CN114061911A - Glaring detection system of head-up display - Google Patents
Glaring detection system of head-up display Download PDFInfo
- Publication number
- CN114061911A CN114061911A CN202111354951.5A CN202111354951A CN114061911A CN 114061911 A CN114061911 A CN 114061911A CN 202111354951 A CN202111354951 A CN 202111354951A CN 114061911 A CN114061911 A CN 114061911A
- Authority
- CN
- China
- Prior art keywords
- display
- light
- head
- dome
- glare
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
Abstract
Head-up display dazzles light detecting system. The device comprises a head-up display to be tested, an automobile windshield arranged above the head-up display, an eye box position behind the automobile windshield, a light source arranged at the eye box position, a camera unit arranged close to the eye box position, and a dome arranged above the automobile windshield, wherein the light source is used for emitting a high-directivity light beam; the dome is a spherical surface, the center of the spherical surface is located at the position of the eye box, and the spherical surface comprises an inner concave surface. This dazzle light detecting system sets up the light source and throws high directive property light beam through the eye box position at the new line display, sets up the dome simultaneously and is used for the bright spot to gather to can detect the dazzle light of new line display according to the reversible principle of light path.
Description
Technical Field
The invention relates to the technical field of optical display, in particular to a glare detection system of a head-up display, which is capable of detecting glare according to a light path reversible principle by arranging a light source at an eye box position of the head-up display, projecting a high-directivity light beam and arranging a dome for collecting bright spots.
Background
The head-up display of the automobile is a display device which projects a pattern (such as speed and navigation information) with certain brightness onto a front windshield of the automobile, one or more reflectors are integrated in the head-up display, and the reflectors have certain risks to reflect external light to human eyes or reflect the external light to the human eyes for several times through the front windshield and the reflectors and then inject the external light into the human eyes, so that the driving safety is influenced.
When the design new line display, can simulate the outside light of car usually and carry out the dazzling light detection of new line display to avoid dazzling the production of light in optics and structural design, actually, dazzling light and stray light's production condition and environment are more complicated, and there is the error in processing and the assembly of new line display in addition, make to dazzle light can not be eliminated by totally in the design.
Disclosure of Invention
The invention aims to solve the technical problems and provides a glare detection system of a head-up display, which is characterized in that a light source is arranged at an eye box position of the head-up display and projects a high-directivity light beam, and a dome is arranged for collecting bright spots, so that the glare of the head-up display can be detected according to a light path reversible principle.
In order to solve the above-mentioned prior art problems, the technical scheme of the invention is as follows:
the glaring detection system of the head-up display comprises the head-up display to be detected, automobile windshield glass arranged above the head-up display, an eye box position behind the automobile windshield glass, a light source arranged at the eye box position, a camera unit arranged close to the eye box position, and a dome arranged above the automobile windshield glass, wherein the light source is used for emitting a high-directivity light beam;
the dome is the sphere, the centre of sphere is located the eye box position, the sphere includes interior concave surface, the interior concave surface of sphere is the detection zone of camera unit, just the interior concave surface of sphere is the collection of all probably producing the dazzling light direction of dazzling light.
Further, the camera unit is a single camera or a camera group, the number of cameras in the camera group is not limited, and the number of cameras in the camera group is determined according to the size of the dome;
furthermore, the light source is connected with a transmission mechanism, the transmission mechanism comprises an X-axis transmission mechanism and/or a Y-axis transmission mechanism and/or a Z-axis transmission mechanism, and the transmission mechanism is used for carrying out X-axis movement or Y-axis movement or Z-axis movement on the light source at the position of the eye box so as to simulate the movement of human eyes;
further, the glare detection system further comprises a simulation instrument desk, and the to-be-detected head-up display is arranged on the simulation instrument desk;
further, the light source includes, but is not limited to, a projector, a searchlight, a laser scanning device;
further, a clock structure is constructed by using a sphere where a dome spherical surface is located, wherein the dome spherical surface at least covers an area enclosed by the clock structure in two directions from ten am to two pm;
further, the dome includes, but is not limited to, a spherical surface;
further, the path directly in front of the eye box position and belonging to the direct projection of the light source is not covered by a dome, because: A. the probability of generating glare right in front of the eye box position is low, and B light rays directly projected to the dome by the light source can interfere the detection result.
The detection principle of the head-up display glare detection system is as follows:
the method comprises the following steps that (I) N light rays are projected from a light source, for example, three light rays a, b and c are taken, the light ray a is projected forwards, one part of the light ray a directly penetrates through automobile front windshield glass, the other part of the light ray a is reflected by the automobile front windshield glass to form light ray a ', the light ray a ' is incident into the head-up display, the light ray a ' is the light ray a ' reflected and projected by an optical lens group in the head-up display, then the light ray a ' is projected to a point p1 of a dome, the point p1 is the direction capable of generating glare, and the reason is that according to the principle that a light path is reversible, the light ray in the point p1 position or the point p1 direction sequentially passes through three paths a ', a ' and a to be incident to human eyes;
the light b is projected forwards, one part of the light b directly penetrates through the automobile front windshield, the other part of the light b is reflected by the automobile front windshield to form light b ', b' is not incident to the head-up display, and is absorbed by the analog instrument desk or forms diffuse reflection;
thirdly, the light ray c is emitted forwards and is directly diffused and reflected by the shell of the head-up display or the analog instrument desk;
fourthly, repeating the first step to the third step, so that light rays of the light source respectively cover a light ray emergent area of the head-up display to be detected and an imaging reflection area of the automobile windshield, finding out all points which can be reflected by the head-up display and the automobile windshield and projected to a dome and recording the points as dazzling points in the same way as the point p1, and enabling all the dazzling points to be the direction in which the head-up display can generate dazzling light; if no glare point is found on the dome, it indicates that there is no risk of glare for the heads-up display.
The glare detection system of the head-up display has the beneficial effects that:
1. the light source is arranged at the eye box position of the head-up display, the high-directivity light beam is projected, and the dome is arranged for collecting the bright spots, so that the glare possibly generated by the head-up display can be detected according to the reversible principle of the light path, the analysis can be carried out according to the detected glare, the optical and structural design and the manufacturing process can be improved, the generation of the glare can be avoided, and the safe driving can be further ensured;
2. the detection system is low in cost and high in efficiency.
Drawings
FIG. 1 is a two-dimensional schematic view of a head-up display glare detection system of the present invention;
FIG. 2 is a three-dimensional schematic view of a head-up display glare detection system of the present invention;
fig. 3 is a schematic view of light projection in the detection method of the head-up display glare detection system according to the present invention.
Detailed Description
The invention is further illustrated by the following examples:
example (b):
as shown in fig. 1 and 2, the head-up display glare detection system includes a head-up display 1 to be detected, a windshield 2 disposed above the head-up display, an eye box position behind the windshield, a light source 3 disposed at the eye box position, a camera unit 4 disposed near the eye box position, and a dome 5 disposed above the windshield, wherein the light source is configured to emit a high-directivity light beam, the head-up display to be detected includes a light exit area, the windshield includes an imaging reflection area, and the high-directivity light beam covers the light exit area of the head-up display to be detected and the imaging reflection area of the windshield, respectively;
the dome 5 is the sphere, the centre of sphere is located the eye box position, the sphere includes interior concave surface, the interior concave surface of sphere is the detection zone of camera unit, just the interior concave surface of sphere is the collection of all probably producing the dazzling light direction of dazzling light.
The camera unit is a single camera or a camera group, the number of cameras in the camera group is not limited, and the number of cameras in the camera group is determined according to the size of the dome;
the glare detection system further comprises a simulation instrument desk 6, and the to-be-detected head-up display is arranged on the simulation instrument desk;
the light source is a projector;
constructing a clock structure by using a sphere in which a dome spherical surface is positioned, wherein the dome spherical surface at least covers an area enclosed by the clock structure in two directions from ten am to two pm;
as shown in fig. 3, the detection principle of the head-up display glare detection system is as follows:
the method comprises the following steps that (I) N light rays are projected from a light source, for example, three light rays a, b and c are taken, the light ray a is projected forwards, one part of the light ray a directly penetrates through automobile front windshield glass, the other part of the light ray a is reflected by the automobile front windshield glass to form light ray a ', the light ray a ' is incident into the head-up display, the light ray a ' is the light ray a ' reflected and projected by an optical lens group in the head-up display, then the light ray a ' is projected to a point p1 of a dome, the point p1 is the direction capable of generating glare, and the reason is that according to the principle that a light path is reversible, the light ray in the point p1 position or the point p1 direction sequentially passes through three paths a ', a ' and a to be incident to human eyes;
the light b is projected forwards, one part of the light b directly penetrates through the automobile front windshield, the other part of the light b is reflected by the automobile front windshield to form light b ', b' is not incident to the head-up display, and is absorbed by the analog instrument desk or forms diffuse reflection;
thirdly, the light ray c is emitted forwards and is directly diffused and reflected by the shell of the head-up display or the analog instrument desk;
fourthly, repeating the first step to the third step, so that light rays of the light source respectively cover a light ray emergent area of the head-up display to be detected and an imaging reflection area of the automobile windshield, finding out all points which can be reflected by the head-up display and the automobile windshield and projected to a dome and recording the points as dazzling points in the same way as the point p1, and enabling all the dazzling points to be the direction in which the head-up display can generate dazzling light; if no glare point is found on the dome, it indicates that there is no risk of glare for the heads-up display.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (9)
1. Light detecting system is dazzled to new line display, its characterized in that:
the device comprises a head-up display to be tested, an automobile windshield arranged above the head-up display, an eye box position behind the automobile windshield, a light source arranged at the eye box position, a camera unit arranged close to the eye box position, and a dome arranged above the automobile windshield, wherein the light source is used for emitting a high-directivity light beam;
the dome is the sphere, the centre of sphere is located the eye box position, the sphere includes interior concave surface, the interior concave surface of sphere is the detection zone of camera unit, just the interior concave surface of sphere is the collection of all probably producing the dazzling light direction of dazzling light.
2. The glare detection system for the head-up display according to claim 1, wherein the camera unit is a single camera or a camera group, the number of cameras of the camera group is not limited, and the number of cameras of the camera group is determined according to the size of the dome.
3. The head-up display glare detection system according to claim 1, wherein the light source is connected with a transmission mechanism, the transmission mechanism comprises an X-axis transmission mechanism and/or a Y-axis transmission mechanism and/or a Z-axis transmission mechanism, and the transmission mechanism is used for carrying out X-axis movement or Y-axis movement or Z-axis movement on the light source at the eye box position, so as to simulate the movement of human eyes.
4. The head-up display glare detection system of claim 1, further comprising an analog instrument desk, wherein the head-up display to be tested is disposed on the analog instrument desk.
5. The heads-up display glare detection system of claim 1, wherein the light source comprises, but is not limited to, a projector, a searchlight, a laser scanning device.
6. The heads-up display glare detection system of claim 1, wherein the clockwork is constructed from a sphere in which a dome sphere covers at least an area bounded by the clockwork in the direction from ten am to two pm.
7. The heads-up display glare detection system of claim 1, wherein the dome comprises, but is not limited to, a spherical surface.
8. The heads-up display glare detection system of claim 1, wherein a path directly in front of the eye-box location and directly projected by the light source is free of dome coverage due to: A. the probability of generating glare right in front of the eye box position is low, and B light rays directly projected to the dome by the light source can interfere the detection result.
9. The head-up display glare detection system of claim 1, wherein the detection principle of the head-up display glare detection system is as follows:
the method comprises the following steps that (I) N light rays are projected from a light source, for example, three light rays a, b and c are taken, the light ray a is projected forwards, one part of the light ray a directly penetrates through automobile front windshield glass, the other part of the light ray a is reflected by the automobile front windshield glass to form light ray a ', the light ray a ' is incident into the head-up display, the light ray a ' is the light ray a ' reflected and projected by an optical lens group in the head-up display, then the light ray a ' is projected to a point p1 of a dome, the point p1 is the direction capable of generating glare, and the reason is that according to the principle that a light path is reversible, the light ray in the point p1 position or the point p1 direction sequentially passes through three paths a ', a ' and a to be incident to human eyes;
the light b is projected forwards, one part of the light b directly penetrates through the automobile front windshield, the other part of the light b is reflected by the automobile front windshield to form light b ', b' is not incident to the head-up display, and is absorbed by the analog instrument desk or forms diffuse reflection;
thirdly, the light ray c is emitted forwards and is directly diffused and reflected by the shell of the head-up display or the analog instrument desk;
fourthly, repeating the first step to the third step, so that light rays of the light source respectively cover a light ray emergent area of the head-up display to be detected and an imaging reflection area of the automobile windshield, finding out all points which can be reflected by the head-up display and the automobile windshield and projected to a dome and recording the points as dazzling points in the same way as the point p1, and enabling all the dazzling points to be the direction in which the head-up display can generate dazzling light; if no glare point is found on the dome, it indicates that there is no risk of glare for the heads-up display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354951.5A CN114061911B (en) | 2021-11-16 | 2021-11-16 | Dazzle light detection system of head-up display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111354951.5A CN114061911B (en) | 2021-11-16 | 2021-11-16 | Dazzle light detection system of head-up display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114061911A true CN114061911A (en) | 2022-02-18 |
| CN114061911B CN114061911B (en) | 2023-09-15 |
Family
ID=80272635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111354951.5A Active CN114061911B (en) | 2021-11-16 | 2021-11-16 | Dazzle light detection system of head-up display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114061911B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007045301A1 (en) * | 2007-09-21 | 2009-04-02 | Carl Zeiss Ag | Reflective imaging projection system characterizing arrangement for use in motor vehicle i.e. automobile, has dispersive plate inserted between projection lens and reflecting surface, where dispersive plate is stamped in lattice structure |
| JP2015069111A (en) * | 2013-09-30 | 2015-04-13 | 株式会社Ｊｖｃケンウッド | Image display device, screen and image display method |
| CN108225734A (en) * | 2018-01-05 | 2018-06-29 | 宁波均胜科技有限公司 | A kind of error calibration system and its error calibrating method based on HUD systems |
| CN207751667U (en) * | 2018-01-05 | 2018-08-21 | 宁波均胜科技有限公司 | A kind of error calibration system for head-up-display system |
| CN207850659U (en) * | 2018-03-02 | 2018-09-11 | 上海复瞻智能科技有限公司 | A kind of HUD image tests equipment |
| CN108896281A (en) * | 2018-08-01 | 2018-11-27 | 上海玮舟微电子科技有限公司 | Vision area method for measuring width and system based on Hud system |
| CN208860574U (en) * | 2018-08-02 | 2019-05-14 | 江苏泽景汽车电子股份有限公司 | A kind of HUD Stray Light Test equipment |
| CN109788278A (en) * | 2019-01-16 | 2019-05-21 | 深圳市壹欣科技有限公司 | Camera glare test method and its glare acquisition device |
| CN111024371A (en) * | 2019-12-25 | 2020-04-17 | 上海维誉自动化设备有限公司 | HUD front windshield detection device |
| CN112082739A (en) * | 2020-08-28 | 2020-12-15 | 江苏泽景汽车电子股份有限公司 | HUD stray light environment simulation test device and test method |
| CN112255810A (en) * | 2020-12-14 | 2021-01-22 | 深圳市锐思华创技术有限公司 | Anti-sun glare head-up display optical system based on small inclination angle |
| CN112904558A (en) * | 2019-11-19 | 2021-06-04 | 通用汽车环球科技运作有限责任公司 | Head-up display calibration |
-
2021
- 2021-11-16 CN CN202111354951.5A patent/CN114061911B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007045301A1 (en) * | 2007-09-21 | 2009-04-02 | Carl Zeiss Ag | Reflective imaging projection system characterizing arrangement for use in motor vehicle i.e. automobile, has dispersive plate inserted between projection lens and reflecting surface, where dispersive plate is stamped in lattice structure |
| JP2015069111A (en) * | 2013-09-30 | 2015-04-13 | 株式会社Ｊｖｃケンウッド | Image display device, screen and image display method |
| CN108225734A (en) * | 2018-01-05 | 2018-06-29 | 宁波均胜科技有限公司 | A kind of error calibration system and its error calibrating method based on HUD systems |
| CN207751667U (en) * | 2018-01-05 | 2018-08-21 | 宁波均胜科技有限公司 | A kind of error calibration system for head-up-display system |
| CN207850659U (en) * | 2018-03-02 | 2018-09-11 | 上海复瞻智能科技有限公司 | A kind of HUD image tests equipment |
| CN108896281A (en) * | 2018-08-01 | 2018-11-27 | 上海玮舟微电子科技有限公司 | Vision area method for measuring width and system based on Hud system |
| CN208860574U (en) * | 2018-08-02 | 2019-05-14 | 江苏泽景汽车电子股份有限公司 | A kind of HUD Stray Light Test equipment |
| CN109788278A (en) * | 2019-01-16 | 2019-05-21 | 深圳市壹欣科技有限公司 | Camera glare test method and its glare acquisition device |
| CN112904558A (en) * | 2019-11-19 | 2021-06-04 | 通用汽车环球科技运作有限责任公司 | Head-up display calibration |
| CN111024371A (en) * | 2019-12-25 | 2020-04-17 | 上海维誉自动化设备有限公司 | HUD front windshield detection device |
| CN112082739A (en) * | 2020-08-28 | 2020-12-15 | 江苏泽景汽车电子股份有限公司 | HUD stray light environment simulation test device and test method |
| CN112255810A (en) * | 2020-12-14 | 2021-01-22 | 深圳市锐思华创技术有限公司 | Anti-sun glare head-up display optical system based on small inclination angle |
Non-Patent Citations (1)
| Title |
|---|
| 邓耀华;周娜;吴黎明;: "超高亮度阵列式LED背光模亮度均匀化设计与模拟", 电子测量与仪器学报, no. 08 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114061911B (en) | 2023-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6188879B2 (en) | Headlight module and headlight device | |
| CN208635005U (en) | Lamps apparatus for vehicle | |
| CN107327777B (en) | Vehicle lamp control system and vehicle provided with same | |
| CN110186004B (en) | Vehicle lamp | |
| CN112664899B (en) | Headlight module | |
| US6688744B2 (en) | Back projection visual field tester | |
| JP2005044809A (en) | Elliptical lighting module without shielding emitting a lighting beam having a cut off and headlight provided with the module | |
| CN114270097B (en) | Headlamp module and headlamp device | |
| CN107859968B (en) | Car light lighting system, car light assembly and car | |
| US10139057B2 (en) | Optical module for projecting a cutoff light beam including horizontally focusing means | |
| US9588012B2 (en) | Method for calculating the surface area of optical lenses and projection lenses manufactured according to the method for use in a light module in a motor vehicle headlamp | |
| CN111692568A (en) | Light emitting device for imaging a virtually illuminated surface of a light collector | |
| JPH074967A (en) | Surveying apparatus | |
| CN114061911B (en) | Dazzle light detection system of head-up display | |
| CN104797880B (en) | Signals of vehicles device with 3-D effect | |
| JP2020177012A (en) | Optical apparatus, on-board system, and movement apparatus | |
| KR101950749B1 (en) | Lens for head lamp of vehicle | |
| JP2018060720A (en) | Headlight module and headlight device | |
| JP4743142B2 (en) | Vehicle lighting | |
| KR20200079823A (en) | Lamp of vehicle | |
| CN219976209U (en) | Car light module and car light | |
| CN213840799U (en) | Car light optical projection unit, car light optical system, car light and vehicle | |
| CN111853689B (en) | LIDAR integrated lamp device of vehicle | |
| Abulkhanov et al. | The effect of vibration on the performance of lighting devices | |
| JP2020046262A (en) | Stereo camera, onboard lighting unit, and stereo camera system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |