CN201716017U - Traffic sign dynamic visual cognition distance analogue tester - Google Patents
Traffic sign dynamic visual cognition distance analogue tester Download PDFInfo
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- CN201716017U CN201716017U CN 201020188847 CN201020188847U CN201716017U CN 201716017 U CN201716017 U CN 201716017U CN 201020188847 CN201020188847 CN 201020188847 CN 201020188847 U CN201020188847 U CN 201020188847U CN 201716017 U CN201716017 U CN 201716017U
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Abstract
The utility model provides a traffic sign dynamic visual cognition distance analogue tester, which comprises a control timing module, an image generating module and an observing module. The control timing module is connected with the image generating module, is used for controlling observed signs and recording projection time of the observed signs and correct observed sign information visual cognition time of observers, the image generating module is used for projecting observed signs, and the observing module is used for observing imaging of the observed signs. The traffic sign dynamic visual cognition distance analogue tester has the advantages of simple operation, high simulation degree and complete analogue variable, can test the highway traffic sign dynamic visual cognition distance of observers moving in different speeds and conditions, resolves the problem that the design and the setting of traffic signs are lack of high-efficient, economic and practical checking means, and has the advantages of high-efficiency, practicality and effectiveness.
Description
Technical field
The utility model belongs to highway communication job facilities field, the dynamic distance of visual cognition simulating test device of particularly a kind of traffic sign, and it adopts image simulation method test observer under the different motion speed condition, to the distance of visual cognition of objects such as traffic sign.
Background technology
Traffic sign is to transmit customizing messages with graphical symbol and literal, in order to regulate the traffic and to indicate direction of traffic, finally guarantees the facility of The coast is clear and traffic safety.Therefore it is gone on a journey to have closely with daily life and gets in touch.
Guarantee that content that traffic sign carries can the effective identification of observed person, and bring into play its due effect, then but the content of traffic sign must satisfy visibility within the specific limits, thereby reserve the necessary time for the anticipation of road user, reaction, this point is even more important for the motor vehicle driver and crew under the high-speed motion state.
Yet the factor that influences the dynamic distance of visual cognition of traffic sign is more, except that the difference of human eye, sign content, size, color, brightness, viewing angle, factors such as road speed and background luminance all can cause visibility can different.For guaranteeing the validity of Traffic Signs Design, setting, need be according to concrete flag information, the acceptable conditions such as recognizing angle, luminance contrast, the speed of a motor vehicle of looking is carried out verification experimental verification to it, to determine to be provided with the rationally effective of information such as place, mounting means, font brightness, size.
Present experimental technique comprises full size actual loading test method and theoretical analysis.Because the large usage quantity of traffic sign, and road conditions, the environmental information used, user demand is not quite similar, and the human and material resources consumption of full size actual loading test is very big, is difficult to the validity in order to proof mark in engineering design and safety evaluation stage.And theoretical analysis is because parameters such as traffic sign content, specification, environment for use are complicated and changeable, so adopt simplified approximate processing more, observer's parameter also all is to be example with the typical individual, and analysis result accuracy is lower and do not possess general applicability and seldom employing.For a long time, mostly the design of sign is the speed interval of normative reference regulation and the corresponding relation of literal height, stroke weight, is difficult to embody the identification difference that literal, the simplified and traditional difference of content are caused, for the consideration of others deficiency more.
Therefore, need provide a kind of can be efficiently, practical, effectively test the device of the dynamic distance of visual cognition of highway traffic sign, Here it is aim of the present utility model place.
Summary of the invention
The purpose of this utility model be at above-mentioned prior art Traffic Signs Design, the problem that lacks efficient, economic, practical checking means is set, provide a kind of traffic sign dynamic distance of visual cognition simulating test device, can be efficiently, practical, effectively test the dynamic distance of visual cognition of highway traffic sign.
The technical scheme taked of the utility model is to achieve these goals: the dynamic distance of visual cognition simulating test device of a kind of traffic sign, comprise control timing module, image generation module and Observation Blocks, wherein, the control timing module links to each other with the image generation module, described control timing module is used for control and is observed sign, and record is observed the projection moment of sign, and the observer correctly looks the moment of recognizing tested label information, described image generation module is used for the projection of observed sign, and described Observation Blocks is used to observe the video imaging of tested mark.
Particularly, described control timing module comprises and contains the microcomputer of controlling timing unit, the trigger element that is placed on microcomputer and links to each other with microcomputer; Described image generation module comprises projecting cell; Described Observation Blocks comprises screen.
Further, for better showing described tested sign, described image generation module also comprises the image adjustment unit.
Particularly, described projecting cell is a projector, and described image adjustment unit is a lens combination.
Particularly, for effective isolation environment light, described screen outside is provided with the darkroom of containing it.
The beneficial effects of the utility model are: compared to existing technology, the utility model has adopted and has comprised the control timing module, the structure of image generation module and Observation Blocks, by the control of control timing module, with the simulation be observed the sign and background information be incident upon on the Observation Blocks by the image generation module, and according to the variation of simulated range, continuously change the sign size, information such as content, synchronous recording constantly at that time, and the observer effectively looks and recognizes the moment of sign after the content, the moment of observer's acknowledgement indicator deducts the observer and does trigger action reaction time gained corresponding simulated range constantly, is the dynamic distance of visual cognition that indicates under the specific speed condition.The utlity model has simple to operate, fidelity is high, the comprehensive characteristics of analog variable, this device can be tested the observer who moves under the friction speed condition highway traffic sign is dynamically looked the distance of recognizing, and has solved Traffic Signs Design, the problem that lacks efficient, economic, practical checking means is set.Therefore, the utlity model has efficient, practical, effective advantage.
The utility model is equally applicable to the test of the dynamic distance of visual cognition of facilities such as traffic lights, lane control sign.
Description of drawings
Fig. 1 is the logic diagram of the dynamic distance of visual cognition simulating test device of traffic sign described in the utility model;
Fig. 2 is the concrete structure figure of the dynamic distance of visual cognition simulating test device of traffic sign described in the utility model;
Fig. 3 is that the utility model distance of visual cognition calculates synoptic diagram.
Among Fig. 1: the dynamic distance of visual cognition of 10 outputs, 20 control timing modules, 30 observers, 40 image generation modules, 50 Observation Blocks,
Among Fig. 2,1 microcomputer, 2 projector, 3 lens combination, 4 darkrooms, 5 screens, 6 buttons.
Among Fig. 3, T is for lasting, and Tn-T=Tx, Tn trigger corresponding system time, and Tx recognizes corresponding system time for effectively looking.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
As shown in Figure 1, the dynamic distance of visual cognition simulating test device of a kind of traffic sign described in the utility model comprises control timing module 20, image generation module 40 and Observation Blocks 50.Wherein, control timing module 20 links to each other with image generation module 40.
Described Observation Blocks 50 is used to observe the video imaging of tested mark.Shown in Fig. 1-2, described image generation module 40 comprises projecting cell.For better showing described tested sign, described image generation module 40 also comprises the image adjustment unit.In this example, the preferred projector 2 of described projecting cell, described image adjustment unit preferred lens group 3.
Described image generation module 40 is used for the projection of observed sign.Shown in Fig. 1-2, described Observation Blocks 50 comprises screen 5.In this example, described Observation Blocks 50 is preferably diffuse reflection performance excellent screen 5, for effective isolation environment light, the darkroom 4 of containing it is set outside the described screen 5.
Described control timing module 20 is used for control and is observed sign, and writes down the projection moment that is observed sign, and observer 30 correctly looks the moment of recognizing tested label information.Speed that the size of sign that is projected and background information image, content, literal size, color, angle, luminance contrast and image change and amplitude are by the observer's 30 dynamic speed decision that is provided with.Shown in Fig. 1-2, described control timing module 20 comprises and contains the microcomputer 1 of controlling timing unit, the trigger element that is placed on microcomputer 1 and links to each other with microcomputer 1.Wherein, microcomputer 1 is as display terminal, and the control timing unit is the software of being located in the microcomputer 1, and trigger element is a button 6.
It mainly is to realize by software (control timing unit) that the utility model is converted into distance of visual cognition with the image of being observed.As shown in Figure 3, corresponding the looking of different viewing distances of scene image frame by frame recognized effect, and software control has been edited the broadcasting speed of the continuous image information of finishing and recognized scene effect with mock inspection person looking under difference driving speed.By observer's button triggering timing pick-off signal, adopt the initial time and the cut-off time of software control timing, the time is adopted the system time of microcomputer.
Wherein, Tn-T=Tx.
T in the reaction time of expression human body, is given value for lasting.
Tn is for triggering corresponding system time.
Tx recognizes corresponding system time for effectively looking.
The course of work of the present utility model is: referring to Fig. 1-3, by observed sign of microcomputer 1 regulating and controlling and background information, its image is incident upon after lens combination 3 is regulated drop shadow spreads on the screen 5 in the darkroom 4 by projector 2.The projection of every frame image constantly and pairing simulated range by microcomputer 1 corresponding record one by one, promptly the system time and the button 6 of the every frame image correspondence of record trigger corresponding system time automatically by the control timing unit.Observer 30 can correctly look push button after recognizing flag information 6 trigger recordings this time be engraved in time point in the image playing process, this time deducts human body button 6 and triggers the gained moment in reaction time corresponding simulating apart from effectively looking the dynamic distance of recognizing for sign, promptly exports dynamic distance of visual cognition 10.
Need to prove, Fig. 2 is a synoptic diagram of the concrete structure of distance of visual cognition simulating test device described in the utility model, do not represent optimum structure, optimum structure of the present utility model be observer 30 with projector 2 and screen 5 on same straight line, can eliminate visual dead angle like this, reduce test error.
The utlity model has simple to operate, fidelity is high, the comprehensive characteristics of analog variable, this device can be tested the observer who moves under the friction speed condition highway traffic sign is dynamically looked the distance of recognizing, and has solved Traffic Signs Design, the problem that lacks efficient, economic, practical checking means is set.Therefore, the utlity model has efficient, practical, effective advantage.
The utility model is equally applicable to the test of the dynamic distance of visual cognition of facilities such as traffic lights, lane control sign.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (5)
1. dynamic distance of visual cognition simulating test device of traffic sign is characterized in that: comprise control timing module, image generation module and Observation Blocks, wherein, the control timing module links to each other with the image generation module,
Described control timing module is used for control and is observed sign, and writes down the projection moment that is observed sign, and reach the observer and correctly look the moment of recognizing tested label information,
Described image generation module is used for the projection of observed sign,
Described Observation Blocks is used to observe the video imaging of tested mark,
Described control timing module is by on screen.
2. the dynamic distance of visual cognition simulating test device of traffic sign according to claim 1 is characterized in that: described control timing module comprises and contains the microcomputer of controlling timing unit, the trigger element that is placed on microcomputer and links to each other with microcomputer; Described image generation module comprises projecting cell; Described Observation Blocks comprises screen.
3. the dynamic distance of visual cognition simulating test device of traffic sign according to claim 2 is characterized in that: described image generation module also comprises the image adjustment unit.
4. the dynamic distance of visual cognition simulating test device of traffic sign according to claim 3 is characterized in that: described projecting cell is a projector, and described image adjustment unit is a lens combination.
5. the dynamic distance of visual cognition simulating test device of traffic sign according to claim 4 is characterized in that: described screen outside is provided with the darkroom of containing it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020188847 CN201716017U (en) | 2010-05-07 | 2010-05-07 | Traffic sign dynamic visual cognition distance analogue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020188847 CN201716017U (en) | 2010-05-07 | 2010-05-07 | Traffic sign dynamic visual cognition distance analogue tester |
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| Publication Number | Publication Date |
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| CN201716017U true CN201716017U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201020188847 Expired - Fee Related CN201716017U (en) | 2010-05-07 | 2010-05-07 | Traffic sign dynamic visual cognition distance analogue tester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620766A (en) * | 2012-04-11 | 2012-08-01 | 天津市市政工程设计研究院 | Dynamic legibility evaluation method for road tunnel traffic signs |
| CN103760774A (en) * | 2013-12-26 | 2014-04-30 | 西南交通大学 | Simulation assessment system for reasonability of traffic sign design and set position |
| CN104679000A (en) * | 2015-01-09 | 2015-06-03 | 中国科学院合肥物质科学研究院 | Indoor simulation testing device and testing method for target object sensing capability of mobile robot |
-
2010
- 2010-05-07 CN CN 201020188847 patent/CN201716017U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620766A (en) * | 2012-04-11 | 2012-08-01 | 天津市市政工程设计研究院 | Dynamic legibility evaluation method for road tunnel traffic signs |
| CN102620766B (en) * | 2012-04-11 | 2014-11-05 | 天津市市政工程设计研究院 | Dynamic legibility evaluation method for road tunnel traffic signs |
| CN103760774A (en) * | 2013-12-26 | 2014-04-30 | 西南交通大学 | Simulation assessment system for reasonability of traffic sign design and set position |
| CN104679000A (en) * | 2015-01-09 | 2015-06-03 | 中国科学院合肥物质科学研究院 | Indoor simulation testing device and testing method for target object sensing capability of mobile robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RESEARCH INSTITUTE OF HIGHWAY, MINISTRY OF TRANSPO Free format text: FORMER NAME: RESEARCH INST., OF ROAD SCIENCES, MINISTRY OF COMMUNICATIONS |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100088 Beijing city Haidian District Xitucheng Road No. 8 Co-patentee after: Beijing Zhongjiao Hua An Science and Technology Co., Ltd. Patentee after: Research Institute of Highway Ministry of Transport Address before: 100088 Beijing city Haidian District Xitucheng Road No. 8 Co-patentee before: Beijing Zhongjiao Hua An Science and Technology Co., Ltd. Patentee before: Research Inst., of Road Sciences, Ministry of Communications |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing Luqiaotong International Engineering Consulting & Project Management Co., Ltd. Assignor: Ministry of communications, highway Science Research Institute|Beijing Sino delivery Huaan science and Technology Co., Ltd. Contract record no.: 2012990000285 Denomination of utility model: Traffic sign dynamic visual cognition distance analogue tester Granted publication date: 20110119 License type: Exclusive License Record date: 20120502 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20180507 |