CN108241210A - The new line imaged at a distance shows equipment - Google Patents
The new line imaged at a distance shows equipment Download PDFInfo
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- CN108241210A CN108241210A CN201611207404.3A CN201611207404A CN108241210A CN 108241210 A CN108241210 A CN 108241210A CN 201611207404 A CN201611207404 A CN 201611207404A CN 108241210 A CN108241210 A CN 108241210A
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- Prior art keywords
- concave mirror
- new line
- imaged
- diffusion sheet
- image
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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)
- Instrument Panels (AREA)
Abstract
The invention discloses a kind of new lines imaged at a distance to show equipment, it includes an image projecting module, a reflective diffusion sheet and a concave mirror modules, it arranges in pairs or groups the concave mirror module to increase reflective distance using the reflective diffusion sheet, to obtain optical path distance farther out, it can obtain the virtual image of projector distance farther out under same concave mirror enlargement ratio, to reduce the visual giddy sense of driver and obtain best visual effect, and then promote traffic safety.
Description
Technical field
The present invention relates to a kind of new lines for imaging at a distance to show equipment, and espespecially can to reduce driver visually confused for one kind for this
The new line of dizzy sense shows equipment, concave mirror module is arranged in pairs or groups using reflective diffusion sheet to increase reflective distance, to obtain farther out
Optical path distance, the virtual image of projector distance farther out is can obtain under same concave mirror enlargement ratio, to reduce driver's vision
On giddy sense and obtain best visual effect, and then promoted traffic safety.
Background technology
At present, the head up display technology used on automobile is complicated not as good as the head up display on aircraft；It is a kind of light
System is generally repeatedly made of as two main devices of mirror a projector and one, which is by a signal optical source, a projection
Mirror is formed with other optical elements, and the signal optical source of the projector is by the dresses such as a LCD liquid crystal displays or a CRT cathode-ray tubes
Put composition, emit beam from signal optical source, then by the projector project on glass repeatedly as mirror (or special transparent screen
On curtain), then by repeatedly as mirror shows word or image.
It is the schema of head up display disclosed in United States Patent (USP) case US7936518 as shown in Figure 1, which includes
One infra-red ray transmitting unit 5A, to emit an infrared ray to a user DA；One mirror element 3A, with anti-towards a concave mirror 4A
The visible ray LA projected from a display 2A is penetrated, and is transmitted by the infrared ray of the user DA and concave mirror 4A reflections；
Multiple imaging unit 6A, 7A, facing to concave mirror 4A, to sense infrared ray, and each image all from different directions and
Come；And an image processing unit 8A, concave mirror 4A will be seen that light LA is projeced on a cowl WA, it is further empty
Intend the eyes that imaging VA reflexes to user DA.
The distance that the concave mirror enlargement ratio is exactly virtual image forming, virtual image forming are multiplied by based on the object distance light path before concave mirror
Distance far will just need following item part ︰ (1) to improve concave mirror enlargement ratio, but since the technique of concave mirror limits, Wu Fashi
The existing duplicate preferable eyeglass of two virtual images received, therefore enlargement ratio is higher, the error of imaging is bigger, so that
Two receive image produced by error can cause viewer that the phenomenon that dizzy occurs, for ornamental comfort level, so amplification
Multiplying power is normally controlled within seven times；(2) object distance light path is elongated, but since head up display is generally arranged at driving front instrument
Inside platform, space is limited, although in order to elongate object distance light path, meeting additional designs speculum between ray machine and concave mirror, so that
Light path can lengthen object distance with roundtrip, however, due to the limitation of length, the virtual image distance of general head up display can only accomplish
Apart from 2.5 meters of driving eye.
The function of Vehicular navigation mainly guides driver to be switched to correct track or warning front truck away from being led to realize
The function of boat, driver are transferred to attention in head up display from road often, this is apparently not a kind of good operation
Mode, not as good as directly the guide symbol of navigation is attached on road or is attached on the preceding tailstock to be warned, such driver is just not
It needs to transfer attention, can say it is to the optimal mode of driver's impression information, and how the key of problem is new line
Display display distance elongates, and is placed directly against road surface upper track road or is attached on the preceding tailstock to be warned, this is one and needs
The important topic of breakthrough.
In order to overcome more than technical bottleneck, industry constantly proposes the technical solution of various solutions, and relevant technology can refer to
Patent Case TW I443377, TW I506299, TW 201624101, CN 201610134321, TW 201410829066,
CN201510649759, CN201520418145, TW I446001 etc..
Although above each patent case has disclosed the application technology of related head up display, generally have on using
The a little Bu Zu ︰ of Yi
1st, in above-mentioned patent case, some are launched directly to cutting picture, but its shortcoming using single projection arrangement
The gauged distance image exactly launched is too short, and driver easily generates visual dizzy sense when watching, so as to influence driving
Safety.
Although the 2nd, some patent cases be can by two or more projection arrangements or more to cut picture,
To launch gauged distance image and relatively long distance image, but multiple projection arrangements are located at same position, the shadow provided mostly
As being also that picture is cut in crosscutting in same level mostly, and lack directly to cutting picture, so be not easy accurately will navigation
Symbol is guided to be placed directly against on road or be attached on the preceding tailstock to be warned so that navigation directions effect is had a greatly reduced quality.
Invention content
In view of problem above, after inventor is after research improvement many times, the remote of the present invention is completed finally
The new line of imaging shows equipment, i.e., the purpose of the present invention is to provide a kind of new lines for reducing driver's visually giddy sense to show
Show equipment, increase reflective distance using the reflective diffusion sheet collocation concave mirror module of the present invention with interior in a limited space,
To obtain optical path distance farther out, the virtual image of projector distance farther out is obtained under same concave mirror enlargement ratio, is driven with reducing
The giddy sense of the person's of sailing vision, and then best visual effect is obtained, and then promote traffic safety.
In order to achieve the above object, the new line provided by the invention imaged at a distance shows equipment, comprising：
One image projecting module, the instrument desk being set to below the windshield of a vehicle；
One reflective diffusion sheet, is set to the ceiling of the vehicle and the intersection of the windshield, the image projecting module
Output light source invest the reflective diffusion sheet, and be imaged on the reflective diffusion sheet, the reflective diffusion sheet is made to become aobvious
Show the screen of image；
One concave mirror module, the instrument desk being set to below the windshield of the vehicle, the concave mirror module reflect this
The image zoom of formula diffusion sheet；
By above-mentioned construction, in the case of not wasting space, make the reflective diffusion sheet and the concave mirror module away from
From obtaining optical path distance farther out, thus the virtual image of projector distance farther out can be obtained under same concave mirror enlargement ratio.
Above-mentioned image projecting module is a digital light processing devices (DLP).
Above-mentioned concave mirror module is set to below the instrument desk, is covered above the concave mirror module with a transparent dust-proof lid.
Above-mentioned concave mirror module is set to above the instrument desk, which is set in a casing.
Above-mentioned concave mirror module includes a concave mirror and a motor gear group, and it is recessed to adjust this by the rotation of the motor gear
The reflection angle of face mirror.
Above-mentioned concave mirror module is formed for the multiple reflecting optics of concave mirror collocation.
It is above-mentioned to be reflected towards diffusion sheet also comprising a rotary shaft, which is incident upon by the rotation adjustment of the rotary shaft
The position of lower section image.
Above-mentioned concave mirror module is by the image zoom of the reflective diffusion sheet and projects the eyes of driver.
Above-mentioned concave mirror module is by the image zoom of the reflective diffusion sheet and projects the windshield, is kept out the wind by this
Glass-reflected is to the eyes of driver.
The new line provided by the invention imaged at a distance shows equipment also comprising a reflectance coating, which is set to the gear
Wind glass.
The new line provided by the invention imaged at a distance shows that equipment can be interior in a limited space, utilizes reflective diffusion
Piece arranges in pairs or groups concave mirror module to increase reflective distance, to obtain optical path distance farther out, under same concave mirror enlargement ratio
The virtual image of available projector distance farther out.
The new line provided by the invention imaged at a distance shows equipment, and feature is the principle using virtual image forming, is passed through
The imaging of the concave mirror mould concave mirror in the block to obtain optical path distance farther out, obtains under same concave mirror enlargement ratio
The virtual image of projector distance farther out is obtained, to provide best visual effect and reduce the visual giddy sense of driver, Jin Erti
Rise its traffic safety.
Description of the drawings
Fig. 1 shows equipment schematic diagram for existing come back；
Fig. 2 is first embodiment of the invention schematic diagram；
Fig. 3 is another embodiment schematic diagram of first embodiment of the invention；
Fig. 4 is the embodiment schematic diagram that first embodiment of the invention adds reflectance coating in windshield；
Fig. 5 is another embodiment schematic diagram of the concave mirror module of first embodiment of the invention；
Fig. 6 is second embodiment of the invention schematic diagram；
Fig. 7 is the embodiment schematic diagram that second embodiment of the invention adds reflectance coating in windshield；
Fig. 8 is another embodiment schematic diagram of the concave mirror module of second embodiment of the invention；
Fig. 9 is another embodiment schematic diagram of the windshield setting reflectance coating in the present invention.
Reference sign：2A- displays；3A- mirror elements；4A- concave mirrors；5A- infra-red ray transmitting units；6A、7A-
Imaging unit；8A- image processing units；DA- user；LA- visible rays；VA- virtual images；WA- cowls；1- images
Projection module；The reflective diffusion sheets of 2-；21- rotary shafts；3- concave mirror modules；31- concave mirrors；32- motor gear groups；33- is anti-
Penetrate eyeglass；34- casings；4- reflectance coatings；A- instrument desks；A1- transparent dust-proof lids；C- ceilings；The D- virtual images；E- eyes；L- light paths；W
Windshield.
Specific embodiment
The first embodiment that the new line provided by the invention imaged at a distance shows equipment is illustrated in figure 2, comprising：
One image projecting module 1 is set to above the instrument desk A below the windshield W of a vehicle, and image is projected
Go out, for a digital light processing devices, (Digital Light Processing, are abbreviated as DLP to the image projecting module 1, the shadow
As projection arrangement 1 is to utilize a kind of imaging technique of use in projecting apparatus and back projection TV)；
One reflective diffusion sheet 2 is set to the intersection of the ceiling C and windshield W of the vehicle, the image projecting mould
The light path L of the output light source of block 1 invests the reflective diffusion sheet 2, and is imaged on the reflective diffusion sheet 2, makes this reflective
Diffusion sheet 2 becomes the screen of display image, this is reflected towards diffusion sheet 2 also comprising a rotary shaft 21, passes through turning for the rotary shaft 21
It is dynamic to adjust the position for being incident upon image below windshield W；
One concave mirror module 3 is set to above instrument desk A, which includes a concave mirror 31 and a motor
Gear set 32 adjusts the reflection angle of the concave mirror 31 by the rotation of the motor gear 32, which reflects this
The image zoom of formula diffusion sheet 2, and project the eye E for being reflected into driver；
By above-mentioned construction, in the case of not wasting space, make the reflective diffusion sheet 2 and the concave mirror module 3
Distance obtains optical path distance farther out, and the principle of wherein virtual image forming is imaged by the concave mirror 31, concave mirror imaging formula：
1/p+1/q=1/f；Wherein, f is focal length, and q is object distance, and p is image distance, thus can under same 31 enlargement ratio of concave mirror
Obtain the virtual image D of projector distance farther out.
Since above-mentioned concave mirror module 3 is arranged on the light path for reflecting at higher position, the concave mirror 31 on instrument desk A
L can be without the reflection of windshield W, but image is directly reflected into the eye E of driver by the concave surface 31 amplification；
In addition, the light path L that reflects of the present invention can also as shown in figure 3, will the concave mirror module 3 be arranged on it is relatively low on instrument desk A
At position so that the light path L of the concave mirror module 3 projection is re-reflected into the eye E of driver by windshield W.
As shown in figure 4, the new line provided by the invention imaged at a distance shows equipment also comprising a reflectance coating 4, the reflection
Film 4 is set to windshield W, to improve the reflectivity of virtual image D, the reflectance coating 4 can be set on the inside of windshield W or
It is set in windshield W (as shown in Figure 9).
It is illustrated in figure 5 another embodiment schematic diagram of the concave mirror module 3 of first embodiment of the invention, the wherein concave surface
Mirror module 3 is set in a casing 34, which is formed by the concave mirror 31 multiple reflecting optics 33 of arranging in pairs or groups, to add
The image that the distance of long light path L is projected with reflecting the image projecting module 1.
The second embodiment that the new line provided by the invention imaged at a distance shows equipment is illustrated in figure 6, comprising：
One image projecting module 1 is set to below instrument desk A below the windshield W of a vehicle, and by image light source
Project, the image projecting module 1 for a digital light processing devices (Digital Light Processing, are abbreviated as DLP,
The Imaing projector 1 is to utilize a kind of imaging technique of use in projecting apparatus and back projection TV)；
One reflective diffusion sheet 2 is set to the intersection of the ceiling C and windshield W of the vehicle, the image projecting mould
The light path L of the image output light source of block 1 invests the reflective diffusion sheet 2, and is imaged on the reflective diffusion sheet 2, makes this anti-
Penetrating formula diffusion sheet 2 becomes the screen of display image, this is reflected towards diffusion sheet 2 also comprising a rotary shaft 21, passes through the rotary shaft 21
Rotation adjustment be incident upon the position of image below windshield W；
One concave mirror module 3 is set to below instrument desk A, which is covered above with a transparent dust-proof lid A1
Lid, the concave mirror module 3 include a concave mirror 31 and a motor gear group 32, it is recessed to adjust this by the rotation of the motor gear 32
The reflection angle of face mirror 31, the concave mirror module 3 is by the image zoom of the reflective diffusion sheet 2 and projects the eyes of driver
E；
By above structure, in the case of not wasting space, make the reflective diffusion sheet 2 and the concave mirror module 3
Distance obtains optical path distance farther out, and the principle of wherein virtual image forming is imaged by the concave mirror 31, concave mirror imaging formula：
1/p+1/q=1/f；Wherein, f is focal length, and q is object distance, and p is image distance, and general enlargement ratio can allow the virtual image to amplify, can also be same
Ratio allows virtual image distance to become remote, thus under same 31 enlargement ratio of concave mirror, to obtain the virtual image D of projector distance farther out.
As shown in fig. 7, the new line provided by the invention imaged at a distance shows equipment also comprising a reflectance coating 4, the reflection
Film 4 is set to windshield W, and to improve the reflectivity of virtual image D, which is set on the inside of windshield W or setting
In windshield W (as shown in Figure 9).
It is illustrated in figure 8 another embodiment schematic diagram of the concave mirror module 3 of second embodiment of the invention, the wherein concave surface
Mirror module 3 is formed by the concave mirror 31 multiple reflecting optics 33 of arranging in pairs or groups, to lengthen the distance of light path L with reflecting the image projecting
The image that module 1 projects.
In conclusion the new line provided by the invention imaged at a distance shows that equipment can be interior in a limited space, utilize
Reflective diffusion sheet arranges in pairs or groups concave mirror module to increase reflective distance, to obtain optical path distance farther out, in same concave mirror
The virtual image of projector distance farther out is can obtain under enlargement ratio, to reduce the visual giddy sense of driver and obtain best vision
Effect, and then traffic safety is promoted, effectively to solve the problems, such as that existing head up display exists.
Within the present invention hold proposed in specific embodiment, only to facilitate illustrate the present invention technology contents rather than
The present invention is narrowly limited to above-described embodiment, it is all in the case of without departing from spirit of the invention and right,
The many variations made are implemented, and still fall within protection scope of the present invention.
Claims (10)
1. a kind of new line imaged at a distance shows equipment, which is characterized in that includes：
One image projecting module, the instrument desk being set to below the windshield of a vehicle；
One reflective diffusion sheet, is set to the ceiling of the vehicle and the intersection of the windshield, the image projecting module it is defeated
Go out light source and invest the reflective diffusion sheet, and be imaged on the reflective diffusion sheet, the reflective diffusion sheet is made to become display shadow
The screen of picture；
One concave mirror module, the instrument desk being set to below the windshield of the vehicle, the concave mirror module is by the reflective expansion
The image zoom of discrete piece.
2. the new line according to claim 1 that images at a distance shows equipment, which is characterized in that the image projecting module is
One digital light processing devices.
3. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module is set
Below the instrument desk, covered above the concave mirror module with a transparent dust-proof lid.
4. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module is set
Above the instrument desk, which is set in a casing.
5. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module includes
One concave mirror and a motor gear group adjust the reflection angle of the concave mirror by the rotation of the motor gear.
6. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module is is somebody's turn to do
The multiple reflecting optics of concave mirror collocation form.
7. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that this is reflected towards diffusion sheet also
Comprising a rotary shaft, the position of image below the windshield is incident upon by the rotation adjustment of the rotary shaft.
8. the new line according to claim 1 that images at a distance shows equipment, which is characterized in that also comprising a reflectance coating,
The reflectance coating is set to the windshield.
9. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module should
The image zoom of reflective diffusion sheet and the eyes for projecting driver.
10. the new line according to claim 1 imaged at a distance shows equipment, which is characterized in that the concave mirror module will
The image zoom of the reflective diffusion sheet simultaneously projects the windshield, and image is reflected into driver's by the windshield
Eyes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207404.3A CN108241210A (en) | 2016-12-23 | 2016-12-23 | The new line imaged at a distance shows equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207404.3A CN108241210A (en) | 2016-12-23 | 2016-12-23 | The new line imaged at a distance shows equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108241210A true CN108241210A (en) | 2018-07-03 |
Family
ID=62704073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207404.3A Pending CN108241210A (en) | 2016-12-23 | 2016-12-23 | The new line imaged at a distance shows equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663811A (en) * | 2017-03-28 | 2018-10-16 | 本田技研工业株式会社 | Head-up display |
| CN109375373A (en) * | 2018-12-03 | 2019-02-22 | 延锋伟世通电子科技（上海）有限公司 | Separate type laser vehicle-mounted head-up display structure and display methods |
| CN112034620A (en) * | 2019-06-04 | 2020-12-04 | 怡利电子工业股份有限公司 | Target reflection type diffusion sheet head-up display device |
| CN112285927A (en) * | 2019-07-23 | 2021-01-29 | 怡利电子工业股份有限公司 | Naked-eye 3D reflective diffusion sheet head-up display device |
| WO2021212897A1 (en) * | 2020-04-20 | 2021-10-28 | 华为技术有限公司 | Desktop display apparatus and electronic device |
| CN114355609A (en) * | 2020-10-13 | 2022-04-15 | 华为技术有限公司 | Augmented reality display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663811A (en) * | 2017-03-28 | 2018-10-16 | 本田技研工业株式会社 | Head-up display |
| CN109375373A (en) * | 2018-12-03 | 2019-02-22 | 延锋伟世通电子科技（上海）有限公司 | Separate type laser vehicle-mounted head-up display structure and display methods |
| CN112034620A (en) * | 2019-06-04 | 2020-12-04 | 怡利电子工业股份有限公司 | Target reflection type diffusion sheet head-up display device |
| CN112285927A (en) * | 2019-07-23 | 2021-01-29 | 怡利电子工业股份有限公司 | Naked-eye 3D reflective diffusion sheet head-up display device |
| WO2021212897A1 (en) * | 2020-04-20 | 2021-10-28 | 华为技术有限公司 | Desktop display apparatus and electronic device |
| CN114355609A (en) * | 2020-10-13 | 2022-04-15 | 华为技术有限公司 | Augmented reality display device |
| WO2022078053A1 (en) * | 2020-10-13 | 2022-04-21 | 华为技术有限公司 | Augmented reality display apparatus |
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Application publication date: 20180703 |