CN109667233A - A kind of reflective zebra crossing and design method - Google Patents
A kind of reflective zebra crossing and design method Download PDFInfo
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- CN109667233A CN109667233A CN201710967527.5A CN201710967527A CN109667233A CN 109667233 A CN109667233 A CN 109667233A CN 201710967527 A CN201710967527 A CN 201710967527A CN 109667233 A CN109667233 A CN 109667233A
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- zebra crossing
- light guide
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- 241000283070 Equus zebra Species 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000000835 fiber Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 16
- 239000011257 shell material Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 7
- 229920000535 Tan II Polymers 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/506—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users characterised by the road surface marking material, e.g. comprising additives for improving friction or reflectivity; Methods of forming, installing or applying markings in, on or to road surfaces
- E01F9/524—Reflecting elements specially adapted for incorporation in or application to road surface markings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/50—Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
- E01F9/576—Traffic lines
- E01F9/578—Traffic lines consisting of preformed elements, e.g. tapes, block-type elements specially designed or arranged to make up a traffic line
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The present invention relates to the zebra crossings of field of traffic, more particularly to a kind of reflective zebra crossing and design method.It is characterized in that: zebra crossing or its auxiliary line are rearranged by reflecting unit; the reflecting unit includes at least protective shell, reflecting component, entrance window, exit window; external light is radiated on reflecting component by entrance window, and the reflecting component is reflected away light by the direction of setting by exit window.Beneficial effect is: providing a kind of reflective zebra crossing, at night, using the reflective of lights of vehicle, pedestrian can judge whether there is vehicle easily to be passed through, and so that pedestrian is obtained vigilance in advance, to guarantee safety of the pedestrian by car lane.
Description
Technical field
The present invention relates to the zebra crossings of field of traffic, more particularly to a kind of reflective zebra crossing and design side
Method.
Background technique
The zebra crossing being arranged on existing car lane is white dashes, while providing mark for motor vehicle and pedestrian
Know, being not easy to judge whether there is vehicle in night pedestrian will pass through.
Summary of the invention
The object of the present invention is to provide a kind of reflective zebra crossings, at night, utilize the reflective of lights of vehicle, pedestrian
Vehicle can be judged whether there is easily to be passed through, and so that pedestrian is obtained vigilance in advance, to guarantee that pedestrian passes through car lane
Safety.
Explanation of nouns:
Reflecting component: the component that radiation direction can be made to change, such as reflective mirror, prism, light guide.
Light guide: using the close total reflection dredged to light of transparency material light, propagating light along the axis of light guide, can
To change optical path direction by the axis for changing light guide trend, such as optical rod, optical fiber, fibre-optic bundle.
The technical solution adopted by the present invention is that:
A kind of reflective zebra crossing, it is characterized in that: zebra crossing or its auxiliary line are rearranged by reflecting unit, the reflective list
Member includes at least protective shell, reflecting component, entrance window, exit window, and external light is radiated on reflecting component by entrance window, described anti-
Light part is reflected away light by the direction of setting by exit window, and the direction of setting is zebra crossing pedestrian direction.
Entrance window face incidence light direction (i.e. road direction), entrance window are arranged in protective shell side, adjacent side
Exit window, exit window face pedestrian (zebra crossing pedestrian direction), i.e. throwing of the normal of entrance window plane in horizontal plane are set
Shadow and the normal of exit window plane are mutually perpendicular in the projection of horizontal plane.
A kind of reflective zebra crossing, it is characterized in that: the reflecting component is reflective mirror.
Further, the reflective mirror is plane mirror.
A kind of reflective zebra crossing, it is characterized in that: projection of the normal of the reflective mirror plane in horizontal plane
Angle with road direction is α, and the angle between reflective mirror plane and horizontal plane is β, is met: 30 degree≤α≤60 degree, 90 degree≤
β≤112.5 degree.
Further, α=45 degree.
Further, 90 degree≤β≤93 degree.
A kind of reflective zebra crossing, it is characterized in that: zebra crossing is made of the road n, per pass zebra crossing is by m
Reflecting unit composition, the angle reflecting unit α of per pass zebra crossing by 45 degree+- n*15 of benchmark degree/n calculating, per pass zebra crossing it is anti-
The angle light unit β is calculated by 90 degree of+n*22.5 degree of benchmark/n, can guarantee the covering of reflection angle in this way.
Or, the angle α is calculated by 45 degree+- m*15 of benchmark degree/m, the angle β is calculated by 90 degree of+m*22.5 degree of benchmark/m.
A kind of reflective zebra crossing, it is characterized in that: the reflective mirror is convex mirror.
A kind of reflective zebra crossing, it is characterized in that: the reflecting component is light guide.
A kind of reflective zebra crossing, it is characterized in that: the entrance port axis and exit portal axis of the light guide
Vertically, i.e., the optical path of incident ray is changed 90 degree of outgoing by the described light guide.
A kind of reflective zebra crossing, it is characterized in that: the entrance port axis and road direction of the light guide are flat
Row, the exit portal axis of light guide are γ in the projection of horizontal plane and the angle of road direction, the exit portal axis of light guide and
The angle of horizontal plane is δ, is met: 63 degree≤γ≤117 degree, 0 degree≤δ≤45 degree.
Further, γ=90 degree.
Further, 0 degree≤δ≤6 degree.
The light guide is optical fiber or fibre-optic bundle.
A kind of reflective zebra crossing, it is characterized in that: the exit window is diffuser screen.
A kind of design method of reflective zebra crossing, it is characterized in that: rearranging zebra crossing by reflecting unit or its is auxiliary
Index contour, the reflecting unit include at least protective shell, reflecting component, entrance window, exit window, and external light is radiated at by entrance window
On reflecting component, the reflecting component is reflected away light by the direction of setting by exit window.
The design method of a kind of reflective zebra crossing, it is characterized in that: reflecting component is plane mirror, the plane mirror
Normal in the projection of horizontal plane and the angle of road direction be α, the angle between reflective mirror plane and horizontal plane is β, meet:
30 degree≤α≤60 degree, 90 degree≤β≤112.5 degree.
Further, the design method of a kind of reflective zebra crossing, it is characterized in that: setting α=45 degree.
Further, the design method of a kind of reflective zebra crossing, it is characterized in that: 90 degree≤β≤93 degree.
A kind of design method of the reflective zebra crossing, it is characterized in that: zebra crossing is made of the road n, per pass
Zebra crossing is made of m reflecting unit, and the angle reflecting unit α of per pass zebra crossing is calculated by 45 degree+- n*15 of benchmark degree/n, per pass
The angle reflecting unit β of zebra crossing is calculated by 90 degree of+n*22.5 degree of benchmark/n, can guarantee the covering of reflection angle in this way.(△ β=
22.5 degree are the acquisition car light reflected light at zebra crossing minimum safe distance 1m).
Or, a kind of design method of reflective zebra crossing, it is characterized in that: 45 degree+- m*15 of benchmark is pressed at the angle α
Degree/m is calculated, and the angle β is calculated by 90 degree of+m*22.5 degree of benchmark/m.
The design method of a kind of reflective zebra crossing, it is characterized in that: the reflecting component is light guide.
A kind of design method of the reflective zebra crossing, it is characterized in that: the entrance port axis of the light guide and
Exit portal axis is vertical, i.e., the optical path of incident ray is changed 90 degree of outgoing by the described light guide.
A kind of design method of the reflective zebra crossing, it is characterized in that: the entrance port axis of the light guide and
Road direction is parallel, and the exit portal axis of light guide is γ in the projection of horizontal plane and the angle of road direction, and light guide goes out
The angle of loophole axis and horizontal plane is δ, is met: 63 degree≤γ≤117 degree, 0 degree≤δ≤45 degree.
Further, the design method of a kind of reflective zebra crossing, it is characterized in that: setting γ=90 degree.
Further, the design method of a kind of reflective zebra crossing, it is characterized in that: 0 degree≤δ≤6 degree.
The design method of any reflective zebra crossing, it is characterized in that: the light guide be optical fiber or
Fibre-optic bundle.
The design method of any reflective zebra crossing, it is characterized in that: the exit window is set as diffuser screen.
The beneficial effects of the present invention are: providing a kind of reflective zebra crossing utilizes the anti-of lights of vehicle at night
Light, pedestrian can judge whether there is vehicle easily to be passed through, and so that pedestrian is obtained vigilance in advance, to guarantee that pedestrian passes through machine
The safety in motor-car road.
Detailed description of the invention
Fig. 1 is reflecting unit structure chart of the present invention.
Fig. 2 is the reflective mirror angle of inclination beta schematic diagram of reflecting unit.
Fig. 3 is the reflective mirror angle of inclination beta range choosing principles figure of reflecting unit.
Fig. 4 is that the reflecting component of reflecting unit of the present invention is the embodiment of light guide.
Fig. 5 is the normal of the reflective mirror of reflecting unit between the projection of horizontal plane and direction of traffic (or road direction)
Angle α range choosing principles figure.
Fig. 6 is in Fig. 4 embodiment using the side view of the embodiment of optical fiber.
Fig. 7 is in Fig. 4 embodiment using the partial sectional view of the embodiment of optical fiber.
Fig. 8 is the form of cut or cuts of optical rod or optical fiber entrance port or exit portal.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is reflecting unit structure chart of the present invention, including protective shell 101, is provided with reflective mirror 102 in protective shell 101, is protected
Exit window 103, entrance window 104 are provided on protective case, it is assumed that the direction x is zebra crossing arragement direction (in face of the side of pedestrian
To), the direction y is vehicle traveling direction (road direction), and the normal of reflective mirror 102 is in horizontal plane (i.e. x, y determining plane)
Projection and the angle in the direction y are α, and lights of vehicle is in the y-direction by 104 directive reflective mirror 102 of entrance window, it then follows angle of reflection be equal into
The optical principle of firing angle can set the direction of reflected light by the angle α, can pass through lights of vehicle by the direction of setting in this way
Exit window 103 reflects away.In addition, the angle between emergent light and incident light occurs 2 △ α's when △ α variation occurs for the angle α
Variation.In fact, zebra crossing direction and road direction are vertical, so when α=45 degree between emergent light and incident light
Angle be 90 degree, lights of vehicle can just irradiate the direction pedestrian x, thus reflective mirror setting references angle be α=45 degree.
In view of vehicle is uncertain in the middle position of road, and pedestrian does not know in the position of zebra crossing yet, institute
To find out an angular range, reference Fig. 5 is projection and direction of traffic of the normal of the reflective mirror of reflecting unit in horizontal plane
Angle α range choosing principles figure between (or road direction), in Fig. 5,400 crossings rearranged for reflecting unit
Line, 501 be vehicle, and lights of vehicle 200 is the incident light of reflecting unit, and 300 be the emergent light of reflecting unit, it is assumed that crossing
Line width is 4m, and zebra crossing is 8m across link length, referring to 502 computation models, α=4/8=0.5 tan2 △, so 2 △ α=
27 degree, take 30 degree of acquisition α=15 degree △；Assume again that vehicle in from should be able to be found at zebra crossing 80m, road
Width is 8m, then referring to 503 computation models, α=8/80=0.1 tan2 △, so 2 α=6 degree △；It can be seen that △ α is to vehicle
Apart from insensitive, as long as finally showing that the range of α is 45 so meeting 502 computation models covers 503 computation models
+ -15 degree of degree, i.e. 30 degree≤α≤60 degree.
In Fig. 5,400 zebra crossings rearranged for reflecting unit, it is assumed that zebra crossing is by H1, H2, H3, H4, H5, H6
Zebra crossing composition, every zebra crossing is made of several reflecting units, while also group is embarked on journey, i.e. L1, L2, L3, L4, L5, L6, specifically
It is different that the angle α or β do not gone together or arranged can be considered when design, if zebra crossing is made of the road n, per pass zebra crossing is by m reflective lists
Member composition, the angle α benchmark are 45 degree, and the angle reflecting unit α of per pass zebra crossing is calculated by 45 degree+- n*15 of benchmark degree/n, in this way may be used
To guarantee the covering of reflection angle.The angle reflecting unit β of same per pass zebra crossing is calculated by 90 degree of+n*3 degree of benchmark/n, in this way may be used
To guarantee the covering of reflection angle.Or, the angle α is calculated by 45 degree+- m*15 of benchmark degree/m, the angle β is based on 90 degree of+m*3 degree/m of benchmark
It calculates.(β=3 degree △ are that car light reflected light is obtained at zebra crossing 10m).
In Fig. 5,500 be the auxiliary line of zebra crossing, usually to the warning line of vehicle, the auxiliary line of zebra crossing
It can also be rearranged by reflecting unit of the present invention.
Fig. 2 is the reflective mirror angle of inclination beta schematic diagram of reflecting unit, the folder between reflective mirror plane and horizontal plane (x, y plane)
Angle is β, it is assumed that car light is the directional light in the direction y, and in order to obtain the angle that reflected light β is necessary for suitable, β minimum angles are pedestrian
90 degree, be the reflective mirror angle of inclination beta range choosing principles figure of reflecting unit referring to Fig. 3, it is assumed that human eye height is 1m, horizontal apart from people's row
Obtain car light reflected light at diatom 10m, β=1/10=0.1 tan2 △, so 2 β=6 degree △, then β=3 degree △, so 90 degree≤β≤
93 degree.
If it is considered that minimum safe distance, it is assumed that people is 1m from zebra crossing recently, then β=1/1=1 tan2 △, so 2
β=45 degree △, then β=22.5 degree △, so 90 degree≤β≤112.5 degree.
Fig. 4 is that the reflecting component of reflecting unit of the present invention is the embodiment of light guide, uses light guide in Fig. 4 embodiment
401 substitution reflective mirrors, the references angle that light guide changes optical path is 90 degree, i.e. entrance port axis (direction y, the road of light guide
Direction) and exit portal axis (direction x) is vertically, projects after incident light is changed 90 degree by light guide from exit window, light guide
Entrance port axis it is parallel with road direction, it is contemplated that the angle of emergent light, the exit portal axis of light guide is in horizontal plane (x, y
Plane) projection and the angle γ of vehicle traveling direction (direction y, road direction) be 90 degree -27 degree≤γ≤90 degree+27 degree,
That is 63 degree≤γ≤117 degree, best angle γ=90 degree.The angle δ of the outlet axes and horizontal plane (x, y plane) of light guide is 0
Degree≤δ≤6 degree.
If it is considered that minimum safe distance, it is assumed that people is 1m from zebra crossing recently, then δ=1/1=1 tan, so δ=45
Degree, the range of angle δ are 0 degree≤δ≤45 degree.
In view of the minimum bending radius of light guide, while meeting 90 degree of optical path of change, bending radius must be big
In the minimum bending radius of light guide.
Light guide includes optical rod (i.e. thick optical fiber), optical fiber, fibre-optic bundle in Fig. 4 scheme, if used
Fibre-optic bundle is the side view that the embodiment of optical fiber is used in Fig. 4 embodiment with continued reference to Fig. 6 and Fig. 7, Fig. 6,
Fig. 7 is using the partial sectional view of the embodiment of optical fiber in Fig. 4 embodiment, and the protective shell of reflecting unit is mesa-shaped
Body, Fig. 6 are the lights of vehicle plane of incidence, and trapezoidal inclined-plane, light guide 401 is fibre-optic bundle, and fibre-optic bundle is close to entrance window
104, the entrance port of fibre-optic bundle and entrance window can be fused together to reduce light loss, Fig. 7 is outgoing window segment, is in
Trapezoidal inclined plane, light guide 401 are fibre-optic bundle, and fibre-optic bundle is close to exit window 103, can be light guide in order to reduce light loss
The exit portal and exit window of fibre bundle are fused together.
Certain protective shell can also use other shapes, such as hemispherical (or fraction of ball), by 90 degree of light guide of bending
Part is fixed in hemisphere, and the entrance port of light guide and exit portal are arranged on hemisphere face, and protective shell material hemispherical in this way is less,
Cost can be reduced.
Exit window can use astigmatism screen (being commonly called as frosted glass) in the present invention, as long as carrying out in this way, 90 degree reflective or 90 degree change
Darkening road, emergent light are scattered by astigmatism screen, can not thus consider emergent light angle problem.
Reflective mirror can be convex mirror in the present invention, can not consider emergent light angle problem using convex mirror, using flat
Face mirror effect is good compared with convex mirror reflecting effect is used.
Exit window of the present invention can use red window, play a warning role in this way.
Fig. 8 is the form of cut or cuts of optical rod or optical fiber entrance port or exit portal, as the case may be, optical rod or light
The entrance port of fiber or the form of cut or cuts of exit portal are led, 801 be optical rod or optical fiber, and 802 be its axis, form of cut or cuts a
: 90 degree of § <, b: §=90 degree, c: § 90 degree of >, the form of cut or cuts of entrance port or exit portal can be carried out by tri- kinds of forms of a, b, c
Combination.§ is the angle (horizontal plane) of exit portal or entrance port axis and ground.
The preferable embodiment of the present invention:
One, zebra crossing or its auxiliary line are rearranged by reflecting unit, and it is reflective that the reflecting unit includes at least protective shell, plane
Mirror, entrance window, exit window, external light are radiated on plane mirror by entrance window, and the plane mirror presses light
The direction of setting is reflected away by exit window, and the normal of reflective mirror plane is in the projection of horizontal plane and the angle of road direction
α, the angle between reflective mirror plane and horizontal plane are β, are met: α=45 degree, 90 degree≤β≤93 degree.Further, exit window is scattered
Penetrate screen.
Two, zebra crossing or its auxiliary line are rearranged by reflecting unit, and the reflecting unit includes at least protective shell, convex surface
Reflective mirror, entrance window, exit window, external light are radiated on the reflective mirror of convex surface by entrance window, and the convex surface reflective mirror is by light
Line is reflected away by exit window.
Three, zebra crossing or its auxiliary line are rearranged by reflecting unit, and the reflecting unit includes at least protective shell, light guide
Part, entrance window, exit window, external light are radiated at light guide entrance port, the entrance port axis of the light guide by entrance window
Vertical with exit portal axis, i.e., the optical path of incident ray is changed 90 degree and is projected by exit window by the described light guide.Further, it is emitted
Window is diffuser screen.In view of the minimum bending radius of light guide, while meeting 90 degree of optical path of change, bending radius is necessary
Greater than the minimum bending radius of light guide.The light guide is optical rod or optical fiber or fibre-optic bundle.
Above-mentioned angle assumes that pedestrian and vehicle are in same level, if special circumstances, such as pedestrian or vehicle and people
Row zebra crossing has certain angle, which should participate in calculating.
Above structure only takes into account the reflective of a direction, is suitable for one way road, if it is all-purpose road it is contemplated that
Both direction reflective reflective mirror or light guide are set in reflecting unit to meet the reflection of both direction lights of vehicle.
All within the spirits and principles of the present invention, any modification for making, (such as reflecting prism also belongs to anti-equivalent replacement
Light microscopic), improve etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of reflective zebra crossing, it is characterized in that: zebra crossing or its auxiliary line are rearranged by reflecting unit, it is described reflective
Unit includes at least protective shell, reflecting component, entrance window, exit window, and external light is radiated on reflecting component by entrance window, described
Reflecting component is reflected away light by the direction of setting by exit window.
2. a kind of reflective zebra crossing according to claim 1, it is characterized in that: the reflecting component is reflective mirror.
3. a kind of reflective zebra crossing according to claim 2, it is characterized in that: the normal of the reflective mirror plane is in water
The projection of plane and the angle of road direction are α, and the angle between reflective mirror plane and horizontal plane is β, are met: 30 degree≤α≤
60 degree, 90 degree≤β≤112.5 degree.
4. a kind of reflective zebra crossing according to claim 3, it is characterized in that: α=45 degree.
5. a kind of reflective zebra crossing according to claim 1, it is characterized in that: the reflecting component is light guide.
6. a kind of reflective zebra crossing according to claim 5, it is characterized in that: the entrance port axis of the light guide and
Exit portal axis is vertical, i.e., the optical path of incident ray is changed 90 degree of outgoing by the described light guide.
7. a kind of reflective zebra crossing according to claim 5, it is characterized in that: the entrance port axis of the light guide and
Road direction is parallel, and the exit portal axis of light guide is γ in the projection of horizontal plane and the angle of road direction, and light guide goes out
The angle of loophole axis and horizontal plane is δ, is met: 63 degree≤γ≤117 degree, 0 degree≤δ≤45 degree.
8. a kind of reflective zebra crossing according to claim 7, it is characterized in that: γ=90 degree.
9. a kind of reflective zebra crossing according to claim 5 or 6 or 7 or 8, it is characterized in that: the light guide is light
Lead fiber or fibre-optic bundle.
10. any reflective zebra crossing described according to claim 1 ~ 8, it is characterized in that: the exit window is diffuser screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967527.5A CN109667233A (en) | 2017-10-17 | 2017-10-17 | A kind of reflective zebra crossing and design method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967527.5A CN109667233A (en) | 2017-10-17 | 2017-10-17 | A kind of reflective zebra crossing and design method |
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| Publication Number | Publication Date |
|---|---|
| CN109667233A true CN109667233A (en) | 2019-04-23 |
Family
ID=66141434
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| CN201710967527.5A Pending CN109667233A (en) | 2017-10-17 | 2017-10-17 | A kind of reflective zebra crossing and design method |
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| CN105133519A (en) * | 2015-07-24 | 2015-12-09 | 武汉理工大学 | One-way path with deceleration mark line and construction method for same |
| CN206052586U (en) * | 2016-05-31 | 2017-03-29 | 方显峰 | A kind of road surface projection mark with self-luminous and reflection function |
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