CN108709167B - A kind of tunnel caution lamp installation distribution method - Google Patents
A kind of tunnel caution lamp installation distribution method Download PDFInfo
- Publication number
- CN108709167B CN108709167B CN201810521252.7A CN201810521252A CN108709167B CN 108709167 B CN108709167 B CN 108709167B CN 201810521252 A CN201810521252 A CN 201810521252A CN 108709167 B CN108709167 B CN 108709167B
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- Prior art keywords
- tunnel
- caution lamp
- driver
- human eye
- tunnel caution
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides a kind of tunnel caution lamps to install distribution method, comprising: step 1, calculates tunnel caution lamp and is incident on the light of driver's human eye and the angle theta of driver's human eye sight；Step 2, relative threshold increment TI is calculated；Step 3, the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is determined；Step 4, the installation laying of the tunnel caution lamp should meet: (1) tunnel caution lamp is incident on the light of driver's human eye and the angle theta of driver's human eye sight less than 15 °；(2) relative threshold increment TI is less than 15%；(3) the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is less than 13 times/second.The present invention can accurately evade the quick-fried glare for dodging generation of the red indigo plant of tunnel caution lamp, provide traffic safety to the driver and conductor of process of passing through tunnel.
Description
Technical field
The invention belongs to field of traffic safety, and in particular to a kind of tunnel caution lamp installation distribution method.
Background technique
When being abnormal event in tunnel, red indigo plant alarm lamp flashing warns driver's slow down, but open flashing light
Meanwhile easily causing irritation dazzle within sweep of the eye naturally in human eye, dazzle source can make human eye constitute stimulation, generate uncomfortable
Feeling, due to the influence of dazzle, driver can therefore can not clearly recognizable barrier and influence traffic safety.
Current red sudden strain of a muscle alarm lamp has functioned only as warning effect, does not account for flicker frequency and human eye glare is restored
The influence of the factors such as time easily leads to the generation of secondary traffic accident therefore, it is impossible to avoid continuously causing driver dizzy.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of tunnel caution lamp installation laying side
Method solves the problems, such as not accounting for the influence of the factors such as warning lamp flicker frequency and human eye glare time in the prior art.
A kind of tunnel caution lamp installation distribution method, comprising:
Tunnel caution lamp, which is calculated, by formula (1) is incident on the light of driver's human eye and the angle theta of driver's human eye sight:
θ=μ+δ (1)
In formula (1), μ is driver's human eye sight and horizontal angle, and δ is the light that tunnel caution lamp is incident on driver's human eye
The angle of line and horizontal line of sight, wherein δ=tan-1H/d, h are vertical range of the tunnel caution lamp to driver's human eye, and d is alert for tunnel
Show lamp to driver's human eye horizontal distance；
It is incident on the light of driver's human eye and the angle theta of driver's human eye sight according to tunnel caution lamp, calculates relative threshold
Increment TI；
Determine the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp；
The installation laying of the tunnel caution lamp should meet:
(1) tunnel caution lamp is incident on the light of driver's human eye and the angle theta of driver's human eye sight less than 15 °；
(2) relative threshold increment TI is less than 15%；
(3) the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is less than 13 times/second.
Further, relative threshold increment TI is calculated by formula (2) in the step 2:
In formula (2), LVFor equivalent veiling luminance, unit cd/m2；WhereinK is constant；For tunnel
I-th of warning lamp is relative to perpendicular to the vertical illumination in human eye plane in road；When θ < 2 °, m=2.3-0.7lg (θ)；When θ >=
2 °, m=2.
Further, the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is determined by formula (3) in the step 3:
Lg (T)=k1·lg(Eg)-k2·lg(Eb)-hλ(3)
In formula (3), T is the quick-fried sudden strain of a muscle flicker cycle of the red indigo plant of tunnel caution lamp, EgFor the glare light illumination value of tunnel caution lamp,
EbFor the bias light light illumination value of tunnel caution lamp, k1、k2、hλFor constant, in which: k1(Eb)=0.531lg (Eb+1.12)；gλFor the glare wavelength influence function of tunnel caution lamp.
Compared with prior art, the present invention having the following technical effect that
The present invention specifies flicker frequency according to human eye and warning lamp angle theta using calibration warning lamp mounting height, according to
The present invention installs warning lamp method, can effectively evade glare.
Detailed description of the invention
Fig. 1 is the relation schematic diagram of the brightness of tunnel caution lamp and mounting distance in the present invention.
Explanation is further explained in detail to particular content of the invention below in conjunction with attached drawing.
Specific embodiment
Warning lamp has done the processing of glare, method is single, departing from tunnel only from brightness in the tunnel of the prior art
The flicker frequency of application environment factor and warning lamp, glare causes security risk frequent occurrence in tunnel, and the present invention is using mark
Determine warning lamp mounting height, according to human eye and warning lamp angle theta, specify flicker frequency, warning lamp method is installed according to the present invention,
Glare can effectively be evaded.
Specific embodiments of the present invention are given below, it should be noted that the invention is not limited to implement in detail below
Example, all equivalent transformations made on the basis of the technical solutions of the present application each fall within protection scope of the present invention.
Embodiment:
Present embodiments provide a kind of tunnel caution lamp installation distribution method characterized by comprising
Step 1, tunnel caution lamp is calculated by formula (1) and is incident on the light of driver's human eye and the angle of driver's human eye sight
θ:
θ=μ+δ (1)
In formula (1), μ is driver's human eye sight and horizontal angle, and δ is the light that tunnel caution lamp is incident on driver's human eye
The angle of line and horizontal line of sight, wherein δ=tan-1H/d, h are vertical range of the tunnel caution lamp to driver's human eye, and d is alert for tunnel
Show lamp to driver's human eye horizontal distance；
Wherein, horizontal line refers to straight line and the straight line parallel with horizontal plane on horizontal plane；Horizontal line of sight is to determine to be drawn
The perspective gradient of object, when being higher than horizontal line of sight by picture object, perspective ray is to oblique, when being lower than horizontal line of sight by picture object, perspective ray to
It is upper oblique.
Since tunnel is a closed environment, it can shine and reflect to warning lamp, tunnel wall reflection light and warning lamp
Original shine is converged a bit, this point height converged can be present in the position on 1.5 meters of ground, this position by measurement
Just it is normally the position of driver's horizontal line of sight, dazzle easily is hanked to driver, by warning lamp and driver's human eye θ
The adjustment of angle allows light convergent point to avoid at the height on 1.5 meters of ground.
Step 2, it is incident on the light of driver's human eye and the angle theta of driver's human eye sight according to tunnel caution lamp, calculates phase
To threshold delta TI；
Step 3, the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is determined；
Step 4, the installation laying of the tunnel caution lamp should meet:
(1) tunnel caution lamp is incident on the light of driver's human eye and the angle theta of driver's human eye sight less than 15 °；
(2) relative threshold increment TI is less than 15%；
(3) the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is less than 13 times/second.
Specifically, when tunnel background luminance range is in 0.05cd/m2<Lb<5cd/m2When range is, in the present embodiment step 2
Relative threshold increment TI is calculated by formula (2):
In formula (2), LAVFor road surface average brightness, unit cd/m2, LVFor equivalent veiling luminance, unit cd/m2；WhereinK is constant；It is i-th of warning lamp in tunnel relative to perpendicular to the vertical illumination in human eye plane；
When θ < 2 °, m=2.3-0.7lg (θ)；When θ >=2 °, m=2.
Wherein, the unit of relative threshold increment TI is %.
Specifically, the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is determined by formula (3) in the present embodiment step 3:
Lg (T)=k1·lg(Eg)-k2·lg(Eb)-hλ (3)
In formula (3), T is the quick-fried sudden strain of a muscle flicker cycle of the red indigo plant of tunnel caution lamp, EgFor the glare light illumination value of tunnel caution lamp,
EbFor the bias light light illumination value of tunnel caution lamp, k1、k2、hλFor constant, in which: k1(Eb)=0.531lg (Eb+1.12)；gλFor the glare wavelength influence function of tunnel caution lamp.
Tunnel in the present embodiment is two lanes, wide 10m, vault high 7m, length of tunnel 500m.By to 10 vehicles into
Row grouping, every one group of 5 vehicles, the stone of one piece of 10*10*5cm of the place 100m placement in front of the tunnel caution lamp；The present embodiment first
The secondary angle theta for setting its light for being incident on driver's human eye and driver's human eye sight for tunnel caution lamp is greater than 16 °, and vehicle is pressed
Tunnel is passed sequentially through according to the speed of 60km/m；Its light for being incident on driver's human eye and department are set by tunnel caution lamp for the second time
For the angle theta of machine human eye sight less than 10 °, vehicle passes sequentially through tunnel also according to the speed of 60km/m；To 10 drivers into
Row investigation statistics, when passing through tunnel for the first time, that tunnel caution lamp front stone barrier is seen in 10 vehicle drivers only has 2
The driver of vehicle, and when passing through tunnel for the second time, that stone barrier in front of tunnel caution lamp is seen in 10 vehicle drivers has 7 vehicles
Driver.
Claims (2)
1. a kind of tunnel caution lamp installs distribution method characterized by comprising
Tunnel caution lamp, which is calculated, by formula (1) is incident on the light of driver's human eye and the angle theta of driver's human eye sight:
θ=μ+δ (1)
In formula (1), μ is driver's human eye sight and horizontal angle, δ be tunnel caution lamp be incident on the light of driver's human eye with
The angle of horizontal line of sight, wherein δ=tan-1H/d, h are vertical range of the tunnel caution lamp to driver's human eye, and d is tunnel caution lamp
To the horizontal distance of driver's human eye；
It is incident on the light of driver's human eye and the angle theta of driver's human eye sight according to tunnel caution lamp, calculates relative threshold increment
TI；
Determine the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp；
The quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is determined by formula (3):
Lg (T)=k1·lg(Eg)-k2·lg(Eb)-hλ (3)
In formula (3), T is the quick-fried sudden strain of a muscle flicker cycle of the red indigo plant of tunnel caution lamp, EgFor the glare light illumination value of tunnel caution lamp, EbFor
The bias light light illumination value of tunnel caution lamp, k1、k2、hλFor constant, in which: k1(Eb)=0.531lg (Eb+1.12)；gλFor the glare wavelength influence function of tunnel caution lamp.
The installation laying of the tunnel caution lamp should meet:
(1) tunnel caution lamp is incident on the light of driver's human eye and the angle theta of driver's human eye sight less than 15 °；
(2) relative threshold increment TI is less than 15%；
(3) the quick-fried sudden strain of a muscle flicker frequency of the red indigo plant of tunnel caution lamp is less than 13 times/second；
2. tunnel caution lamp according to claim 1 installs distribution method, which is characterized in that pass through formula in the step 2
(2) relative threshold increment TI is calculated:
In formula (2), LVFor equivalent veiling luminance, unit cd/m2；WhereinK is constant；For in tunnel
I-th of warning lamp is relative to perpendicular to the vertical illumination in human eye plane；When θ < 2 °, m=2.3-0.7lg (θ)；When θ >=2 °, m
=2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810521252.7A CN108709167B (en) | 2018-05-28 | 2018-05-28 | A kind of tunnel caution lamp installation distribution method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521252.7A CN108709167B (en) | 2018-05-28 | 2018-05-28 | A kind of tunnel caution lamp installation distribution method |
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| CN108709167A CN108709167A (en) | 2018-10-26 |
| CN108709167B true CN108709167B (en) | 2019-03-22 |
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| CN201810521252.7A Active CN108709167B (en) | 2018-05-28 | 2018-05-28 | A kind of tunnel caution lamp installation distribution method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112991471B (en) * | 2021-03-02 | 2022-10-14 | 重庆交通大学 | Tunnel portal dimming method based on equivalent light curtain brightness |
Citations (3)
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|---|---|---|---|---|
| CN104484563A (en) * | 2014-12-11 | 2015-04-01 | 厦门元谷信息科技有限公司 | Method for carrying out dynamic evaluation on lighting glare of road by utilizing imaging brightness meter |
| CN107044606A (en) * | 2017-03-27 | 2017-08-15 | 北京工业大学 | A kind of low level lamp and its application in road lighting |
| CN206708816U (en) * | 2016-11-30 | 2017-12-05 | 山西省交通科学研究院 | A kind of tunnel low latitude illuminator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080043471A1 (en) * | 2006-08-21 | 2008-02-21 | Musgrove Bryan H | Motion activated night light with extended battery life |
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- 2018-05-28 CN CN201810521252.7A patent/CN108709167B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104484563A (en) * | 2014-12-11 | 2015-04-01 | 厦门元谷信息科技有限公司 | Method for carrying out dynamic evaluation on lighting glare of road by utilizing imaging brightness meter |
| CN206708816U (en) * | 2016-11-30 | 2017-12-05 | 山西省交通科学研究院 | A kind of tunnel low latitude illuminator |
| CN107044606A (en) * | 2017-03-27 | 2017-08-15 | 北京工业大学 | A kind of low level lamp and its application in road lighting |
Non-Patent Citations (3)
| Title |
|---|
| 公路隧道照明对驾驶员视觉眩光影响分析与仿真研究;金绍晨;《长安大学专业硕士学位论文》;20140420;全文 |
| 城市立交桥道路高杆照明阈值增量限值评价研究;吴亚楠;《天津大学硕士学位论文》;20131201;全文 |
| 基于驾驶人视觉特性的交通安全设施设计研究;林贵宝;《长安大学博士学位论文》;20151011;全文 |
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