EP2252910A1 - Kombi-instrument für fahrzeuge - Google Patents
Kombi-instrument für fahrzeugeInfo
- Publication number
- EP2252910A1 EP2252910A1 EP08873187A EP08873187A EP2252910A1 EP 2252910 A1 EP2252910 A1 EP 2252910A1 EP 08873187 A EP08873187 A EP 08873187A EP 08873187 A EP08873187 A EP 08873187A EP 2252910 A1 EP2252910 A1 EP 2252910A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- instrument
- instrument cluster
- cluster
- projection
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000001816 cooling Methods 0.000 claims description 8
- 238000003384 imaging method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/334—Projection means
Definitions
- Combination instruments are commercially available display instruments in vehicles such as cars, trucks, motorcycles and aircraft, which have arisen by joining gauges such as speedometer, tachometer, fuel gauge, temperature gauge and / or various warning lights.
- gauges such as speedometer, tachometer, fuel gauge, temperature gauge and / or various warning lights.
- display instruments pointer instruments LC displays (LCD) and indicator lights are used in various versions usually.
- HUD head-up displays
- a so-called combiner HUD is furthermore known.
- a so-called combiner (combiner) is used, onto which the image is thrown and which creates a virtual image for the viewer.
- combiner so-called combiner
- From the prior art it is also known to combine different projection and imaging optics with each other in a common device. Examples given in this context are the publications US 2002/0075200 A1 and US Pat. No. 5,013,135.
- the former US publication here combines a HUD with a cluster projection display in a common housing.
- the second mentioned US document uses Fresnel lenses as an aid to imaging and projection.
- a disadvantage of conventional HUDs is that their installations require a relatively large amount of space.
- the devices mentioned in the abovementioned US publications require relatively intensive light sources which, in addition, must be permanently in operation. to provide an ad to the user at all.
- the disadvantage here is a high heat development.
- the invention has the object of providing an alternative combination instrument for vehicles, which reduces the space required for installation in the vehicle.
- the invention is based on a combination instrument which provides the observer with at least one readable display and / or pointer instrument as a fitting.
- the display and / or the pointer instrument is controlled via an instrument electronics integrated in the instrument cluster.
- the core of the invention is now to integrate into the instrument cluster an additional imaging unit.
- the combination instrument according to the invention thus achieves an enormous space saving, since it is mounted as a compact component in the vehicle.
- the user is thus an additional display device in the form of a projection display device, in particular a head-up display available.
- the imaging unit which is sometimes referred to as an optical engine, housed in the instrument cluster. In general, this image forming unit is designed as a projector.
- the image forming unit can be, for example, a laser projector, a projector with TFT display, transmissive or LCoS display, with LED or laser illumination, or, for example, a projector with DMD display and LED or laser illumination.
- the image forming unit may also include other optical components, such. As lenses, mirrors, lenses, polarizers, light valves, aperture and so on.
- the structural integration of the image generation unit in the instrument cluster inter alia, a lesser effort in the installation is possible.
- the core of the HUD and the entire instrument panel of the dashboard can thus be accommodated in a single component and possibly also replaced.
- the required installation space for the image forming unit is provided by the combination instrument.
- the user is offered a classic dashboard display, which includes pointer instruments, LC displays or small lamps.
- a classic dashboard display which includes pointer instruments, LC displays or small lamps.
- different electronic modules can be used jointly by the classic display instruments of the instrument cluster and by the image generation unit.
- a common power supply for example, a common overvoltage and polarity reversal protection, a common voltage regulator, common interfaces to the vehicle electrics, eg, are conceivable for this purpose.
- Advantage Halt Saveweise by such use of common electronic modules by HUD and instrument cluster also allows cost savings.
- the invention is by no means limited to the fact that all parts of the projection display device, in particular HUD, are integrated in the instrument cluster.
- an image forming unit comprising at least one projector is integrated in the combination instrument. It can, for. B. be advantageous to install any lenses, deflecting mirrors, etc. outside of the instrument cluster. This is the case, for example, in a further embodiment described below if an extension of the projection beam path is required via a deflecting mirror attached to the roof, for example, or possibly even if, for example, a diffuser is to be attached directly to the foot of the windshield or to the instrument panel.
- the image forming unit from the perspective of the driver or pilot is mounted behind the instrument electronics.
- the integration into the common instrument cluster still advantageously ensures a structural separation of the two units, which may be advantageous for example in the heat dissipation by cooling. But also structurally a better access is thus made possible with a possible repair.
- an advantageous embodiment of the invention comprises a cooling device for at least partially cooling the image forming unit.
- the waste heat produced may vary in size.
- a cooling device is preferably provided, which can for example be attached to the housing of the instrument cluster, possibly in the direction of travel, and for example as a heat sink, for.
- z. B. may be formed as at least one Peltier element.
- a projection surface is needed.
- the image thrown to the windshield is previously thrown onto a diffuser that creates a real intermediate image.
- Such lenses may be formed both transmissive and reflective. An embodiment is therefore conceivable in which such a diffusion disk is already integrated in the instrument cluster.
- At least one of the deflecting mirrors used is adjustable by the user. It is conceivable, for example, a purely mechanical adjustment by the user or a device which is electrically controlled.
- a diffusion plate may be formed, for example, transmissive or reflective. Therefore, a conceivable embodiment of the invention is to use such a space projection using the windshield as a reflection surface.
- At least one combiner which serves as a reflection surface.
- a lens for generating a real intermediate image which is finally thrown onto the reflection surface, be advantageous.
- a preferred embodiment of this development according to the invention may provide for mounting a combiner on the instrument cluster.
- mount a combiner separately from the instrument cluster for example on the instrument panel or an external display module.
- AIs core of the invention is common to all embodiments and developments of the inventions that an image forming unit for generating an image is integrated via a beam path for a projection display device in the instrument cluster.
- Figure 1 a schematic, partially transparent side view through a vehicle together
- Figure 2 a schematic structure with side view of the combination of
- Figure 3 a vehicle including instrument cluster with integrated imaging unit for a projection by means of combiner in a comparable to Figure 1 view
- Figure 4 a schematic structure with side view of a combination instrument with integrated image forming unit and combiner.
- FIG. 1 shows the basic structure of a head-up display in which the image generation unit 2 is integrated into the instrument cluster 1.
- the instrument cluster 1 is mounted in a vehicle 12.
- the emitted light 10 of the image forming unit 2 is directed to and reflected by a deflecting mirror 3 mounted on the roof.
- the light then passes onto a lens 4 and is thrown onto the windshield 5.
- Seen from the driver 13, a virtual image 6 is formed behind the windshield 5.
- 2 shows the basic structure of the instrument cluster 1 together with the instrument panel 7 for a free space projection.
- the diffuser 4 is mounted in the instrument panel.
- the instrument cluster 1 comprises pointer instruments, wherein a pointer 11 can be seen in the construction scheme.
- FIG. 3 shows a view comparable to FIG. 1 of a vehicle having a combination instrument 1 with integrated image generation unit 2 and a combiner 8 mounted thereon, which generates a virtual image 6 for the viewer.
- An enlarged construction diagram of the instrument cluster 1 including combiner 8 is shown in FIG.
- the instrument cluster has 1 pointer instruments, shown here by the pointer 11, and a view from the driver behind it mounted image forming unit 2, which is also located behind the electronics 9.
- the light 10 emitted by the imaging unit 2 reaches a lens 4, which is designed to be transmissive. From there, the beam path is lengthened via a deflection mirror 3 to a combiner 8.
- FIGS. 3 and 4 show how a combination HUD can be completely integrated in the instrument cluster 1. This extremely compact combination instrument 1 allows a high space saving.
- the image generation unit 2 is integrated into the instrument cluster. Only a deflection mirror 3 and the lens 4 are mounted outside of the instrument cluster 1. But here too there is advantageously an enormous saving of space, since diffuser 4 and deflecting mirror 3 can be mounted without disturbing influence in the vicinity of the windshield 5, while the image-forming unit 2 remains invisible to the driver in the instrument cluster 1.
- the illustrated compact embodiments of the invention enables easy installation and removal in each vehicle and a space-saving accommodation.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Instrument Panels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008000574A DE102008000574A1 (de) | 2008-03-07 | 2008-03-07 | Kombi-Instrument für Fahrzeuge |
PCT/EP2008/067207 WO2009109252A1 (de) | 2008-03-07 | 2008-12-10 | Kombi-instrument für fahrzeuge |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2252910A1 true EP2252910A1 (de) | 2010-11-24 |
Family
ID=40566762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08873187A Ceased EP2252910A1 (de) | 2008-03-07 | 2008-12-10 | Kombi-instrument für fahrzeuge |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2252910A1 (de) |
DE (1) | DE102008000574A1 (de) |
WO (1) | WO2009109252A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011076574A1 (de) | 2011-05-27 | 2012-11-29 | Robert Bosch Gmbh | Fahrzeugcomputer mit Projektionsmöglichkeit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2376006A (en) * | 1943-07-17 | 1945-05-15 | Reece Button Hole Machine Co | Navigation instrument |
US4711544A (en) * | 1985-04-12 | 1987-12-08 | Yazaki Corporation | Display system for vehicle |
GB2204421B (en) | 1987-04-15 | 1991-01-16 | Yazaki Corp | Display apparatus for a vehicle |
US5013135A (en) | 1989-07-10 | 1991-05-07 | Matsushita Electric Industrial Co., Ltd. | Head-up display with two fresnel lenses |
US5677701A (en) | 1994-04-27 | 1997-10-14 | Nippondenso Co., Ltd. | Head-up displaying device for a vehicle |
US6750832B1 (en) * | 1996-12-20 | 2004-06-15 | Siemens Aktiengesellschaft | Information display system for at least one person |
DE19906706A1 (de) * | 1999-02-18 | 2000-08-24 | Bayerische Motoren Werke Ag | Instrumentenfeld mit virtuellem Display |
DE10036570B4 (de) | 2000-07-27 | 2004-07-15 | Robert Bosch Gmbh | Anzeigevorrichtung |
US6639569B2 (en) | 2000-12-14 | 2003-10-28 | Ford Global Technologies, Llc | Integrated heads-up display and cluster projection panel assembly for motor vehicles |
-
2008
- 2008-03-07 DE DE102008000574A patent/DE102008000574A1/de not_active Withdrawn
- 2008-12-10 WO PCT/EP2008/067207 patent/WO2009109252A1/de active Application Filing
- 2008-12-10 EP EP08873187A patent/EP2252910A1/de not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2009109252A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102008000574A1 (de) | 2009-09-10 |
WO2009109252A1 (de) | 2009-09-11 |
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