CN209640603U - The AR_HUD system of single backlight dual image - Google Patents
The AR_HUD system of single backlight dual image Download PDFInfo
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- CN209640603U CN209640603U CN201920373992.0U CN201920373992U CN209640603U CN 209640603 U CN209640603 U CN 209640603U CN 201920373992 U CN201920373992 U CN 201920373992U CN 209640603 U CN209640603 U CN 209640603U
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- 230000009977 dual effect Effects 0.000 title claims abstract description 25
- 230000013011 mating Effects 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 17
- 230000011514 reflex Effects 0.000 claims description 13
- 238000003384 imaging method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Abstract
The utility model discloses a kind of AR_HUD systems of single backlight dual image, comprising: light source is emitted the laser beam of collimation；Microscope group is reflected, the optical axis direction of laser beam is changed；Microscope group is expanded, the beam waist diameter of laser beam is changed；MEMS image controller makes to form two groups of image sources with the laser beam for expanding microscope group by reflection microscope group, and cloud mating plate, two groups of image sources are projected to cloud mating plate respectively, and AR intermediate image plane and close shot intermediate image plane are respectively formed on cloud mating plate；And compensation microscope group, the image of AR intermediate image plane and close shot intermediate image plane is reflexed into windshield respectively.The AR_HUD system of list backlight dual image provided by the utility model, single backlight realize dual image, and brightness is high, adaptable.
Description
Technical field
The utility model relates to Vehicular display device technical fields, specifically, being related to a kind of AR_ of single backlight dual image
HUD system.
Background technique
By automotive windshield formula head up display, user checks that instrument board can observe speed, speed limit without bowing
The information such as instruction, drive route figure.The prior art increases augmented reality on this basis and shows content, i.e. dual image AR_HUD
System.
Dual image AR_HUD optical system mainly includes a set of imaging system and two sets of back light systems, wherein a set of backlight system
System shows that close shot image, other set back light system show AR picture in conjunction with imaging system in conjunction with imaging system.The system
It by some driving informations of reasonable Overlapping display in pilot's line of vision region, and is incorporated into actual traffic road conditions, drives
The perception that member can extend and enhance oneself for driving environment.
But the dual image AR_HUD optical system of the prior art, it can only approximately the same plane display characteristic by back light system
It influences, the display of dual image is just able to achieve using double back light systems.And influenced by LCD screen transmitance, brightness of image is insufficient, back
Radiant cooling requirements are high.It is influenced by the contrast of DLP, under dark situation, there are white screen phenomenons for background.
Utility model content
The purpose of this utility model is to provide a kind of AR_HUD systems of single backlight dual image, and single backlight is realized double
Image, brightness is high, adaptable.
Technical solution used by the AR_HUD system of list backlight dual image disclosed by the utility model is:
A kind of AR_HUD system of list backlight dual image, comprising: light source is emitted the laser beam of collimation；Microscope group is reflected, is changed
Become the optical axis direction of laser beam；Microscope group is expanded, the beam waist diameter of laser beam is changed；MEMS image controller, makes by reflecting mirror
Group forms two groups of image sources, cloud mating plate with the laser beam for expanding microscope group, and two groups of image sources are projected to cloud mating plate respectively, and in cloud light
On piece is respectively formed AR intermediate image plane and close shot intermediate image plane；And compensation microscope group, by AR intermediate image plane and close shot intermediate image plane
Image reflex to windshield respectively.
Preferably, the cloud mating plate can be moved along the projecting direction of image source.
Preferably, it is described expand microscope group include the first beam expanding lens and the second beam expanding lens, first beam expanding lens and
Spacing between second beam expanding lens is adjustable.
Preferably, the reflection microscope group includes the first reflecting mirror and the second reflecting mirror；What the light source projected swashs
Light beam reflexes to the first beam expanding lens by the first reflecting mirror, reflexes to the second beam expanding lens by the second reflecting mirror after the first beam expanding lens,
And through the second reflecting mirror to MEMS image controller.
Preferably, the compensation microscope group includes the first compensating glass and the second compensating glass；What the cloud mating plate projected
Image light reflexes to the second compensating glass through the first compensating glass, and reflexes to windshield by the second compensating glass.
The beneficial effect of the AR_HUD system of list backlight dual image disclosed by the utility model is: light source projects collimation and swashs
Light beam is incident to MEMS image control after through reflection microscope group adjustment optical axis direction and expanding the beam waist diameter that microscope group adjusts light beam
Device processed, and AR intermediate image plane and close shot intermediate image plane are formed on cloud mating plate, AR intermediate image plane and close shot intermediate image plane are by compensating
Microscope group reflexes to windshield and reflexes to human eye finally to form the virtual image.It realizes single source and realizes that dual image is shown.
Influence of the stray light to contrast is completely eliminated in MEMS image controller, and white screen phenomenon will not be formed under dark situation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the AR_HUD system of the utility model list backlight dual image.
Fig. 2 is the structural schematic diagram of the projection part of the AR_HUD system of the utility model list backlight dual image.
Specific embodiment
The utility model is further elaborated and is illustrated with Figure of description combined with specific embodiments below:
Please refer to Fig. 1 and Fig. 2, a kind of AR_HUD system of list backlight dual image, including light source 10, reflection microscope group 20,
Expand microscope group 30, MEMS image controller 40, cloud mating plate 50 and compensation microscope group 60.Wherein, light source 10, reflection microscope group 20, expansion
Beam microscope group 30 and MEMS image controller 40 constitute projection part 100.
Light source 10 is used to be emitted the laser beam of collimation.Wherein, which is ALPD laser,
The optical axis direction that microscope group 20 changes laser beam is reflected, reflection microscope group 20 includes the first reflecting mirror 21 and the second reflecting mirror
22.Specifically, the first reflecting mirror 21 and the second reflecting mirror 22 are in 90 ° of arrangements.
The beam waist diameter that microscope group 30 changes laser beam is expanded, expanding microscope group 30 includes the first beam expanding lens 31 and the second beam expanding lens
32.Wherein, the first beam expanding lens 31 is arranged between the first reflecting mirror 21 and the second reflecting mirror 22, and the setting of the second beam expanding lens 32 is the
Between two-mirror 22 and MEMS image controller 40.
MEMS image controller 40 makes to form two groups of image sources with the laser beam for expanding microscope group 30 by reflection microscope group 20.
Two groups of image sources are projected to cloud mating plate 50 respectively, and AR intermediate image plane 51 and close shot are respectively formed on cloud mating plate 50
Intermediate image plane 52, wherein cloud mating plate 50 can be moved along the projecting direction of image source.
It compensates microscope group 60 and the image of AR intermediate image plane 51 and close shot intermediate image plane 52 is reflexed into windshield respectively, through keeping off
Wind glass 80 reflexes to human eye 70 and forms the virtual image.Wherein, compensation microscope group 60 includes the first compensating glass 61 and the second compensating glass 62,
The image light that cloud mating plate 50 projects is reflexed to the second compensating glass 62 by the first compensating glass 61, reflexes to gear through the second compensating glass 62
Wind glass 80.
Spacing between first beam expanding lens 31 and the second beam expanding lens 32 is adjustable, when the first beam expanding lens 31 and the second beam expanding lens 32
When close to each other, the beam waist diameter of laser beam becomes smaller, to be suitble to close shot to show.When the first beam expanding lens 31 and the second beam expanding lens 32
When being located remotely from each other, the beam waist diameter of laser beam becomes larger, to be suitble to AR scape to show.
In above scheme, ALPD laser, MEMS image controller 40, cloud mating plate 50 collectively form no focal length backlight imaging system
System.
In above scheme, adjustable first beam expanding lens 31 and the second beam expanding lens 32 belong to zoom beam control system.In order to
It is convenient to use, it can be according to 52 position of close shot intermediate image plane and 51 position of AR intermediate image plane and the meta position without burnt backlight imaging system
It sets, mark expands the corresponding relationship between the spacing and corresponding pixel points of microscope group 30 in advance.
The AR_HUD system of list backlight dual image disclosed by the utility model, light source 10 projects collimated laser beam, through anti-
After penetrating the adjustment optical axis direction of microscope group 20 and expanding the beam waist diameter that microscope group 30 adjusts light beam, it is incident to MEMS image controller
40, and AR intermediate image plane 51 and close shot intermediate image plane 52, AR intermediate image plane 51 and close shot intermediate image plane are formed on cloud mating plate 50
52 reflex to windshield 80 by compensation microscope group 60 and reflex to human eye 70 finally to form the virtual image.It is real to realize single source 10
Existing dual image is shown.Influence of the stray light to contrast is completely eliminated in MEMS image controller 40, will not be in shape under dark situation
At white screen phenomenon.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (5)
1. a kind of AR_HUD system of list backlight dual image characterized by comprising
Light source is emitted the laser beam of collimation；
Microscope group is reflected, the optical axis direction of laser beam is changed；
Microscope group is expanded, the beam waist diameter of laser beam is changed；
MEMS image controller makes to form two groups of image sources with the laser beam for expanding microscope group by reflection microscope group,
Cloud mating plate, two groups of image sources are projected to cloud mating plate respectively, and are respectively formed in AR intermediate image plane and close shot on cloud mating plate
Between image planes；And
Microscope group is compensated, the image of AR intermediate image plane and close shot intermediate image plane is reflexed into windshield respectively.
2. the AR_HUD system of list backlight dual image as described in claim 1, which is characterized in that the cloud mating plate can be along figure
The projecting direction of image source is mobile.
3. the AR_HUD system of list backlight dual image as described in claim 1, which is characterized in that the microscope group that expands includes
First beam expanding lens and the second beam expanding lens, the spacing between first beam expanding lens and the second beam expanding lens is adjustable.
4. the AR_HUD system of list backlight dual image as claimed in claim 3, which is characterized in that the reflection microscope group includes
First reflecting mirror and the second reflecting mirror；
The laser beam that the light source projects reflexes to the first beam expanding lens by the first reflecting mirror, by the second reflection after the first beam expanding lens
Mirror reflexes to the second beam expanding lens, and through the second reflecting mirror to MEMS image controller.
5. the AR_HUD system of list backlight dual image according to any one of claims 1-4, which is characterized in that the compensation
Microscope group includes the first compensating glass and the second compensating glass；
The image light that the cloud mating plate projects reflexes to the second compensating glass through the first compensating glass, and is reflexed to by the second compensating glass
Windshield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373992.0U CN209640603U (en) | 2019-03-23 | 2019-03-23 | The AR_HUD system of single backlight dual image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373992.0U CN209640603U (en) | 2019-03-23 | 2019-03-23 | The AR_HUD system of single backlight dual image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640603U true CN209640603U (en) | 2019-11-15 |
Family
ID=68496702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920373992.0U Expired - Fee Related CN209640603U (en) | 2019-03-23 | 2019-03-23 | The AR_HUD system of single backlight dual image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640603U (en) |
-
2019
- 2019-03-23 CN CN201920373992.0U patent/CN209640603U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |