CN112304570B - Hud function test system - Google Patents
Hud function test system Download PDFInfo
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- CN112304570B CN112304570B CN202011047222.0A CN202011047222A CN112304570B CN 112304570 B CN112304570 B CN 112304570B CN 202011047222 A CN202011047222 A CN 202011047222A CN 112304570 B CN112304570 B CN 112304570B
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- glass
- hud
- connecting rod
- fixed
- assembly
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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
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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
- G01M11/0207—Details of measuring devices
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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
- G01M11/04—Optical benches therefor
Abstract
The invention relates to a HUD function testing system, which comprises an optical testing platform, wherein a windshield glass adjusted by a glass centering adjusting assembly 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 assembly is provided with a testing assembly 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 assembly 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 testing 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 related testing equipment offline, so as to provide reliability for users during use, and provide support for the development of future products, so that the virtual image on the front windshield glass reaches 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: current HUD test rack is mainly with portable test support 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 formation of image through observing HUD in people's eye position, whether the judgement image quality of perception satisfies the demands. 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 the measuring result that leads to test equipment receives the influence of glass location to produce great deviation, 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; 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 a design value; the support adopts aluminium alloy threaded connection, and positioning accuracy is lower, influences HUD imaging quality's judgement. Therefore, a hud function testing system is provided.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a 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:
the utility model provides a HUD functional test system, includes optics test platform, optics test platform's top is installed through glass supporting mechanism by the windscreen that glass adjusting part adjusted between two parties, windscreen's bottom is equipped with the HUD frock subassembly that is fixed in on the optics test platform, one side of glass adjusting part between two parties is equipped with the test component who is fixed in on the optics test platform, one side of optics test platform is installed through the link and is markd the board subassembly, glass adjusting part between two parties includes that a plurality of roots are fixed in the branch on the optics test platform, a plurality of the root be connected through connecting rod a, connecting rod b and connecting rod c between the branch, the one end of connecting rod a, connecting rod b and connecting rod c is all installed on fixing the piece that turns to at one of them branch top, and the other end of connecting rod a, connecting rod b is installed respectively on guide rail a and guide rail b, all install glass adjusting block between two parties on guide rail a and the guide rail b, the other end movable mounting of connecting rod c slides on the seat in the support.
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 and is fixed in the HUD installation smelting tool on the optics test platform through the screw thread round 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 HUD is convenient to disassemble and assemble; the windshield glass is provided with a glass centering adjusting assembly, so that the position precision of the glass is ensured; the testing system can measure 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 human eyes, HUD image extraction, measurement and analysis are achieved, and dependence on artificial observation on parameters related to HUD functions is avoided; the measurement of parameters such as imaging distance, field angle, distortion, inclination and the like of optical parameters is realized through a test system; an optical test platform with higher precision, a reasonable positioning design and a glass centering adjusting assembly are adopted, so that the measurement precision of the whole measurement system is improved; because the actual optical parameter of each HUD has the deviation relative to theoretical design, 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 and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic diagram of a conventional HDU test bench;
FIG. 2 is a schematic structural diagram of the HUD function testing system of the present invention;
FIG. 3 is a schematic structural view of the glass support mechanism of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view A-A of the partial structure of FIG. 3 of the present invention;
FIG. 5 is a schematic 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: 1-windshield glass, 2-human eyes, 3-HUD and a support, 4-aluminum profile supports, 5-glass supporting mechanisms, 6-testing components, 7-optical testing platforms, 8-calibration plate components, 9-HUD tooling components, 10-glass centering adjusting components, 11-glass supporting rods, 12-point contact, 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-compacting 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 embodiment provides a 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 arranged at the bottom of the windshield 1, a testing assembly 6 fixed on the optical testing platform 7 is arranged 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 at the top of one of the supporting rods 18, the other ends of the connecting rod a13 and the connecting rod b15 are respectively installed on a guide rail a19 and a guide rail b16, a glass centering adjustment block 20 is installed on the guide rail b16, and the other end of the connecting rod c17 is movably installed on a sliding seat 27.
This test system is HUD functional test rack based on optics test platform 7 is set up, HUD21 appears image display through windshield 1, through calibration plate subassembly 8 and test assembly 6 to HUD21 test parameter measurement, this test parameter includes imaging distance, the angle of vision, left visual angle, optical parameters such as distortion and slope, realize the position control to windshield 1 horizontal direction through glass adjusting part 10, make windshield 1 horizontal house, through removing connecting rod c17 along the arrow direction, drive and turn to piece 14 and rotate, make connecting rod a13 and connecting rod b15 drive glass adjusting block 20 placed in the middle that is located on guide rail a19 and guide rail b16, realize the left and right directions removal of windshield 1, ensure the position accuracy of windshield 1, realize that windshield 1 level is placed in the middle.
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 adopt a one-side-two-pin positioning mode with the optical test bench 7 and adopt 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 by a pressing device 22.
Fix HUD21 on HUD installation tool 23 through closing device 22 to fix HUD installation tool 23 and optics 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, principal 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 (3)
1. A hud functional test system comprises an optical test platform, and is characterized in that: the device comprises an optical testing platform, a glass centering adjusting assembly, a calibration plate assembly, a glass positioning adjusting assembly and a glass positioning adjusting assembly, wherein the windshield adjusted by the glass centering adjusting assembly is arranged above the optical testing platform through a glass supporting mechanism, the bottom of the windshield is provided with a HUD tool assembly fixed on the optical testing platform, one side of the glass centering adjusting assembly is provided with a testing assembly fixed on the optical testing platform, one side of the optical testing platform is provided with the calibration plate assembly through a 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 installed 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 installed on a guide rail a and a guide rail b, glass centering adjusting blocks are all installed on the guide rail a and the guide rail b, and the other end of the connecting rod c is movably installed on a supporting sliding seat; the connecting rod c moves along the arrow direction to drive the steering block to rotate, so that the connecting rod a and the connecting rod b drive the glass centering adjusting block positioned on the guide rail a and the guide rail b to realize the left-right movement of the windshield glass;
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.
2. The hud functional test system of 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.
3. The hud functional test system of 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 |
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| CN112304570A CN112304570A (en) | 2021-02-02 |
| CN112304570B true CN112304570B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011047222.0A Active CN112304570B (en) | 2020-09-29 | 2020-09-29 | Hud function test system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766998Y (en) * | 2004-08-24 | 2006-03-29 | 郑文举 | Completely engine-driven check ring rolling machine |
| CN206132356U (en) * | 2016-09-18 | 2017-04-26 | 惠州市华阳多媒体电子有限公司 | HUD image test equipment |
| 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 |
| CN108132156A (en) * | 2017-12-11 | 2018-06-08 | 安徽隽世电子科技有限公司 | A kind of detection method of automobile-used HUD global functions detection device |
| 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 |
| CN208239091U (en) * | 2018-05-25 | 2018-12-14 | 上海复瞻智能科技有限公司 | A kind of five axis optical platforms for HUD optical detection |
| CN111609815A (en) * | 2020-06-09 | 2020-09-01 | 上海维誉自动化设备有限公司 | HUD detection device and method for automobile front windshield |
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