CN102642470B - Phantom-type combined automobile instrument - Google Patents
Phantom-type combined automobile instrument Download PDFInfo
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- CN102642470B CN102642470B CN201110311830.2A CN201110311830A CN102642470B CN 102642470 B CN102642470 B CN 102642470B CN 201110311830 A CN201110311830 A CN 201110311830A CN 102642470 B CN102642470 B CN 102642470B
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Abstract
The invention relates to an automobile instrument. A phantom-type combined automobile instrument. The phantom-type combined automobile instrument comprises a shell body; a projection screen is arranged at one end of the shell body; a projection light head for projecting towards the projection screen is arranged at the other end of the shell body; the projection light head is electrically connected with a signal processing device; the signal processing device is used for converting signals input by electrical elements, which are used for detecting and controlling the state of an automobile, into digital image data signals; and the projection light head is used for projecting the digital image data signals output by the signal processing device onto the projection screen in the form of an image. The phantom-type combined automobile instrument provided by the invention has the advantages that the misjudgment difficultly occurs, the observation effect is good, and the problems that the misjudgment occurs and the observation effect is not good enough due to the fact that the existing instrument is read through a face shield are solved.
Description
Technical field
The present invention relates to auto meter, particularly relate to a kind of phantom-type automobile combination meter.
Background technology
Auto meter on the driving safety impact of automobile greatly, automobile driver grasps the running state of Integral automobile in real time by auto meter, and the mistake of auto meter or the false judgment of automobile driver to auto meter display parameter all likely cause automobile safety accident.So the normal operation of auto meter and the correct judgement of automobile driver to auto meter significant to safe driving.
Existing auto meter is mainly based on the electrical category auto meter of pointer-type, be ZL2006201005198 in China Patent No., name is called in the patent documentation of " a kind of gauge panel on motor bike, automobile " and discloses a kind of analog meter, the instrument of the type comprises establishes graduated dial plate and pointer, scale value on dial plate pointed by pointer is the value corresponding to measured data, and analog meter has the following disadvantages: an instrument can only show data; Due to the pointer reason of engineering properties, shaken in automobile sport process or the impact in magnetic field, cause automobile meter pointer hair fastener or the inaccurate fault rate of instruction higher.
Along with the quick raising of automotive circuit diagram level, in order to overcome the above problems, the auto meter being undertaken showing by LCD screen of electronic type is applied in automobile.Be CN201613824U at Chinese patent mandate publication number, name is called in the patent documentation of " automobile instrument display structure " auto meter disclosing a kind of logical LCD screen and carry out showing, instrument in this patent is coordinated by LCD screen establishes graduated pad pasting to show data, an instrument can show two data, overcomes the deficiency of analog meter.
But be that the auto meter being undertaken showing by LC0 of pointer electrical category auto meter or electronic type all needs to adopt the face shield of transparent material to protect its internal pointer or LCD screen; chaufeur can only be observed the data in instrument through transparent face shield; due to reasons such as the reflective of face shield and refractions, when chaufeur carries out reading to instrument, erroneous judgement can be produced.Observe across a face mask, observing effect is not good enough simultaneously.
Summary of the invention
The invention provides the phantom-type automobile combination meter that a kind of observing effect not easily producing erroneous judgement is good, solve existing instrument to read through face shield existing for meeting produce erroneous judgement and the not good enough problem of observing effect.
Above technical matters is solved by following technical proposal: a kind of phantom-type automobile combination meter, comprise housing, one end of described housing is provided with projection screen, it is bare headed that the other end is provided with the projection carrying out projecting towards projection screen, described projection shaven head electrical connection signal processor unit, described signal processor unit is used for the signal that the electric elements carrying out detection and control to the state of automobile inputs to be converted to digital quantity viewdata signal, described projection shaven head projects to described projection screen in the form of images for the digital quantity viewdata signal exported by signal processor unit.During use, the present invention to be arranged on Automobile instrument and to make the imaging surface of projection screen towards chaufeur, now projection head is positioned at the rear (rear is the orientation for car body) of projection screen, by the car speed sensor on automobile, tachogen, the vehicle-states such as vehicle state-detection electric elements and pole changer such as fuel-quantity transducer control electric elements and are connected on the input port of the correspondence of signal processor unit, signal processor unit is converted to the current speed of a motor vehicle of reaction vehicle according to the incoming signal of above electric elements, rotating speed, turn to, travelled distance, the digital quantity view data of the states such as oil mass, and by projection shaven head, the state of vehicle is projected on projection screen for chaufeur viewing in the mode of image.
As preferably, described signal processor unit comprises the A/D converter, ECU and the LCD display circuit that are electrically connected, described projection shaven head comprises the light source, light focusing unit, LCD screen and the projection lens that are arranged in order, and described LCD screen shows image under the effect of described LCD display circuit." A/D converter " is the meaning (lower same) of A and D converter; " ECU " is the abbreviation of Lectronic Control Unit and the meaning (lower same) of electronic control unit; " LCD " is the abbreviation of Liquid Crystal Display, i.e. the meaning (lower same) of Liquid Crystal Display.A/D converter changes inputted analog signals into digital quantity signal and flows to ECU, ECU is converted to corresponding viewdata signal according to inputted digital quantity signal and is gone by LCD display circuit to drive LCD screen to demonstrate the image of reaction vehicle vehicle-state, then under the effect of light source, light focusing unit and projection lens by this image projection on projection screen.
As preferably, the luminary of described light source is LED." LED " is the abbreviation of Light Emitting Diode and the meaning (lower same) of light-emitting diode.The electroluminescence characters of LED makes it compared with traditional aerial discharge, filament lamp, and more easily realize electron steering, the various colors of LED, volume is little, low in energy consumption, is conducive to energy-conservation and needed for acquisition color.
As preferably, described signal processor unit is provided with power transfer module, and it is the voltage being applicable to this phantom-type automobile combination meter that described power transfer module is used for the voltage transitions of automobile battery.During use, only need automobile battery to be connected to power transfer module and can realize power supply of the present invention, easy to use.
As preferably, the Vehicular turn hum pattern pattern layer be projected on described projection screen is arrow-shaped, be projected in speed information patterned layer on described projection screen and oil mass hum pattern pattern layer is all pointer gauge dish type, the travelled distance hum pattern pattern layer be projected on described projection screen is Arabic number shape.Meet the use habit to auto meter that user forms for a long time, the custom having sense of discomfort during user's obtaining information and need user to go change existing can not be caused because changing display mode, there is hommization.
As preferably, described projection screen is frosted screen.Projection screen is designed to frosted screen, and the projection shaven head light projected on projection screen reflects in irreflexive mode, and make the present invention have larger range of observation on the one hand, status requirement when using novel installation on the dash panel to this is low, is convenient to install; On the other hand look very soft very comfortable, vision protection be beneficial to, be not easy to cause visual fatigue, traveling comfort and safety good.
The present invention has following advantage, the information of reaction vehicle-state is shown in the mode of projection, does not need to install cover in the reading area of instrument, overcomes traditional instrument and must install cover and the erroneous judgement that causes and observe the problem of inconvenience; Information of vehicles patterned layer is identical with the display face shaping of existing instrument, and meet the use habit of people to auto meter, hommization is good; Projection screen is designed to diffuser reflection, and visual angle is wide and traveling comfort good.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the schematic diagram of projection shaven head of the present invention and signal processor unit.
Fig. 3 is using state schematic side view of the present invention.
Fig. 4 is that A of the present invention in Fig. 3 is to schematic diagram.
In figure: housing 1, projection screen 2, projection shaven head 3, light source 31, LED311, LED drive circuit 312, light focusing unit 32, LCD screen 33, projection lens 34, signal processor unit 4, A/D converter 41, ECU42, LCD display circuit 43, power transfer module 44, automobile 5, Automobile instrument 51, automobile power source 52, car speed sensor 53, tachogen 54, engine temperature sensing unit 55, fuel quantity sensor 56, left steering switch 57, right steering switch 58, Vehicular turn hum pattern pattern layer 6, left arrow 61, right arrow 62, speed information patterned layer 7, speed of a motor vehicle pointer pattern layer 71, speed of a motor vehicle calibrated disc patterned layer 72, rotary speed information patterned layer 8, rotating speed pointer pattern layer 81, speed dial patterned layer 82, travelled distance hum pattern pattern layer 9, engine temperature patterned layer 91, fuel quantity patterned layer 92, patterned layer 93 opened by headlight, engine ECU failure warning patterned layer 94, ABS-system fault warning picture layer 95, safety air bag failure warning coating 96, headlight start signal 101, engine ECU failure warning signal 102, ABS-system fault alarm signal 103, safety air bag failure warning signal 104.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
See Fig. 1, a kind of phantom-type automobile combination meter, comprises housing 1, is provided with projection screen 2 in one end of housing 1, is provided with projection shaven head 3 at the other end of housing 1, and projection shaven head 3 is electrically connected with signal processor unit 4.
Projection screen 2 is frosted screen.
See Fig. 2, signal processor unit 4 comprises the A/D converter 41, ECU42, LCD display circuit 43 and the power transfer module 44 that are electrically connected.
Projection shaven head 3 comprises the light source 31, light focusing unit 32, LCD screen 33 and the projection lens 34 that are arranged in order.Small projection shaven head 3 is formed together with light source 31, light focusing unit 32, LCD screen 33 are encapsulated in projection lens 34.
LCD screen 33 is electrically connected with LCD display circuit 43.
Light source 31 comprises by LED311 and LED drive circuit 312.LED311 is luminous under the driving of LED drive circuit 312, and this light is as the back light in the present invention.
See Fig. 3 and Fig. 2, during use, be arranged on by housing 1 in Automobile instrument 51, the one end at projection screen 2 place of housing 1 is towards the front of headstock 5.Be connected on the input port of A/D converter 41 by the car speed sensor 53 on automobile, tachogen 54, engine temperature sensing unit 55, fuel quantity sensor 56, left steering switch 57 and right steering switch 58, the headlight start signal 101 of automobile, engine ECU failure warning signal 102, ABS-system fault alarm signal 103 and safety air bag failure warning signal 104 are also accessed by the input port of A/D converter 41.The input termination automobile power source 52 of power transfer module 44, power transfer module 44 opens and the 12V vdc of automobile power source 52 is converted to vdc supply each electric elements of the present invention required for the present invention and powers.The signal of input is converted to digital signal supply ECU42 and carries out calculation process by A/D converter 41, data after ECU42 calculation process resupply LCD display circuit 43, LCD display circuit 43 and this data-signal process are formed the view data of required auto meter and this view data delivered to LCD screen 33 and carry out imaging.The light that light source 31 sends is radiated at equably in LCD screen 33 after the process of light focusing unit 32.Due to the image of vehicle condition that LCD screen 33 becomes to respond, now this image is just projected on projection screen 2 through projection lens 34 under the effect of light source 31.The chaufeur 10 being positioned at operator's compartment 55 judges the situation of vehicle by the image on projection screen 2.
See Fig. 4, the Vehicular turn hum pattern pattern layer 6 be projected on projection screen 2 is the shape of arrow, direction information patterned layer 6 comprises left arrow diagram pattern layer 61 and right arrow diagram pattern layer 62, when left steering switch 57 closes when namely vehicle is turned left curved, then left arrow diagram pattern layer 61 is glittering, when right steering switch 58 close i.e. vehicle turn right curved time, right arrow diagram pattern layer 62 is glittering.The speed information patterned layer 7 be projected on projection screen 2 is the shape of pointer watch dial.According to the data that car speed sensor 53 inputs, the speed of a motor vehicle pointer pattern layer 71 in speed information patterned layer 7 points to the correspondence numeral in speed of a motor vehicle calibrated disc patterned layer 72, to show the current speed of a motor vehicle.The rotary speed information patterned layer 8 be projected on projection screen 2 is the shape of pointer watch dial.According to the data that tachogen 54 inputs, the rotating speed pointer pattern layer 81 in rotary speed information patterned layer 8 points to the correspondence numeral in speed dial patterned layer 82, to show current engine speed.The travelled distance hum pattern pattern layer 9 be projected on projection screen 2 is Arabic number.Namely Digital size shown by travelled distance hum pattern pattern layer 9 represents the mileage number that vehicle has travelled altogether.The multi-section circular arc shape pattern of engine temperature patterned layer 91 for being connected in turn, lights corresponding number according to the arc section in the input size of engine temperature sensing unit 55, engine temperature patterned layer 91.The multi-section circular arc shape pattern of fuel quantity patterned layer 92 for being connected in turn, lights corresponding number according to the arc section in the input size of fuel quantity sensor 56, fuel quantity patterned layer 92.When headlight start signal 101 has signal input and headlight to open, headlight is opened patterned layer 93 and is lighted; When engine ECU failure warning signal 102 has signal input and engine or ECU to have a fault, engine ECU failure warning patterned layer 94 is lighted; When ABS-system fault alarm signal 103 has input and an ABS-system fault, ABS-system fault warning picture layer 95 is lighted, and when safety air bag failure warning signal 104 has input and safety air bag to have a fault, safety air bag failure warning coating 96 is lighted.Therefore display result of the present invention is similar with traditional auto meter, can adapt to the custom of the instrumentation of chaufeur, and don't needs the face shield protected gauge internal element, therefore does not have reflective phenomenon and cause the problem of judging and observing inconvenience by accident to produce.
Claims (4)
1. a phantom-type automobile combination meter, comprise the housing be arranged in Automobile instrument, it is characterized in that, one end of described housing is provided with projection screen, it is bare headed that the other end is provided with the projection carrying out projecting towards projection screen, the one end at the projection screen place of housing is towards the front of headstock, the one end at the projection light source place of housing is hatch frame, described projection shaven head electrical connection signal processor unit, described signal processor unit is used for the signal that the electric elements carrying out detection and control to the state of automobile inputs to be converted to digital quantity viewdata signal, described projection shaven head projects to described projection screen in the form of images for the digital quantity viewdata signal exported by signal processor unit, the Vehicular turn hum pattern pattern layer be projected on described projection screen is arrow-shaped, be projected in speed information patterned layer on described projection screen and oil mass hum pattern pattern layer is all pointer gauge dish type, the travelled distance hum pattern pattern layer be projected on described projection screen is Arabic number shape, described projection screen is frosted screen.
2. phantom-type automobile combination meter according to claim 1, it is characterized in that, described signal processor unit comprises the A/D converter, ECU and the LCD display circuit that are electrically connected, described projection shaven head comprises the light source, light focusing unit, LCD screen and the projection lens that are arranged in order, and described LCD screen shows image under the effect of described LCD display circuit.
3. phantom-type automobile combination meter according to claim 2, is characterized in that, the luminary of described light source is LED.
4. the phantom-type automobile combination meter according to claim 1 or 2 or 3, it is characterized in that, described signal processor unit is provided with power transfer module, and it is the voltage being applicable to this phantom-type automobile combination meter that described power transfer module is used for the voltage transitions of automobile battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311830.2A CN102642470B (en) | 2011-10-15 | 2011-10-15 | Phantom-type combined automobile instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110311830.2A CN102642470B (en) | 2011-10-15 | 2011-10-15 | Phantom-type combined automobile instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102642470A CN102642470A (en) | 2012-08-22 |
| CN102642470B true CN102642470B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110311830.2A Expired - Fee Related CN102642470B (en) | 2011-10-15 | 2011-10-15 | Phantom-type combined automobile instrument |
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| CN (1) | CN102642470B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112644277A (en) * | 2020-08-31 | 2021-04-13 | 江苏振宁半导体研究院有限公司 | Instrument panel capable of eliminating reflection and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4988976A (en) * | 1989-09-06 | 1991-01-29 | Lu Hsing Tseng | Head-up display with magnetic field speed detecting means |
| CN1509920A (en) * | 2002-12-26 | 2004-07-07 | 同致电子企业股份有限公司 | Multifunctional display panel on board |
| US7525446B2 (en) * | 2005-01-20 | 2009-04-28 | Denso Corporation | Display device having decorative member on screen |
| CN102043321A (en) * | 2010-11-02 | 2011-05-04 | 上海理工大学 | Projection device serving as automotive auxiliary instrument |
| CN102145667A (en) * | 2010-01-25 | 2011-08-10 | 约翰逊控制技术公司 | Pointer structure of an instrument cluster |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334844A (en) * | 2000-05-26 | 2001-12-04 | Nissan Motor Co Ltd | Indicator for vehicle |
| JP4287189B2 (en) * | 2003-05-12 | 2009-07-01 | カルソニックカンセイ株式会社 | Vehicle display |
| JP2005182306A (en) * | 2003-12-17 | 2005-07-07 | Denso Corp | Vehicle display device |
| JP2007326419A (en) * | 2006-06-06 | 2007-12-20 | Denso Corp | Display unit for vehicle |
-
2011
- 2011-10-15 CN CN201110311830.2A patent/CN102642470B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4988976A (en) * | 1989-09-06 | 1991-01-29 | Lu Hsing Tseng | Head-up display with magnetic field speed detecting means |
| CN1509920A (en) * | 2002-12-26 | 2004-07-07 | 同致电子企业股份有限公司 | Multifunctional display panel on board |
| US7525446B2 (en) * | 2005-01-20 | 2009-04-28 | Denso Corporation | Display device having decorative member on screen |
| CN102145667A (en) * | 2010-01-25 | 2011-08-10 | 约翰逊控制技术公司 | Pointer structure of an instrument cluster |
| CN102043321A (en) * | 2010-11-02 | 2011-05-04 | 上海理工大学 | Projection device serving as automotive auxiliary instrument |
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| CN102642470A (en) | 2012-08-22 |
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Granted publication date: 20141231 Termination date: 20171015 |
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