CN104290675B - The anti-glare check method of a kind of automobile DVD screen - Google Patents
The anti-glare check method of a kind of automobile DVD screen Download PDFInfo
- Publication number
- CN104290675B CN104290675B CN201410564401.XA CN201410564401A CN104290675B CN 104290675 B CN104290675 B CN 104290675B CN 201410564401 A CN201410564401 A CN 201410564401A CN 104290675 B CN104290675 B CN 104290675B
- Authority
- CN
- China
- Prior art keywords
- dvd screen
- driver
- light beam
- directive
- dvd
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0229—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for displays, e.g. cathodic tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
The present invention discloses the anti-glare check method of a kind of automobile DVD screen, utilize the light path principle of reversibility of geometric optics, set using Driver's eyellipse as numerous points light source, these light source directives DVD screen forms folded light beam after reflection, investigate the region of folded light beam directive, if folded light beam partly or entirely, by outside the directive car of glass for vehicle window clear area, thinks that DVD screen can produce dazzling; Otherwise, not think can produce dazzling, thereby complete the anti-glare check of DVD screen. The present invention is simple, effective, and check data are more complete, checks conclusion and has more confidence level, is applicable to large-scale promotion application.
Description
Technical field
The present invention is the anti-glare check method of a kind of automobile DVD screen, belongs to vehicle complete vehicle and designs and developsField.
Background technology
Automobile DVD is day by day universal as the important configuration of vehicle-mounted video and music entertainment system, if but DVD screenThe position of curtain and angle are arranged unreasonable, and from outside high light directive DVD screen, having after reflection canCan inject driver's eyes, driver be produced dazzling, affect traffic safety.
In the time using Three-dimensional CAD Software (as CATIA, UGNX etc.) to carry out vehicle complete vehicle design,The layout of DVD screen except the reasonable clearance of the visuality of considering screen, DVD screen and its Surrounding Parts,Also must carry out calibration assessment to the anti-glare situation of DVD screen.
In the time carrying out the anti-glare check of DVD screen, usual way is to choose extraneous possible light directiveDVD screen, checks reflection ray and whether enters Driver's eyellipse, if reflection ray enters eye ellipse,Think that DVD screen can produce dazzling; If reflection ray does not enter eye ellipse, think that DVD shieldsCurtain can not produce dazzling.
The defect of above check method is, extraneous light may see through the transparent area of any vehicle glassTerritory directive DVD screen, incident ray position and direction all have uncertainty, only choose some incidentLight carries out the anti-glare check of DVD screen, obviously sufficiently complete; And it is all to adopt the method for exhaustion to considerPossible situation is also obviously unpractical.
Summary of the invention
The present invention is directed to the defect of the anti-glare check method of above DVD screen, according to light path principle of reversibility,The anti-glare check method of a kind of automobile DVD screen is proposed, the anti-glare check of DVD screen completing thusMore complete, conclusion has more confidence level.
Technical scheme of the present invention is as follows:
The anti-glare check method of a kind of automobile DVD screen, comprises the following steps:
(1) the preliminary layout of DVD screen, described cloth are carried out in the position that moulding provides according to interior trim instrument boardPut and should meet the requirement of driver visual angle and peripheral clearance requirement;
(2) according to car load driver's cabin human engineering deployment scenarios and driver's human body sitting posture, according to country's markStandard or SAE standard are drawn Driver's eyellipse, described standard choose the human mould that should adopt with designType correspondence;
(3) prepare to check required periphery digital-to-analogue, comprise instrument board, door internal decoration plate, vertical column internal decoration plate,Glass for vehicle window becomes all of enclosure space in the interior automobile main cabin that makes, and steering wheel, seat are interiorCritical piece in this enclosure space;
(4) Driver's eyellipse is considered as to incident light source, gets eye ellipse and take up an official post an eyespot as spot light,Make incident ray directive DVD screen surface, ask and make its reflection ray, the reverberation of each point on directive screenLine surrounds a reflector space; The union of the reflector space of all eyespots, forms Driver's eyellipse light beam warpLight beam after DVD screen reflection;
(5) investigate the region of folded light beam directive, if folded light beam all blocked by car inner part, notOutside the directive car of glass for vehicle window clear area, according to light path principle of reversibility, illustrate that extraneous light cannot pass through carGlass pane clear area is through DVD screen reflection to Driver's eyellipse, and DVD screen can not produce dazzling;
(6) region of investigation folded light beam directive, if folded light beam is part or all of by vehicle window glassOutside the directive car of glass clear area, according to light path principle of reversibility, extraneous light can pass through glass for vehicle window clear areaThrough DVD screen reflection, to Driver's eyellipse, DVD screen produces dazzling; On this basis, analyzeDazzling issuable harm size, makes corresponding adjustment to the layout of DVD screen.
Useful technique effect of the present invention is:
The present invention utilizes the light path principle of reversibility of geometric optics, using Driver's eyellipse as numerous points light sourceSet, these light source directives DVD screen forms folded light beam after reflection, investigation folded light beam directiveRegion, if folded light beam, partly or entirely by outside the directive car of glass for vehicle window clear area, thinks that DVD shieldsCurtain can produce dazzling; Otherwise, not think can produce dazzling, thereby the anti-glare school that completes DVD screenCore. The present invention is simple, effective, and check data are more complete, checks conclusion and has more confidence level, is applicable to extensiveApply.
Advantage of the present invention will provide in the description of detailed description of the invention part below, and part is by from belowIn description, become obviously, or recognize by practice of the present invention.
Brief description of the drawings
Fig. 1 is the side view of the light beam of light beam after DVD screen reflection of certain some A on eye ellipse.
Fig. 2 is the top view of the light beam of light beam after DVD screen reflection of certain some A on eye ellipse.
Fig. 3 be on eye ellipse the side view of the light beam of light beam a little after DVD screen reflection.
Fig. 4 be on eye ellipse the top view of the light beam of light beam a little after DVD screen reflection.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
The anti-glare check method of automobile DVD screen of the present invention, checking object is DVD screen, passes throughCheck completes the confirmation to the anti-glare situation of DVD screen, comprises the following steps:
Step 1, the preliminary layout of DVD screen 1 is carried out in the position that moulding provides according to interior trim instrument board,Layout should meet the requirement of driver visual angle, peripheral clearance requirement etc.
Step 2, according to car load driver's cabin human engineering deployment scenarios, driver's human body sitting posture etc., according to stateFamily standard or SAE standard are drawn Driver's eyellipse 2, specific standards choose the people that should adopt with designBody Model correspondence.
Step 3, prepares to check required periphery digital-to-analogue (complete digital-to-analogue or outer surface digital-to-analogue), comprises instrumentPlate, door internal decoration plate, vertical column internal decoration plate, glass for vehicle window etc. make automobile main cabin become all of enclosure space,And the critical piece in this enclosure space such as steering wheel, seat.
Step 4, is considered as incident light source by Driver's eyellipse 2, gets eye ellipse 2 and takes up an official post an eyespot as pointLight source, does incident ray directive DVD screen 1 surface, asks and makes its reflection ray, each point on directive screenReflection ray surround a region (seeing Fig. 1, Fig. 2). The union of the reflector space of all eyespots, with regard to shapeBecome the light beam (see Fig. 3, Fig. 4) of Driver's eyellipse 2 light beams after 1 reflection of DVD screen.
Step 5, investigates the region of folded light beam directive, if folded light beam all blocked by car inner part,, by outside the directive car of glass for vehicle window clear area, according to light path principle of reversibility, do not illustrate that extraneous light cannot pass throughGlass for vehicle window clear area reflexes to Driver's eyellipse 2 through DVD screen 1, and DVD screen 1 can not produceRaw dazzling.
Step 6, investigates the region of folded light beam directive, if folded light beam partly or entirely pass through vehicle windowOutside glass transparent district directive car, according to light path principle of reversibility, extraneous light can be transparent by glass for vehicle windowDistrict reflexes to Driver's eyellipse 2 through DVD screen 1, and DVD screen 1 produces dazzling. On this basisUpper, analyze dazzling issuable harm size, and make corresponding processing.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment. CanUnderstand, those skilled in the art directly derive without departing from the basic idea of the present invention or associateOher improvements and changes, within all should thinking and being included in protection scope of the present invention.
Claims (1)
1. the anti-glare check method of automobile DVD screen, is characterized in that comprising the following steps:
(1) the preliminary layout of DVD screen, described cloth are carried out in the position that moulding provides according to interior trim instrument boardPut and should meet the requirement of driver visual angle and peripheral clearance requirement;
(2) according to car load driver's cabin human engineering deployment scenarios and driver's human body sitting posture, according to country's markStandard or SAE standard are drawn Driver's eyellipse, described national standard or SAE standard choose should with designThe manikin correspondence adopting;
(3) prepare to check required periphery digital-to-analogue, comprise instrument board, door internal decoration plate, vertical column internal decoration plate,Glass for vehicle window becomes all of enclosure space in the interior automobile main cabin that makes, and steering wheel, seat are interiorCritical piece in this enclosure space;
(4) Driver's eyellipse is considered as to incident light source, gets eye ellipse and take up an official post an eyespot as spot light,Make incident ray directive DVD screen surface, ask and make its reflection ray, the reverberation of each point on directive screenLine surrounds a reflector space; The union of the reflector space of all eyespots, forms Driver's eyellipse light beam warpLight beam after DVD screen reflection;
(5) investigate the region of folded light beam directive, if folded light beam all blocked by car inner part, notOutside the directive car of glass for vehicle window clear area, according to light path principle of reversibility, illustrate that extraneous light cannot pass through carGlass pane clear area is through DVD screen reflection to Driver's eyellipse, and DVD screen can not produce dazzling;
(6) region of investigation folded light beam directive, if folded light beam is part or all of by vehicle window glassOutside the directive car of glass clear area, according to light path principle of reversibility, extraneous light can pass through glass for vehicle window clear areaThrough DVD screen reflection, to Driver's eyellipse, DVD screen produces dazzling; On this basis, analyzeDazzling issuable harm size, makes corresponding adjustment to the layout of DVD screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564401.XA CN104290675B (en) | 2014-10-21 | 2014-10-21 | The anti-glare check method of a kind of automobile DVD screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410564401.XA CN104290675B (en) | 2014-10-21 | 2014-10-21 | The anti-glare check method of a kind of automobile DVD screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104290675A CN104290675A (en) | 2015-01-21 |
| CN104290675B true CN104290675B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410564401.XA Expired - Fee Related CN104290675B (en) | 2014-10-21 | 2014-10-21 | The anti-glare check method of a kind of automobile DVD screen |
Country Status (1)
| Country | Link |
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| CN (1) | CN104290675B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383403B (en) * | 2015-11-24 | 2019-03-29 | 上海汽车集团股份有限公司 | The reflective processing method of Vehicular screen, apparatus and system |
| CN106202714A (en) * | 2016-07-08 | 2016-12-07 | 北京长城华冠汽车科技股份有限公司 | A kind of automobile middle control screen installation site determines method and device |
| CN110991058A (en) * | 2019-12-03 | 2020-04-10 | 上海元城汽车技术有限公司 | Equipment dazzling checking method and device |
| CN112406730B (en) * | 2020-11-20 | 2022-04-29 | 东风汽车集团有限公司 | Self-adaptive automobile central control screen adjusting device and method for avoiding reflection dazzling |
| CN113190918A (en) * | 2021-04-28 | 2021-07-30 | 安徽江淮汽车集团股份有限公司 | Curved surface light reflection checking method and system for vehicle part |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002347476A (en) * | 2001-05-28 | 2002-12-04 | Mitsubishi Motors Corp | Car-mounted display glare-proof mechanism |
| JP2008155738A (en) * | 2006-12-22 | 2008-07-10 | Denso Corp | Vehicle-mounted display device |
| JP2010179817A (en) * | 2009-02-06 | 2010-08-19 | Panasonic Corp | Anti-dazzling device for vehicle |
| CN102774331A (en) * | 2012-07-24 | 2012-11-14 | 无锡同捷汽车设计有限公司 | Method for solving imaging area of DVD (digital versatile disc) display screen on front windshield glass |
| CN203528383U (en) * | 2013-10-12 | 2014-04-09 | 江门亿都半导体有限公司 | Liquid crystal automatic dimming anti-dazzling inside rearview mirror powered up through solar energy |
| DE102012019558A1 (en) * | 2012-10-05 | 2014-04-10 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Glare protection device for screen on dashboard of vehicle e.g. passenger car, has device main portion which is provided with protection unit in functional state for forming protective cover under which screen is arranged |
| JP2014136519A (en) * | 2013-01-17 | 2014-07-28 | Denso Corp | Display device for vehicle |
-
2014
- 2014-10-21 CN CN201410564401.XA patent/CN104290675B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002347476A (en) * | 2001-05-28 | 2002-12-04 | Mitsubishi Motors Corp | Car-mounted display glare-proof mechanism |
| JP2008155738A (en) * | 2006-12-22 | 2008-07-10 | Denso Corp | Vehicle-mounted display device |
| JP2010179817A (en) * | 2009-02-06 | 2010-08-19 | Panasonic Corp | Anti-dazzling device for vehicle |
| CN102774331A (en) * | 2012-07-24 | 2012-11-14 | 无锡同捷汽车设计有限公司 | Method for solving imaging area of DVD (digital versatile disc) display screen on front windshield glass |
| DE102012019558A1 (en) * | 2012-10-05 | 2014-04-10 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Glare protection device for screen on dashboard of vehicle e.g. passenger car, has device main portion which is provided with protection unit in functional state for forming protective cover under which screen is arranged |
| JP2014136519A (en) * | 2013-01-17 | 2014-07-28 | Denso Corp | Display device for vehicle |
| CN203528383U (en) * | 2013-10-12 | 2014-04-09 | 江门亿都半导体有限公司 | Liquid crystal automatic dimming anti-dazzling inside rearview mirror powered up through solar energy |
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| Publication number | Publication date |
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| CN104290675A (en) | 2015-01-21 |
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Granted publication date: 20160511 Termination date: 20181021 |