CN102661846B - Mobile measuring device used for testing vibration display performance of head-up display - Google Patents
Mobile measuring device used for testing vibration display performance of head-up display Download PDFInfo
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- CN102661846B CN102661846B CN201210133255.6A CN201210133255A CN102661846B CN 102661846 B CN102661846 B CN 102661846B CN 201210133255 A CN201210133255 A CN 201210133255A CN 102661846 B CN102661846 B CN 102661846B
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Abstract
The invention discloses a mobile measuring device used for testing vibration display performance of a head-up display. The upper part of a bottom plate is fixedly provided with a support; the lower part of the bottom plate is provided with rollers and bottom plate supports; a lift is fixedly arranged on the support; a lifting power shaft is connected with a lifting flat; a lift mounting plate is provided with four pillars; the lifting flat can vertically slide along the pillars; a damper is arranged between a vibration isolation platform and the lifting flat; a camera mounting plate is arranged on the vibration isolation platform through a revolving shaft of a camera; and a high-speed camera is arranged on the camera mounting plate. According to the mobile measuring device used for testing the vibration display performance of the head-up display, tracking photographing can be realized on the head-up display, therefore, a foundation is laid for quantitative measurement and analysis, and the vibration display performance of the head-up display is accurately evaluated.
Description
Technical field
The present invention relates to head-up display vibration and show image measurement technical field, especially a kind of traverse measuring device for head-up display vibration measurement of the display characteristics.
Background technology
Head-up display (Head Up Display), is called for short HUD, is generally to use at present flight supplementary instrument aboard, and HUD is the principle of utilizing optical reflection, and important flight relevent information is incident upon above a slice glass.The data of HUD projection is main has important relationship with flight safety, such as flying height, flying speed, course, vertical speed rate variation, craft inclination angle etc.While being used in combat environment, also can add target data, weapon, visual sight device and transmitting related data, estimate point of impact etc.Special due to the working environment of aircraft need to carry out the performance test under vibration condition to it before head-up display dispatches from the factory, once because deviation appears showing in head-up display, very large on flight safety impact.
And flat aobvious vibration display performance detection is to carry out under vibration environment, vibration environment is very large to existing optical detecting method influential effect.Therefore, at present, the detection of the display effects such as the amplitude that whether display frame under vibration condition is shaken, shaken for head-up display, frequency, being mainly the judgement that relies on observer's subjectivity, thering is no quantitative measurement mechanism and analytical technology, there is more objective factor in its judged result, error is larger, cannot accurately to head-up display, vibrate the evaluation of display performance, thereby cannot revise head-up display, greatly limit the development and application of high performance head-up display.
Summary of the invention
In order to overcome prior art, measure without quantitative test, the deficiency that measuring error is large, the invention provides a kind of traverse measuring device for head-up display vibration measurement of the display characteristics, by designing the subsidiary platform of the head-up display vibration-testing under a set of vibration environment, realize flat aobvious vibration and show that image property detects.
The technical solution adopted for the present invention to solve the technical problems is: comprise that video camera installs governor motion, elevating mechanism, vibration isolating mechanism and travel mechanism, and travel mechanism's support that is connected on base plate top, base plate bottom is provided with roller and subplate bearer; The lifter of elevating mechanism is fixed on support by lifter installing plate, the lifting drive axle lower end of lifter stretch into base plate perforate in, lifting drive axle guide end axle by guiding fixed cover be connected with lifting board; Four drift angles of lifter installing plate upper surface are provided with four root posts, and four root post upper ends and top board are connected, and between lifting board and column, by outer guide sleeve, are connected with interior orienting sleeve, guarantee that lifting board can slide up and down along column; Between the vibration reduction platform of vibration isolating mechanism and lifting board, be provided with vibration damper, vibration damper is arranged on lifting board by vibration damper mount pad; The camera carriage that video camera is installed governor motion is arranged on vibration reduction platform, and camera rotating shaft is arranged on camera carriage by camera rotary shaft rack, and camera installing plate is connected with camera rotating shaft, and high-speed camera is arranged on camera installing plate.
Described subplate bearer upper end is connected with base plate by screw thread, can stretch out by rotation, realizes and supporting, and rotates indentation when needs move, and realizes mobile by roller.
The invention has the beneficial effects as follows: the described traverse measuring device for head-up display vibration measurement of the display characteristics, it installs the combination of governor motion, elevating mechanism, vibration isolating mechanism and travel mechanism by video camera, can realize head-up display is carried out to tracking shot, thereby lay a good foundation for quantitative measurement and analysis, avoid the subjective factor of artificial judgment, realized the evaluation of accurately head-up display being vibrated display performance.
Accompanying drawing explanation
Fig. 1 is structure partial cross-sectional schematic of the present invention,
Fig. 2 is the left TV structure partial schematic sectional view of Fig. 1,
Fig. 3 is the structural representation of looking up of Fig. 1.
In figure: 1, top board, 2, lining on column, 3, column, 4, camera installing plate, 5, camera rotary shaft rack, 6, camera rotating shaft, 7, vibration reduction platform, 8, vibration damper, 9, lifting board, 10, outer guide sleeve, 11, lining under column, 12, lifter installing plate, 13, channel-section steel support, 14, lifting drive axle, 15, subplate bearer, 16, base plate, 17, roller, 18, lifter, 19, interior orienting sleeve, 20, lifting drive axle guide end axle, 21, vibration damper mount pad, 22, guiding fixed cover, 23, camera carriage lining, 24, camera carriage, 25, high-speed camera.
Embodiment
The technical solution adopted for the present invention to solve the technical problems is: comprise video camera installation governor motion, elevating mechanism, vibration isolating mechanism and travel mechanism, travel mechanism is propped up and is configured to by base plate and channel-section steel, channel-section steel support is a plurality of, channel-section steel support lower end and base plate side are fixedly linked, each side is set to two channel-section steel supports, channel-section steel supporting structure is the channel-section steel section bar of standard, and base plate bottom is provided with roller and subplate bearer; The lifter installing plate of elevating mechanism is fixedly mounted on channel-section steel support, lifter and lifter installing plate are fixedly linked, the lifting drive axle lower end of lifter is stretched in the hole of setting corresponding to base plate, and lifting drive axle guide end axle is connected with lifting board by guiding fixed cover; Four root posts are installed on lifter installing plate, four root post lower ends are fixedly linked by lining under column and nut and lifter installing plate, four root post upper ends are fixedly linked by lining on column and nut and top board, lifting board is arranged on four root posts, is provided with outer guide sleeve and interior orienting sleeve between lifting board and column; Between the vibration reduction platform of vibration isolating mechanism and lifting board, be provided with vibration damper, vibration damper is arranged on lifting board by vibration damper mount pad; The camera carriage that video camera is installed governor motion is arranged on vibration reduction platform by camera carriage lining, camera rotating shaft is fixedly mounted on camera carriage by camera rotary shaft rack and screw, camera installing plate is connected with camera rotating shaft, and high-speed camera is fixedly mounted on camera installing plate.
The subplate bearer upper end of described travel mechanism is connected with base plate by screw thread, can stretch out by rotation, realizes and supporting, and rotates indentation when needs move, and realizes mobile by roller.
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, 2, 3, the described traverse measuring device for head-up display vibration measurement of the display characteristics, comprise video camera installation governor motion, elevating mechanism, vibration isolating mechanism and travel mechanism, travel mechanism consists of base plate 16 and channel-section steel support 13, channel-section steel support is 8, and channel-section steel support lower end and base plate side are fixedly linked, and each side is set to two channel-section steel supports, channel-section steel supporting structure is the channel-section steel section bar of standard, and base plate 16 bottoms are provided with roller 17 and subplate bearer 15, the lifter installing plate 12 of elevating mechanism is fixedly mounted on channel-section steel support 13, lifter 18 is fixedly linked with lifter installing plate 12, lifting drive axle 14 lower ends of lifter 18 are stretched in the hole with the corresponding setting of base plate 16 of travel mechanism, lifting drive axle guide end axle 20 is connected with lifting board 9 by guiding fixed cover 22, four root posts 3 are installed on lifter installing plate 12, four root post 3 lower ends are fixedly linked by lining under column 11 and nut and lifter installing plate 12, four root post 3 upper ends are fixedly linked by lining on column 2 and nut and top board 1, lifting board 9 is arranged on four root posts 3, between lifting board 9 and column 3, be provided with outer guide sleeve 10 and interior orienting sleeve 19, between the vibration reduction platform 7 of vibration isolating mechanism and lifting board 9, be provided with vibration damper 8, vibration damper 8 is arranged on lifting board 9 by vibration damper mount pad 21, the camera carriage 24 that video camera is installed governor motion is arranged on vibration reduction platform 7 by camera carriage lining 23, camera rotating shaft 6 is fixedly mounted on camera carriage 24 by camera rotary shaft rack 5 and screw, camera installing plate 4 is connected with camera rotating shaft 6, and high-speed camera 25 is fixedly mounted on camera installing plate 4.
Subplate bearer 15 upper ends of described travel mechanism are connected with base plate 16 by screw thread, can stretch out by rotation, realize and supporting, and rotate indentation when needs move, and by roller 17, realize mobile.
The described traverse measuring device for head-up display vibration measurement of the display characteristics, it in use, by roller 17, move to before the head-up display that needs to detect, by rotating bottom board bearing 15 upper end screw threads, it is stretched out, realize fixed support, start the lifter 18 of elevating mechanism, the vibration isolating mechanism that lifting drive axle 14 promotes on lifting board 9 moves up and down, thereby drive the video camera installation governor motion on vibration reduction platform 7 to move to the position corresponding with head-up display, again by adjusting the high-speed camera 25 on camera installing plate 4, thereby realize the measurement to head-up display.
Claims (2)
1. the traverse measuring device for head-up display vibration measurement of the display characteristics, comprise video camera installation governor motion, elevating mechanism, vibration isolating mechanism and travel mechanism, it is characterized in that: travel mechanism's support that is connected on base plate top, base plate bottom is provided with roller and subplate bearer; The lifter of elevating mechanism is fixed on support by lifter installing plate, and the lifting drive axle lower end of lifter is stretched in base plate perforate, and lifting drive axle guide end axle is connected with lifting board by guiding fixed cover; Four drift angles of lifter installing plate upper surface are provided with four root posts, and four root post upper ends and top board are connected, and between lifting board and column, by outer guide sleeve, are connected with interior orienting sleeve, guarantee that lifting board can slide up and down along column; Between the vibration reduction platform of vibration isolating mechanism and lifting board, be provided with vibration damper, vibration damper is arranged on lifting board by vibration damper mount pad; The camera carriage that video camera is installed governor motion is arranged on vibration reduction platform, and camera rotating shaft is arranged on camera carriage by camera rotary shaft rack, and camera installing plate is connected with camera rotating shaft, and high-speed camera is arranged on camera installing plate.
2. the traverse measuring device for head-up display vibration measurement of the display characteristics according to claim 1, is characterized in that: described subplate bearer upper end is connected with base plate by screw thread, extended or retracted by rotating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210133255.6A CN102661846B (en) | 2012-05-03 | 2012-05-03 | Mobile measuring device used for testing vibration display performance of head-up display |
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CN201210133255.6A CN102661846B (en) | 2012-05-03 | 2012-05-03 | Mobile measuring device used for testing vibration display performance of head-up display |
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CN102661846A CN102661846A (en) | 2012-09-12 |
CN102661846B true CN102661846B (en) | 2014-09-03 |
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CN201210133255.6A Expired - Fee Related CN102661846B (en) | 2012-05-03 | 2012-05-03 | Mobile measuring device used for testing vibration display performance of head-up display |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109282966A (en) * | 2018-08-31 | 2019-01-29 | 合肥泰沃达智能装备有限公司 | A kind of light guide plate rotation detection platform |
CN110779687A (en) * | 2019-10-17 | 2020-02-11 | 中国航空工业集团公司洛阳电光设备研究所 | Device and method for measuring character jitter in vibration environment of head-up display |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US6567014B1 (en) * | 1998-11-05 | 2003-05-20 | Rockwell Collins, Inc. | Aircraft head up display system |
JP4702437B2 (en) * | 2008-11-25 | 2011-06-15 | トヨタ自動車株式会社 | Vehicle display device |
CN101865763A (en) * | 2010-07-14 | 2010-10-20 | 西安工业大学 | Parallax measurement device of airborne head-up display |
CN202024871U (en) * | 2011-04-22 | 2011-11-02 | 京东方科技集团股份有限公司 | Vibration test device for display module |
CN202582875U (en) * | 2012-05-03 | 2012-12-05 | 西北工业大学 | Mobile measuring device used for testing vibration display performance of head up display |
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2012
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