CN112304570A - Hud function test system - Google Patents
Hud function test system Download PDFInfo
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- CN112304570A CN112304570A CN202011047222.0A CN202011047222A CN112304570A CN 112304570 A CN112304570 A CN 112304570A CN 202011047222 A CN202011047222 A CN 202011047222A CN 112304570 A CN112304570 A CN 112304570A
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- glass
- hud
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- testing platform
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 239000011521 glass Substances 0.000 claims abstract description 62
- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000011990 functional testing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Classifications
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- 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
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- 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
-
- 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
- G01M11/04—Optical benches therefor
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instrument Panels (AREA)
Abstract
The invention relates to an HUD function testing system, which comprises an optical testing platform, wherein a windshield glass adjusted by a glass centering adjusting component is arranged above the optical testing platform through a glass supporting mechanism, the bottom of the windshield glass is provided with a HUD tool assembly fixed on the optical testing platform, one side of the glass centering adjusting component is provided with a testing component fixed on the optical testing platform, one side of the optical testing platform is provided with a calibration plate assembly through a connecting frame, the glass centering adjusting component comprises a plurality of supporting rods fixed on the optical testing platform, the plurality of supporting rods are connected through a connecting rod a, a connecting rod b and a connecting rod c, and one ends of the connecting rod a, the connecting rod b and the connecting rod c are all arranged on a steering block fixed at the top of one of the supporting rods; the invention can measure HUD functional parameters, all positioning structures are positioned by adopting threaded pins, the precision of the whole test bench is improved, and the positioning precision of the windshield glass is improved by adopting point contact between the windshield glass and the glass supporting rod.
Description
Technical Field
The invention relates to the technical field of hud, in particular to a hud function test system.
Background
An automobile windshield Head-Up Display (Head Up Display) can present information on the front windshield glass of an automobile, so that a driver can see instrument information only by lowering the Head, and the driving safety is ensured. Heads-up displays were first used on military aircraft. With the development of technology, the application of the head-up display in the automobile field is more and more extensive. When a typical windscreen HUD (head up display) is in use, the size, quality of the displayed image directly determines the safety of the driver. In order to avoid the above situation, it is necessary to perform image parameter measurement by using a related testing device offline, so as to ensure reliability when used by a user, and provide support for the development of a product later, so that a virtual image on the front windshield glass is in an ideal state, and the image displayed on the front windshield glass is ensured to be reliable and safe.
As shown in fig. 1 below: the current HUD test rack uses portable test support as the main more, adopts aluminium alloy and bolted connection, and the monolith support adopts the aluminium alloy, and windshield adopts the aluminium support to support, is equipped with the HUD mounted position at the support intermediate position, and the quality of imaging through observing the HUD in people's eye position, whether perceptual judgement image quality satisfies the requirement. When carrying out HUD functional test at present, the unable accurate measurement that realizes HUD functional parameter of test equipment, especially windshield and HUD's relative position can not calibrate, thereby it produces great deviation to lead to test equipment's measuring result to receive the influence of glass location, to HUD product inspection and the higher requirement of measurement technical staff. In the prior art, the imaging quality of the HUD can be observed only through human eye perception, different observers have different experiences and mainly depend on the observers, and the requirements on the experience of the observers are high; the optical parameters such as imaging distance, image size, field angle, distortion, inclination and the like cannot be parametrically measured, and the HUD imaging quality cannot be confirmed by comparing with the design values; the support adopts aluminium alloy threaded connection, and positioning accuracy is lower, influences HUD imaging quality's judgement. To this end, we propose an hud functional test system.
Disclosure of Invention
The present invention is directed to overcoming the above problems in the prior art and providing an hud function testing system
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
an HUD function test system comprises an optical test platform, wherein a windshield glass adjusted by a glass centering adjusting component is arranged above the optical test platform through a glass supporting mechanism, the bottom of the windshield glass is provided with a HUD tool assembly fixed on the optical test platform, one side of the glass centering adjusting component is provided with a test component fixed on the optical test platform, one side of the optical test platform is provided with a calibration plate assembly through a connecting frame, the glass centering adjusting component comprises a plurality of supporting rods fixed on the optical test platform, the plurality of supporting rods are connected through connecting rods a, b and c, one ends of the connecting rods a, b and c are all installed on a steering block fixed at the top of one of the supporting rods, and the other ends of the connecting rods a and b are respectively installed on a guide rail a and a guide rail b, and the guide rails a and b are respectively provided with a glass centering adjusting block, and the other end of the connecting rod c is movably arranged on the support sliding seat.
Furthermore, the glass supporting mechanism comprises a plurality of glass supporting rods fixed on the optical test platform in a pin two-side positioning mode, and the tops of the glass supporting rods are connected with the windshield in a point contact mode.
Further, HUD frock subassembly includes the HUD installation smelting tool that is fixed in on the optics test platform through the threaded pin, HUD is installed through closing device in the top of HUD installation smelting tool.
Further, the test assembly comprises a support structure fixed on the optical test platform, and a camera and a total station are fixedly arranged at the top of the support structure.
The invention can measure HUD functional parameters, all positioning structures are positioned by adopting threaded pins, the precision of the whole test bench is improved, and the positioning precision of the windshield glass is improved by adopting point contact with the glass supporting rod; the HUD is fixed by a pressing device, so that the assembly and disassembly are convenient; the windshield glass is provided with a glass centering adjusting assembly to ensure the position precision of the glass; the test system can measure the HUD parameters including optical parameters such as imaging distance, image size, field angle, left visual angle, distortion and inclination, a camera and a total station are installed at the position of a human eye, HUD image extraction, measurement and analysis are realized, and dependence on artificial observation on parameters related to HUD functions is avoided; the measurement of parameters such as imaging distance, field angle, distortion and inclination of optical parameters is realized through a test system; the measurement precision of the whole measurement system is improved by adopting an optical test platform with higher precision, a reasonable positioning design and a glass centering adjusting assembly; because the relative theoretical design of actual optical parameter of each HUD has the deviation, detect through this test system to probability statistics can improve the uniformity and the product quality of HUD product.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a prior art HDU test bench;
FIG. 2 is a schematic structural diagram of a HUD functional test system of the present invention;
FIG. 3 is a schematic structural view of the glass support mechanism of the present invention;
FIG. 4 is a cross-sectional view A-A of the partial structure of FIG. 3 of the present invention;
FIG. 5 is a schematic structural view of the glass centering adjustment assembly of the present invention;
FIG. 6 is a schematic structural view of the HUD tooling assembly of the present invention;
FIG. 7 is a schematic diagram of the structure of the test assembly of the present invention.
The reference numbers in the figures illustrate: the device comprises 1-windshield glass, 2-human eyes, 3-HUD and supports, 4-aluminum section bar supports, 5-glass supporting mechanisms, 6-testing components, 7-optical testing platforms, 8-calibration plate components, 9-HUD tool components, 10-glass centering adjusting components, 11-glass supporting rods, 12-point contacts, 13-connecting rods a, 14-steering blocks, 15-connecting rods b, 16-guide rails b, 17-connecting rods c, 18-supporting rods, 19-guide rails a, 20-glass centering adjusting blocks, 21-HUD, 22-pressing devices, 23-HUD mounting fixtures, 24-cameras and total stations, 25-supporting structures, 26-connecting frames and 27-supporting sliding seats.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 2 to 7, the present embodiment provides an HUD function testing system, which includes an optical testing platform 7, a windshield 1 adjusted by a glass centering adjustment assembly 10 is installed above the optical testing platform 7 through a glass supporting mechanism 5, a HUD tooling assembly 9 fixed on the optical testing platform 7 is installed at the bottom of the windshield 1, a testing assembly 6 fixed on the optical testing platform 7 is installed at one side of the glass centering adjustment assembly 10, a calibration plate assembly 8 is installed at one side of the optical testing platform 7 through a connecting frame 26, the glass centering adjustment assembly 10 includes a plurality of supporting rods 18 fixed on the optical testing platform 7, the plurality of supporting rods 18 are connected through a connecting rod a13, a connecting rod b15 and a connecting rod c17, one ends of the connecting rod a13, the connecting rod b15 and the connecting rod c17 are all installed on a steering block 14 fixed on the top of one of the supporting rods 18, the other ends of the connecting rod a13 and the connecting rod b15 are respectively arranged on a guide rail a19 and a guide rail b16, the guide rail a19 and the guide rail b16 are both provided with a glass centering adjusting block 20, and the other end of the connecting rod c17 is movably arranged on a support sliding seat 27.
This test system is based on the HUD functional test rack that optics test platform 7 built, HUD21 appears image display through windshield 1, through calibration panel subassembly 8 and test assembly 6 to HUD21 test parameter measurement, this test parameter includes optical parameters such as imaging distance, the angle of vision, left visual angle, distortion and slope, realize the position control to windshield 1 horizontal direction through glass adjusting part 10, make windshield 1 horizontal house, through moving along the arrow direction connecting rod c17, drive and turn to piece 14 and rotate, make connecting rod a13 and connecting rod b15 drive glass that is located on guide rail a19 and guide rail b16 and adjust piece 20 centrally, realize the left and right directions removal of windshield 1, ensure the position accuracy of windshield 1, realize that windshield 1 horizontal is centered.
Preferably, the glass support mechanism 5 includes a plurality of glass support rods 11 fixed on the optical test platform 7 by a pin positioning manner on both sides, and the tops of the glass support rods 11 are connected with the windshield 1 by a point contact manner.
The glass support adopts spherical positioning and point contact, 8 glass support rods 11 with similar structures are used for supporting the windshield glass 1, and the glass support rods 11 and the optical test bench 7 adopt a one-surface two-pin positioning mode and point contact with the windshield glass 1.
Preferably, the HUD tool assembly 9 includes a HUD mounting jig 23 fixed on the optical testing platform 7 by a threaded pin, and the top of the HUD mounting jig 23 is provided with a HUD21 through a pressing device 22.
Fix HUD21 on HUD installation tool 23 through closing device 22 to fix HUD installation tool 23 and optical test platform 7 with the screw thread through the screw pin location. The positional accuracy of HUD21 and windshield 1 is achieved.
Preferably, the test assembly comprises a support structure 25 fixed to the optical test platform 7, and a camera and a total station 24 are fixedly arranged on top of the support structure 25.
The image that HUD21 sees through windshield 1 is caught through camera and total powerstation 24 installed on bearing structure 25, realizes measuring HUD21 imaging distance, image size, angle of view, left visual angle, distortion and slope parameter, based on the optics principle, adopts calibration plate subassembly 8 to measure the imaging distance.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. An hud function testing system, comprising an optical testing platform, characterized in that: the device comprises an optical testing platform, a glass supporting mechanism, a glass centering adjusting assembly, a calibration plate assembly, a connecting frame and a glass centering adjusting assembly, wherein the glass centering adjusting assembly is arranged above the optical testing platform through the glass supporting mechanism, the HUD tooling assembly is fixed on the optical testing platform, the testing assembly is fixed on one side of the glass centering adjusting assembly, the calibration plate assembly is arranged on one side of the optical testing platform through the connecting frame, the glass centering adjusting assembly comprises a plurality of supporting rods fixed on the optical testing platform, the supporting rods are connected through connecting rods a, b and c, one ends of the connecting rods a, b and c are all arranged on a steering block fixed at the top of one of the supporting rods, the other ends of the connecting rods a and b are respectively arranged on a guide rail a and a guide rail b, and the glass centering adjusting blocks are all arranged on the, the other end of the connecting rod c is movably arranged on the support sliding seat.
2. An hud functional test system according to claim 1, wherein: the glass supporting mechanism comprises a plurality of glass supporting rods fixed on the optical test platform in a pin two-sided positioning mode, and the tops of the glass supporting rods are connected with the windshield in a point contact mode.
3. An hud functional test system according to claim 1, wherein: HUD frock subassembly includes the HUD installation smelting tool that is fixed in on the optics test platform through the screw pin, HUD is installed through closing device in the top of HUD installation smelting tool.
4. An hud functional test system according to claim 1, wherein: the test assembly comprises a supporting structure fixed on the optical test platform, and a camera and a total station are fixedly arranged at the top of the supporting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047222.0A CN112304570B (en) | 2020-09-29 | 2020-09-29 | Hud function test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011047222.0A CN112304570B (en) | 2020-09-29 | 2020-09-29 | Hud function test system |
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| Publication Number | Publication Date |
|---|---|
| CN112304570A true CN112304570A (en) | 2021-02-02 |
| CN112304570B CN112304570B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011047222.0A Active CN112304570B (en) | 2020-09-29 | 2020-09-29 | Hud function test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109031A (en) * | 2021-05-07 | 2021-07-13 | 中航华东光电有限公司 | Compressing and fixing device for measuring glass parameters |
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-
2020
- 2020-09-29 CN CN202011047222.0A patent/CN112304570B/en active Active
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|---|---|---|---|---|
| CN2766998Y (en) * | 2004-08-24 | 2006-03-29 | 郑文举 | Completely engine-driven check ring rolling machine |
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| CN206848191U (en) * | 2017-06-01 | 2018-01-05 | 福州福耀模具科技有限公司 | New line display automobile glass detection tool mechanism |
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Non-Patent Citations (1)
| Title |
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| 李卫国: "《工业机器人基础》", 30 December 2018 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113109031A (en) * | 2021-05-07 | 2021-07-13 | 中航华东光电有限公司 | Compressing and fixing device for measuring glass parameters |
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| Publication number | Publication date |
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| CN112304570B (en) | 2023-03-17 |
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Effective date of registration: 20240517 Address after: Room 2201, No. 888, Moyu South Road, Anting Town, Jiading District, Shanghai, 201805 JT1824 Patentee after: Shanghai Sirius Testing Technology Co.,Ltd. Country or region after: China Address before: 211400 Tianyue Avenue, Yizheng City, Yangzhou, Jiangsu Province, No. 15 Patentee before: JIANGSU ZEJING AUTOMOBILE ELECTRONIC CO.,LTD. Country or region before: China |