CN201955612U - Automobile speed display projector - Google Patents
Automobile speed display projector Download PDFInfo
- Publication number
- CN201955612U CN201955612U CN2011200856432U CN201120085643U CN201955612U CN 201955612 U CN201955612 U CN 201955612U CN 2011200856432 U CN2011200856432 U CN 2011200856432U CN 201120085643 U CN201120085643 U CN 201120085643U CN 201955612 U CN201955612 U CN 201955612U
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- Prior art keywords
- speed
- motor vehicle
- light source
- photomodulator
- vehicle display
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Abstract
The utility model provides an automobile speed display projector. The projector comprises a projector system, which comprises a projection system, the projection system is connected with the signal output end of a signal processing system, and the signal input end of the signal processing system is connected with a signal input port. Since the technical scheme is adopted, a driver can more simply and conveniently see automobile speed signals, and does not need to look down at the instrument below the steering wheel, consequently, the eyestrain of the driver is relieved, and the driving safety is enhanced. Moreover, the effect of projected display is good, and energy consumption is low.
Description
Technical field
The utility model relates to the electronic applications projection arrangement, relates in particular to a kind of speed of a motor vehicle Display projector device.
Background technology
Automobile instrument designs usually in the bearing circle front lower place, during running informations such as the speed of a motor vehicle on the driver drives to watch the instruments, oil mass, rotating speed, often eye to be moved down just and can see these information, so when driving, driver's sight line is watched the place ahead attentively to returning to focus on immediately on the very near instrument during often by normal driving, this process not only needs the time, and often also easily produce tiredly, influenced the safety of driving.
In addition, along with development of science and technology, the former projector of business office equipment that is used as is because of its open visual field, more and more massesization, family oriented.
The utility model content
The purpose of this utility model is to provide a kind of speed of a motor vehicle Display projector device, to solve the problems of the technologies described above.
The technical matters that the utility model solved can realize by the following technical solutions:
Speed of a motor vehicle Display projector device, comprise a projector system, described projector system comprises an optical projection system, described optical projection system connects the signal output part of a signal processing system, the signal input part connection one of described signal processing system is used to connect the signal input interface of vehicle speed sensor, and the projection screen of described projector system is a windshield.
Described signal input interface receives the vehicle speed signal by the vehicle speed sensor transmission of automobile, described signal processing system is handled this vehicle speed signal, vehicle speed signal after handling is transferred to described optical projection system, described optical projection system is projected in vehicle speed signal on the windshield, checks for the driver.Vehicle speed signal directly is presented on the windshield, and the driver sees that speed of a motor vehicle signal is more succinctly convenient, needn't bow and check the instrument of bearing circle front lower place, has reduced driver's eye fatigue, has improved the security of driving.
Described signal input interface also connects a wireless signal receiver module, and described wireless signal receiver module receives the projection signal of wireless device in the automobile.Signal input interface receives the wireless display signal that the wireless signal receiver module is received, and is transferred to projector system and is projected on the windshield.This wireless device can be the GPS navigation equipment with wireless output module.
Described speed of a motor vehicle Display projector device comprises that also one is used for the power input interface to described projector system power supply, and described power input interface connects vehicle power.Use the interior power supply of car to give whole projector system power supply.
Described optical projection system comprises a projection light source, and described projection light source adopts LASER Light Source, comprises red laser light source, green laser light source, blue laser light source.Be used to produce red, green, blue three coloured light.
Described optical projection system also comprises a photomodulator, and described photomodulator adopts liquid crystal on silicon (LCOS).To reduce volume, cut down the consumption of energy.
Described photomodulator connects a light sensor, and described light sensor is arranged on the windshield place, in order to detect the intensity of illumination at windshield place.By the intensity of illumination at light sensor collection windshield place, the light intensity of photomodulator regulation and control optical projection system output.
Described optical projection system also comprises a beam shaping, and described beam shaping is a fly's-eye lens, and there is the phacoid of arranging with matrix form on the surface of described fly's-eye lens, and described beam shaping is between projection light source and object lens.So that the beam divergence that described light source penetrates, and convert the shape of the effective coverage of photomodulator to.
Between the projection lens assembly of described photomodulator and described optical projection system, there is the works that is used for fixing described photomodulator, the surface of contact of this works and described photomodulator forms opening surface, and the surface of contact of this works and described photomodulator scribbles the kermesinus rough coatings.The kermesinus rough coatings absorbs green glow, blue light, can weaken the blue halation that screen periphery forms.
Beneficial effect: owing to adopt technique scheme, the driver sees that speed of a motor vehicle signal is more succinctly convenient, needn't bow and check the instrument of bearing circle front lower place, has reduced driver's eye fatigue, has improved the security of driving.And Projection Display is effective, low energy consumption.
Description of drawings
Fig. 1 is a circuit connection diagram of the present utility model;
Fig. 2 is an optical projection system part-structure synoptic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, further set forth the content that the utility model patent is provided.
With reference to Fig. 1, speed of a motor vehicle Display projector device, comprise projector system 1, projector system 1 comprises optical projection system 12, optical projection system 12 connects the signal output part of signal processing system 11, the signal input part of signal processing system 11 connects signal input interface 13, and projector system 1 is projected on the windshield; Signal input interface 13 receives the vehicle speed signal by vehicle speed sensor 2 transmission of automobile, signal processing system 11 is handled this vehicle speed signal, vehicle speed signal after handling is transferred to optical projection system 12, and optical projection system 12 is projected in vehicle speed signal on the windshield, checks for the driver.Vehicle speed signal directly is presented on the windshield, and the driver sees that speed of a motor vehicle signal is more succinctly convenient, needn't bow and check the instrument of bearing circle front lower place, has reduced driver's eye fatigue, has improved the security of driving.Signal input interface 13 also connects wireless signal receiver module 14, and wireless signal receiver module 14 receives the projection signal of wireless device in the automobile.Signal input interface 13 receives the wireless display signal that wireless signal receiver modules 14 are received, and is transferred to projector system 1 and is projected on the windshield.This wireless device can be the GPS navigation equipment with wireless output module, also can install wireless output module additional at the output terminal of the vehicle speed sensor 2 of automobile or the output terminal of measured automobiles fuel-quantity transducer, needn't use signal wire like this, the signal transmission between just can realization equipment.Speed of a motor vehicle Display projector device comprises that also one is used for the power input interface to projector system 1 power supply, and power input interface connects vehicle power.Use the interior power supply of car to give whole projector system power supply.
With reference to Fig. 2, optical projection system 12 comprises projection light source, and projection light source adopts LASER Light Source, comprises red laser light source 31, green laser light source 32, blue laser light source 33.Be used to produce red, green, blue three coloured light.Optical projection system 12 also comprises photomodulator 35, and photomodulator 35 adopts liquid crystal on silicon (LCOS).To reduce volume, cut down the consumption of energy.Projection light source also can adopt led light source.Photomodulator 35 connects light sensor, and light sensor is arranged on the windshield place, in order to detect the intensity of illumination at windshield place.By the intensity of illumination at light sensor collection windshield place, the light intensity of photomodulator 35 regulation and control optical projection systems outputs.Optical projection system 12 also comprises beam shaping 34, and beam shaping 34 is a fly's-eye lens.There is the phacoid 341 of arranging with matrix form on the surface of fly's-eye lens, and beam shaping 34 is between projection light source and object lens 36.So that the beam divergence that projection light source penetrates, and convert the shape of the effective coverage of photomodulator 35 to.Before the beam shaping 34 scattering sheet can also be set, this scattering sheet can connect percussion mechanism, makes this scattering sheet produce vibration, and the percussion mechanism that the preferred piezoelectric ceramics of this percussion mechanism is made is so that produce more superior optical effect.
Between the projection lens assembly 37 of photomodulator 35 and optical projection system, there is the works that is used for fixing photomodulator, the surface of contact of this works and photomodulator 35 forms opening surface, and the surface of contact of this works and photomodulator 35 scribbles the kermesinus rough coatings.The kermesinus rough coatings absorbs green glow, blue light, can weaken the blue halation that screen periphery forms.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.
Claims (9)
1. speed of a motor vehicle Display projector device, comprise projector system, described projector system comprises an optical projection system, it is characterized in that described optical projection system connects the signal output part of a signal processing system, the signal input part connection one of described signal processing system is used to connect the signal input interface of vehicle speed sensor.
2. speed of a motor vehicle Display projector device according to claim 1 is characterized in that described signal input interface connects a wireless signal receiver module.
3. speed of a motor vehicle Display projector device according to claim 2 is characterized in that also comprising that one is used for the power input interface to described projector system power supply, and described power input interface connects vehicle power.
4. according to any described speed of a motor vehicle Display projector device in the claim 1,2 or 3, it is characterized in that described optical projection system comprises a projection light source, described projection light source adopts LASER Light Source, comprises red laser light source, green laser light source, blue laser light source.
5. speed of a motor vehicle Display projector device according to claim 4 is characterized in that described optical projection system also comprises a photomodulator, and described photomodulator adopts liquid crystal on silicon.
6. speed of a motor vehicle Display projector device according to claim 5 is characterized in that described photomodulator connects a light sensor, and described light sensor is arranged on the windshield place.
7. speed of a motor vehicle Display projector device according to claim 4, it is characterized in that described optical projection system also comprises a beam shaping, described beam shaping is a fly's-eye lens, there is the phacoid of arranging with matrix form on the surface of described fly's-eye lens, and described beam shaping is between projection light source and object lens.
8. speed of a motor vehicle Display projector device according to claim 5, it is characterized in that, between the projection lens assembly of described photomodulator and described optical projection system, there is the works that is used for fixing described photomodulator, the surface of contact of this works and described photomodulator forms opening surface, and the surface of contact of this works and described photomodulator scribbles the kermesinus rough coatings.
9. speed of a motor vehicle Display projector device according to claim 7 is characterized in that, a scattering sheet is set before the described beam shaping, and this scattering sheet connects a percussion mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200856432U CN201955612U (en) | 2011-03-28 | 2011-03-28 | Automobile speed display projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200856432U CN201955612U (en) | 2011-03-28 | 2011-03-28 | Automobile speed display projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201955612U true CN201955612U (en) | 2011-08-31 |
Family
ID=44499720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200856432U Expired - Fee Related CN201955612U (en) | 2011-03-28 | 2011-03-28 | Automobile speed display projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201955612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192715A (en) * | 2013-01-10 | 2013-07-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Hidden instrument |
| CN107924668A (en) * | 2015-08-26 | 2018-04-17 | 富士胶片株式会社 | Projection display device |
| CN108873356A (en) * | 2018-09-14 | 2018-11-23 | 广州维思车用部件有限公司 | Auto meter projection shows mirror |
-
2011
- 2011-03-28 CN CN2011200856432U patent/CN201955612U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192715A (en) * | 2013-01-10 | 2013-07-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Hidden instrument |
| CN107924668A (en) * | 2015-08-26 | 2018-04-17 | 富士胶片株式会社 | Projection display device |
| CN108873356A (en) * | 2018-09-14 | 2018-11-23 | 广州维思车用部件有限公司 | Auto meter projection shows mirror |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20150328 |
|
| EXPY | Termination of patent right or utility model |