculum (102), first speculum (101)
It is inclined at the exit of the light of micro projector (104), second speculum (102) and first speculum
(101) splice, be inclined to set.
5. HUD equipment according to claim 4, which is characterized in that the reflectivity of the intrados of the radiation shield (105) is
30%, the reflectivity 1% of extrados.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013635.4A CN105652443B (en) | 2016-01-08 | 2016-01-08 | A kind of paths system, method and device based on HUD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN105652443A CN105652443A (en) | 2016-06-08 |
| CN105652443B true CN105652443B (en) | 2018-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012179935A (en) * | 2011-02-28 | 2012-09-20 | Jvc Kenwood Corp | Display device for vehicle |
| EP2876483B1 (en) * | 2012-07-20 | 2017-10-18 | JVC KENWOOD Corporation | Image display apparatus |
| KR101518932B1 (en) * | 2013-12-18 | 2015-05-11 | 현대자동차 주식회사 | Display apparatus for vehicle |
| CN105093507A (en) * | 2015-07-22 | 2015-11-25 | 熊全宾 | Display screen magnifier |
| 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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