CN101813557A - Visual cognition time tester with adjustable visual environment lighting condition and testing method thereof - Google Patents
Visual cognition time tester with adjustable visual environment lighting condition and testing method thereof Download PDFInfo
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- CN101813557A CN101813557A CN 201010144867 CN201010144867A CN101813557A CN 101813557 A CN101813557 A CN 101813557A CN 201010144867 CN201010144867 CN 201010144867 CN 201010144867 A CN201010144867 A CN 201010144867A CN 101813557 A CN101813557 A CN 101813557A
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Abstract
The invention discloses a visual environment light condition adjustable visual cognition time tester and a testing method thereof. The tester comprises a visual environment generation module, an observation camera bellows, a visual operation generation module and a control/timing module, wherein the visual environment generation module is used for forming uniform tested visual environment with adjustable brightness on a screen after a light source is adjusted by an optical device group; the screen is arranged in the observation camera bellows; the visual operation generation module can project a visual operation image with adjustable shape, size, brightness, color and position on the screen; the visual environment generation module and the visual operation generation module are positioned at two sides of the observation camera bellows; and the control/timing module is used for controlling the visual operation generation module to project the preset tested visual operation onto the screen, and triggering timing. The tester has high simulation degree, various variations of visual environment lighting condition, and rich and systematic visual operation information. Testing on human body visual cognition and response function influence related to light quality can be developed by using the tester and the method.
Description
Technical field
The invention belongs to highway communication job facilities field, reaction time tester and method of testing are recognized in adjustable the looking of particularly a kind of visual environment illumination condition.
Background technology
Highway luminous environment condition is for support vehicles, pedestrian safety, improving the transport by road transport power has great importance, especially low or at night, dusk, tunnel and abominable weather condition etc. all the time according under the condition, the requirements of artificial illumination that is provided by lighting installation has become traffic operation safety, unimpeded important assurance, and has obtained to use widely in highway construction.
Along with going deep into that the highway lighting facility is used and studied, and the variation of light source, light fixture kind, how reasonably to select lighting installation, cut down the consumption of energy, the visibility that improves the highway user simultaneously can enjoy the concern of each side such as highway construction, design, operation.Vcehicular tunnel is semi-enclosed structure, artificial light has very important color rendering properties of light source and the colour temperature of influencing for the euphorosia of guarantee driving safety and human pilot, the brightness of road lighting, uniformity coefficient, all the judgement of human pilot road conditions, barrier recognition capability had remarkable influence, the complexity of identification then directly translates into time of driver's reaction, promptly looks and recognizes the reaction time.The car brakeing distance is to weigh the important indicator of traffic hazard probability of happening, the order of severity under the abnormal conditions, its braking distance is except outside the Pass having with condition of road surface, vehicle performance, and it also is a significant effects factor that human pilot is recognized the reaction time to looking of abnormal conditions.Do not consider the situation of human body behavior reaction time individual difference, under the certain condition of object state, the difference of human pilot (artificial/nature) within the vision illumination background condition, make human eye have huge difference, and then cause the difference of reaction time, braking distance, security the visually-perceptible ability of object.
Under the condition that lacks corresponding research equipment, because the required place of full size full-scale investigation, tested personnel, condition costs and high such as the quantity of lighting installation, installation, research in the past is confined to theoretical research and computer simulation substantially, relevant demonstration test also has the deficiency that model is simple, parameter is single, user's demand that can't contain miscellaneous lighting installation, complexity is difficult to carry out system, effectively analysis verification work.Above situation causes the correlative study work progress slow, especially LED lighting, electrodeless lamp etc. are in the widespread use in highway lighting field, because white light LEDs light fixture product has adjustable characteristics such as emission spectrum, colour temperature, colour rendering than traditional sodium vapor lamp, mercury lamp etc., provide more choices for improving lighting quality on the one hand, also bring the hysteresis problem of existing highway lighting standard, method for designing on the other hand, become a big bottleneck of restriction relevant industries and product in-depth development.
Summary of the invention
Purpose of the invention process is the defective at above-mentioned existing research measuring technology, provides a kind of observer of test that visual task is looked adjustable the looking of visual environment illumination condition of recognizing the reaction time and has recognized reaction time tester and method of testing.
Another purpose of the embodiment of the invention provides utilizes tester test of the present invention to look the method for recognizing the reaction time.
The technical scheme taked of the embodiment of the invention is to achieve these goals: reaction time tester is recognized in adjustable the looking of a kind of visual environment illumination condition, comprises visual environment generation module, observes camera bellows, visual operation generation module and control/timing module;
Described visual environment generation module is used for after the adjustment of light source by the optical device group, the tested visual environment that form on screen uniformly, brightness can be regulated;
Be provided with screen in the described observation camera bellows, the casing of described observation camera bellows is provided with viewport;
Described visual operation generation module can project the visual operation image that shape, size, brightness, color and position can be regulated on screen;
Described observation camera bellows one side is provided with described visual environment generation module, and opposite side is provided with described visual operation generation module;
Described control/timing module is used to control visual operation generation module to the default tested visual task of screen projection, triggering timing simultaneously.
Described visual environment generation module comprises optical collector, integrating sphere, diaphragm and the lens combination I that the light of light source, light source passes through successively; Described visual operation generation module comprises projection arrangement and lens combination II, and the image of described projection arrangement projection is incident upon on the screen behind lens combination II; The timing termination button that described control/timing module comprises microcomputer, links to each other with microcomputer, described microcomputer is used for adjusting projection arrangement and is incident upon shape, size, color, brightness and the projected position that forms visual task on the screen of darkroom.
Another technical scheme of the embodiment of the invention: a kind of method of testing of recognizing reaction time tester of looking may further comprise the steps:
(1) visual environment generation module after the adjustment of light source by the optical device group, forms tested visual environment uniform, that brightness can be regulated from screen one side projection source on the screen of observing camera bellows;
(2) visual operation generation module under the control of control/timing module from the default tested visual task of the opposite side of screen projection to the screen of observing camera bellows, control/timing module while this moment triggering timing;
(3) observer is positioned at visual operation generation module one side, viewport is centered close on screen center's normal direction, observer's eyes are over against viewport, the observer effectively look recognize visual task after, the instant triggering timing of observer stops button, the reaction time timing ends, and the looking of this test of observer that goes out under corresponding visual environment and the visual task condition by Microcomputer Calculation recognized the reaction time at last.
Described observer makes human eye over against viewport by regulating location lower jaw support.
Tester of the present invention also comprises the location chin rest.
The beneficial effect of the embodiment of the invention is: the invention solves the problem that highway lighting facility product effect and theoretical research lack effective experimental analysis, checking means, have the fidelity height, visual environment illumination condition variable is various, the advantage of visual task abundant information, system, utilize the utility model can carry out relevant lighting quality to the people stereoscopicly recognize, the test of response function influence.The present invention also is applicable to relevant environmental optics index and human body under other condition, the test of equipment reaction/response time.
Description of drawings
Fig. 1 is that looking of the embodiment of the invention recognized the reaction time tester structured flowchart;
Fig. 2 is that looking of the embodiment of the invention recognized reaction time tester equipment pie graph.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Embodiment 1
First embodiment of the invention has proposed adjustable the looking of a kind of visual environment illumination condition and has recognized reaction time tester, its structure comprises visual environment generation module 103, observes camera bellows 102, visual operation generation module 101 and control/timing module 105 as shown in Figure 1;
Visual environment generation module 103 is used for after the adjustment of light source by the optical device group, the tested visual environment that form on screen uniformly, brightness can be regulated;
Observe in the camera bellows 102 and be provided with screen, observe camera bellows 102 and be provided with viewport;
Visual operation generation module 101 can project the visual operation image that shape, size, brightness, color and position can be regulated on screen;
Observe camera bellows 102 1 sides and be provided with visual environment generation module 103, opposite side is provided with visual operation generation module 101;
Control/timing module 105 is used to control visual operation generation module to the default tested visual task of screen projection, triggering timing simultaneously.
Embodiment 2
Second embodiment of the invention has proposed adjustable the looking of a kind of visual environment illumination condition and has recognized reaction time tester, is to improve on the basis of first embodiment, that is:
Except that the described visual environment generation module 103 of first embodiment, observation camera bellows 102, visual operation generation module 101 and control/timing module 105, also comprise: the location chin rest.The location chin rest can help the user that head is positioned at predeterminated position, so that the observer can observe accurately.
Wherein, described visual environment generation module 103 comprises optical collector, integrating sphere, diaphragm, the lens combination I that the light of light source passes through successively; Described visual operation generation module 101 comprises projection arrangement, and the image of described projection arrangement projection is incident upon on the screen behind lens combination II; The timing termination button that described control/timing module 105 comprises microcomputer, links to each other with microcomputer, described microcomputer is used for adjusting projection arrangement and is incident upon shape, size, color, brightness and the projected position that forms visual task on the screen of darkroom.
Embodiment 3
Third embodiment of the invention has proposed adjustable the looking of a kind of visual environment illumination condition and has recognized the testing response time method, and the equipment that it can be by first, second embodiment is as the aforementioned recognized the reaction time and tested looking.Testing procedure is specially:
(1) visual environment generation module 103 after the adjustment of light source by the optical device group, forms tested visual environment uniform, that brightness can be regulated from screen one side projection source on the screen of observing camera bellows 102;
(2) visual operation generation module 101 under the control of control/timing module 105 from the default tested visual task of the opposite side of screen projection to the screen of observing camera bellows 102,105 while of control/timing module this moment triggering timing;
(3) observer 104 is positioned at visual operation generation module one side, viewport is centered close on screen center's normal direction, observer 104 human eye is over against viewport, observer 104 clear look recognize visual task after, observer's 104 instant triggering timing stop button, the reaction time timing ends, and the looking of this test of observer that goes out under corresponding visual environment and the operating condition by Microcomputer Calculation recognized the reaction time at last.
Embodiment 4
Fourth embodiment of the invention has proposed adjustable the looking of a kind of visual environment illumination condition and has recognized the testing response time method, be to improve on the basis of aforesaid the 3rd embodiment, that is: the method for the 3rd embodiment also comprises: described observer makes human eye over against viewport by regulating location lower jaw support.
Utilize the tester of the embodiment of the invention to efficiently solve the problem that highway lighting facility product effect and theoretical research lack effective experimental analysis, checking means, the embodiment of the invention has the fidelity height, visual environment illumination condition variable is various, the advantage of visual task abundant information, system.
Below by a concrete example embodiment of the invention is described further:
Referring to Fig. 1, observe camera bellows 102 1 sides and be provided with visual operation generation module 101, opposite side is provided with visual environment generation module 103, observe camera bellows 102 middle parts and be provided with irreflexive translucent screen, observe camera bellows 102 casings and be provided with viewport, tested observer's 104 object observing is for observing the screen of camera bellows 102, on the screen of visual environment generation module 103 from screen back side projection source to observation camera bellows 102, opposite side at screen, on the screen of visual operation generation module 101 from screen front projection light source to observation camera bellows 102, observer 104 is positioned at the same side with visual operation generation module 101, visual operation generation module 101 is to the default tested visual task of screen projection under the control of control/timing module 105, control/timing module 105 is triggering timing simultaneously, observer 104 under the visual environment condition clear look recognize visual task after instant triggering timing stop interrupting timing behind the button, promptly the looking of observer's 104 these tests that can obtain under corresponding visual environment and the operating condition by control/timing module 105 recognized the reaction time.
Visual environment generation module 103 is used for after the adjustment of light source by the optical device group, the tested visual environment that form on screen uniformly, brightness can be regulated; The analog light source of visual environment generation module 103 is with replaceable different lighting lamp light source simulated environment illumination condition, after the adjustment by the optical device group, on the translucent screen of observing camera bellows 102, form tested visual environment uniform, adjustable brightness;
The screen of observing in the camera bellows 102 is the main carrier of visual environment and visual task information, also is tested observer's object observing, observes camera bellows 102 in order to the interference of isolation environment light to test;
The shape that visual operation generation module 101 can project, size, brightness, color and adjustable positions visual operation image, be incident upon on the screen behind the visual operation image scioptics group II, because the flow diagram image distortion that projecting beam and screen normal angle cause, can be revised in the program composition stage by the calculating of software crevice projection angle;
Referring to Fig. 2, the lighting source 202 that meets the test needs is by stabilized voltage supply 201 powered operation, the light beam of light source 202 being dispersed through optical collector 203 converges to the optical input of integrating sphere 204, by the uniform light beam of integrating sphere 204 diffuse reflections by the light delivery outlet through observing the even visual environment that forms adjustable brightness on the translucent screen 301 in the camera bellows behind diaphragm 205 (attenuator group), the lens combination I206; Microcomputer 501 is according to the test needs, by the operator manually or send the image information of visual tasks from trend projection arrangement 402, the timing of synchronous triggering reaction time begins, the image of projection arrangement 402 projections forms visual task through being incident upon on the screen of darkroom behind the lens combination II401, its shape, size, color, brightness and projected position all can be by microcomputer 501 regulating and controlling, and projection arrangement 402 is preferably projector; Viewport be arranged on parallel with screen and with the chest wall of the observation camera bellows of visual operation generation module projecting direction homonymy on, the viewport center is positioned at the geometric center place of this chest wall, and be positioned on screen center's normal direction, observer 104 makes human eye over against viewport by regulating location lower jaw support 601, clear look recognize visual task after observer 104 push button 502, trigger the reaction time timing and end this moment, button 502 links to each other with microcomputer 501, calculates to look by microcomputer 502 and recognizes the reaction time; Information such as the colour temperature by image-type nitometer 701 testing vision environment and visual task, colour rendering, average brightness, brightness uniformity, these information are recognized the reaction time and are promptly obtained single reaction time result under certain optical condition in conjunction with looking.
The present invention adopts the adjustable analogy method of background illumination condition in the visual environment, look and recognize the reaction time by testing visual tasks under different simulation photoenvironments and the object situation, seek the best optics index request of lighting, with perfect, revision current highway lighting criteria and method for designing, guarantee driving safety and improve the highway safety traffic capacity.
Above-described embodiment, the present invention embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (5)
1. reaction time tester is recognized in adjustable the looking of visual environment illumination condition, it is characterized in that: comprise visual environment generation module, observe camera bellows, visual operation generation module and control/timing module;
Described visual environment generation module is used for after the adjustment of light source by the optical device group, the tested visual environment that form on screen uniformly, brightness can be regulated;
Be provided with screen in the described observation camera bellows, the casing of described observation camera bellows is provided with viewport;
Described visual operation generation module can project the visual operation image that shape, size, brightness, color and position can be regulated on screen;
Described observation camera bellows one side is provided with described visual environment generation module, and opposite side is provided with described visual operation generation module;
Described control/timing module is used to control visual operation generation module to the default tested visual task of screen projection, triggering timing simultaneously.
2. according to claim 1 looking recognized reaction time tester, it is characterized in that: described visual environment generation module comprises optical collector, integrating sphere, diaphragm and the lens combination I that the light of light source, light source passes through successively; Described visual operation generation module comprises projection arrangement and lens combination II, and the image of described projection arrangement projection is incident upon on the screen behind lens combination II; The timing termination button that described control/timing module comprises microcomputer, links to each other with microcomputer, described microcomputer is used for adjusting projection arrangement and is incident upon shape, size, color, brightness and the projected position that forms visual task on the screen of darkroom.
3. according to claim 1 and 2 looking recognized reaction time tester, it is characterized in that: also comprise the location chin rest.
4. described method of testing of recognizing reaction time tester of looking of claim 1 may further comprise the steps:
(1) visual environment generation module after the adjustment of light source by the optical device group, forms tested visual environment uniform, that brightness can be regulated from screen one side projection source on the screen of observing camera bellows;
(2) visual operation generation module under the control of control/timing module from the default tested visual task of the opposite side of screen projection to the screen of observing camera bellows, control/timing module while this moment triggering timing;
(3) observer is positioned at visual operation generation module one side, viewport is centered close on screen center's normal direction, observer's eyes are over against viewport, the observer effectively look recognize visual task after, the instant triggering timing of observer stops button, the reaction time timing ends, and the looking of this test of observer that goes out under corresponding visual environment and the visual task condition by Microcomputer Calculation recognized the reaction time at last.
5. method of testing according to claim 4 is characterized in that: described observer makes human eye over against viewport by regulating location lower jaw support.
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| CN 201010144867 CN101813557B (en) | 2010-04-09 | 2010-04-09 | Visual cognition time tester with adjustable visual environment lighting condition and testing method thereof |
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| CN 201010144867 CN101813557B (en) | 2010-04-09 | 2010-04-09 | Visual cognition time tester with adjustable visual environment lighting condition and testing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376199A (en) * | 2012-04-28 | 2013-10-30 | 深圳大学 | Method and experimental device for carrying out vision measurement by adjusting objective and background luminance |
| CN106311363A (en) * | 2016-10-19 | 2017-01-11 | 沈阳建筑大学 | Vision efficiency test device |
| CN113808552A (en) * | 2021-11-18 | 2021-12-17 | 滨州学院 | Method and device for adjusting ambient illumination intensity and electronic equipment |
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| CN2030070U (en) * | 1988-04-13 | 1989-01-04 | 承德地区医疗器械管理站 | Instrument for selecting testing reaction time |
| US20050159674A1 (en) * | 2004-01-20 | 2005-07-21 | Harbin Gary L. | Method and apparatus for oculomotor performance testing |
| CN201153950Y (en) * | 2008-02-27 | 2008-11-26 | 陈水章 | Reaction speed tester |
| CN201642049U (en) * | 2010-04-09 | 2010-11-24 | 交通部公路科学研究所 | Visual recognition response time tester with adjustable visual environment lighting conditions |
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2010
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2030070U (en) * | 1988-04-13 | 1989-01-04 | 承德地区医疗器械管理站 | Instrument for selecting testing reaction time |
| US20050159674A1 (en) * | 2004-01-20 | 2005-07-21 | Harbin Gary L. | Method and apparatus for oculomotor performance testing |
| CN201153950Y (en) * | 2008-02-27 | 2008-11-26 | 陈水章 | Reaction speed tester |
| CN201642049U (en) * | 2010-04-09 | 2010-11-24 | 交通部公路科学研究所 | Visual recognition response time tester with adjustable visual environment lighting conditions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376199A (en) * | 2012-04-28 | 2013-10-30 | 深圳大学 | Method and experimental device for carrying out vision measurement by adjusting objective and background luminance |
| CN106311363A (en) * | 2016-10-19 | 2017-01-11 | 沈阳建筑大学 | Vision efficiency test device |
| CN113808552A (en) * | 2021-11-18 | 2021-12-17 | 滨州学院 | Method and device for adjusting ambient illumination intensity and electronic equipment |
| CN113808552B (en) * | 2021-11-18 | 2022-03-11 | 滨州学院 | Method and device for adjusting ambient illumination intensity and electronic equipment |
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| CN101813557B (en) | 2011-11-09 |
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