CN208044195U - A kind of vehicle-mounted HUD optical systems - Google Patents
A kind of vehicle-mounted HUD optical systems Download PDFInfo
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- CN208044195U CN208044195U CN201820047728.3U CN201820047728U CN208044195U CN 208044195 U CN208044195 U CN 208044195U CN 201820047728 U CN201820047728 U CN 201820047728U CN 208044195 U CN208044195 U CN 208044195U
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- mounted hud
- speculum
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Abstract
The utility model discloses a kind of vehicle-mounted HUD optical systems, it includes front mirror lens group, lens group and posterior lens group are reflected in middle part, front mirror lens group, middle part is reflected lens group and posterior lens group and is set gradually by the sequence of image space of object space to the optical system of optical system, it is corresponding with the positions instrument board L1 of vehicle that lens group is reflected in front, posterior lens group L6 is corresponding with the positions windshield L8 of vehicle, wherein, front mirror lens group includes concave lens L4 and front speculum, the display surface light of instrument board reaches middle part successively after front speculum and concave lens L4 and reflects lens group, and the display surface of instrument board is located on the focal plane of posterior lens group.The utility model will not generate picture following phenomenon because sight shifts, to which the dizziness phenomenon of driver will not be caused to occur.And intuitive judgment of the driver to front truck road conditions is facilitated, convenience and safety are improved.And space needed for the display surface of instrument board is reduced, reduce space occupancy rate.
Description
Technical field
The utility model is related to vehicle-mounted HUD technical fields more particularly to a kind of vehicle-mounted HUD optical systems.
Background technology
Currently, with the development of auto industry active safety, to the display of on-vehicle safety information, more stringent requirements are proposed,
Traditional on-vehicle information is often shown on instrument board, and user, which need to bow, can just see information, brings certain security risk.Cause
This, needs a kind of user not have to bow, during normal driving, can obtain the display mode of all security information, HUD
Optical system can meet this function.
Currently, the following disadvantages of HUD the relevant technologies generally existing disclosed in the prior art：1), light source picture defocus will be seen
The image parallax effect before eyes that can form shaking.2), virtual image picture suspends in the air, or too close or too far, is unfavorable for
It drives.3), required space is big, and installation need to destroy body construction.
Utility model content
The technical issues of the utility model mainly solves in the presence of the prior art, to provide a kind of no parallax, relax
The small vehicle-mounted HUD optical systems in moderately high and required space.
The above-mentioned technical problem of the utility model is mainly to be addressed by following technical proposals：
Vehicle-mounted HUD optical systems provided by the utility model comprising front mirror lens group, middle part reflection lens group and after
Portion's lens group, the front mirror lens group, middle part reflection lens group and posterior lens group are by the object space of the optical system to institute
The sequence for stating the image space of optical system is set gradually, and the front reflection lens group is corresponding with the instrument board position of vehicle, described
Posterior lens group is corresponding with the windshield position of vehicle, wherein the front mirror lens group includes concave lens with before
The display surface light of portion's speculum, the instrument board reaches middle part speculum after the front speculum and concave lens successively
The display surface of group and the instrument board is located on the focal plane of the posterior lens group.
Further, the front speculum is mutually reflected by multiple plane mirrors is composed.
Further, the front speculum includes plane mirror and concave mirror, the display surface of the instrument board
The theoretical center that theoretical optical axis passes through the concave mirror.
Further, the reflecting surface of the concave mirror is corresponding with the windshield position of the vehicle.
Further, the picture of the posterior lens group projection is the virtual image, and the virtual image is after windshield reflection, instead
It penetrates light to form an angle with ground, the virtual image that driver is seen coincides with ground location.
Further, the posterior lens group includes the first posterior lens and the second posterior lens, and first rear portion is saturating
Mirror and the second posterior lens are mutually juxtaposed setting.
Further, the optical system meets following formula：
5m≤L10≤20m；4≤β≤10；
Wherein, L10 be user eyes to the virtual image distance；β is the vertical axis enlargement ratio of the optical system.
Further, the distance of exit pupil L1 of the optical system meets following formula：
700mm < L9 < 1000mm；
Wherein, distance of exit pupil L9 be user eyes to the windshield pip distance；
The emergent pupil of the optical system is ranging from：170mm*65mm；
Wherein, the visual length and width range of the eyes of emergent pupil ranging from user.
Further, the adjustable range of the whole adjustable angle of the optical system, the angle is ± 3 °.
Further, the emergent pupil light path of the optical system and the angle of horizontal plane are 3 ° -14 °.
The beneficial effects of the utility model are：
1), the display surface of instrument board is located on the focal plane of posterior lens group, and the virtual image and material object is made to be completely superposed, as seeing
It sees that solid substance is the same, picture following phenomenon will not be generated because sight shifts, to which the dizziness phenomenon of driver will not be caused
Occur.
2), the picture of posterior lens group projection is the virtual image, which coincides with ground location after windshield reflects, drive
The virtual image main body that the person of sailing sees is (such as：Navigation identification, the pictures such as lane shift) it is overlapped with ground, driver is facilitated to front truck
The intuitive judgment of road conditions, improves convenience and safety.
3), front mirror lens mine massively with front speculum and concave lens combination form, front Mirror compression instrument
To the distance of posterior lens group, concave lens plays certain amplification effect, effectively reduces instrument on the display surface surface of dial plate
Space needed for the display surface of dial plate, reduces space occupancy rate.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention one；
Fig. 2 is the usage state diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention one；
Fig. 3 is the first structural schematic diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention two；
Fig. 4 is second of structural schematic diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention two；
Fig. 5 is the structural schematic diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention three；
Fig. 6 is the usage state diagram of the vehicle-mounted HUD optical systems of the embodiments of the present invention three；
Specific implementation mode
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear to be made to the scope of protection of the utility model
Define.
Embodiment one：
Refering to fig. 1 shown in -2, the vehicle-mounted HUD optical systems of the utility model comprising front mirror lens group, middle part are anti-
Lens group and posterior lens group are penetrated, front mirror lens group, middle part reflection lens group and posterior lens group press the object space of optical system extremely
The sequence of the image space of optical system is set gradually, and front reflection lens group is corresponding with the positions instrument board L1 of vehicle, posterior lens
Group L6 is corresponding with the positions windshield L8 of vehicle, wherein front mirror lens group includes concave lens L4 and front reflection
Mirror, the display surface light of instrument board LA reach middle part successively after front speculum and concave lens L4 and reflect lens group, Yi Jiyi
The display surface of dial plate L4 is located on the focal plane of posterior lens group.
In the present embodiment, front speculum is mutually reflected by multiple plane mirrors and is composed, and specifically, front is anti-
It includes the first speculum L2 and the second speculum L3 to penetrate mirror.And the middle part reflection lens group in the utility model includes third speculum
L5.Posterior lens group includes the first posterior lens L6, and the display surface of instrument board L4 is located on the focal plane of the first posterior lens L6.
The utility model has compressed the aobvious of instrument board L1 by the combination of the first speculum L2, the second speculum L3 and concave lens L4
Show face surface to the distance of the first posterior lens L6, and concave lens L4 plays certain amplification effect, to effectively reduce
Space needed for the display surface of instrument board L4, reduces space occupancy rate.
Specifically, the picture of the first posterior lens L6 projection is the virtual image, the virtual image after windshield L8 reflections, reflection light with
Ground forms an angle, and the virtual image that driver is seen coincides with ground location.The virtual image main body that driver sees is (such as：It leads
Navigation mark is known, the pictures such as lane shift) it is overlapped with ground, intuitive judgment of the driver to front truck road conditions is facilitated, is improved just
Victory and safety.
In the utility model, optical system meets following formula：
5m≤L10≤20m；4≤β≤10；
Wherein, L10 be user eyes to the virtual image distance；β is the vertical axis enlargement ratio of optical system.
The distance of exit pupil L9 of optical system meets following formula：
700mm < L9 < 1000mm；
Wherein, distance of exit pupil L9 be user eyes to windshield L8 pip distance；
The emergent pupil of optical system is ranging from：170mm*65mm；
Wherein, the visual length and width range of the eyes of emergent pupil ranging from user.
In the utility model, in order to enable the user of different heights can make from the position of main regulation projection image, increase
The visual range of user.It can make the whole adjustable angle of optical system, the tune of angle by the way that conventional angle adjustment mechanism is arranged
Adjusting range is ± 3 °.Specifically, third reflection can be changed by the way that conventional angle adjusting mechanism (lead screw and screw cooperation etc.) is arranged
The angle of mirror L5 and the first posterior lens L6 change the position of the projection virtual image.
In order to reach preferable visual effect, comforts of use are improved, the emergent pupil light path of optical system and horizontal plane
Angle is 3 ° -14 °.
It should be noted that from the object side to the image side, Object indicates that object plane L1, the first speculum L2 are face 1, the second reflection
Mirror L3 is face 2, and the two sides of concave lens L4 is respectively face 3, face 4, and third speculum L5 is face 5, and the first posterior lens L6 is face 6
For face 7.The faces the face 1- 7 are corresponded with the face serial number in following table.
Table 1 is the structural parameters of optical system described in embodiment one：
Table one
Embodiment two：
Refering to shown in Fig. 3-4, the difference between this embodiment and the first embodiment lies in：Front speculum includes plane mirror P
The theoretical center for passing through concave mirror M with concave mirror M, the display surface theory optical axis of instrument board L4.In the present embodiment, instrument
Dial plate L4 is by its own integrated various character image projection with micro projector " T " to the focus positioned at concave mirror M
On the imaging plate " C " of position, the character picture on the imaging plate " C " is reflected into concave mirror M by plane mirror P first
On, then through concave mirror M reflection, directional light is formed, most lens group is reflected through middle part and posterior lens group forms the virtual image afterwards.
In another structure of the present embodiment, the reflecting surface of concave mirror is opposite with the windshield position of vehicle
It answers, specifically, concave mirror M reflection can directly be reflected through windshield L8 after forming directional light, and driver is just
It can see various intelligentized character pictures related with traffic safety in front.What is received due to human eye is parallel
Light, no parallax phenomenon, is comfortable on, traffic safety.
Embodiment three：
Refering to shown in Fig. 5-6, the difference between this embodiment and the first embodiment lies in：Posterior lens group includes the first posterior lens
L6 and the second posterior lens L7, the first posterior lens L6 and the second posterior lens L7 are mutually juxtaposed setting.Light passes through through priority
First posterior lens L6 and the second dual convergences of posterior lens L7, enable focal power further reasonable distribution, to make light
It can smoothly be reflected at windshield L8, improve the display resolution and stability of the utility model.
It should be noted that from the object side to the image side, Object indicates that object plane L1, the first speculum L2 are face 1, the second reflection
Mirror L3 is face 2, and the two sides of concave lens L4 is respectively face 3, face 4, and third speculum L5 is face 5, and the first posterior lens L6 is face 6
Knead dough 7, the second posterior lens L7 are 8 knead dough 9 of face.The faces the face 1- 9 are corresponded with the face serial number in following table.
Table 2 is the structural parameters of optical system described in embodiment one：
| Face serial number | Radius of curvature | Centre distance | Refractive index | Abbe constant | Effective range |
| OBJECT | INFINITY | - | - | - | 24*13 |
| 1 | INFINITY | 41.28 | MIRROR | - | 64*26 |
| 2 | INFINITY | 50 | MIRROR | - | 57*94 |
| 3 | INFINITY | 30 | 1.64769 | 33.84 | 98*38 |
| 4 | 250 | 4 | - | - | 98*38 |
| 5 | INFINITY | 33.48 | MIRROR | - | 74*150 |
| 6 | INFINITY | 40 | 1.51637 | 64.2 | 160*63 |
| 7 | 285 | 16.5 | - | - | 160*63 |
| 8 | INFINITY | 0 | 1.51637 | 64.2 | 160*63 |
| 9 | 285 | 16.5 | - | - | 160*63 |
Table two
In conclusion the utility model has the advantage of：
1), the display surface of instrument board is located on the focal plane of posterior lens group, and the virtual image and material object is made to be completely superposed, as seeing
It sees that solid substance is the same, picture following phenomenon will not be generated because sight shifts, to which the dizziness phenomenon of driver will not be caused
Occur.
2), the picture of posterior lens group projection is the virtual image, which coincides with ground location after windshield reflects, drive
The virtual image main body that the person of sailing sees is (such as：Navigation identification, the pictures such as lane shift) it is overlapped with ground, driver is facilitated to front truck
The intuitive judgment of road conditions, improves convenience and safety.
3), front mirror lens mine massively with front speculum and concave lens combination form, front Mirror compression instrument
To the distance of posterior lens group, concave lens plays certain amplification effect, effectively reduces instrument on the display surface surface of dial plate
Space needed for the display surface of dial plate, reduces space occupancy rate.
More than, only specific embodiment of the present utility model, but protection scope of the utility model is not limited thereto,
Any change or replacement expected without creative work, should be covered within the scope of the utility model.Therefore,
The scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of vehicle-mounted HUD optical systems, which is characterized in that saturating including front mirror lens group, middle part reflection lens group and rear portion
Lens group, the front mirror lens group, middle part reflection lens group and posterior lens group are by the object space of the optical system to the light
The sequence of the image space of system is set gradually, and the front mirror lens group is corresponding with the instrument board position of vehicle, after described
Portion's lens group is corresponding with the windshield position of vehicle, wherein the front mirror lens group includes concave lens and front
The display surface light of speculum, the instrument board reaches middle part speculum after the front speculum and concave lens successively
The display surface of group and the instrument board is located on the focal plane of the posterior lens group.
2. vehicle-mounted HUD optical systems as described in claim 1, which is characterized in that the front speculum is anti-by multiple planes
Light microscopic, which is mutually reflected, to be composed.
3. vehicle-mounted HUD optical systems as described in claim 1, which is characterized in that the front speculum includes that plane is reflective
Mirror and concave mirror, the theoretical center that the display surface theory optical axis of the instrument board passes through the concave mirror.
4. vehicle-mounted HUD optical systems as claimed in claim 3, which is characterized in that the reflecting surface of the concave mirror and institute
The windshield position for stating vehicle is corresponding.
5. vehicle-mounted HUD optical systems as claimed in claim 3, which is characterized in that the picture of the posterior lens group projection is void
Picture, the virtual image through the windshield reflection after, reflection light forms an angle with ground, the virtual image that driver is seen and
Ground location coincides.
6. vehicle-mounted HUD optical systems as claimed in claim 4, which is characterized in that the posterior lens group includes the first rear portion
Lens and the second posterior lens, first posterior lens and the second posterior lens are mutually juxtaposed setting.
7. vehicle-mounted HUD optical systems as claimed in claim 5, which is characterized in that the optical system meets following formula：
5m≤L10≤20m；4≤β≤10；Wherein, L10 be user eyes to the virtual image distance；β is the optics
The vertical axis enlargement ratio of system.
8. vehicle-mounted HUD optical systems as claimed in claim 6, which is characterized in that the distance of exit pupil L1 of the optical system is full
Sufficient following formula：
700mm < L9 < 1000mm；Wherein, distance of exit pupil L9 be user eyes to the windshield pip away from
From；
The emergent pupil of the optical system is ranging from：170mm*65mm；Wherein, the visual length of the eyes of emergent pupil ranging from user
And width range.
9. such as the vehicle-mounted HUD optical systems of claim 4-7 any one of them, which is characterized in that the entirety of the optical system
The adjustable range of adjustable angle, the angle is ± 3 °.
10. vehicle-mounted HUD optical systems as claimed in claim 8, which is characterized in that the emergent pupil light path and water of the optical system
The angle of plane is 3 ° -14 °.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273682 | 2017-09-29 | ||
| CN2017212736829 | 2017-09-29 |
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| CN208044195U true CN208044195U (en) | 2018-11-02 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089336A (en) * | 2017-09-29 | 2018-05-29 | 安徽沃杰斯汽车科技有限公司 | A kind of vehicle-mounted HUD optical systems |
| CN109613704A (en) * | 2018-12-27 | 2019-04-12 | 广州市晶华精密光学股份有限公司 | A kind of vehicle-mounted head-up display device of novel wind screen glass |
| CN113425922A (en) * | 2021-06-25 | 2021-09-24 | 中国科学院大学宁波华美医院 | Portable negative pressure suction device |
-
2018
- 2018-01-11 CN CN201820047728.3U patent/CN208044195U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108089336A (en) * | 2017-09-29 | 2018-05-29 | 安徽沃杰斯汽车科技有限公司 | A kind of vehicle-mounted HUD optical systems |
| CN109613704A (en) * | 2018-12-27 | 2019-04-12 | 广州市晶华精密光学股份有限公司 | A kind of vehicle-mounted head-up display device of novel wind screen glass |
| CN113425922A (en) * | 2021-06-25 | 2021-09-24 | 中国科学院大学宁波华美医院 | Portable negative pressure suction device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: 241000 plant, No. 9, Zhanghe Road, high tech Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: Anhui Wolin Automobile Technology Co.,Ltd. Address before: 241000 No. 6 plant on the west side of Qingshuihe Road, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: ANHUI AGGEUS AUTO-TECH Co.,Ltd. |
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| TR01 | Transfer of patent right |